Strain Gene Zyg FClass FTerms similarity score p-value rank description GOBP GOMF GOCC YAL065C_p YAL065C hom 1 0 1 Putative protein of unknown function; has homology to FLO1; possible pseudogene biological_process molecular_function cellular_component YOL053W AIM39 hom FT MITOCHONDRION 0.141436475809771 1.84243342454737e-16 2 Putative protein of unknown function; null mutant displays elevated frequency of mitochondrial genome loss biological_process molecular_function cellular_component YJL153C INO1 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM 0.138247127483947 9.27702496869804e-16 3 Inositol-3-phosphate synthase, involved in synthesis of inositol phosphates and inositol-containing phospholipids; transcription is coregulated with other phospholipid biosynthetic genes by Ino2p and Ino4p, which bind the UASINO DNA element inositol biosynthetic process inositol-3-phosphate synthase activity cytoplasm YKL175W ZRT3 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.107955766258916 3.61080029745268e-10 4 Vacuolar membrane zinc transporter, transports zinc from storage in the vacuole to the cytoplasm when needed; transcription is induced under conditions of zinc deficiency cellular zinc ion homeostasis|zinc ion transport zinc ion transmembrane transporter activity fungal-type vacuole membrane|integral to membrane YKL202W_d YKL202W hom 0.101058397257144 4.43061193963797e-09 5 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDR382W RPP2B hom FT TRANSLATION|RIBOSOME 0.0942297400766393 4.5268177999526e-08 6 Ribosomal protein P2 beta, a component of the ribosomal stalk, which is involved in the interaction between translational elongation factors and the ribosome; regulates the accumulation of P1 (Rpp1Ap and Rpp1Bp) in the cytoplasm translational elongation|cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YAL008W FUN14 hom FT MITOCHONDRION 0.0925534516248944 7.81936403309416e-08 7 Mitochondrial protein of unknown function biological_process molecular_function mitochondrial outer membrane|mitochondrion YOR178C GAC1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0885758826967544 2.78888761656002e-07 8 Regulatory subunit for Glc7p type-1 protein phosphatase (PP1), tethers Glc7p to Gsy2p glycogen synthase, binds Hsf1p heat shock transcription factor, required for induction of some HSF-regulated genes under heat shock meiosis|glycogen metabolic process|negative regulation of transcription from RNA polymerase II promoter|response to heat|mitotic cell cycle spindle assembly checkpoint protein phosphatase type 1 regulator activity|structural molecule activity|heat shock protein binding protein phosphatase type 1 complex YMR117C SPC24 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0873797110422051 3.99804293980477e-07 9 Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); involved in chromosome segregation, spindle checkpoint activity and kinetochore clustering microtubule nucleation|chromosome segregation structural constituent of cytoskeleton Ndc80 complex|condensed nuclear chromosome kinetochore|condensed nuclear chromosome, centromeric region YDR505C PSP1 hom FT MITOCHONDRION 0.0868110183958949 4.88757864774173e-07 10 Asn and gln rich protein of unknown function; high-copy suppressor of POL1 (DNA polymerase alpha) and partial suppressor of CDC2 (polymerase delta) and CDC6 (pre-RC loading factor) mutations; overexpression results in growth inhibition; PSP1 has a paralog, YLR177W, that arose from the whole genome duplication biological_process molecular_function mitochondrion|cytoplasm YEL067C_p YEL067C hom FT MITOCHONDRION 0.0843024039302918 1.00523844654425e-06 11 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YDL126C CDC48 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|MITOCHONDRION|SITE OF POLARIZED GROWTH|UBIQUITI 0.0819109878574278 2.03430994305577e-06 12 AAA ATPase involved in multiple processes; subunit of polyubiquitin-selective segregase complex involved in ERAD, cell wall integrity during heat stress, mitotic spindle disassembly; subunit of complex involved in mitochondria-associated degradation; role in mobilizing membrane bound transcription factors by regulated ubiquitin/proteasome-dependent processing; roles in macroautophagy, PMN, RAD, ribophagy, and homotypic ER membrane fusion; functional ortholog of human p97/VCP proteasomal ubiquitin-dependent protein catabolic process|mitotic spindle disassembly|ER-associated protein catabolic process|mitochondria-associated protein catabolic process|macroautophagy|sister chromatid biorientation|ER-associated misfolded protein catabolic process|nucleus-associated proteasomal ubiquitin-dependent protein catabolic process|retrograde protein transport, ER to cytosol|piecemeal microautophagy of nucleus|endoplasmic reticulum membrane fusion|ribophagy|Unknown|cytoplasm-associated proteasomal ubiquitin-dependent protein catabolic process ubiquitin binding|ATPase activity mitochondrion|Cdc48p-Npl4p-Ufd1p AAA ATPase complex|Cdc48p-Npl4p-Vms1p AAA ATPase complex|cytosol|Doa10p ubiquitin ligase complex|nucleus|endoplasmic reticulum membrane|mating projection tip YIL001W_p YIL001W hom 0.0817346822765173 2.12517470897966e-06 13 Putative protein of unknown function; contains a BTB/POZ domain which generally function in protein interactions; deletion slightly improved competitive fitness in rich media; GFP-tagged protein is localized to the cytoplasm biological_process molecular_function cytoplasm YNR028W CPR8 hom 0.0800394679598051 3.44238652498008e-06 14 Peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; similarity to Cpr4p suggests a potential role in the secretory pathway biological_process peptidyl-prolyl cis-trans isomerase activity fungal-type vacuole YFL041W FET5 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0770155303588024 8.02332081525037e-06 15 Multicopper oxidase, integral membrane protein with similarity to Fet3p; may have a role in iron transport iron ion transport ferroxidase activity fungal-type vacuole membrane|integral to membrane YOL038C-A_p YOL038C-A hom 0.0769469368354015 8.09828271317278e-06 16 Putative protein of unknown function; identified by SAGE analysis biological_process molecular_function cellular_component YNL200C YNL200C hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0768361733948529 8.34539206776813e-06 17 NADHX epimerase; catalyzes isomerization of (R)- and (S)-NADHX; homologous to AIBP in mammals and the N- terminal domain of YjeF in E.coli; enzyme is widespread in eukaryotes, prokaryotes and archaea; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies nicotinamide nucleotide metabolic process NADHX epimerase activity mitochondrion|cytoplasm YKL170W MRPL38 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.076216753539283 9.86563532327504e-06 18 Mitochondrial ribosomal protein of the large subunit; appears as two protein spots (YmL34 and YmL38) on two-dimensional SDS gels; protein abundance increases in response to DNA replication stress mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YER021W RPN3 het FT PROTEOLYSIS 0.0757609800836937 1.11494473547894e-05 19 Essential, non-ATPase regulatory subunit of the 26S proteasome lid, similar to the p58 subunit of the human 26S proteasome; temperature-sensitive alleles cause metaphase arrest, suggesting a role for the proteasome in cell cycle control ubiquitin-dependent protein catabolic process molecular_function proteasome regulatory particle, lid subcomplex YCR016W_p YCR016W hom FT NUCLEUS 0.0751864655107364 1.29957636095964e-05 20 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nucleolus and nucleus; predicted to be involved in ribosome biogenesis biological_process molecular_function nucleolus|nucleus YPL266W DIM1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0717843881107714 3.14972348978103e-05 21 Essential 18S rRNA dimethylase (dimethyladenosine transferase), responsible for conserved m6(2)Am6(2)A dimethylation in 3'-terminal loop of 18S rRNA, part of 90S and 40S pre-particles in nucleolus, involved in pre-ribosomal RNA processing rRNA modification|rRNA processing rRNA (adenine-N6,N6-)-dimethyltransferase activity nucleolus|90S preribosome YIL090W ICE2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0715317129278933 3.35871332574979e-05 22 Integral ER membrane protein with type-III transmembrane domains; required for maintenance of ER zinc homeostasis; necessary for efficient targeting of Trm1p tRNA methyltransferase to inner nuclear membrane; mutations cause defects in cortical ER morphology in both the mother and daughter cells endoplasmic reticulum inheritance molecular_function integral to endoplasmic reticulum membrane|integral to membrane|endoplasmic reticulum YJR113C RSM7 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0715307725975051 3.42362325776067e-05 23 Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S7 ribosomal protein mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YJL126W NIT2 hom 0.071090183174324 3.75586565496853e-05 24 Nit protein, one of two proteins in S. cerevisiae with similarity to the Nit domain of NitFhit from fly and worm and to the mouse and human Nit protein which interacts with the Fhit tumor suppressor; nitrilase superfamily member biological_process hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds cellular_component YIL113W SDP1 hom FT SIGNALING|CELL WALL ORG/BIOGENESIS|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0703638562782203 4.50770175999596e-05 25 Stress-inducible dual-specificity MAP kinase phosphatase, negatively regulates Slt2p MAP kinase by direct dephosphorylation, diffuse localization under normal conditions shifts to punctate localization after heat shock inactivation of MAPK activity involved in cell wall biogenesis|MAPK cascade involved in cell wall biogenesis MAP kinase tyrosine phosphatase activity nucleus|cytoplasm YJR035W RAD26 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0698037375233643 5.18271637351053e-05 26 Protein involved in transcription-coupled nucleotide excision repair of UV-induced DNA lesions; recruitment to DNA lesions is dependent on an elongating RNA polymerase II; homolog of human CSB protein transcription-coupled nucleotide-excision repair|nucleotide-excision repair DNA-dependent ATPase activity nucleus|cytoplasm YKL134C OCT1 hom FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.069366990765911 5.77436464257655e-05 27 Mitochondrial intermediate peptidase, cleaves destabilizing N-terminal residues of a subset of proteins upon import, after their cleavage by mitochondrial processing peptidase (Mas1p-Mas2p); may contribute to mitochondrial iron homeostasis cellular iron ion homeostasis|protein processing involved in protein targeting to mitochondrion metalloendopeptidase activity mitochondrion YBR017C KAP104 hom FT PROTEIN LOCALIZATION|CELL CYCLE|SITE OF POLARIZED GROWTH 0.0691613592770935 6.07455936202215e-05 28 Transportin or cytosolic karyopherin beta 2; functions in the rg-nuclear localization signal-mediated nuclear import/reimport of mRNA-binding proteins Nab2p and Hrp1p; regulates asymmetric protein synthesis in daughter cells during mitosis protein import into nucleus|cell cycle|mRNA-binding (hnRNP) protein import into nucleus|transcription factor import into nucleus nuclear localization sequence binding cytosol|integral to membrane|cellular bud neck|cellular bud tip YFL011W HXT10 hom FT MITOCHONDRION|PLASMA MEMBRANE 0.068694754160825 6.811434866583e-05 29 Putative hexose transporter, expressed at low levels and expression is repressed by glucose hexose transport|transmembrane transport galactose transmembrane transporter activity|mannose transmembrane transporter activity|fructose transmembrane transporter activity|glucose transmembrane transporter activity mitochondrion|integral to membrane|plasma membrane YPL210C SRP72 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0677354453960931 8.60011201449563e-05 30 Core component of the signal recognition particle (SRP) ribonucleoprotein (RNP) complex that functions in targeting nascent secretory proteins to the endoplasmic reticulum (ER) membrane SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition|protein targeting to ER signal sequence binding signal recognition particle, endoplasmic reticulum targeting YDL202W MRPL11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0668816747529706 0.000105569877380045 31 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YIL050W PCL7 hom FT CELL CYCLE|OXIDATION-REDUCTION PROCESS|CELL DIVISION|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.066103192520538 0.000127008208445292 32 Pho85p cyclin of the Pho80p subfamily, forms a functional kinase complex with Pho85p which phosphorylates Mmr1p and is regulated by Pho81p; involved in glycogen metabolism, expression is cell-cycle regulated regulation of glycogen catabolic process|regulation of cyclin-dependent protein kinase activity|regulation of protein stability|regulation of glycogen biosynthetic process cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex|nucleus YOL083W ATG34 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS 0.0657429793541344 0.000139216758039945 33 Receptor protein involved in selective autophagy during starvation; specifically involved in the transport of cargo protein alpha-mannosidase (Ams1p); Atg19p paralog protein complex assembly|protein complex localization protein binding, bridging CVT complex YJL031C BET4 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN PRENYLATION 0.0655812807305097 0.000146934650185707 34 Alpha subunit of Type II geranylgeranyltransferase required for vesicular transport between the endoplasmic reticulum and the Golgi; provides a membrane attachment moiety to Rab-like proteins Ypt1p and Sec4p protein targeting to membrane|protein geranylgeranylation|ER to Golgi vesicle-mediated transport Rab geranylgeranyltransferase activity Rab-protein geranylgeranyltransferase complex YDL197C ASF2 hom FT GENE SILENCING|NUCLEUS|CHROMOSOME 0.0652264793214993 0.000156040354769031 35 Anti-silencing protein that causes derepression of silent loci when overexpressed chromatin silencing at silent mating-type cassette molecular_function nuclear chromosome, telomeric region|nucleus YDL177C_p YDL177C hom 0.0650867845442584 0.000161206724787134 36 Putative protein of unknown function; similar to the mouse IMPACT gene; YDL177C is not an essential gene biological_process molecular_function cellular_component YEL068C_p YEL068C hom 0.0647181340907046 0.000175623804996108 37 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YMR197C VTI1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0646780764621943 0.000177261370641458 38 Protein involved in cis-Golgi membrane traffic; v-SNARE that interacts with two t-SNARES, Sed5p and Pep12p; required for multiple vacuolar sorting pathways Golgi to vacuole transport|vacuole fusion, non-autophagic|intra-Golgi vesicle-mediated transport|vesicle fusion SNAP receptor activity SNARE complex|integral to Golgi membrane YCL043C PDI1 het FT ENDOPLASMIC RETICULUM 0.0646308893152009 0.000179208801832268 39 Protein disulfide isomerase; multifunctional protein of ER lumen, essential for formation of disulfide bonds in secretory and cell-surface proteins, unscrambles non-native disulfide bonds; key regulator of Ero1p; forms complex with Mnl1p that has exomannosidase activity, processing unfolded protein-bound Man8GlcNAc2 oligosaccharides to Man7GlcNAc2, promoting degradation in unfolded protein response; PDI1 has a paralog, EUG1, that arose from the whole genome duplication protein folding protein disulfide oxidoreductase activity|protein disulfide isomerase activity endoplasmic reticulum lumen YDR056C_p YDR056C hom FT ENDOPLASMIC RETICULUM 0.0637952897936958 0.000217206489621481 40 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; YDR056C is not an essential protein biological_process molecular_function endoplasmic reticulum YLR054C OSW2 hom FT CELL WALL ORG/BIOGENESIS 0.0630368156439505 0.000258675292710184 41 Protein of unknown function proposed to be involved in the assembly of the spore wall ascospore wall assembly molecular_function integral to membrane|prospore membrane|cytoplasm YNR072W HXT17 hom FT PLASMA MEMBRANE 0.0629466719604272 0.000266812412113546 42 Hexose transporter, up-regulated in media containing raffinose and galactose at pH 7.7 versus pH 4.7, repressed by high levels of glucose hexose transport mannose transmembrane transporter activity|glucose transmembrane transporter activity|fructose transmembrane transporter activity integral to membrane|plasma membrane YNL160W YGP1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|CELL WALL ORG/BIOGENESIS 0.062866696754726 0.000268247353684834 43 Cell wall-related secretory glycoprotein; induced by nutrient deprivation-associated growth arrest and upon entry into stationary phase; may be involved in adaptation prior to stationary phase entry; has similarity to Sps100p cell wall assembly molecular_function extracellular region YGR147C NAT2 het FT MITOCHONDRION 0.0626692738588719 0.000280458186557311 44 Protein with an apparent role in acetylation of N-terminal methionine residues N-terminal peptidyl-methionine acetylation molecular_function mitochondrion YLR248W RCK2 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|RESPONSE TO OXIDATIVE STRESS 0.0625360499074509 0.000288990370058527 45 Protein kinase involved in response to oxidative and osmotic stress; identified as suppressor of S. pombe cell cycle checkpoint mutations; similar to CaM (calmodulin) kinases; RCK2 has a paralog, RCK1, that arose from the whole genome duplication cellular response to oxidative stress|protein phosphorylation|osmosensory signaling pathway|regulation of meiosis protein serine/threonine kinase activity|protein kinase activity cytoplasm YDL157C_p YDL157C hom FT MITOCHONDRION 0.0615689273203205 0.000358611389481646 46 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YOR191W ULS1 hom FT CHROMATIN ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0614258774417805 0.000370150980628967 47 Protein involved in proteolytic control of sumoylated substrates; contains RING finger domain; interacts with SUMO (Smt3p); member of the SWI/SNF family of DNA-dependent ATPases; plays a role in antagonizing silencing during mating-type switching; relocalizes from nucleus to cytoplasm upon DNA replication stress chromatin assembly or disassembly|mating type switching SUMO binding|DNA-dependent ATPase activity mitochondrion|nucleolus|nucleus YHR008C SOD2 hom FF|FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0611718521154493 0.000393076171181083 48 Mitochondrial manganese superoxide dismutase, protects cells against oxygen toxicity; phosphorylated reactive oxygen species metabolic process|age-dependent response to oxidative stress involved in chronological cell aging|replicative cell aging|age-dependent response to reactive oxygen species involved in chronological cell aging superoxide dismutase activity mitochondrion|mitochondrial matrix YLR041W_d YLR041W hom 0.0607369528657333 0.000430747665171154 49 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YLR040C Unknown Unknown Unknown YBR055C PRP6 het FT RNA PROCESSING|NUCLEUS 0.0605131814724523 0.000460416676895375 50 Splicing factor, component of the U4/U6-U5 snRNP complex mRNA splicing, via spliceosome molecular_function U4/U6 x U5 tri-snRNP complex YER087W AIM10 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.060307826578597 0.000473045687199743 51 Protein with similarity to tRNA synthetases; non-tagged protein is detected in purified mitochondria; null mutant is viable and displays elevated frequency of mitochondrial genome loss biological_process proline-tRNA ligase activity mitochondrion YIL137C TMA108 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|PROTEOLYSIS 0.0600150598171187 0.000508993469350914 52 Protein that associates with ribosomes and is involved in ribosome biogenesis; putative metalloprotease ribosome biogenesis molecular_function ribosome|cytoplasm YLR244C MAP1 hom FT PROTEOLYSIS|RIBOSOME 0.0599858016627526 0.000524250345433898 53 Methionine aminopeptidase, catalyzes the cotranslational removal of N-terminal methionine from nascent polypeptides; function is partially redundant with that of Map2p negative regulation of gene expression|protein initiator methionine removal involved in protein maturation metalloaminopeptidase activity|mRNA binding cytosolic ribosome YKL131W_d YKL131W hom 0.0592356010025195 0.00059625167657578 54 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL094C_d YDL094C hom 0.0584319221789653 0.000707510754716126 55 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verfied gene PMT5/YDL093W; YDL094C is not essential Unknown Unknown Unknown YGR100W MDR1 hom FT PROTEIN LOCALIZATION|SIGNALING|NUCLEOTIDE METABOLISM 0.0584251447732039 0.000708526079556918 56 Cytoplasmic GTPase-activating protein for Ypt/Rab transport GTPases Ypt6p, Ypt31p and Sec4p; involved in recycling of internalized proteins and regulation of Golgi secretory function intracellular protein transport Rab GTPase activator activity cytoplasm YJL218W_p YJL218W hom 0.0583862078871378 0.000714385492790837 57 Putative acetyltransferase; similar to bacterial galactoside O-acetyltransferases; induced by oleate in an OAF1/PIP2-dependent manner; promoter contains an oleate response element consensus sequence; non-essential gene biological_process acetyltransferase activity cellular_component YDR047W HEM12 het FF|FT COFACTOR METABOLISM|NUCLEUS 0.0582969270540966 0.000727991217988887 58 Uroporphyrinogen decarboxylase, catalyzes the fifth step in the heme biosynthetic pathway; localizes to both the cytoplasm and nucleus; a hem12 mutant has phenotypes similar to patients with porphyria cutanea tarda heme biosynthetic process uroporphyrinogen decarboxylase activity nucleus|cytoplasm YIL147C SLN1 het FT SIGNALING|PROTEIN PHOSPHORYLATION|PLASMA MEMBRANE 0.0582225981411196 0.000740854556615879 59 Histidine kinase osmosensor that regulates a MAP kinase cascade; transmembrane protein with an intracellular kinase domain that signals to Ypd1p and Ssk1p, thereby forming a phosphorelay system similar to bacterial two-component regulators negative regulation of protein kinase activity|protein autophosphorylation|peptidyl-histidine phosphorylation|osmosensory signaling pathway via two-component system osmosensor activity|protein histidine kinase activity|histidine phosphotransfer kinase activity plasma membrane|integral to plasma membrane YNR054C ESF2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0578648531389952 0.000797301737520304 60 Essential nucleolar protein involved in pre-18S rRNA processing; binds to RNA and stimulates ATPase activity of Dbp8; involved in assembly of the small subunit (SSU) processome endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|small-subunit processome assembly|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) ATPase activator activity|RNA binding nucleolus|90S preribosome|cytoplasm YGL086W MAD1 hom FT CELL CYCLE|CELL DIVISION|ENDOMEMBRANE SYSTEM|NUCLEUS|CHROMOSOME|NUCLEAR PORE|KINETOCHORE 0.055985478161489 0.00117602908716215 61 Coiled-coil protein involved in the spindle-assembly checkpoint; required for inhibition of karyopherin/importin Pse1p (aka Kap121p) upon spindle assembly checkpoint arrest; phosphorylated by Mps1p upon checkpoint activation which leads to inhibition of the activity of the anaphase promoting complex; forms a complex with Mad2p nucleocytoplasmic transport|mitotic cell cycle spindle assembly checkpoint|mitotic cell cycle G2/M transition decatenation checkpoint molecular_function nucleus|nuclear pore|kinetochore YNR003C RPC34 het FT NUCLEUS|MITOCHONDRION 0.0558213604688215 0.00121598130850968 62 RNA polymerase III subunit C34; interacts with TFIIIB70 and is a key determinant in pol III recruitment by the preinitiation complex tRNA transcription from RNA polymerase III promoter DNA-directed RNA polymerase activity mitochondrion|DNA-directed RNA polymerase III complex|nucleus|cytoplasm YDR098C GRX3 hom FT ION HOMEOSTASIS|CYTOSKELETON ORGANIZATION|ION HOMEOSTASIS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0555460018918444 0.00129664650093679 63 Hydroperoxide and superoxide-radical responsive glutathione-dependent oxidoreductase; monothiol glutaredoxin subfamily member along with Grx4p and Grx5p; protects cells from oxidative damage; evidence exists indicating that the translation start site is not Met1 as currently annotated, but rather Met36 cellular iron ion homeostasis|cellular response to oxidative stress|actin cytoskeleton organization disulfide oxidoreductase activity cytosol|nucleus YHR150W PEX28 hom FT PEROXISOME ORGANIZATION 0.0554081299203689 0.00132439604155334 64 Peroxisomal integral membrane peroxin, involved in the regulation of peroxisomal size, number and distribution; genetic interactions suggest that Pex28p and Pex29p act at steps upstream of those mediated by Pex30p, Pex31p, and Pex32p peroxisome organization molecular_function integral to membrane|peroxisomal membrane YLL060C GTT2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0554026315876097 0.00132366043889231 65 Glutathione S-transferase capable of homodimerization; functional overlap with Gtt2p, Grx1p, and Grx2p; protein abundance increases in response to DNA replication stress glutathione metabolic process glutathione transferase activity mitochondrion YPR135W CTF4 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.055261450288124 0.00136190450414916 66 Chromatin-associated protein, required for sister chromatid cohesion; interacts with DNA polymerase alpha (Pol1p) and may link DNA synthesis to sister chromatid cohesion DNA repair|replicative cell aging|double-strand break repair via break-induced replication|DNA replication initiation|DNA-dependent DNA replication|mitotic sister chromatid cohesion chromatin binding|DNA binding nuclear chromosome|replication fork protection complex|nuclear replication fork|nucleus YDR281C PHM6 hom 0.0550359510655886 0.00142510753208399 67 Protein of unknown function, expression is regulated by phosphate levels biological_process molecular_function fungal-type vacuole YDR296W MHR1 hom FT MITOCHONDRION ORGANIZATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.054892022987775 0.00146684930735419 68 Protein involved in homologous recombination in mitochondria; required for recombination-dependent mtDNA partitioning; involved in stimulation of mitochondrial DNA replication in response to oxidative stress cellular response to oxidative stress|positive regulation of mitochondrial DNA replication|regulation of transcription, DNA-dependent|mitochondrial genome maintenance|DNA recombination single-stranded DNA binding|recombinase activity|DNA binding mitochondrion|nucleus YKR027W BCH2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|MITOCHONDRION|GOLGI APPARATUS 0.0546573190648769 0.00153734006296243 69 Member of the ChAPs (Chs5p-Arf1p-binding proteins) family; part of the exomer complex with Chs5p to mediate export of specific cargo proteins, including Chs3p, from the Golgi to the plasma membrane; BCH2 has a paralog, CHS6, that arose from the whole genome duplication Golgi to plasma membrane transport|fungal-type cell wall chitin biosynthetic process molecular_function trans-Golgi network transport vesicle|mitochondrion|clathrin-coated vesicle|exomer complex YNL074C MLF3 hom 0.0544825665520181 0.00159183606086285 70 Serine-rich protein of unknown function, predicted to be palmitoylated; overproduction suppresses the growth inhibition caused by exposure to the immunosuppressant leflunomide response to drug molecular_function cytoplasm YDL226C GCS1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|SIGNALING|NUCLEOTIDE METABOLISM|CYTOSKELETON ORGANIZATION|MITOCHONDRION|GOLGI APPARATUS|CYTOSKELETON 0.0543626709543335 0.00163024727391524 71 ADP-ribosylation factor GTPase activating protein (ARF GAP), involved in ER-Golgi transport; shares functional similarity with Glo3p retrograde vesicle-mediated transport, Golgi to ER|Golgi to plasma membrane protein transport|actin filament reorganization involved in cell cycle|ER to Golgi vesicle-mediated transport actin binding|ARF GTPase activator activity|GTPase activator activity endosome|trans-Golgi network|endoplasmic reticulum-Golgi intermediate compartment|cytoskeleton YHR168W MTG2 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0542073076041947 0.00168398096652323 72 Putative GTPase, member of the Obg family; peripheral protein of the mitochondrial inner membrane that associates with the large ribosomal subunit; required for mitochondrial translation, possibly via a role in ribosome assembly cytoplasmic translation ribosome binding|GTPase activity mitochondrial inner membrane|extrinsic to membrane YKL024C URA6 het FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0541929116150611 0.0016860928811669 73 Uridylate kinase, catalyzes the seventh enzymatic step in the de novo biosynthesis of pyrimidines, converting uridine monophosphate (UMP) into uridine-5'-diphosphate (UDP) 'de novo' pyrimidine nucleobase biosynthetic process|nucleobase-containing compound metabolic process uridylate kinase activity|adenylate kinase activity nucleus|cytoplasm YDR356W SPC110 het FT CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.0533201911272826 0.00200508365640273 74 Inner plaque spindle pole body (SPB) component, ortholog of human kendrin; involved in connecting nuclear microtubules to SPB; interacts with Tub4p-complex and calmodulin; phosphorylated by Mps1p in cell cycle-dependent manner karyogamy involved in conjugation with cellular fusion|microtubule nucleation structural constituent of cytoskeleton central plaque of spindle pole body|inner plaque of spindle pole body YCR079W PTC6 hom FT RESPONSE TO NUTRIENT LEVELS|MITOCHONDRION 0.0533126307829671 0.00200493525175658 75 Mitochondrial type 2C protein phosphatase (PP2C) with similarity to mammalian PP1Ks; involved in mitophagy; null mutant is sensitive to rapamycin and has decreased phosphorylation of the Pda1 subunit of pyruvate dehydrogenase mitochondrion degradation|positive regulation of catalytic activity|macroautophagy|protein dephosphorylation protein serine/threonine phosphatase activity mitochondrion|mitochondrial matrix|mitochondrial intermembrane space YFR042W KEG1 het FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0532062178164115 0.00204701594522734 76 Integral membrane protein of the ER; physically interacts with Kre6p; has a role in the synthesis of beta-1,6-glucan in the cell wall; required for cell viability chromosome organization|(1->6)-beta-D-glucan biosynthetic process molecular_function integral to endoplasmic reticulum membrane|integral to membrane YJR130C STR2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0531927743760402 0.00207469685031277 77 Cystathionine gamma-synthase, converts cysteine into cystathionine sulfur compound metabolic process|transsulfuration cystathionine gamma-synthase activity nucleus|cytoplasm YLR344W RPL26A hom FT TRANSLATION|RIBOSOME 0.0531191375288392 0.00208205252684459 78 Ribosomal 60S subunit protein L26A; binds to 5.8S rRNA; homologous to mammalian ribosomal protein L26 and bacterial L24; RPL26A has a paralog, RPL26B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YER126C NSA2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.053048599368015 0.00211083556060119 79 Protein constituent of 66S pre-ribosomal particles, contributes to processing of the 27S pre-rRNA maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal large subunit biogenesis|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleus|preribosome, large subunit precursor YLR406C RPL31B hom FT TRANSLATION|RIBOSOME 0.0530325398084031 0.00212721683720805 80 Ribosomal 60S subunit protein L31B; associates with karyopherin Sxm1p; loss of both Rpl31p and Rpl39p confers lethality; homologous to mammalian ribosomal protein L31, no bacterial homolog; RPL31B has a paralog, RPL31A, that arose from the whole genome duplication cytoplasmic translation|regulation of translational fidelity structural constituent of ribosome cytosolic large ribosomal subunit YJR009C TDH2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.052997105070948 0.00213207759551516 81 Glyceraldehyde-3-phosphate dehydrogenase, isozyme 2; involved in glycolysis and gluconeogenesis; tetramer that catalyzes the reaction of glyceraldehyde-3-phosphate to 1,3 bis-phosphoglycerate; detected in the cytoplasm and cell wall; protein abundance increases in response to DNA replication stress; TDH2 has a paralog, TDH3, that arose from the whole genome duplication gluconeogenesis|reactive oxygen species metabolic process|glycolysis|apoptotic process glyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity mitochondrion|fungal-type cell wall|lipid particle|plasma membrane|cytoplasm YKL069W YKL069W hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.052983896212985 0.00214083728252185 82 Methionine-R-sulfoxide reductase; reduces the R enantiomer of free Met-SO, in contrast to Ycl033Cp which reduces Met-R-SO in a peptide linkage; has a role in protection against oxidative stress; relative distribution to the nucleus increases upon DNA replication stress cellular response to oxidative stress methionine-R-sulfoxide reductase activity nucleus|cytoplasm YJL098W SAP185 hom FT CELL CYCLE|RNA PROCESSING|MITOCHONDRION 0.0528636323252978 0.0021880520441476 83 Protein that forms a complex with the Sit4p protein phosphatase; required for Sit4p function; member of a family of similar proteins including Sap4p, Sap155p, and Sap190p; SAP185 has a paralog, SAP190, that arose from the whole genome duplication tRNA wobble uridine modification|G1/S transition of mitotic cell cycle protein serine/threonine phosphatase activity mitochondrion|cytoplasm YKR085C MRPL20 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0528343582092302 0.00220050737355355 84 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YER071C_p TDA2 hom FT SITE OF POLARIZED GROWTH 0.0527687568330826 0.00225938512482884 85 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern; null mutant is sensitive to expression of the top1-T722A allele biological_process molecular_function mating projection tip|cytoplasm YOR386W PHR1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.0526329064239087 0.00228799633546245 86 DNA photolyase involved in photoreactivation, repairs pyrimidine dimers in the presence of visible light; induced by DNA damage; regulated by transcriptional repressor Rph1p photoreactive repair mRNA binding|deoxyribodipyrimidine photo-lyase activity mitochondrion|nucleus YBR146W MRPS9 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0525785070193303 0.00231216168392413 87 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YIL093C RSM25 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0524603353054606 0.0023654630925888 88 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YHL037C_d YHL037C hom 0.0524208279682304 0.00238353219137951 89 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL084C ALY2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0523321276526516 0.00243548336956368 90 Alpha arrestin that controls nutrient-mediated intracellular sorting of permease Gap1p; interacts with AP-1 subunit Apl4p; phosphorylated by Npr1p and also by cyclin-CDK complex Pcl7p-Pho85p; promotes endocytosis of plasma membrane proteins; ALY2 has a paralog, ALY1, that arose from the whole genome duplication Unknown|regulation of intracellular transport|ubiquitin-dependent endocytosis protein binding, bridging|ubiquitin protein ligase binding late endosome|cytoplasm|early endosome YIL046W MET30 het FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0521929967156352 0.00249393565885729 91 F-box protein containing five copies of the WD40 motif, controls cell cycle function, sulfur metabolism, and methionine biosynthesis as part of the ubiquitin ligase complex; interacts with and regulates Met4p, localizes within the nucleus response to cadmium ion|SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|regulation of DNA-dependent DNA replication initiation|M phase of mitotic cell cycle|response to arsenic-containing substance|G1/S transition of mitotic cell cycle|protein polyubiquitination|regulation of transcription involved in G1 phase of mitotic cell cycle|protein ubiquitination ubiquitin binding nuclear SCF ubiquitin ligase complex|SCF ubiquitin ligase complex|nucleus YIL070C MAM33 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0520282116888466 0.00257008779260414 92 Acidic protein of the mitochondrial matrix involved in oxidative phosphorylation; related to the human complement receptor gC1q-R aerobic respiration molecular_function mitochondrion|mitochondrial matrix YDL061C RPS29B hom FT TRANSLATION|RIBOSOME 0.0517895165195097 0.002689934357762 93 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S29 and bacterial S14; RPS29B has a paralog, RPS29A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic small ribosomal subunit YHR041C SRB2 hom FT TRANSCRIPTION FROM RNA POL II|RIBOSOME BIOGENESIS|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|RNA POL II, HOLOENZYME 0.0516789751100434 0.00274714720820875 94 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; general transcription factor involved in telomere maintenance negative regulation of ribosomal protein gene transcription from RNA polymerase II promoter in response to chemical stimulus|RNA polymerase II transcriptional preinitiation complex assembly|negative regulation of ribosomal protein gene transcription from RNA polymerase II promoter in response to nutrient levels|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription coactivator activity involved in preinitiation complex assembly|core RNA polymerase II binding transcription factor activity|RNA polymerase II transcription factor recruiting transcription factor activity|TBP-class protein binding RNA polymerase II transcription factor activity involved in preinitiation complex assembly|protein domain specific binding core mediator complex YMR229C RRP5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0516630231414465 0.00275952854106449 95 RNA binding protein involved in synthesis of both 18S and 5.8S rRNAs; component of both the ribosomal small subunit (SSU) processosome and the 90S preribosome; has binding preference for single stranded tracts of U's; relocalizes from nucleolus to nucleus upon DNA replication stress endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in ITS1 upstream of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) poly(U) RNA binding small-subunit processome|nucleolus|90S preribosome YMR193W MRPL24 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.051571637823175 0.00280785405184737 96 Mitochondrial ribosomal protein of the large subunit; two mitochondrial ribosomal proteins, YmL14 and YmL24, have been assigned to the same gene mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YOR346W REV1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0515546728952033 0.00281280797040336 97 Deoxycytidyl transferase; involved in repair of abasic sites and adducted guanines in damaged DNA by translesion synthesis (TLS); forms a complex with the subunits of DNA polymerase zeta, Rev3p and Rev7p; relocalizes from nucleus to cytoplasm upon DNA replication stress error-prone translesion synthesis|error-free translesion synthesis deoxycytidyl transferase activity|DNA-directed DNA polymerase activity nuclear chromatin|mitochondrion|replication fork YPL219W PCL8 hom FT CELL CYCLE|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0513342430564069 0.00293277942221352 98 Cyclin, interacts with Pho85p cyclin-dependent kinase (Cdk) to phosphorylate and regulate glycogen synthase, also activates Pho85p for Glc8p phosphorylation negative regulation of glycogen biosynthetic process cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex YLR091W GEP5 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0511320760069515 0.0030468956761089 99 Protein of unknown function, required for mitochondrial genome maintenance; detected in highly purified mitochondria in high-throughput studies; null mutant has decreased levels of cardiolipin and phosphatidylethanolamine mitochondrial genome maintenance molecular_function mitochondrion YGR113W DAM1 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.050966338766892 0.00315693484279258 100 Essential subunit of the Dam1 complex (aka DASH complex), couples kinetochores to the force produced by MT depolymerization thereby aiding in chromosome segregation; Ipl1p target for regulating kinetochore-MT attachments mitotic spindle organization in nucleus|regulation of microtubule polymerization or depolymerization microtubule binding|structural constituent of cytoskeleton spindle midzone|DASH complex|condensed nuclear chromosome kinetochore|kinetochore microtubule|spindle YCR094W CDC50 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|GOLGI APPARATUS 0.0509310019832937 0.00318702070795902 101 Endosomal protein that interacts with phospholipid flippase Drs2p; interaction with Cdc50p is essential for Drs2p catalytic activity; mutations affect cell polarity and polarized growth; similar to Lem3p; CDC50 has a paralog, YNR048W, that arose from the whole genome duplication intracellular protein transport|phospholipid translocation|endocytosis|actin cortical patch localization phospholipid-translocating ATPase activity trans-Golgi network|late endosome membrane YDL086W_p YDL086W hom FT MITOCHONDRION 0.0508655616869955 0.00322178505207201 102 Putative carboxymethylenebutenolidase; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; YDL086W is not an essential gene biological_process carboxymethylenebutenolidase activity mitochondrion|cytoplasm YMR228W MTF1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0506488912022618 0.00333621614442781 103 Mitochondrial RNA polymerase specificity factor; has structural similarity to S-adenosylmethionine-dependent methyltransferases and functional similarity to bacterial sigma-factors; Mtf1p interacts with and stabilizes the Rpo41p-promoter complex, enhancing DNA bending and melting to facilitate pre-initiation open complex formation transcription initiation from mitochondrial promoter mitochondrial RNA polymerase binding promoter specificity activity mitochondrion|mitochondrial DNA-directed RNA polymerase complex|mitochondrial matrix|mitochondrial intermembrane space YMR257C PET111 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0505435478744898 0.00340252356435477 104 Mitochondrial translational activator specific for the COX2 mRNA; located in the mitochondrial inner membrane mitochondrial respiratory chain complex IV biogenesis|positive regulation of mitochondrial translation translation regulator activity mitochondrion|mitochondrial inner membrane YPR093C ASR1 hom FT NUCLEUS 0.0499562075910873 0.00379470243932324 105 Ubiquitin ligase that modifies and regulates RNA Pol II; involved in a putative alcohol-responsive signaling pathway; accumulates in the nucleus under alcohol stress; contains a Ring/PHD finger domain similar to the mammalian rA9 protein response to ethanol|protein ubiquitination ubiquitin-protein ligase activity nucleus|cytoplasm YPL076W GPI2 het FT LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.0497884723727616 0.00394083952602979 106 Protein involved in the synthesis of N-acetylglucosaminyl phosphatidylinositol (GlcNAc-PI), the first intermediate in the synthesis of glycosylphosphatidylinositol (GPI) anchors; homologous to the human PIG-C protein GPI anchor biosynthetic process phosphatidylinositol N-acetylglucosaminyltransferase activity glycosylphosphatidylinositol-N-acetylglucosaminyltransferase (GPI-GnT) complex|integral to membrane|endoplasmic reticulum YER093C-A AIM11 hom 0.0496422130317879 0.00402080478888027 107 Protein of unknown function; null mutant is viable but shows increased loss of mitochondrial genome and synthetic interaction with prohibitin (phb1); contains an intron; YER093C-A has a paralog, YBL059W, that arose from the whole genome duplication biological_process molecular_function cellular_component YPR006C ICL2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0496205418178687 0.0040533305700112 108 2-methylisocitrate lyase of the mitochondrial matrix, functions in the methylcitrate cycle to catalyze the conversion of 2-methylisocitrate to succinate and pyruvate; ICL2 transcription is repressed by glucose and induced by ethanol threonine catabolic process|propionate metabolic process methylisocitrate lyase activity mitochondrion|mitochondrial matrix YDR283C GCN2 hom FF|FT KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|RESPONSE TO DNA DAMAGE|TRANSLATION|PROTEIN PHOSPHORYLATION|RIBOSOME 0.0495855350799476 0.00407946002703535 109 Protein kinase, phosphorylates the alpha-subunit of translation initiation factor eIF2 (Sui2p) in response to starvation; activated by uncharged tRNAs and the Gcn1p-Gcn20p complex; contributes to DNA damage checkpoint control cellular amino acid biosynthetic process|protein phosphorylation|regulation of translational initiation|DNA damage checkpoint protein homodimerization activity|protein kinase activity|eukaryotic translation initiation factor 2alpha kinase activity cytosolic ribosome YNL299W TRF5 hom FT CELL CYCLE|RNA PROCESSING|CELL DIVISION|NUCLEUS 0.049212020232007 0.00435043260730528 110 Non-canonical poly(A) polymerase, involved in nuclear RNA degradation as a component of the TRAMP complex; catalyzes polyadenylation of hypomodified tRNAs, and snoRNA and rRNA precursors; overlapping but non-redundant functions with Pap2p nuclear polyadenylation-dependent CUT catabolic process|nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent snoRNA catabolic process|nuclear polyadenylation-dependent rRNA catabolic process|nuclear polyadenylation-dependent snRNA catabolic process|ncRNA polyadenylation|histone mRNA catabolic process|nuclear polyadenylation-dependent mRNA catabolic process|U4 snRNA 3'-end processing|polyadenylation-dependent snoRNA 3'-end processing|snoRNA polyadenylation polynucleotide adenylyltransferase activity nucleolus|TRAMP complex YER154W OXA1 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.049204989995736 0.00437352474953345 111 Mitochondrial inner membrane insertase, mediates the insertion of both mitochondrial- and nuclear-encoded proteins from the matrix into the inner membrane, interacts with mitochondrial ribosomes; conserved from bacteria to animals protein insertion into mitochondrial membrane from inner side|mitochondrial genome maintenance|mitochondrial proton-transporting ATP synthase complex assembly mitochondrial ribosome binding|membrane insertase activity mitochondrion|mitochondrial inner boundary membrane|integral to membrane|mitochondrial crista|mitochondrial large ribosomal subunit YNL175C NOP13 hom FT NUCLEUS 0.0489192586173534 0.004588559393881 112 Nucleolar protein found in preribosomal complexes; contains an RNA recognition motif (RRM); relative distribution to the nucleolus increases upon DNA replication stress biological_process RNA binding nucleolus|preribosome YLR064W PER33 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|NUCLEAR PORE 0.0487337925794506 0.00477045675186836 113 Protein that localizes to the endoplasmic reticulum; also associates with the nuclear pore complex; deletion extends chronological lifespan; highly conserved across species, orthologous to human TMEM33 and paralogous to Pom33p; protein abundance increases in response to DNA replication stress biological_process molecular_function integral to membrane|endoplasmic reticulum|nuclear pore YFL050C ALR2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0487130463317199 0.00477582602911874 114 Probable Mg(2+) transporter; overexpression confers increased tolerance to Al(3+) and Ga(3+) ions; plays a role in regulating Ty1 transposition magnesium ion transport|cation transport|transmembrane transport inorganic cation transmembrane transporter activity integral to membrane|plasma membrane YLR002C NOC3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|CELL DIVISION|NUCLEUS 0.0486941501286623 0.00478588866137859 115 Component of a nuclear complex with Noc2p and pre-replicative complexes; the Noc2p-Noc3p complex binds to 66S ribosomal precursors to mediate their maturation and intranuclear transport; binds to chromatin at active replication origins, and is required for pre-RC formation and maintenance during DNA replication licensing rRNA processing|DNA replication initiation chromatin binding nucleoplasm|nucleolus|Noc2p-Noc3p complex|nucleus YGL051W MST27 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|PLASMA MEMBRANE 0.0485902799439793 0.00487017603606083 116 Putative integral membrane protein, involved in vesicle formation; forms complex with Mst28p; member of DUP240 gene family; binds COPI and COPII vesicles vesicle organization molecular_function integral to membrane|Golgi apparatus|endoplasmic reticulum|plasma membrane YER176W ECM32 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION 0.0485512794149596 0.00490457780134715 117 DNA dependent ATPase/DNA helicase belonging to the Dna2p- and Nam7p-like family of helicases that is involved in modulating translation termination; interacts with the translation termination factors, localized to polysomes regulation of translational termination RNA helicase activity|DNA helicase activity polysome YHR170W NMD3 het FF|FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS|RIBOSOME 0.0485281663624279 0.00500271671248877 118 Protein involved in nuclear export of the large ribosomal subunit; acts as a Crm1p-dependent adapter protein for export of nascent ribosomal subunits through the nuclear pore complex ribosomal large subunit export from nucleus ribosomal large subunit binding cytosol|cytosolic large ribosomal subunit YDR238C SEC26 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0485039791445968 0.00494659538227347 119 Essential beta-coat protein of the COPI coatomer, involved in ER-to-Golgi protein trafficking and maintenance of normal ER morphology; shares 43% sequence identity with mammalian beta-coat protein (beta-COP) ER to Golgi vesicle-mediated transport molecular_function coated vesicle|COPI vesicle coat YKL195W MIA40 het FF|FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0483824678532739 0.00508890808027734 120 Oxidoreductase that mediates mitochondrial intermembrane space import; substrates include small proteins containing twin cysteine motifs; acts in concert with Erv1p, which oxidizes the cysteine residues of Mia40p to comprise a disulfide relay system that catalyzes import; also mediates folding of Atp23p protein import into mitochondrial intermembrane space molecular_function mitochondrion|mitochondrial inner membrane|mitochondrial outer membrane translocase complex|mitochondrial intermembrane space YBR039W ATP3 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.0482158387246147 0.00520965918899508 121 Gamma subunit of the F1 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis ATP synthesis coupled proton transport proton-transporting ATPase activity, rotational mechanism mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase, central stalk YHR122W CIA2 het FT CELL CYCLE|CHROMOSOME SEGREGATION|NUCLEUS 0.048142560926264 0.00527854421000505 122 Component of cytosolic iron-sulfur protein assembly (CIA) machinery; acts at a late step of Fe-S cluster assembly; forms the CIA targeting complex with Cia1p and Met18p that directs Fe-S cluster incorporation into a subset of proteins involved in methionine biosynthesis, DNA replication and repair, transcription, and telomere maintenance; ortholog of human FAM96B establishment of mitotic sister chromatid cohesion molecular_function nucleus|cytoplasm YPL040C ISM1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0480886040093087 0.00532979113876727 123 Mitochondrial isoleucyl-tRNA synthetase, null mutant is deficient in respiratory growth isoleucyl-tRNA aminoacylation|mitochondrial isoleucyl-tRNA aminoacylation|mitochondrial translation isoleucine-tRNA ligase activity mitochondrion YIL085C KTR7 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|GOLGI APPARATUS 0.0479306066342327 0.00548244638269941 124 Putative mannosyltransferase involved in protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family; KTR7 has a paralog, KTR5, that arose from the whole genome duplication fungal-type cell wall organization|protein N-linked glycosylation mannosyltransferase activity Golgi apparatus YLR009W RLP24 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0478220378550703 0.00563233681670169 125 Essential protein required for ribosomal large subunit biogenesis; associated with pre-60S ribosomal subunits; stimulates the ATPase activity of Afg2p, which is required for release of Rlp24p from the pre-60S particle; has similarity to Rpl24Ap and Rpl24Bp ribosomal large subunit biogenesis molecular_function nucleolus|preribosome, large subunit precursor YAR020C PAU7 hom 0.0477524823783498 0.00565926982032068 126 Member of the seripauperin multigene family, active during alcoholic fermentation, regulated by anaerobiosis, inhibited by oxygen, repressed by heme biological_process molecular_function cellular_component YGL064C MRH4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|MITOCHONDRION 0.0475891497160419 0.0058259116641075 127 Mitochondrial ATP-dependent RNA helicase of the DEAD-box family, plays an essential role in mitochondrial function RNA metabolic process RNA helicase activity mitochondrion YML032C RAD52 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0474676040233225 0.00595277562221426 128 Protein that stimulates strand exchange by facilitating Rad51p binding to single-stranded DNA; anneals complementary single-stranded DNA; involved in the repair of double-strand breaks in DNA during vegetative growth and meiosis postreplication repair|telomere maintenance via recombination|meiotic joint molecule formation|meiotic DNA recombinase assembly|DNA recombinase assembly|DNA strand renaturation|double-strand break repair via synthesis-dependent strand annealing|double-strand break repair via single-strand annealing|double-strand break repair via break-induced replication recombinase activity nuclear chromosome|nucleus YLR145W RMP1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0474440570401791 0.00597763871951024 129 Subunit of RNase MRP, which processes pre-rRNA and has a role in cell cycle-regulated degradation of daughter cell-specific mRNAs; unlike most subunits, not shared between RNase MRP and nuclear RNase P maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|mRNA cleavage ribonuclease MRP activity nucleolus|nucleus|ribonuclease MRP complex|cytoplasm YDR301W CFT1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.0473976173762276 0.00602694834488055 130 RNA-binding subunit of the mRNA cleavage and polyadenylation factor; involved in poly(A) site recognition and required for both pre-mRNA cleavage and polyadenylation, 51% sequence similarity with mammalian AAUAA-binding subunit of CPSF mRNA cleavage|termination of RNA polymerase II transcription|mRNA polyadenylation RNA binding mRNA cleavage factor complex|mitochondrion|mRNA cleavage and polyadenylation specificity factor complex YOR090C PTC5 hom FT MITOCHONDRION 0.0472054618527576 0.00626587303913194 131 Mitochondrial type 2C protein phosphatase (PP2C) involved in regulation of pyruvate dehydrogenase activity by dephosphorylating the serine 133 of the Pda1p subunit; localizes to the intermembrane space and is imported via the presequence pathway and processed by the inner membrane protease (Imp1p-Imp2p); acts in concert with kinases Pkp1p and Pkp2p and phosphatase Ptc6p positive regulation of catalytic activity|regulation of catalytic activity|protein dephosphorylation [pyruvate dehydrogenase (lipoamide)] phosphatase activity|protein serine/threonine phosphatase activity mitochondrion YDL135C RDI1 hom FT MEMBRANE ORGANIZATION|SIGNALING|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH 0.0471595248922322 0.00631672767731174 132 Rho GDP dissociation inhibitor; involved in the localization and regulation of Cdc42p and Rho1p; protein abundance increases in response to DNA replication stress regulation of vacuole fusion, non-autophagic|actin filament organization|small GTPase mediated signal transduction Rho GDP-dissociation inhibitor activity cytosol|plasma membrane|cellular bud neck|cellular bud tip YMR241W YHM2 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0470149126066091 0.00644745763789793 133 Carrier protein that exports citrate from and imports oxoglutarate into the mitochondrion, causing net export of NADPH reducing equivalents; also associates with mt nucleoids and has a role in replication and segregation of the mt genome tricarboxylic acid transport|mitochondrial citrate transport|alpha-ketoglutarate transport|mitochondrial genome maintenance tricarboxylate secondary active transmembrane transporter activity|DNA binding mitochondrial nucleoid|mitochondrion|integral to membrane|mitochondrial inner membrane YLR210W CLB4 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS|CYTOSKELETON 0.046963070969982 0.00651439554204596 134 B-type cyclin involved in cell cycle progression; activates Cdc28p to promote the G2/M transition; may be involved in DNA replication and spindle assembly; accumulates during S phase and G2, then targeted for ubiquitin-mediated degradation G2/M transition of mitotic cell cycle|S phase of mitotic cell cycle|regulation of cyclin-dependent protein kinase activity|positive regulation of spindle pole body separation cyclin-dependent protein kinase regulator activity nucleus|spindle pole body|cytoplasm YHR120W MSH1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0467536691119923 0.00674947070185903 135 DNA-binding protein of the mitochondria involved in repair of mitochondrial DNA, has ATPase activity and binds to DNA mismatches; has homology to E. coli MutS; transcription is induced during meiosis DNA repair|mismatch repair|mitochondrial DNA repair|mitochondrion organization|reciprocal meiotic recombination|mitochondrial genome maintenance guanine/thymine mispair binding|dinucleotide insertion or deletion binding|DNA-dependent ATPase activity mitochondrion YMR278W PGM3 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.0466854005043852 0.00683045977624991 136 Phosphoglucomutase, catalyzes interconversion of glucose-1-phosphate and glucose-6-phospate; transcription induced in response to stress; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; non-essential biological_process phosphoglucomutase activity nucleus|cytoplasm YGL055W OLE1 het FF|FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.046546098539831 0.00699843084277192 137 Delta(9) fatty acid desaturase, required for monounsaturated fatty acid synthesis and for normal distribution of mitochondria unsaturated fatty acid biosynthetic process electron carrier activity|stearoyl-CoA 9-desaturase activity integral to endoplasmic reticulum membrane|integral to membrane YDR267C CIA1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|COFACTOR METABOLISM|NUCLEUS 0.0464190364513769 0.00718933712945144 138 Component of cytosolic iron-sulfur protein assembly (CIA) machinery; acts at a late step of Fe-S cluster assembly; forms the CIA targeting complex with Cia2p and Met18p that directs Fe-S cluster incorporation into a subset of proteins involved in methionine biosynthesis, DNA replication and repair, transcription, and telomere maintenance; contains WD40 repeats; ortholog of human Ciao1 protein iron-sulfur cluster assembly|ribosomal large subunit export from nucleus|tRNA wobble uridine modification molecular_function cytosol|nucleus|cytoplasm YJR016C ILV3 het FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0460922630656543 0.00757168971080864 139 Dihydroxyacid dehydratase, catalyzes third step in the common pathway leading to biosynthesis of branched-chain amino acids branched-chain amino acid biosynthetic process dihydroxy-acid dehydratase activity mitochondrion YIL011W TIR3 hom 0.0460504449245426 0.00765371484620885 140 Cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; expressed under anaerobic conditions and required for anaerobic growth biological_process molecular_function fungal-type cell wall YPL099C AIM43 hom FT MITOCHONDRION 0.0460482877157273 0.00763845290142711 141 Protein of unknown function; the authentic, non-tagged protein is detected in purified mitochondria in high-throughput studies; null mutant displays elevated frequency of mitochondrial genome loss biological_process molecular_function mitochondrion YER031C YPT31 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|ENDOMEMBRANE SYSTEM|MITOCHONDRION|GOLGI APPARATUS 0.0460305747929123 0.00766183629830806 142 Rab family GTPase; involved in the exocytic pathway; mediates intra-Golgi traffic or the budding of post-Golgi vesicles from the trans-Golgi; YPT31 has a paralog, YPT32, that arose from the whole genome duplication early endosome to Golgi transport|vesicle-mediated transport|exocytosis GTPase activity mitochondrial outer membrane|endosome|Golgi apparatus YBR074W_p YBR074W hom FT PROTEOLYSIS 0.0459570411269833 0.00775959767380516 143 Putative metalloprotease biological_process molecular_function cellular_component YML017W PSP2 hom 0.045837040016026 0.00791224193329495 144 Asn rich cytoplasmic protein that contains RGG motifs; high-copy suppressor of group II intron-splicing defects of a mutation in MRS2 and of a conditional mutation in POL1 (DNA polymerase alpha); possible role in mitochondrial mRNA splicing biological_process molecular_function cytoplasm YDL196W_d YDL196W het FF 0.0458067064447981 0.00798164783713939 145 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; open reading frame is located in promoter region of essential gene SEC31 Unknown Unknown Unknown YHR016C YSC84 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0456907837074885 0.00813248311720141 146 Actin-binding protein; involved in bundling of actin filaments and endocytosis of actin cortical patches; activity stimulated by Las17p; contains SH3 domain similar to Rvs167p; YSC84 has a paralog, LSB3, that arose from the whole genome duplication endocytosis|actin filament organization|actin filament bundle assembly|actin cortical patch localization|actin cytoskeleton organization actin filament binding actin cortical patch YDL002C NHP10 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.045462554347043 0.00843676662672435 147 Protein related to mammalian high mobility group proteins; preferentially binds DNA ends, protecting them from exonucleatic cleavage; likely component of the chromatin-remodeling complex INO80 complex; proposed to be involved in DNA repair double-strand break repair|nucleosome mobilization DNA end binding|loop DNA binding nucleus|Ino80 complex YDR031W MIC14 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS|MITOCHONDRION 0.0453382217288104 0.00861766463637484 148 Mitochondrial intermembrane space protein of unknown function; required for normal oxygen consumption; contains twin cysteine-x9-cysteine motifs; protein abundance increases in response to DNA replication stress aerobic respiration molecular_function nucleus|mitochondrial intermembrane space|cytoplasm YBL069W AST1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|OXIDATION-REDUCTION PROCESS|GOLGI APPARATUS|PLASMA MEMBRANE 0.0452607626162773 0.00873210850324048 149 Lipid raft associated protein; interacts with the plasma membrane ATPase Pma1p and has a role in its targeting to the plasma membrane by influencing its incorporation into lipid rafts; sometimes classified in the medium-chain dehydrogenase/reductases (MDRs) superfamily; AST1 has a paralog, AST2, that arose from the whole genome duplication protein targeting to membrane|protein transport into membrane raft molecular_function late endosome|membrane raft|Golgi apparatus|plasma membrane YFL027C GYP8 hom FT VESICLE-MEDIATED TRANSPORT|SIGNALING|NUCLEOTIDE METABOLISM 0.0452212942467139 0.00879094250850455 150 GTPase-activating protein for yeast Rab family members; Ypt1p is the preferred in vitro substrate but also acts on Sec4p, Ypt31p and Ypt32p; involved in the regulation of ER to Golgi vesicle transport vesicle-mediated transport Rab GTPase activator activity intracellular YGL006W PMC1 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS 0.0452076707596049 0.00884165078887664 151 Vacuolar Ca2+ ATPase involved in depleting cytosol of Ca2+ ions; prevents growth inhibition by activation of calcineurin in the presence of elevated concentrations of calcium; similar to mammalian PMCA1a cellular calcium ion homeostasis|calcium ion transport|transmembrane transport calcium-transporting ATPase activity fungal-type vacuole membrane|integral to membrane YDR094W_d YDR094W hom 0.0451545238859541 0.00889128099012412 152 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified ORF DNF2 Unknown Unknown Unknown YER001W MNN1 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0451414547287581 0.00891103976835198 153 Alpha-1,3-mannosyltransferase, integral membrane glycoprotein of the Golgi complex, required for addition of alpha1,3-mannose linkages to N-linked and O-linked oligosaccharides, one of five S. cerevisiae proteins of the MNN1 family N-glycan processing|protein O-linked glycosylation alpha-1,3-mannosyltransferase activity Golgi apparatus YGL097W SRM1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RIBOSOME BIOGENESIS|CELL DIVISION|RNA LOCALIZATION|NUCLEUS|CHROMOSOME 0.0450833430353481 0.00903018237219841 154 Nucleotide exchange factor for Gsp1p, localizes to the nucleus, required for nucleocytoplasmic trafficking of macromolecules; suppressor of the pheromone response pathway; potentially phosphorylated by Cdc28p ribosomal subunit export from nucleus|rRNA export from nucleus signal transducer activity nuclear chromatin|integral to membrane|nucleus YMR210W YMR210W hom FT KETONE METABOLISM|LIPID METABOLISM 0.0450732876916723 0.00901473585182338 155 Putative acyltransferase with similarity to Eeb1p and Eht1p, has a minor role in medium-chain fatty acid ethyl ester biosynthesis; may be involved in lipid metabolism and detoxification medium-chain fatty acid biosynthetic process transferase activity, transferring acyl groups cellular_component YJR152W DAL5 hom FT PLASMA MEMBRANE 0.0450633833785147 0.00907110194306141 156 Allantoate permease; ureidosuccinate permease; also transports dipeptides, though with lower affinity than for allantoate and ureidosuccinate; expression is constitutive but sensitive to nitrogen catabolite repression dipeptide transport|allantoate transport dipeptide transporter activity|allantoate transmembrane transporter activity integral to membrane|plasma membrane YDL205C HEM3 het FT COFACTOR METABOLISM|NUCLEUS 0.0449465252976467 0.00921043481625431 157 Porphobilinogen deaminase, catalyzes the conversion of 4-porphobilinogen to hydroxymethylbilane, the third step in heme biosynthesis; localizes to the cytoplasm and nucleus; expression is regulated by Hap2p-Hap3p, but not by levels of heme heme biosynthetic process hydroxymethylbilane synthase activity nucleus|cytoplasm YPL166W ATG29 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|RESPONSE TO NUTRIENT LEVELS 0.0448656555681689 0.00935836714969737 158 Autophagy-specific protein; required for recruiting other ATG proteins to the pre-autophagosomal structure (PAS); interacts with Atg17p and localizas to the PAS in a manner interdependent with Atg17p and Cis1p; not conserved; relocalizes from nucleus to cytoplasmic foci upon DNA replication stress mitochondrion degradation|piecemeal microautophagy of nucleus|macroautophagy molecular_function pre-autophagosomal structure|cytoplasm YNR025C_d YNR025C hom 0.0448204710053633 0.00941940118607494 159 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; deletion reduces expression of PIS1 gene encoding phosphatidylinositol synthase Unknown Unknown Unknown YMR287C DSS1 hom FT MITOCHONDRION 0.0447347012592473 0.00970815375983506 160 3'-5' exoribonuclease, component of the mitochondrial degradosome along with the ATP-dependent RNA helicase Suv3p; the degradosome associates with the ribosome and mediates turnover of aberrant or unprocessed RNAs mitochondrial RNA catabolic process exoribonuclease II activity mitochondrion|mitochondrial degradosome YLR173W_p YLR173W hom 0.0447206014727095 0.00956863646020346 161 Putative protein of unknown function biological_process molecular_function cellular_component YOR321W PMT3 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0446796487447508 0.00963488017954302 162 Protein O-mannosyltransferase; transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; acts in a complex with Pmt5p, can instead interact with Pmt1p in some conditions; antifungal drug target; PMT3 has a paralog, PMT2, that arose from the whole genome duplication protein O-linked glycosylation|protein O-linked mannosylation dolichyl-phosphate-mannose-protein mannosyltransferase activity integral to membrane|dolichyl-phosphate-mannose-protein mannosyltransferase complex YKR079C TRZ1 het FT RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.0445849413540797 0.00984444609037053 163 tRNA 3'-end processing endonuclease tRNase Z; also localized to mitochondria and interacts genetically with Rex2 exonuclease; homolog of the human candidate prostate cancer susceptibility gene ELAC2 tRNA 3'-trailer cleavage, endonucleolytic 3'-tRNA processing endoribonuclease activity mitochondrion|nucleus|cytoplasm YGR254W ENO1 hom FT MEMBRANE ORGANIZATION|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0445822902240625 0.00982686239250261 164 Enolase I, a phosphopyruvate hydratase; catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate during glycolysis and the reverse reaction during gluconeogenesis; expression is repressed in response to glucose; protein abundance increases in response to DNA replication stress regulation of vacuole fusion, non-autophagic|gluconeogenesis|glycolysis phosphopyruvate hydratase activity mitochondrion|phosphopyruvate hydratase complex|plasma membrane|fungal-type vacuole|cytoplasm YLR369W SSQ1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|COFACTOR METABOLISM|MITOCHONDRION 0.0445499819749992 0.00984732829653887 165 Mitochondrial hsp70-type molecular chaperone, required for assembly of iron/sulfur clusters into proteins at a step after cluster synthesis, and for maturation of Yfh1p, which is a homolog of human frataxin implicated in Friedreich's ataxia iron-sulfur cluster assembly|intracellular sequestering of iron ion|protein maturation unfolded protein binding mitochondrion|mitochondrial matrix YAL038W CDC19 het FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0444451126358057 0.0101003762735172 166 Pyruvate kinase; functions as a homotetramer in glycolysis to convert phosphoenolpyruvate to pyruvate, the input for aerobic (TCA cycle) or anaerobic (glucose fermentation) respiration; regulated via allosteric activation by fructose bisphosphate; CDC19 has a paralog, PYK2, that arose from the whole genome duplication pyruvate metabolic process|glycolysis pyruvate kinase activity cytosol|plasma membrane YLR264W RPS28B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0443273470229684 0.0102218435215687 167 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S28, no bacterial homolog; RPS28B has a paralog, RPS28A, that arose from the whole genome duplication cytoplasmic translation|rRNA export from nucleus structural constituent of ribosome cytosolic small ribosomal subunit YDR322W MRPL35 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.04428717267741 0.0106370934813758 168 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YGL041C-B_p YGL041C-B hom 0.0442753515938977 0.0103111148915779 169 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YER050C RSM18 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.044228126087506 0.0103927970974984 170 Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S18 ribosomal protein mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YOL095C HMI1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0441755386723004 0.0104844301768141 171 Mitochondrial inner membrane localized ATP-dependent DNA helicase, required for the maintenance of the mitochondrial genome; not required for mitochondrial transcription; has homology to E. coli helicase uvrD mitochondrial genome maintenance|mitochondrial DNA metabolic process ATP-dependent 3'-5' DNA helicase activity mitochondrion|mitochondrial matrix YOR202W HIS3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0440683263565078 0.0106734749943587 172 Imidazoleglycerol-phosphate dehydratase, catalyzes the sixth step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts; transcription is regulated by general amino acid control via Gcn4p histidine biosynthetic process imidazoleglycerol-phosphate dehydratase activity cellular_component YGL148W ARO2 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0439695971635133 0.0108857291056478 173 Bifunctional chorismate synthase and flavin reductase; catalyzes the conversion of 5-enolpyruvylshikimate 3-phosphate (EPSP) to form chorismate, which is a precursor to aromatic amino acids; protein abundance increases in response to DNA replication stress aromatic amino acid family biosynthetic process chorismate synthase activity|riboflavin reductase (NADPH) activity cytoplasm YBR151W APD1 hom FT NUCLEUS 0.0439422700829661 0.0108996174830598 174 Protein of unknown function, required for normal localization of actin patches and for normal tolerance of sodium ions and hydrogen peroxide; localizes to both cytoplasm and nucleus biological_process molecular_function nucleus|cytoplasm YDR519W FPR2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0437051795878173 0.0113365107306809 175 Membrane-bound peptidyl-prolyl cis-trans isomerase (PPIase); binds to the drugs FK506 and rapamycin; expression pattern suggests possible involvement in ER protein trafficking; relocalizes from nucleus to vacuole upon DNA replication stress biological_process FK506 binding|peptidyl-prolyl cis-trans isomerase activity endoplasmic reticulum membrane YMR267W PPA2 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0435912059714111 0.0115767987352837 176 Mitochondrial inorganic pyrophosphatase, required for mitochondrial function and possibly involved in energy generation from inorganic pyrophosphate aerobic respiration inorganic diphosphatase activity mitochondrion YER067C-A_d YER067C-A hom 0.0434961930107274 0.0117344303231706 177 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YER067W Unknown Unknown Unknown YLL053C_p YLL053C hom 0.043438622761628 0.011846200098938 178 Putative protein; in the Sigma 1278B strain background YLL053C is contiguous with AQY2 which encodes an aquaporin biological_process molecular_function integral to membrane YOL048C RRT8 hom 0.0434125244932335 0.011897178712844 179 Protein of unknown function; identified in a screen for mutants with increased levels of rDNA transcription; green fluorescent protein (GFP)-fusion protein localizes to lipid particles; protein abundance increases in response to DNA replication stress biological_process molecular_function integral to membrane|lipid particle YJL095W BCK1 hom FF|FT SIGNALING|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|PEROXISOME ORGANIZATION|SITE OF POLARIZED GROWTH 0.0433779170872814 0.0119650783275775 180 Mitogen-activated protein (MAP) kinase kinase kinase acting in the protein kinase C signaling pathway, which controls cell integrity; upon activation by Pkc1p phosphorylates downstream kinases Mkk1p and Mkk2p intracellular protein kinase cascade|endoplasmic reticulum unfolded protein response|peroxisome degradation|establishment of cell polarity|protein phosphorylation|response to acid|response to nutrient protein kinase activity|MAP kinase kinase kinase activity intracellular|mating projection tip YBL077W_d YBL077W het 0.0433631737391548 0.0120068482023217 181 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene ILS1/YBL076C Unknown Unknown Unknown YBL086C_p YBL086C hom 0.0433050840009118 0.0121090994691596 182 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery biological_process molecular_function cellular_component YPL029W SUV3 hom FF|FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION|CHROMOSOME 0.043219471935216 0.012280351797304 183 ATP-dependent RNA helicase, component of the mitochondrial degradosome along with the RNase Dss1p; the degradosome associates with the ribosome and mediates RNA turnover; also required during splicing of the COX1 AI5_beta intron mitochondrial DNA replication|mitochondrial RNA catabolic process|Group I intron splicing exoribonuclease II activity|ATP-dependent RNA helicase activity mitochondrion|mitochondrial chromosome|mitochondrial degradosome YCL032W STE50 hom FT CELL CYCLE|SIGNALING 0.0429112017587871 0.0129823345332986 184 Protein involved in mating response, invasive/filamentous growth, and osmotolerance, acts as an adaptor that links G protein-associated Cdc42p-Ste20p complex to the effector Ste11p to modulate signal transduction pheromone-dependent signal transduction involved in conjugation with cellular fusion|MAPK cascade involved in osmosensory signaling pathway|osmosensory signaling pathway via Sho1 osmosensor|signal transduction involved in filamentous growth|cellular response to heat SAM domain binding|protein kinase regulator activity cytoplasm YGR032W GSC2 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|PLASMA MEMBRANE|CYTOSKELETON 0.0428625057811181 0.0130177354658254 185 Catalytic subunit of 1,3-beta-glucan synthase, involved in formation of the inner layer of the spore wall; activity positively regulated by Rho1p and negatively by Smk1p; has similarity to an alternate catalytic subunit, Fks1p (Gsc1p) ascospore wall assembly|(1->3)-beta-D-glucan biosynthetic process 1,3-beta-D-glucan synthase activity 1,3-beta-D-glucan synthase complex|integral to membrane|actin cap|prospore membrane YMR203W TOM40 het FF|FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0427960788855099 0.0132412993206517 186 Component of the TOM (translocase of outer membrane) complex responsible for recognition and initial import steps for all mitochondrially directed proteins; constitutes the core element of the protein conducting pore protein import into mitochondrial matrix protein channel activity mitochondrial outer membrane|mitochondrion|integral to membrane|mitochondrial outer membrane translocase complex YDL112W TRM3 hom FT RNA PROCESSING 0.0427836258149377 0.0131858633539116 187 2'-O-ribose methyltransferase, catalyzes the ribose methylation of the guanosine nucleotide at position 18 of tRNAs tRNA methylation tRNA (guanine) methyltransferase activity cytoplasm YLL006W MMM1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0425501411181112 0.0137229498195177 188 ER integral membrane protein, component of the ERMES complex that links the ER to mitochondria and may promote inter-organellar calcium and phospholipid exchange as well as coordinating mitochondrial DNA replication and growth mitochondrion organization|mitochondrial genome maintenance|protein import into mitochondrial outer membrane|phospholipid transport molecular_function mitochondrial outer membrane|mitochondrion|integral to endoplasmic reticulum membrane|ERMES complex YPL078C ATP4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.0424983174678525 0.0138101141808596 189 Subunit b of the stator stalk of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis; contributes to the oligomerization of the complex; phosphorylated protein complex oligomerization|ATP synthesis coupled proton transport proton-transporting ATPase activity, rotational mechanism mitochondrion|mitochondrial proton-transporting ATP synthase, stator stalk|integral to membrane YJR144W MGM101 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|MITOCHONDRION|CHROMOSOME 0.0424634990981537 0.0139307062920534 190 Protein with a role in mitochondrial DNA recombinational repair;also involved in interstrand cross-link repair; binds to and catalyzes the annealing of single-stranded mtDNA; oligomerizes to form rings and filaments; related to Rad52-type recombination proteins, with limited overall similarity but sharing conserved functionally important residues; component of the mitochondrial nucleoid, required for the repair of oxidative mtDNA damage DNA repair|recombinational repair|DNA strand renaturation molecular_function mitochondrial nucleoid|mitochondrion YOL159C YOL159C hom 0.0424084755907578 0.0140120158244954 191 Soluble protein of unknown function; deletion mutants are viable and have elevated levels of Ty1 retrotransposition and Ty1 cDNA biological_process molecular_function cellular_component YML063W RPS1B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0423341938760653 0.0141809112774186 192 Ribosomal protein 10 (rp10) of the small (40S) subunit; homologous to mammalian ribosomal protein S3A, no bacterial homolog; RPS1B has a paralog, RPS1A, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit|90S preribosome YOR148C SPP2 het FT RNA PROCESSING|NUCLEUS 0.0422742663856643 0.0143184752947818 193 Essential protein that promotes the first step of splicing and is required for the final stages of spliceosome maturation; interacts with Prp2p, which may release Spp2p from the spliceosome following the first cleavage reaction mRNA splicing, via spliceosome molecular_function spliceosomal complex YBL030C PET9 het FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0422323659452784 0.0144591923298465 194 Major ADP/ATP carrier of the mitochondrial inner membrane; exchanges cytosolic ADP for mitochondrially synthesized ATP; also imports heme and ATP; phosphorylated; required for viability in many lab strains that carry a sal1 mutation; PET9 has a paralog, AAC3, that arose from the whole genome duplication heme transport|transmembrane transport|aerobic respiration|anaerobic respiration|ATP transport|ADP transport|apoptotic process|mitochondrial transport ATP:ADP antiporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YOR205C GEP3 hom FT MITOCHONDRION 0.0422174098428948 0.0144646990630502 195 Protein required for mitochondrial ribosome small subunit biogenesis; null mutant is defective in respiration and in maturation of 15S rRNA; protein is localized to the mitochondrial inner membrane; null mutant interacts synthetically with prohibitin (phb1) maturation of SSU-rRNA molecular_function mitochondrion|mitochondrial inner membrane YDR454C GUK1 het FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0421096557239099 0.0147024132396127 196 Guanylate kinase, converts GMP to GDP; required for growth and mannose outer chain elongation of cell wall N-linked glycoproteins GMP metabolic process guanylate kinase activity nucleus|cytoplasm YJR084W YJR084W hom FT RNA PROCESSING|SIGNALING|NUCLEUS|CHROMOSOME 0.0420698989356434 0.014796490886886 197 Protein that forms a complex with Thp3p; may have a role in transcription elongation and/or mRNA splicing; identified as a COP9 signalosome component but phenotype and interactions suggest it may not be involved with the signalosome adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion|mRNA splicing, via spliceosome molecular_function transcriptionally active chromatin YKR035W-A DID2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM 0.0420680302333955 0.0148158082732692 198 Class E protein of the vacuolar protein-sorting (Vps) pathway; binds Vps4p and directs it to dissociate ESCRT-III complexes; forms a functional and physical complex with Ist1p; human ortholog may be altered in breast tumors late endosome to vacuole transport via multivesicular body sorting pathway|late endosome to vacuole transport|protein targeting to vacuole molecular_function late endosome|cytoplasm YLR321C SFH1 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|RSC COMPLEX 0.0420461862121765 0.0148677757424591 199 Component of the RSC chromatin remodeling complex; essential gene required for cell cycle progression and maintenance of proper ploidy; phosphorylated in the G1 phase of the cell cycle; Snf5p paralog ATP-dependent chromatin remodeling|double-strand break repair|chromosome segregation|regulation of DNA replication involved in S phase|chromatin remodeling at centromere|nucleosome disassembly|G2/M transition of mitotic cell cycle|transcription elongation from RNA polymerase II promoter DNA translocase activity RSC complex YOR117W RPT5 het FF|FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|NUCLEUS 0.0419225117598171 0.0152714450298437 200 One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; recruited to the GAL1-10 promoter region upon induction of transcription; similar to human TBP1 positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|proteasome regulatory particle assembly|ubiquitin-dependent protein catabolic process ATPase activity proteasome regulatory particle, base subcomplex YHR081W LRP1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RNA LOCALIZATION|NUCLEUS 0.0419185974784527 0.0152962573485992 201 Nuclear exosome-associated nucleic acid binding protein; involved in RNA processing, surveillance, degradation, tethering, and export; homolog of mammalian nuclear matrix protein C1D involved in regulation of DNA repair and recombination U5 snRNA 3'-end processing|nuclear mRNA surveillance|nuclear polyadenylation-dependent CUT catabolic process|nuclear polyadenylation-dependent rRNA catabolic process|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|nuclear retention of pre-mRNA at the site of transcription|U4 snRNA 3'-end processing|polyadenylation-dependent snoRNA 3'-end processing|exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) double-stranded RNA binding|double-stranded DNA binding nuclear exosome (RNase complex) YJL185C ATG36 hom 0.0419120305355081 0.0151753130853083 202 Pex3p interacting protein, required for pexophagy; interacts with Atg8p and Atg11p; mRNA is weakly cell cycle regulated, peaking in G2 phase; YJL185C is a non-essential gene peroxisome degradation molecular_function peroxisome YPR049C ATG11 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|PEROXISOME ORGANIZATION 0.0419060566504958 0.0151898141967962 203 Adapter protein for pexophagy and the cytoplasm-to-vacuole targeting (Cvt) pathway; directs receptor-bound cargo to the phagophore assembly site (PAS) for packaging into vesicles; required for recruiting other proteins to the (PAS) piecemeal microautophagy of nucleus|mitochondrion degradation|peroxisome degradation|protein localization to pre-autophagosomal structure|CVT pathway protein complex scaffold pre-autophagosomal structure|extrinsic to membrane YOR116C RPO31 het FF|FT NUCLEUS 0.0418523291062174 0.0153207824373956 204 RNA polymerase III largest subunit C160, part of core enzyme; similar to bacterial beta-prime subunit and to RPA190 and RPO21 tRNA transcription from RNA polymerase III promoter DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex YPL157W TGS1 hom FT CELL CYCLE|RNA PROCESSING|NUCLEUS 0.0417843375019634 0.0154879449790881 205 Trimethyl guanosine synthase, conserved nucleolar methyl transferase that converts the m(7)G cap structure of snRNAs, snoRNAs, and telomerase TLC1 RNA to m(2,2,7)G; also required for nucleolar assembly and splicing of meiotic pre-mRNAs meiosis|RNA methylation|nucleologenesis|7-methylguanosine cap hypermethylation|regulation of telomere maintenance via telomerase RNA methyltransferase activity nucleolus YGL099W LSG1 het FF|FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|SITE OF POLARIZED GROWTH 0.0415452606625752 0.0160885409881775 206 Putative GTPase involved in 60S ribosomal subunit biogenesis; required for the release of Nmd3p from 60S subunits in the cytoplasm conjugation with cellular fusion|ribosomal large subunit assembly|ribosomal subunit export from nucleus|ascospore formation GTPase activity mating projection tip|cytoplasm YOR318C_d YOR318C hom 0.0415318660250266 0.0161386288692623 207 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; transcript is predicted to be spliced but there is no evidence that it is spliced in vivo Unknown Unknown Unknown YIR012W SQT1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RIBOSOME 0.0415227570454667 0.0161461134566457 208 Protein involved in 60S ribosomal subunit assembly or modification; contains multiple WD repeats; interacts with Qsr1p in a two-hybrid assay; protein abundance increases in response to DNA replication stress ribosomal large subunit assembly molecular_function cytosol|cytosolic ribosome|cytoplasm YMR119W ASI1 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0412738481304248 0.0170913245863618 209 Putative integral membrane E3 ubiquitin ligase; acts with Asi2p and Asi3p to ensure the fidelity of SPS-sensor signalling by maintaining the dormant repressed state of gene expression in the absence of inducing signals; ASI1 has a paralog, ASI3, that arose from the whole genome duplication ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity integral to membrane|nuclear inner membrane|endoplasmic reticulum membrane YDL105W NSE4 het FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0412499392458339 0.0169241607603211 210 Component of the SMC5-SMC6 complex; this complex plays a key role in the removal of X-shaped DNA structures that arise between sister chromatids during DNA replication and repair DNA repair molecular_function Smc5-Smc6 complex|nucleus YBR211C AME1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0412016813163236 0.01700392840998 211 Essential kinetochore protein associated with microtubules and SPBs; component of the kinetochore sub-complex COMA (Ctf19p, Okp1p, Mcm21p, Ame1p); involved in spindle checkpoint maintenance; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-U and fission yeast Mis17; relative distribution to the nucleus increases upon DNA replication stress attachment of spindle microtubules to kinetochore|protein localization to kinetochore molecular_function COMA complex|spindle pole body|kinetochore YIL165C_p YIL165C hom 0.0411414052420883 0.0171496437485874 212 Putative protein of unknown function; mutant exhibits mitophagy defects; in closely related species and other S. cerevisiae strain backgrounds YIL165C and adjacent ORF, YIL164C, likely constitute a single ORF encoding a nitrilase gene mitochondrion degradation molecular_function cellular_component YER164W CHD1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CHROMATIN ORGANIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0410525592145892 0.0173911523733766 213 Chromatin remodeler that regulates various aspects of transcription; acts in in conjunction with Isw1b to regulate chromatin structure and maintain chromatin integrity during transcription elongation by RNAP II by preventing trans-histone exchange over coding regions; contains a chromo domain, a helicase domain and a DNA-binding domain; component of both the SAGA and SLIK complexes termination of RNA polymerase I transcription|ATP-dependent chromatin remodeling|nucleosome positioning|negative regulation of histone H3-K14 acetylation|termination of RNA polymerase II transcription|regulation of transcription by chromatin organization|regulation of transcriptional start site selection at RNA polymerase II promoter|nucleosome mobilization|Unknown|transcription elongation from RNA polymerase II promoter chromatin DNA binding|DNA-dependent ATPase activity|methylated histone residue binding|DNA binding|rDNA binding nuclear chromatin|SLIK (SAGA-like) complex|mitochondrion|SAGA complex|nucleolar chromatin YKR101W SIR1 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0410224879506465 0.0174735671342409 214 Protein involved in repression of transcription at the silent mating-type loci HML and HMR; recruitment to silent chromatin requires interactions with Orc1p and with Sir4p, through a common Sir1p domain; binds to centromeric chromatin establishment of chromatin silencing|chromatin silencing at silent mating-type cassette chromatin binding|sequence-specific DNA binding chromatin silencing complex YBR154C RPB5 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0408639297529746 0.0180855188724343 215 RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III; contacts DNA and affects transactivation tRNA transcription from RNA polymerase III promoter|transcription from RNA polymerase I promoter|transcription from RNA polymerase III promoter|transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex|DNA-directed RNA polymerase I complex|DNA-directed RNA polymerase II, core complex YLR439W MRPL4 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.040760559277144 0.0182060147528482 216 Mitochondrial ribosomal protein of the large subunit, homolog of prokaryotic L29 ribosomal protein; located at the ribosomal tunnel exit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YML082W_p YML082W hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0407320767233267 0.018287259692334 217 Putative protein predicted to have carbon-sulfur lyase activity; transcriptionally regulated by Upc2p via an upstream sterol response element; green fluorescent protein (GFP)-fusion protein localizes to the nucleus and the cytoplasm; YML082W is not an essential gene sulfur compound metabolic process carbon-sulfur lyase activity nucleus|cytoplasm YOL160W_d YOL160W hom 0.0407029616067424 0.0184403698798043 218 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR143W DPH6 hom 0.0405860829995704 0.0187086989182926 219 Diphthamide synthetase; catalyzes the last amidation step of diphthamide biosynthesis using ammonium and ATP; evolutionarily conserved in eukaryotes; dph6 mutants exhibit diphthine accumulation and resistance to sordarin, which is indicative of defects in diphthamide formation on EF2; green fluorescent protein (GFP)-tagged protein localizes to the cytoplasm; DPH6/YLR143W is not an essential gene biological_process molecular_function cytoplasm YJL180C ATP12 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0405613811256599 0.0187985250439375 220 Conserved protein required for assembly of alpha and beta subunits into the F1 sector of mitochondrial F1F0 ATP synthase; mutation of human ATP12 reduces active ATP synthase levels and is associated with the disorder ATPAF2 deficiency mitochondrial proton-transporting ATP synthase complex assembly protein domain specific binding mitochondrion YOL135C MED7 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0405525508445969 0.0188066868513418 221 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; essential for transcriptional regulation negative regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter molecular_function core mediator complex YGL037C PNC1 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|GENE SILENCING|NUCLEUS 0.0404898600035386 0.0189910866336333 222 Nicotinamidase that converts nicotinamide to nicotinic acid; part of the NAD(+) salvage pathway; required for life span extension by calorie restriction; PNC1 expression responds to all known stimuli that extend replicative life span; protein increases in abundance and relative distribution to cytoplasmic foci decreases upon DNA replication stress replicative cell aging|chromatin silencing at rDNA|nicotinate nucleotide salvage|chromatin silencing at telomere nicotinamidase activity nucleus|peroxisome|cytoplasm YGR284C ERV29 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0404806586883915 0.0190182840796425 223 Protein localized to COPII-coated vesicles; involved in vesicle formation and incorporation of specific secretory cargo; protein abundance increases in response to DNA replication stress ER to Golgi vesicle-mediated transport molecular_function integral to membrane|ER to Golgi transport vesicle YDR509W_d YDR509W hom 0.0404601461002412 0.0190790381898245 224 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL014C-A_p YIL014C-A hom 0.0404206315232418 0.0191965504945787 225 Putative protein of unknown function biological_process molecular_function cellular_component YBR208C DUR1,2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0404080931161508 0.0192339703597302 226 Urea amidolyase; contains both urea carboxylase and allophanate hydrolase activities, degrades urea to CO2 and NH3; expression sensitive to nitrogen catabolite repression and induced by allophanate, an intermediate in allantoin degradation; protein abundance increases in response to DNA replication stress allantoin catabolic process|urea catabolic process urea carboxylase activity|allophanate hydrolase activity cytoplasm YDL198C GGC1 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0402942454396916 0.0196679309008452 227 Mitochondrial GTP/GDP transporter, essential for mitochondrial genome maintenance; has a role in mitochondrial iron transport; member of the mitochondrial carrier family cellular iron ion homeostasis|mitochondrial genome maintenance|transmembrane transport|guanine nucleotide transport guanine nucleotide transmembrane transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YML030W RCF1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0402615421224991 0.0196943712641814 228 Cytochrome c oxidase subunit; required for assembly of the Complex III-Complex IV supercomplex, and for assembly of Cox13p and Rcf2p into cytochrome c oxidase; similar to Rcf2p, and either Rcf1p or Rcf2p is required for late-stage assembly of the Cox12p and Cox13p subunits and for cytochrome c oxidase activity; required for growth under hypoxic conditions; member of the hypoxia induced gene family; C. elegans and human orthologs are functional in yeast mitochondrial respiratory chain complex IV assembly|mitochondrial respiratory chain supercomplex assembly molecular_function mitochondrion|mitochondrial respiratory chain supercomplex|integral to mitochondrial inner membrane|mitochondrial respiratory chain complex IV YIR004W DJP1 hom FT PROTEIN LOCALIZATION|PEROXISOME ORGANIZATION 0.0402404660973431 0.0197403940879518 229 Cytosolic J-domain-containing protein, required for peroxisomal protein import and involved in peroxisome assembly, homologous to E. coli DnaJ protein import into peroxisome matrix chaperone binding cytosol YOR158W PET123 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0401774697196258 0.0199337019069732 230 Mitochondrial ribosomal protein of the small subunit; PET123 exhibits genetic interactions with PET122, which encodes a COX3 mRNA-specific translational activator mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YDR062W LCB2 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0401068367620026 0.0201524053039704 231 Component of serine palmitoyltransferase, responsible along with Lcb1p for the first committed step in sphingolipid synthesis, which is the condensation of serine with palmitoyl-CoA to form 3-ketosphinganine sphingolipid biosynthetic process serine C-palmitoyltransferase activity SPOTS complex|serine C-palmitoyltransferase complex YNL005C MRP7 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0399344958434042 0.0207137862894015 232 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome|peptidyltransferase activity mitochondrion|mitochondrial large ribosomal subunit YDL101C DUN1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0398920264400589 0.0208304416914713 233 Cell-cycle checkpoint serine-threonine kinase required for DNA damage-induced transcription of certain target genes, phosphorylation of Rad55p and Sml1p, and transient G2/M arrest after DNA damage; also regulates postreplicative DNA repair protein phosphorylation|replication fork protection|cell cycle checkpoint|DNA damage checkpoint protein kinase activity nucleus YJL096W MRPL49 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0398670420097607 0.0209105794974876 234 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YHR075C PPE1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0398391705805712 0.0210002941704742 235 Protein with carboxyl methyl esterase activity that may have a role in demethylation of the phosphoprotein phosphatase catalytic subunit; also identified as a small subunit mitochondrial ribosomal protein cellular protein modification process|mitochondrial translation structural constituent of ribosome|carboxylesterase activity mitochondrial small ribosomal subunit YOR378W_p YOR378W hom FT PLASMA MEMBRANE 0.0398210950396055 0.0210586561477303 236 Putative paralog of ATR1, but not required for boron tolerance; member of the DHA2 family of drug:H+ antiporters; YOR378W is not an essential gene biological_process molecular_function integral to membrane YNR053C NOG2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0397711449631981 0.0212785976018849 237 Putative GTPase that associates with pre-60S ribosomal subunits in the nucleolus and is required for their nuclear export and maturation ribosomal large subunit export from nucleus GTPase activity nucleoplasm|nucleolus|nucleus|preribosome, large subunit precursor YPR139C LOA1 hom FT PROTEIN LOCALIZATION|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM 0.0397685888669706 0.0212676004495513 238 Lysophosphatidic acid acyltransferase; involved in triacelglyceride homeostasis and lipid droplet formation; localized to lipid droplets and the ER; specificity for oleoyl-CoA lipid particle organization|cellular triglyceride homeostasis|protein targeting to vacuole lysophosphatidic acid acyltransferase activity endoplasmic reticulum|lipid particle|cytoplasm YMR293C HER2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.0397020376728629 0.0215439709296857 239 Subunit of the trimeric GatFAB AmidoTransferase(AdT) complex; involved in the formation of Q-tRNAQ; required for remodeling of ER caused by Hmg2p overexpression; similar to bacterial GatA glutamyl-tRNA amidotransferase endoplasmic reticulum organization|glutaminyl-tRNAGln biosynthesis via transamidation glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity mitochondrion|glutamyl-tRNA(Gln) amidotransferase complex YKL138C MRPL31 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0395758554070784 0.0219632476644999 240 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrial large ribosomal subunit YMR033W ARP9 het FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.039492253540538 0.0221652246397878 241 Component of both the SWI/SNF and RSC chromatin remodeling complexes; actin-related protein involved in transcriptional regulation nucleosome positioning|ATP-dependent chromatin remodeling|nucleosome mobilization|chromatin organization|nucleosome disassembly|transcription elongation from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter DNA translocase activity RSC complex|SWI/SNF complex|nucleus YCR020C-A MAK31 hom 0.0394461686770155 0.0223014658021293 242 Non-catalytic subunit of N-terminal acetyltransferase of the NatC type; required for replication of dsRNA virus; member of the Sm protein family N-terminal protein amino acid acetylation peptide alpha-N-acetyltransferase activity NatC complex YGR034W RPL26B hom FT TRANSLATION|RIBOSOME 0.0393941301933037 0.0224789055100514 243 Ribosomal 60S subunit protein L26B; binds to 5.8S rRNA; homologous to mammalian ribosomal protein L26 and bacterial L24; RPL26B has a paralog, RPL26A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YDR175C RSM24 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0392848311940334 0.0229574061435972 244 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YMR119W-A_d YMR119W-A hom 0.0391910439885205 0.023660150946975 245 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBL003C HTA2 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0391837676174466 0.0232087551811296 246 Histone H2A, core histone protein required for chromatin assembly and chromosome function; one of two nearly identical (see also HTA1) subtypes; DNA damage-dependent phosphorylation by Mec1p facilitates DNA repair; acetylated by Nat4p DNA repair|chromatin assembly or disassembly DNA binding replication fork protection complex|nuclear nucleosome YNL125C ESBP6 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0390152104931804 0.0238920912257351 247 Protein with similarity to monocarboxylate permeases, appears not to be involved in transport of monocarboxylates such as lactate, pyruvate or acetate across the plasma membrane transport monocarboxylic acid transmembrane transporter activity|transporter activity mitochondrion|integral to membrane|endoplasmic reticulum|membrane YKL034W TUL1 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0389806704397059 0.0239328224032215 248 Subunit of the DSC ubiquitin ligase complex; golgi-localized RING-finger ubiquitin ligase (E3) involved in sorting polar transmembrane domain containing membrane proteins to multivesicular bodies for delivery to the vacuole; proposed involvement in the quality control of misfolded TMD containing proteins; ortholog of fission yeast dsc1 ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|protein ubiquitination ubiquitin-protein ligase activity integral to membrane|Golgi apparatus YIL159W BNR1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH 0.0389603462089831 0.0240063474255391 249 Formin, nucleates the formation of linear actin filaments, involved in cell processes such as budding and mitotic spindle orientation which require the formation of polarized actin cables, functionally redundant with BNI1 barbed-end actin filament capping|actin filament bundle assembly|formin-nucleated actin cable assembly profilin binding cellular bud neck YEL056W HAT2 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0389291402051456 0.0241196194799274 250 Subunit of the Hat1p-Hat2p histone acetyltransferase complex; required for high affinity binding of the complex to free histone H4, thereby enhancing Hat1p activity; similar to human RbAp46 and 48; has a role in telomeric silencing histone acetylation|chromatin assembly or disassembly|chromatin silencing at telomere histone acetyltransferase activity|histone binding histone acetyltransferase complex|nucleus|cytoplasm YNL276C_d YNL276C hom 0.03887378490699 0.0243216888289146 251 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the verified gene MET2/YNL277W Unknown Unknown Unknown YDR468C TLG1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|GOLGI APPARATUS 0.0388310838666917 0.024478565498074 252 Essential t-SNARE that forms a complex with Tlg2p and Vti1p and mediates fusion of endosome-derived vesicles with the late Golgi; binds the docking complex VFT (Vps fifty-three) through interaction with Vps51p endocytosis|vesicle fusion SNAP receptor activity trans-Golgi network|SNARE complex|endosome YNL207W RIO2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0387418451898614 0.024809245722434 253 Essential serine kinase involved in the processing of the 20S pre-rRNA into mature 18S rRNA; has similarity to Rio1p maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) nucleocytoplasmic transporter activity|protein kinase activity cytosol|nucleus|cytoplasm YJL204C RCY1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|GOLGI APPARATUS|SITE OF POLARIZED GROWTH 0.0386957570291042 0.0249815380622268 254 F-box protein involved in recycling plasma membrane proteins internalized by endocytosis; localized to sites of polarized growth early endosome to Golgi transport|endocytosis SNARE binding endosome|Golgi apparatus|site of polarized growth YOR104W PIN2 hom 0.0386904993024421 0.0250012587851601 255 Protein that induces appearance of [PIN+] prion when overproduced; predicted to be palmitoylated biological_process molecular_function cellular_component YDR413C_d YDR413C het 0.0386785239876241 0.0250895757655832 256 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the essential uncharacterized ORF YDR412W that is implicated in rRNA processing Unknown Unknown Unknown YNL222W SSU72 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0386716741062674 0.0250719790041176 257 Phosphatase and transcription/RNA-processing factor; associates with TFIIB and cleavage/polyadenylation factor Pta1p; exhibits phosphatase activity on serine-5 and serine-7 of the RNA polymerase II C-terminal domain; affects start site selection and transcriptional read through in vivo transcription initiation from RNA polymerase II promoter|mRNA 3'-end processing|mRNA cleavage|termination of RNA polymerase II transcription|termination of RNA polymerase II transcription, poly(A)-coupled|transcription antitermination|transcriptional start site selection at RNA polymerase II promoter|dephosphorylation of RNA polymerase II C-terminal domain|termination of RNA polymerase II transcription, exosome-dependent|snoRNA transcription|transcription elongation from RNA polymerase II promoter protein tyrosine phosphatase activity|phosphoprotein phosphatase activity|CTD phosphatase activity mRNA cleavage and polyadenylation specificity factor complex|nucleus YKR062W TFA2 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0385328855240974 0.0257088965674544 258 TFIIE small subunit, involved in RNA polymerase II transcription initiation transcription from RNA polymerase II promoter single-stranded DNA binding|RNA polymerase II core binding|TFIIH-class transcription factor binding transcription factor TFIIE complex YDL175C AIR2 hom FT RNA PROCESSING|NUCLEUS 0.0385043393461861 0.0257082466382597 259 RNA-binding subunit of the TRAMP nuclear RNA surveillance complex; involved in nuclear RNA processing and degradation; involved in TRAMP complex assembly as a bridge between Mtr4p and Trf4p; stimulates the poly(A) polymerase activity of Pap2p in vitro; has 5 zinc knuckle motifs; AIR2 has a paralog, AIR1, that arose from the whole genome duplication nuclear polyadenylation-dependent CUT catabolic process|nuclear mRNA surveillance of mRNA 3'-end processing|nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent snoRNA catabolic process|nuclear polyadenylation-dependent rRNA catabolic process|nuclear polyadenylation-dependent snRNA catabolic process|ncRNA polyadenylation|tRNA modification polynucleotide adenylyltransferase activity|RNA binding|protein binding, bridging nucleolus|TRAMP complex YLL049W LDB18 hom FT CELL CYCLE|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0384799604602279 0.025802099367904 260 Component of the dynactin complex, which is required for dynein activity; null mutant exhibits defects in nuclear migration and spindle orientation and has reduced affinity for alcian blue dye; has homology to mammalian dynactin subunit p24 establishment of mitotic spindle orientation molecular_function dynactin complex|cell cortex|spindle pole body|astral microtubule YDL044C MTF2 hom FT RNA PROCESSING|TRANSLATION|MITOCHONDRION 0.0384650440040173 0.0258596699912462 261 Mitochondrial matrix protein that interacts with an N-terminal region of mitochondrial RNA polymerase (Rpo41p) and couples RNA processing and translation to transcription cytoplasmic translation|mRNA processing RNA binding mitochondrion YIL163C_p YIL163C hom 0.0383816184191407 0.0261837053218643 262 Protein of unknown function; mRNA identified as translated by ribosome profiling data biological_process molecular_function cellular_component YBR202W MCM7 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0383187752891957 0.026430106676061 263 Component of the heterohexameric MCM2-7 complex, which primes origins of DNA replication in G1 and becomes an active ATP-dependent helicase that promotes DNA melting and elongation in S-phase; forms an Mcm4p-6p-7p subcomplex S phase of mitotic cell cycle|regulation of transcription from RNA polymerase II promoter|DNA replication initiation|DNA strand elongation involved in DNA replication|DNA unwinding involved in replication|pre-replicative complex assembly|double-strand break repair via break-induced replication|chromatin silencing at silent mating-type cassette|chromatin silencing at telomere DNA replication origin binding|single-stranded DNA-dependent ATPase activity|transcription cofactor activity|single-stranded DNA binding|ATP-dependent 3'-5' DNA helicase activity|ATP binding|four-way junction helicase activity|DNA helicase activity|chromatin binding replication fork protection complex|DNA replication preinitiation complex|nucleus|pre-replicative complex|cytoplasm|MCM complex YNL094W APP1 hom FT CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0382620506168405 0.0266542351579731 264 Phosphatidate phosphatase, converts phosphatidate to diacylglycerol; App1p, Pah1p, Dpp1p, and Lpp1p are responsible for all the phosphatidate phosphatase activity; component of cortical actin patches; interacts with components of endocytic pathway actin cytoskeleton organization molecular_function actin cytoskeleton|actin cortical patch YCR084C TUP1 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|LIPID METABOLISM|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0382582916664949 0.0266691451842594 265 General repressor of transcription, forms complex with Cyc8p, involved in the establishment of repressive chromatin structure through interactions with histones H3 and H4, appears to enhance expression of some genes nucleosome positioning|regulation of transcription from RNA polymerase II promoter in response to osmotic stress|histone exchange|negative regulation of mating-type specific transcription from RNA polymerase II promoter|negative regulation of transcription from RNA polymerase II promoter by glucose|negative regulation of dipeptide transport by negative regulation of transcription from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter in response to hypoxia|negative regulation of transcription from RNA polymerase II promoter during mitosis|Unknown ubiquitin binding|histone deacetylase binding|histone binding|phosphatidylinositol-3,5-bisphosphate binding|RNA polymerase II transcription factor binding transcription factor activity involved in negative regulation of transcription|mediator complex binding nucleus|transcriptional repressor complex YER068C-A_d YER068C-A hom 0.0381939033486267 0.026994047161922 266 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGR286C BIO2 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0380348480285155 0.0277076526376608 267 Biotin synthase, catalyzes the conversion of dethiobiotin to biotin, which is the last step of the biotin biosynthesis pathway; complements E. coli bioB mutant biotin biosynthetic process biotin synthase activity mitochondrion YDR444W_p YDR444W hom FT LIPID METABOLISM 0.0379873782401144 0.0277628656126888 268 Putative hydrolase acting on ester bonds biological_process molecular_function cytoplasm YJL060W BNA3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0379854618065111 0.0277707382527835 269 Kynurenine aminotransferase, catalyzes formation of kynurenic acid from kynurenine; potential Cdc28p substrate kynurenic acid biosynthetic process arylformamidase activity|kynurenine-oxoglutarate transaminase activity mitochondrion|cytoplasm YAR035C-A_p YAR035C-A hom 0.0379807254462369 0.0277902033043483 270 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching; predicted to have a role in cell budding based on computational guilt by association analysis biological_process molecular_function cellular_component YGR208W SER2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0379622831447994 0.0279594955451237 271 Phosphoserine phosphatase of the phosphoglycerate pathway, involved in serine and glycine biosynthesis, expression is regulated by the available nitrogen source L-serine biosynthetic process phosphoserine phosphatase activity nucleus|cytoplasm YLR247C IRC20 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.0378733338310862 0.0282347179409728 272 Putative helicase; localizes to the mitochondrion and the nucleus; YLR247C is not an essential gene; null mutant displays increased levels of spontaneous Rad52p foci double-strand break repair via synthesis-dependent strand annealing helicase activity mitochondrion|nucleus YER077C_p YER077C hom FT MITOCHONDRION 0.0377753129815853 0.0286457775576751 273 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the mitochondrion; null mutation results in a decrease in plasma membrane electron transport biological_process molecular_function mitochondrion YJL130C URA2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0377030159886085 0.0289522532858474 274 Bifunctional carbamoylphosphate synthetase (CPSase)-aspartate transcarbamylase (ATCase), catalyzes the first two enzymatic steps in the de novo biosynthesis of pyrimidines; both activities are subject to feedback inhibition by UTP glutamine metabolic process|'de novo' pyrimidine nucleobase biosynthetic process|negative regulation of pyrimidine nucleobase metabolic process aspartate carbamoyltransferase activity|carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity mitochondrion|integral to membrane|cytoplasm YDR303C RSC3 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0376078496705849 0.030069120510287 275 Component of the RSC chromatin remodeling complex; essential gene required for maintenance of proper ploidy and regulation of ribosomal protein genes and the cell wall/stress response; highly similar to Rsc30p nucleosome positioning|ATP-dependent chromatin remodeling|regulation of cell cycle|nucleosome disassembly|regulation of DNA replication involved in S phase|regulation of transcription, DNA-dependent|G1/S transition of mitotic cell cycle|G2/M transition of mitotic cell cycle|transcription elongation from RNA polymerase II promoter sequence-specific DNA binding|DNA translocase activity|DNA binding RSC complex|nucleus YDR194C MSS116 hom FT RNA PROCESSING|TRANSLATION|MITOCHONDRION 0.0376068414366095 0.029388482171541 276 DEAD-box protein required for efficient splicing of mitochondrial Group I and II introns; non-polar RNA helicase that also facilities strand annealing RNA folding|Group I intron splicing|Group II intron splicing RNA binding|RNA strand annealing activity|ATP-dependent RNA helicase activity mitochondrion|mitochondrial matrix YPL204W HRR25 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|RESPONSE TO DNA DAMAGE|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION|NUCLEUS|SITE OF POLARIZED GROWTH|P 0.0374862781068929 0.0298879946980209 277 Protein kinase involved in regulating diverse events including vesicular trafficking, DNA repair, and chromosome segregation; binds the CTD of RNA pol II; homolog of mammalian casein kinase 1delta (CK1delta) ribosomal small subunit biogenesis|DNA repair|mitosis|ER to Golgi vesicle-mediated transport|protein phosphorylation|attachment of spindle microtubules to kinetochore involved in homologous chromosome segregation|tRNA wobble uridine modification protein serine/threonine kinase activity|protein kinase activity chromosome, centromeric region|plasma membrane|nucleus|spindle pole body|monopolin complex|cellular bud neck|cellular bud tip YPR167C MET16 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.0374687776292004 0.0299646724084462 278 3'-phosphoadenylsulfate reductase, reduces 3'-phosphoadenylyl sulfate to adenosine-3',5'-bisphosphate and free sulfite using reduced thioredoxin as cosubstrate, involved in sulfate assimilation and methionine metabolism sulfate assimilation, phosphoadenylyl sulfate reduction by phosphoadenylyl-sulfate reductase (thioredoxin)|sulfur amino acid metabolic process phosphoadenylyl-sulfate reductase (thioredoxin) activity cytoplasm YDR337W MRPS28 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.037468202711892 0.0299916929468515 279 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome|RNA binding mitochondrion|mitochondrial small ribosomal subunit YAL060W BDH1 hom FT OXIDATION-REDUCTION PROCESS 0.0374166881519516 0.0301939015914554 280 NAD-dependent (R,R)-butanediol dehydrogenase, catalyzes oxidation of (R,R)-2,3-butanediol to (3R)-acetoin, oxidation of meso-butanediol to (3S)-acetoin, and reduction of acetoin; enhances use of 2,3-butanediol as an aerobic carbon source alcohol metabolic process|butanediol biosynthetic process (R,R)-butanediol dehydrogenase activity cytoplasm YER076C_p YER076C hom FT MITOCHONDRION 0.0374103901594928 0.0302217188501562 281 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; analysis of HA-tagged protein suggests a membrane localization biological_process molecular_function mitochondrion YGL089C MF(ALPHA)2 hom FT SIGNALING 0.0373933164775962 0.03029724140901 282 Mating pheromone alpha-factor, made by alpha cells; interacts with mating type a cells to induce cell cycle arrest and other responses leading to mating; also encoded by MF(ALPHA)1, which is more highly expressed than MF(ALPHA)2 pheromone-dependent signal transduction involved in conjugation with cellular fusion mating pheromone activity extracellular region YNL076W MKS1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|NUCLEUS 0.0372711378358912 0.0308424225680327 283 Pleiotropic negative transcriptional regulator involved in Ras-CAMP and lysine biosynthetic pathways and nitrogen regulation; involved in retrograde (RTG) mitochondria-to-nucleus signaling regulation of nitrogen utilization|negative regulation of transcription from RNA polymerase II promoter|Unknown|mitochondria-nucleus signaling pathway molecular_function cytoplasm YHR031C RRM3 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|NUCLEUS|CHROMOSOME 0.0372063042135648 0.0313115452935214 284 DNA helicase involved in rDNA replication and Ty1 transposition; relieves replication fork pauses at telomeric regions; structurally and functionally related to Pif1p mitochondrial genome maintenance|replication fork progression beyond termination site|DNA replication ATP-dependent DNA helicase activity|DNA helicase activity nuclear telomeric heterochromatin|replication fork YFL021W GAT1 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0371567256303772 0.0313605602353395 285 Transcriptional activator of genes involved in nitrogen catabolite repression; contains a GATA-1-type zinc finger DNA-binding motif; activity and localization regulated by nitrogen limitation and Ure2p nitrogen catabolite activation of transcription from RNA polymerase II promoter|nitrogen catabolite activation of transcription sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription|RNA polymerase II transcription factor binding transcription factor activity cytosol|nucleus YDR168W CDC37 het FT CELL CYCLE|SIGNALING|CELL DIVISION|CYTOSKELETON ORGANIZATION 0.0371389366246337 0.0314417879782556 286 Essential Hsp90p co-chaperone; necessary for passage through the START phase of the cell cycle; stabilizes protein kinase nascent chains and participates along with Hsp90p in their folding regulation of stress-activated MAPK cascade|regulation of cell cycle|MAPK cascade involved in osmosensory signaling pathway|protein stabilization|spindle pole body duplication associated with nuclear envelope unfolded protein binding cytoplasm YGR189C CRH1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0370620108297382 0.0317951247473173 287 Chitin transglycosylase that functions in the transfer of chitin to beta(1-6) and beta(1-3) glucans in the cell wall; similar and functionally redundant to Utr2; localizes to sites of polarized growth; expression induced by cell wall stress fungal-type cell wall organization|cell wall chitin metabolic process transferase activity, transferring glycosyl groups incipient cellular bud site|fungal-type cell wall YJL046W AIM22 hom FT MITOCHONDRION 0.0369741046474484 0.0322030579368241 288 Putative lipoate-protein ligase, required along with Lip2 and Lip5 for lipoylation of Lat1p and Kgd2p; similar to E. coli LplA; null mutant displays reduced frequency of mitochondrial genome loss protein lipoylation lipoate-protein ligase activity mitochondrion YDL132W CDC53 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0369239426077137 0.032463681002579 289 Cullin, structural protein of SCF complexes (which also contain Skp1p, Cdc34p, Hrt1p and an F-box protein) involved in ubiquitination; SCF promotes the G1-S transition by targeting G1 cyclins and the Cln-CDK inhibitor Sic1p for degradation SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|G2/M transition of mitotic cell cycle|protein ubiquitination involved in ubiquitin-dependent protein catabolic process|G1/S transition of mitotic cell cycle ubiquitin-protein ligase activity|DNA replication origin binding|protein binding, bridging SCF ubiquitin ligase complex YCR071C IMG2 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0368717508208001 0.0328398300238338 290 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YGR169C PUS6 hom FT RNA PROCESSING|MITOCHONDRION 0.0368180798023922 0.0329381432423101 291 tRNA:pseudouridine synthase, catalyzes the conversion of uridine to pseudouridine at position 31 in cytoplasmic and mitochondrial tRNAs; mutation of Asp168 to Ala abolishes enzyme activity; not essential for viability tRNA pseudouridine synthesis pseudouridine synthase activity mitochondrion|cytoplasm YNL336W COS1 hom 0.0367917574245213 0.0330635617600335 292 Protein of unknown function, member of the DUP380 subfamily of conserved, often subtelomerically-encoded proteins biological_process molecular_function integral to membrane|fungal-type vacuole YLL052C AQY2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0367181661917358 0.0334163727257338 293 Water channel that mediates the transport of water across cell membranes, only expressed in proliferating cells, controlled by osmotic signals, may be involved in freeze tolerance; disrupted by a stop codon in many S. cerevisiae strains water transport water channel activity plasma membrane|endoplasmic reticulum membrane YJL035C TAD2 het FT RNA PROCESSING|NUCLEUS 0.0366881269109117 0.0335613095648886 294 Subunit of tRNA-specific adenosine-34 deaminase, forms a heterodimer with Tad3p that converts adenosine to inosine at the wobble position of several tRNAs tRNA modification tRNA-specific adenosine deaminase activity nucleus|cytoplasm YPR099C_d YPR099C hom 0.0366435569809111 0.0339103034768079 295 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene MRPL51/YPR100W Unknown Unknown Unknown YOL119C MCH4 hom 0.03661894113088 0.033897170534214 296 Protein with similarity to mammalian monocarboxylate permeases, which are involved in transport of monocarboxylic acids across the plasma membrane; mutant is not deficient in monocarboxylate transport transport monocarboxylic acid transmembrane transporter activity|transporter activity fungal-type vacuole membrane|integral to membrane YJL135W_d YJL135W hom 0.03657702521916 0.0341020445176205 297 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified genes YJL134W/LCB3 Unknown Unknown Unknown YLR317W_d YLR317W het 0.0364995323384272 0.0345913890982006 298 Dubious open reading frame; may be part of a bicistronic transcript with NKP2/YLR315W; overlaps the verified ORF TAD3/YLR316C Unknown Unknown Unknown YPR170C_d YPR170C hom 0.0364345801574252 0.0348062035233315 299 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the dubious ORFs YPR169W-A and YPR170W-B Unknown Unknown Unknown YOL144W NOP8 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0363301901465364 0.0354670651302799 300 Nucleolar protein required for 60S ribosomal subunit biogenesis ribosomal large subunit biogenesis molecular_function nucleolus YJR010C-A SPC1 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.036292948185373 0.0355186107329537 301 Subunit of the signal peptidase complex (SPC); SPC cleaves the signal sequence from proteins targeted to the endoplasmic reticulum (ER); homolog of the SPC12 subunit of mammalian signal peptidase complex; protein abundance increases in response to DNA replication stress signal peptide processing|protein targeting to ER molecular_function signal peptidase complex YJR007W SUI2 het FF|FT TRANSLATION|RIBOSOME 0.0362860348895374 0.0356361620475845 302 Alpha subunit of the translation initiation factor eIF2; eIF2 is involved in identification of the start codon; phosphorylation of Ser51 is required for regulation of translation by inhibiting the exchange of GDP for GTP; protein abundance increases in response to DNA replication stress translational initiation translation initiation factor activity ribosome|multi-eIF complex|eukaryotic translation initiation factor 2 complex|cytoplasm YGR260W TNA1 hom FT MITOCHONDRION|PLASMA MEMBRANE 0.0362315546232667 0.0358312616956394 303 High affinity nicotinic acid plasma membrane permease, responsible for uptake of low levels of nicotinic acid; expression of the gene increases in the absence of extracellular nicotinic acid or para-aminobenzoate (PABA) nicotinamide mononucleotide transport nicotinamide mononucleotide transmembrane transporter activity mitochondrion|integral to membrane|integral to plasma membrane YNL057W_d YNL057W hom 0.0361935503920648 0.0360259740953435 304 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YCL028W RNQ1 hom FT NUCLEUS 0.0361582820319605 0.0362074754114427 305 [PIN(+)] prion, an infectious protein conformation that is generally an ordered protein aggregate biological_process molecular_function cytosol YLR260W LCB5 hom FT LIPID METABOLISM|SIGNALING|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0361251200404253 0.0367430790186868 306 Minor sphingoid long-chain base kinase, paralog of Lcb4p responsible for few percent of the total activity, possibly involved in synthesis of long-chain base phosphates, which function as signaling molecules response to heat|calcium-mediated signaling|sphingolipid metabolic process D-erythro-sphingosine kinase activity Golgi apparatus|membrane YLR373C VID22 hom FT PROTEIN LOCALIZATION|NUCLEUS|PLASMA MEMBRANE 0.0360390714142084 0.0368267464351087 307 Glycosylated integral membrane protein localized to the plasma membrane; plays a role in fructose-1,6-bisphosphatase (FBPase) degradation; involved in FBPase transport from the cytosol to Vid (vacuole import and degradation) vesicles vacuolar protein catabolic process molecular_function integral to plasma membrane YMR189W GCV2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0359423453667922 0.0374778578125422 308 P subunit of the mitochondrial glycine decarboxylase complex, required for the catabolism of glycine to 5,10-methylene-THF; expression is regulated by levels of 5,10-methylene-THF in the cytoplasm glycine decarboxylation via glycine cleavage system|one-carbon metabolic process glycine dehydrogenase (decarboxylating) activity mitochondrion|glycine cleavage complex YBR163W EXO5 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0357804400813444 0.0382013339254887 309 Mitochondrial 5'-3' exonuclease and sliding exonuclease, required for mitochondrial genome maintenance; distantly related to the RecB nuclease domain of bacterial RecBCD recombinases; may be regulated by the transcription factor Ace2 mitochondrial genome maintenance single-stranded DNA specific 5'-3' exodeoxyribonuclease activity mitochondrion YMR070W MOT3 hom FT TRANSCRIPTION FROM RNA POL II|LIPID METABOLISM|NUCLEUS 0.035739133244273 0.0384248627150636 310 Transcriptional repressor and activator with two C2-H2 zinc fingers; involved in repression of a subset of hypoxic genes by Rox1p, repression of several DAN/TIR genes during aerobic growth, and repression of ergosterol biosynthetic genes in response to hyperosmotic stress; contributes to recruitment of the Tup1p-Cyc8p general repressor to promoters; involved in positive transcriptional regulation of CWP2 and other genes; can form the [MOT3+] prion cellular hyperosmotic response|negative regulation of transcription from RNA polymerase II promoter|negative regulation of ergosterol biosynthetic process|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II repressing transcription factor binding|RNA polymerase II activating transcription factor binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding nucleus YNL182C IPI3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0357386104856999 0.0384276986887323 311 Component of the Rix1 complex (Rix1p-Ipi1p-Ipi3p) and pre-replicative complexes (pre-RCs); required for processing of ITS2 sequences from 35S pre-rRNA; component of the pre-60S ribosomal particle with the dynein-related AAA-type ATPase Mdn1p; required for pre-RC formation and maintenance during DNA replication licensing; highly conserved protein which contains several WD40 motifs; IPI3 is an essential gene ribosomal large subunit assembly|rRNA processing molecular_function nucleoplasm|nucleus YHR124W NDT80 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS|CHROMOSOME 0.0357370679470189 0.0384360680224957 312 Meiosis-specific transcription factor required for exit from pachytene and for full meiotic recombination; activates middle sporulation genes; competes with Sum1p for binding to promoters containing middle sporulation elements (MSE) meiosis|transcription, DNA-dependent sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nuclear chromosome YFL014W HSP12 hom FT MEMBRANE ORGANIZATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|PLASMA MEMBRANE 0.0357262800986997 0.038494642821695 313 Plasma membrane protein involved in maintaining membrane organization in stress conditions; induced by heat shock, oxidative stress, osmostress, stationary phase, glucose depletion, oleate and alcohol; protein abundance increased in response to DNA replication stress and dietary restriction; regulated by the HOG and Ras-Pka pathways; required for dietary restriction-induced lifespan extension cellular response to oxidative stress|cell adhesion|plasma membrane organization|cellular response to osmotic stress|cellular response to heat lipid binding cytosol|endosome|nucleus|plasma membrane|cytoplasm YDL200C MGT1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0357110445893513 0.0386644886677349 314 DNA repair methyltransferase (6-O-methylguanine-DNA methylase) involved in protection against DNA alkylation damage DNA dealkylation involved in DNA repair methylated-DNA-[protein]-cysteine S-methyltransferase activity nucleus YJL188C_d BUD19 hom 0.0356935673411268 0.0386727271894322 315 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 88% of ORF overlaps the verified gene RPL39; diploid mutant displays a weak budding pattern phenotype in a systematic assay Unknown Unknown Unknown YGR215W RSM27 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0356500432556812 0.0389107516073097 316 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YPR165W RHO1 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CARBOHYDRATE METABOLISM|CYTOSKELETON ORGANIZATION|MITOCHONDRION|GOLGI APPARATUS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0355620126069291 0.0393959774081107 317 GTP-binding protein of the rho subfamily of Ras-like proteins, involved in establishment of cell polarity; regulates protein kinase C (Pkc1p) and the cell wall synthesizing enzyme 1,3-beta-glucan synthase (Fks1p and Gsc2p) regulation of fungal-type cell wall (1->3)-alpha-glucan biosynthetic process|regulation of fungal-type cell wall organization|positive regulation of endocytosis|budding cell bud growth|small GTPase mediated signal transduction|regulation of protein localization|positive regulation of protein kinase C signaling cascade|actin cytoskeleton organization|regulation of vacuole fusion, non-autophagic|actin cytoskeleton reorganization|regulation of exocyst localization|regulation of cell size GTPase activity|signal transducer activity incipient cellular bud site|mitochondrion|Golgi apparatus|peroxisome|cellular bud neck|cellular bud tip|mitochondrial outer membrane|1,3-beta-D-glucan synthase complex|plasma membrane|mating projection tip YOR317W FAA1 hom FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0355330336138863 0.0395568291526329 318 Long chain fatty acyl-CoA synthetase; activates imported fatty acids with a preference for C12:0-C16:0 chain lengths; functions in long chain fatty acid import; accounts for most acyl-CoA synthetase activity; localized to lipid particles; involved in sphingolipid-to-glycerolipid metabolism; forms ER foci upon DNA replication stress; FAA1 has a paralog, FAA4, that arose from the whole genome duplication long-chain fatty acid transport|long-chain fatty-acyl-CoA metabolic process long-chain fatty acid-CoA ligase activity mitochondrial outer membrane|mitochondrion|lipid particle|plasma membrane YPL118W MRP51 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.035508564731949 0.0397225966387545 319 Mitochondrial ribosomal protein of the small subunit; MRP51 exhibits genetic interactions with mutations in the COX2 and COX3 mRNA 5'-untranslated leader sequences mitochondrial translational initiation|mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YLL036C PRP19 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.0354929926186982 0.0397799985941153 320 Splicing factor associated with the spliceosome; contains a U-box, a motif found in a class of ubiquitin ligases, and a WD40 domain generation of catalytic spliceosome for first transesterification step ubiquitin-protein ligase activity|first spliceosomal transesterification activity mitochondrion|nucleus|Prp19 complex|cytoplasm|U2-type catalytic step 1 spliceosome YOL061W PRS5 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM 0.0354851781978458 0.039823676772954 321 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase; synthesizes PRPP, which is required for nucleotide, histidine, and tryptophan biosynthesis; one of five related enzymes, which are active as heteromultimeric complexes; forms cytoplasmic foci upon DNA replication stress fungal-type cell wall organization|5-phosphoribose 1-diphosphate biosynthetic process ribose phosphate diphosphokinase activity cytoplasm YBR085C-A YBR085C-A hom FT NUCLEUS 0.0354688853366903 0.0399148754489391 322 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and to the nucleus; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus|cytoplasm YGL234W ADE5,7 hom FT NUCLEOTIDE METABOLISM 0.0354577018936605 0.039977576807961 323 Bifunctional enzyme of the 'de novo' purine nucleotide biosynthetic pathway, contains aminoimidazole ribotide synthetase and glycinamide ribotide synthetase activities purine nucleobase metabolic process|purine nucleotide biosynthetic process|'de novo' IMP biosynthetic process phosphoribosylamine-glycine ligase activity|phosphoribosylformylglycinamidine cyclo-ligase activity cytoplasm YLL033W IRC19 hom 0.035408995237265 0.0402516316064231 324 Putative protein of unknown function; YLL033W is not an essential gene but mutant is defective in spore formation; null mutant displays increased levels of spontaneous Rad52p foci mitotic recombination|ascospore formation molecular_function cellular_component YDL145C COP1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0353812701827705 0.0404083405780071 325 Alpha subunit of COPI vesicle coatomer complex, which surrounds transport vesicles in the early secretory pathway retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport ubiquitin binding COPI vesicle coat YDR507C GIN4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH 0.0353179318332643 0.0407682857448202 326 Protein kinase involved in bud growth and assembly of the septin ring; proposed to have kinase-dependent and kinase-independent activities; undergoes autophosphorylation; similar to Hsl1p; GIN4 has a paralog, KCC4, that arose from the whole genome duplication protein autophosphorylation|budding cell bud growth|protein phosphorylation|septin checkpoint|septin ring assembly protein kinase activity cellular bud neck YMR154C RIM13 hom FF|FT ION HOMEOSTASIS|PROTEOLYSIS|ION HOMEOSTASIS 0.0352461622539849 0.0415131875939431 327 Calpain-like cysteine protease; involved in proteolytic activation of Rim101p in response to alkaline pH; localizes to punctate structures in alkaline conditions and in vps4 mutant; has similarity to A. nidulans palB protein processing cysteine-type endopeptidase activity cellular_component YNL023C FAP1 hom FT NUCLEUS 0.0352308948224977 0.0412673358479961 328 Protein that binds to Fpr1p, conferring rapamycin resistance by competing with rapamycin for Fpr1p binding; accumulates in the nucleus upon treatment of cells with rapamycin; has similarity to D. melanogaster shuttle craft and human NFX1 biological_process sequence-specific DNA binding transcription factor activity cytoplasm YEL022W GEA2 hom FT VESICLE-MEDIATED TRANSPORT|SIGNALING|CYTOSKELETON ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|GOLGI APPARATUS 0.0351104707351915 0.0419663408640077 329 Guanine nucleotide exchange factor for ADP ribosylation factors (ARFs); involved in vesicular transport between the Golgi and ER, Golgi organization, and actin cytoskeleton organization; GEA2 has a paralog, GEA1, that arose from the whole genome duplication retrograde vesicle-mediated transport, Golgi to ER|secretory granule organization|ER to Golgi vesicle-mediated transport|macroautophagy|intra-Golgi vesicle-mediated transport|actin cytoskeleton organization ARF guanyl-nucleotide exchange factor activity integral to membrane|Golgi cis cisterna|extrinsic to membrane YDL241W_p YDL241W hom 0.0349843023955719 0.0427094062400969 330 Putative protein of unknown function; YDL241W is not an essential gene biological_process molecular_function cellular_component YDR020C_p DAS2 hom FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0349718412735532 0.0427833954014431 331 Putative protein of unknown function; non-essential gene identified in a screen for mutants with increased levels of rDNA transcription; weak similarity with uridine kinases and with phosphoribokinases biological_process molecular_function nucleus|cytoplasm YIL025C_d YIL025C hom 0.0349387753996401 0.042980252593129 332 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL051W ARL3 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.03492857320366 0.0430411454903709 333 GTPase of the Ras superfamily required to recruit Arl1p to the Golgi; similar to ADP-ribosylation factor intracellular protein transport|Golgi to plasma membrane protein transport|protein localization to organelle GTPase activity Golgi apparatus|nuclear outer membrane-endoplasmic reticulum membrane network YDR458C HEH2 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS 0.0349085813773737 0.0433166653988595 334 Inner nuclear membrane (INM) protein; contains helix-extension-helix (HEH) motif, nuclear localization signal sequence; targeting to the INM requires the Srp1p-Kap95p karyopherins and the Ran cycle biological_process molecular_function nuclear envelope YDR237W MRPL7 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0349063257922319 0.0431741843342065 335 Mitochondrial ribosomal protein of the large subunit; MRPL7 produces both YmL5 and YmL7, which are two different modified forms of the same protein mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YER003C PMI40 het FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEUS 0.0348792103156725 0.0433368035780475 336 Mannose-6-phosphate isomerase, catalyzes the interconversion of fructose-6-P and mannose-6-P; required for early steps in protein mannosylation protein glycosylation|cell wall mannoprotein biosynthetic process|GDP-mannose biosynthetic process mannose-6-phosphate isomerase activity nucleus|cytoplasm YLR368W MDM30 hom FT MEMBRANE ORGANIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|RNA LOCALIZATION|MITOCHONDRION|UBIQUITIN LIGASE COMPLEX 0.0348790826275212 0.0433375705823107 337 F-box component of an SCF ubiquitin protein ligase complex; associates with and is required for Fzo1p ubiquitination and for mitochondria fusion; stimulates nuclear export of specific mRNAs; promotes ubiquitin-mediated degradation of Gal4p in some strains SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|chronological cell aging|proteolysis involved in cellular protein catabolic process|mitochondrion organization|protein ubiquitination involved in ubiquitin-dependent protein catabolic process|regulation of mRNA export from nucleus|mitochondrial fusion ubiquitin-protein ligase activity mitochondrion|SCF ubiquitin ligase complex YDL164C CDC9 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.034719322646119 0.0443062484760539 338 DNA ligase found in the nucleus and mitochondria, an essential enzyme that joins Okazaki fragments during DNA replication; also acts in nucleotide excision repair, base excision repair, and recombination lagging strand elongation|base-excision repair|mitotic cell cycle|DNA ligation|DNA recombination|nucleotide-excision repair DNA ligase (ATP) activity mitochondrion|nucleus|replication fork YOR233W KIN4 hom FT CELL CYCLE|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0346572674378927 0.0448468743086919 339 Serine/threonine protein kinase; inhibits the mitotic exit network (MEN) when the spindle position checkpoint is activated; localized asymmetrically to mother cell cortex, spindle pole body and bud neck; KIN4 has a paralog, FRK1, that arose from the whole genome duplication mitotic cell cycle spindle orientation checkpoint|protein phosphorylation protein serine/threonine kinase activity|protein kinase activity cell cortex|spindle pole body|cellular bud neck YJR095W SFC1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0345057393006185 0.0457589747243311 340 Mitochondrial succinate-fumarate transporter, transports succinate into and fumarate out of the mitochondrion; required for ethanol and acetate utilization succinate transport|fumarate transport succinate:fumarate antiporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YDR285W ZIP1 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0344971362934896 0.0456837518978347 341 Transverse filament protein of the synaptonemal complex; required for normal levels of meiotic recombination and pairing between homologous chromosome during meiosis; potential Cdc28p substrate synapsis|reciprocal meiotic recombination chromatin binding|SUMO polymer binding transverse filament YOR150W MRPL23 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0344724825385689 0.0458387990572356 342 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YMR199W CLN1 hom FT CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0344419340312061 0.0460639813616606 343 G1 cyclin involved in regulation of the cell cycle; activates Cdc28p kinase to promote the G1 to S phase transition; late G1 specific expression depends on transcription factor complexes, MBF (Swi6p-Mbp1p) and SBF (Swi6p-Swi4p) regulation of cyclin-dependent protein kinase activity cyclin-dependent protein kinase regulator activity nucleus|cytoplasm YKL148C SDH1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0344216263759688 0.0461600328703136 344 Flavoprotein subunit of succinate dehydrogenase; couples the oxidation of succinate to the transfer of electrons to ubiquinone as part of the TCA cycle and the mitochondrial respiratory chain; FAD binding to Sdh1p is required for the assembly of the succinate dehydrogenase subunits cellular respiration|mitochondrial electron transport, succinate to ubiquinone|tricarboxylic acid cycle succinate dehydrogenase (ubiquinone) activity|flavin adenine dinucleotide binding mitochondrial respiratory chain complex II|mitochondrion|mitochondrial membrane YGR187C HGH1 hom 0.0342762027356498 0.0471219923445967 345 Nonessential protein of unknown function; predicted to be involved in ribosome biogenesis; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; similar to mammalian BRP16 (Brain protein 16); relative distribution to the nucleus increases upon DNA replication stress biological_process molecular_function cytoplasm YDR462W MRPL28 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0342696731748665 0.0471311571537024 346 Mitochondrial ribosomal protein of the large subunit; protein abundance increases in response to DNA replication stress mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YOR186W_p YOR186W hom 0.0342241417139064 0.0474254695008481 347 Putative protein of unknown function; proper regulation of expression during heat stress is sphingolipid-dependent; YOR186W has a paralog, YLR297W, that arose from the whole genome duplication biological_process molecular_function cellular_component YDR076W RAD55 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0342022910257 0.047567258503445 348 Protein that stimulates strand exchange by stabilizing the binding of Rad51p to single-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; forms heterodimer with Rad57p DNA recombinase assembly|heteroduplex formation|meiotic DNA recombinase assembly|double-strand break repair via single-strand annealing DNA-dependent ATPase activity|protein heterodimerization activity nucleus|Rhp55-Rhp57 complex YKR100C SKG1 hom FT CELL WALL ORG/BIOGENESIS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0341596932908544 0.0478779449481512 349 Transmembrane protein with a role in cell wall polymer composition; localizes on the inner surface of the plasma membrane at the bud and in the daughter cell fungal-type cell wall organization molecular_function incipient cellular bud site|cellular bud|cellular bud tip YMR290W-A_d YMR290W-A het FF 0.0341481042668285 0.0479204138324566 350 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; overlaps 5' end of essential HAS1 gene which encodes an ATP-dependent RNA helicase Unknown Unknown Unknown YPR197C_d YPR197C hom FF 0.0340918457698444 0.0482893991649947 351 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL235W RVB2 het FF|FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.034042025787016 0.0488874745925932 352 ATP-dependent DNA helicase, also known as reptin; member of the AAA+ and RuvB protein families, similar to Rvb1p; conserved component of multiple complexes including the INO80 complex, the Swr1 complex, and the R2TP complex (Rvb1-Rvb2-Tah1-Pih1); involved in multiple processes such as chromatin remodeling, box C/D snoRNP assembly, and RNA polymerase II assembly regulation of transcription from RNA polymerase II promoter|rRNA processing|chromatin remodeling|box C/D snoRNP assembly|histone exchange ATP-dependent 5'-3' DNA helicase activity|ATP-dependent 3'-5' DNA helicase activity nuclear telomeric heterochromatin|ASTRA complex|R2TP complex|Swr1 complex|nucleus|Ino80 complex YPR023C EAF3 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0339904760966012 0.0489602794263725 353 Esa1p-associated factor, nonessential component of the NuA4 acetyltransferase complex, homologous to Drosophila dosage compensation protein MSL3; plays a role in regulating Ty1 transposition DNA repair|histone acetylation|regulation of DNA-dependent DNA replication initiation|negative regulation of antisense RNA transcription|regulation of transcription from RNA polymerase II promoter|negative regulation of transcription, DNA-dependent|transcription elongation from RNA polymerase II promoter|histone deacetylation histone acetyltransferase activity Rpd3S complex|histone acetyltransferase complex|Rpd3L complex|NuA4 histone acetyltransferase complex YHR203C RPS4B hom FT TRANSLATION|RIBOSOME 0.0339837233024126 0.0490052469216619 354 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S4, no bacterial homolog; RPS4B has a paralog, RPS4A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic small ribosomal subunit|90S preribosome YMR011W HXT2 hom FT PLASMA MEMBRANE 0.0339016513237199 0.0495545470991429 355 High-affinity glucose transporter of the major facilitator superfamily, expression is induced by low levels of glucose and repressed by high levels of glucose glucose transport pentose transmembrane transporter activity|mannose transmembrane transporter activity|fructose transmembrane transporter activity|glucose transmembrane transporter activity integral to membrane|plasma membrane YMR227C TAF7 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0338820779243945 0.0496863097305613 356 TFIID subunit (67 kDa), involved in RNA polymerase II transcription initiation RNA polymerase II transcriptional preinitiation complex assembly|transcription from RNA polymerase II promoter RNA polymerase II core promoter sequence-specific DNA binding transcription factor activity involved in preinitiation complex assembly nucleus|transcription factor TFIID complex YDR207C UME6 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|CHROMOSOME 0.0338785984749713 0.049811979708445 357 Key transcriptional regulator of early meiotic genes, binds URS1 upstream regulatory sequence, couples metabolic responses to nutritional cues with initiation and progression of meiosis, forms complex with Ime1p, and also with Sin3p-Rpd3p spore germination|positive regulation of transcription from RNA polymerase II promoter during meiosis|negative regulation of transcription from RNA polymerase II promoter during meiosis|lipid particle organization|nitrogen catabolite repression of transcription from RNA polymerase II promoter|pseudohyphal growth|negative regulation of transcription from RNA polymerase II promoter during mitosis|Unknown RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in negative regulation of transcription|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|repressing transcription factor binding|transcription factor binding transcription factor activity Rpd3L-Expanded complex|Rpd3L complex YHR043C DOG2 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.0338249090898928 0.0500728369700859 358 2-deoxyglucose-6-phosphate phosphatase; member of a family of low molecular weight phosphatases, paralogous to DOG1, induced by oxidative and osmotic stress, confers 2-deoxyglucose resistance when overexpressed glucose metabolic process 2-deoxyglucose-6-phosphatase activity nucleus|cytoplasm YAL030W SNC1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0337786062040232 0.0505596625513719 359 Vesicle membrane receptor protein (v-SNARE); involved in the fusion between Golgi-derived secretory vesicles with the plasma membrane; proposed to be involved in endocytosis; member of the synaptobrevin/VAMP family of R-type v-SNARE proteins; SNC1 has a paralog, SNC2, that arose from the whole genome duplication endocytosis|exocytosis|Golgi to plasma membrane transport|vesicle fusion SNAP receptor activity SNARE complex|trans-Golgi network|endosome|transport vesicle membrane|plasma membrane|cellular bud neck YJR105W ADO1 hom FF|FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0336335448787259 0.0517337079897609 360 Adenosine kinase, required for the utilization of S-adenosylmethionine (AdoMet); may be involved in recycling adenosine produced through the methyl cycle purine nucleobase metabolic process adenosine kinase activity nucleus|cytoplasm YPR027C_p YPR027C hom 0.0335825306047751 0.0517396910502214 361 Putative protein of unknown function biological_process molecular_function cellular_component YGL138C_p YGL138C hom 0.0335794553674674 0.0517611342450273 362 Putative protein of unknown function; has no significant sequence similarity to any known protein biological_process molecular_function cellular_component YDR245W MNN10 hom FT CELL WALL ORG/BIOGENESIS|CELL DIVISION|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0334990398848916 0.0524300059600499 363 Subunit of a Golgi mannosyltransferase complex also containing Anp1p, Mnn9p, Mnn11p, and Hoc1p that mediates elongation of the polysaccharide mannan backbone; membrane protein of the mannosyltransferase family N-glycan processing|cell wall mannoprotein biosynthetic process|substituted mannan metabolic process|barrier septum assembly alpha-1,6-mannosyltransferase activity alpha-1,6-mannosyltransferase complex YOL033W MSE1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0334831723630787 0.052436270741904 364 Mitochondrial glutamyl-tRNA synthetase, predicted to be palmitoylated mitochondrial glutamyl-tRNA aminoacylation|glutamyl-tRNA aminoacylation|mitochondrial translation glutamate-tRNA(Gln) ligase activity|glutamate-tRNA ligase activity mitochondrion YOR254C SEC63 het FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0334240399544442 0.0528545435020264 365 Essential subunit of Sec63 complex (Sec63p, Sec62p, Sec66p and Sec72p); with Sec61 complex, Kar2p/BiP and Lhs1p forms a channel competent for SRP-dependent and post-translational SRP-independent protein targeting and import into the ER posttranslational protein targeting to membrane, translocation|cytosol to ER transport|SRP-dependent cotranslational protein targeting to membrane|posttranslational protein targeting to membrane protein transporter activity mitochondrion|integral to membrane|Sec62/Sec63 complex|endoplasmic reticulum membrane YHL002W HSE1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT 0.0334003642379593 0.0530227931049475 366 Subunit of the endosomal Vps27p-Hse1p complex required for sorting of ubiquitinated membrane proteins into intralumenal vesicles prior to vacuolar degradation, as well as for recycling of Golgi proteins and formation of lumenal membranes late endosome to vacuole transport|protein targeting to vacuole ubiquitin binding endosome|ESCRT-0 complex YIL144W TID3 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0333954502120062 0.0530577702375815 367 Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); conserved coiled-coil protein involved in chromosome segregation, spindle checkpoint activity, kinetochore assembly and clustering microtubule nucleation|chromosome segregation|protein localization to kinetochore structural constituent of cytoskeleton Ndc80 complex|condensed nuclear chromosome kinetochore|condensed nuclear chromosome, centromeric region YGL166W CUP2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.033358268767938 0.0534297766125986 368 Copper-binding transcription factor; activates transcription of the metallothionein genes CUP1-1 and CUP1-2 in response to elevated copper concentrations; CUP2 has a paralog, HAA1, that arose from the whole genome duplication regulation of transcription from RNA polymerase II promoter|response to copper ion RNA polymerase II core promoter proximal region sequence-specific DNA binding|copper ion regulated core promoter proximal region sequence-specific DNA binding RNA polymerase II transcription factor activity|copper ion binding nucleus YMR074C YMR074C hom FT NUCLEUS 0.0332903936195874 0.053810165427153 369 Protein with homology to human PDCD5; PDCD5 is involved in programmed cell death; N-terminal region forms a conserved triple-helix bundle structure; overexpression promotes H2O2-induced apoptosis; YMR074C is not an essential gene; protein abundance increases in response to DNA replication stress apoptotic process molecular_function nucleus|cytoplasm YMR019W STB4 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0332750113695315 0.0539210738119885 370 Putative transcription factor; contains a Zn(II)2Cys6 zinc finger domain characteristic of DNA-binding proteins; computational analysis suggests a role in regulation of expression of genes encoding transporters; binds Sin3p in a two-hybrid assay; biological_process sequence-specific DNA binding|DNA binding nucleus YHR147C MRPL6 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0332638431066924 0.054217060688846 371 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YPR108W RPN7 het FT PROTEOLYSIS|NUCLEUS 0.0332218506794583 0.054413766412973 372 Essential, non-ATPase regulatory subunit of the 26S proteasome, similar to another S. cerevisiae regulatory subunit, Rpn5p, as well as to mammalian proteasome subunits ubiquitin-dependent protein catabolic process structural molecule activity nucleus|proteasome regulatory particle, lid subcomplex YLR423C ATG17 hom FT MEMBRANE ORGANIZATION|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|PEROXISOME ORGANIZATION 0.0331818826253417 0.0545966264100564 373 Scaffold protein responsible for phagophore assembly site organization; regulatory subunit of an autophagy-specific complex that includes Atg1p and Atg13p; stimulates Atg1p kinase activity; human ortholog RB1CC1/FIP200 interacts with p53, which inhibits autophagy in human cells piecemeal microautophagy of nucleus|mitochondrion degradation|peroxisome degradation|activation of protein kinase activity|autophagic vacuole assembly protein kinase activator activity|protein complex scaffold pre-autophagosomal structure|Atg1p signaling complex YDR141C DOP1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|MITOCHONDRION|GOLGI APPARATUS 0.0331441871515025 0.0548720670102048 374 Golgi-localized, leucine-zipper domain containing protein; involved in endosome to Golgi transport, organization of the ER, establishing cell polarity, and morphogenesis; detected in highly purified mitochondria in high-throughput studies endoplasmic reticulum organization|cell morphogenesis|Golgi to endosome transport molecular_function trans-Golgi network|endosome|mitochondrion|cytoplasm YLR067C PET309 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0331254109197144 0.0550096963671159 375 Specific translational activator for the COX1 mRNA, also influences stability of intron-containing COX1 primary transcripts; localizes to the mitochondrial inner membrane; contains seven pentatricopeptide repeats (PPRs) positive regulation of mitochondrial translational initiation|RNA metabolic process|mitochondrial respiratory chain complex IV biogenesis|aerobic respiration translation regulator activity extrinsic to mitochondrial inner membrane|mitochondrion|integral to membrane|mitochondrial inner membrane YJL019W MPS3 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CHROMOSOME|CYTOSKELETON 0.0329824676918645 0.0561035791459199 376 Nuclear envelope protein required for SPB insertion; initiation of SPB duplication and nuclear fusion; acetylation of Mps3p by Eco1p regulates its role in nuclear organization; localizes to the SPB half bridge and at telomeres during meiosis; required with Ndj1p and Csm4p for meiotic bouquet formation and telomere-led rapid prophase movement; N-terminal acetylated by Eco1p meiotic telomere clustering|synapsis|nuclear migration involved in conjugation with cellular fusion|spindle pole body duplication associated with nuclear envelope|telomere tethering at nuclear periphery|mitotic sister chromatid cohesion molecular_function nuclear envelope|nuclear periphery|integral to membrane|nuclear chromosome, telomeric region|half bridge of spindle pole body YMR131C RRB1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0329620112220338 0.0562195996428982 377 Essential nuclear protein involved in early steps of ribosome biogenesis; physically interacts with the ribosomal protein Rpl3p ribosome biogenesis molecular_function nucleolus YJR118C ILM1 hom FF|FT MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0329276186538312 0.0564770628638786 378 Protein of unknown function; may be involved in mitochondrial DNA maintenance; required for slowed DNA synthesis-induced filamentous growth mitochondrial genome maintenance molecular_function integral to membrane|endoplasmic reticulum YGR104C SRB5 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0329027674607192 0.0566637091273804 379 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; essential for transcriptional regulation; required for proper termination of transcription for some genes; involved in telomere maintenance transcriptional open complex formation at RNA polymerase II promoter|RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription from RNA polymerase II promoter core RNA polymerase II binding transcription factor activity|RNA polymerase II transcription factor recruiting transcription factor activity|TBP-class protein binding RNA polymerase II transcription factor activity involved in preinitiation complex assembly core mediator complex YDR524W-C_p YDR524W-C hom 0.0329009365176642 0.0568622036134881 380 Putative protein of unknown function; small ORF identified by SAGE; deletion strains are moderately sensitive to the radiomimetic drug bleomycin biological_process molecular_function cellular_component YGL048C RPT6 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0328748383843093 0.0568740840845862 381 ATPase of the 19S regulatory particle of the 26S proteasome; one of six ATPases of the regulatory particle; involved in the degradation of ubiquitinated substrates; bound by ubiquitin-protein ligases Ubr1p and Ufd4p; localized mainly to the nucleus throughout the cell cycle; protein abundance increases in response to DNA replication stress proteasomal ubiquitin-dependent protein catabolic process|positive regulation of transcription elongation from RNA polymerase II promoter|positive regulation of sequence-specific DNA binding transcription factor activity|nucleotide-excision repair|proteasome regulatory particle assembly|positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|negative regulation of sequence-specific DNA binding transcription factor activity|chromatin remodeling ATPase activity|protein domain specific binding proteasome regulatory particle, base subcomplex|proteasome storage granule|nucleus YGR165W MRPS35 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0328194401713088 0.0575537700533184 382 Mitochondrial ribosomal protein of the small subunit; null mutant does not grow on glycerol, is sensitive to 2,4-dichlorophenol, and accumulates large lipid droplets mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YLR295C ATP14 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0328112593132604 0.0573554148499522 383 Subunit h of the F0 sector of mitochondrial F1F0 ATP synthase; F1F0 ATP synthase is a large, evolutionarily conserved enzyme complex required for ATP synthesis; protein abundance increases in response to DNA replication stress cristae formation|mitochondrial proton-transporting ATP synthase complex assembly|ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism|ATPase activity|proton-transporting ATPase activity, rotational mechanism mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) YIL019W FAF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0327800597667442 0.0576301003227318 384 Protein required for pre-rRNA processing and 40S ribosomal subunit assembly maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleolus|nucleus|cytoplasm YDR535C_d YDR535C hom 0.0327786833735565 0.0576033427318466 385 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YDR535C is not an essential gene. Unknown Unknown Unknown YJL010C NOP9 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0327658178996032 0.0577015038679172 386 Essential subunit of U3-containing 90S preribosome involved in production of 18S rRNA and assembly of small ribosomal subunit; also part of pre-40S ribosome and required for its export into cytoplasm; binds RNA and contains pumilio domain endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal small subunit export from nucleus RNA binding preribosome, small subunit precursor|nucleolus|nucleus|90S preribosome YIL056W VHR1 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0327138357905673 0.0581369812099338 387 Transcriptional activator; required for the vitamin H-responsive element (VHRE) mediated induction of VHT1 (Vitamin H transporter) and BIO5 (biotin biosynthesis intermediate transporter) in response to low biotin concentrations; VHR1 has a paralog, VHR2, that arose from the whole genome duplication regulation of transcription from RNA polymerase II promoter in response to biotin starvation|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II regulatory region sequence-specific DNA binding|sequence-specific transcription regulatory region DNA binding RNA polymerase II transcription factor recruiting transcription factor activity nucleus|cytoplasm YOR366W_d YOR366W hom 0.0327046826691709 0.0581698554880873 388 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YOR365C Unknown Unknown Unknown YDL110C TMA17 hom FT NUCLEUS 0.0326674316215457 0.0587204125260372 389 Protein of unknown function that associates with ribosomes; heterozygous deletion demonstrated increases in chromosome instability in a rad9 deletion background; protein abundance is decreased upon intracellular iron depletion biological_process molecular_function ribosome|nucleus|cytoplasm YJL174W KRE9 het FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0326014048817679 0.0589682274133073 390 Glycoprotein involved in cell wall beta-glucan assembly; null mutation leads to severe growth defects, aberrant multibudded morphology, and mating defects (1->6)-beta-D-glucan metabolic process|fungal-type cell wall organization molecular_function extracellular region YMR211W DML1 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0325167085867061 0.0596297248506004 391 Essential protein involved in mtDNA inheritance, may also function in the partitioning of the mitochondrial organelle or in the segregation of chromosomes, exhibits regions similar to members of a GTPase family plasmid maintenance|mitochondrial genome maintenance molecular_function mitochondrion|cytoplasm YGR157W CHO2 hom FT LIPID METABOLISM 0.0324281256708281 0.060673762369847 392 Phosphatidylethanolamine methyltransferase (PEMT), catalyzes the first step in the conversion of phosphatidylethanolamine to phosphatidylcholine during the methylation pathway of phosphatidylcholine biosynthesis phosphatidylcholine biosynthetic process phosphatidylethanolamine N-methyltransferase activity integral to membrane|endoplasmic reticulum YBR199W KTR4 hom FT CARBOHYDRATE METABOLISM|GOLGI APPARATUS 0.0324208998828313 0.060385417850248 393 Putative mannosyltransferase involved in protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family protein N-linked glycosylation mannosyltransferase activity Golgi apparatus YDR147W EKI1 hom FT LIPID METABOLISM 0.0324119050662255 0.060456770287089 394 Ethanolamine kinase; primarily responsible for phosphatidylethanolamine synthesis via the CDP-ethanolamine pathway; exhibits some choline kinase activity, thus contributing to phosphatidylcholine synthesis via the CDP-choline pathway; EKI1 has a paralog, CKI1, that arose from the whole genome duplication phosphatidylethanolamine biosynthetic process|phosphatidylcholine biosynthetic process ethanolamine kinase activity|choline kinase activity cytoplasm YIL069C RPS24B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|RIBOSOME 0.0323793788113956 0.060753815354141 395 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S24, no bacterial homolog; RPS24B has a paralog, RPS24A, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit YMR158W MRPS8 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0323697258848986 0.0607922939496867 396 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YDR004W RAD57 hom FF|FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0323108113955692 0.0612635223524856 397 Protein that stimulates strand exchange by stabilizing the binding of Rad51p to single-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; forms heterodimer with Rad55p DNA recombinase assembly|telomere maintenance via recombination|heteroduplex formation|meiotic DNA recombinase assembly|double-strand break repair via single-strand annealing DNA-dependent ATPase activity|protein heterodimerization activity nucleus|Rhp55-Rhp57 complex YKR004C ECM9 het FT CELL WALL ORG/BIOGENESIS 0.0322849640534821 0.0614712148723856 398 Non-essential protein of unknown function fungal-type cell wall organization molecular_function cellular_component YDR286C_p YDR286C hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0322834689418912 0.0614832464284255 399 Putative protein of unknown function; predicted to have thiol-disulfide oxidoreductase active site biological_process molecular_function cellular_component YOL107W_p YOL107W hom FT ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0322332730934451 0.0618883180635153 400 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and colocalizes in a punctate pattern with the early golgi/COPI vesicles; YOL107W is not an essential protein biological_process molecular_function COPI-coated vesicle|Golgi apparatus YKL115C_d YKL115C hom 0.0321955659333548 0.0621940581658011 401 Dubious open reading frame, unlikely to encode a protein; partially overlaps the verified gene PRR1 Unknown Unknown Unknown YDL153C SAS10 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|GENE SILENCING|NUCLEUS 0.0321807485944871 0.0624317370515034 402 Essential subunit of U3-containing Small Subunit (SSU) processome complex involved in production of 18S rRNA and assembly of small ribosomal subunit; disrupts silencing when overproduced; mutant has increased aneuploidy tolerance endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function small-subunit processome|nucleolus|nucleus YMR096W SNZ1 hom FT COFACTOR METABOLISM 0.032177832438668 0.0625337758196245 403 Protein involved in vitamin B6 biosynthesis; member of a stationary phase-induced gene family; coregulated with SNO1; interacts with Sno1p and with Yhr198p, perhaps as a multiprotein complex containing other Snz and Sno proteins pyridoxine metabolic process|thiamine biosynthetic process protein binding cellular_component YLR280C_d YLR280C hom 0.0321532630608624 0.0625385471685748 404 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YHL028W WSC4 hom FT PROTEIN LOCALIZATION|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0320419831828664 0.0636498234313436 405 ER membrane protein involved in the translocation of soluble secretory proteins and insertion of membrane proteins into the ER membrane; may also have a role in the stress response but has only partial functional overlap with WSC1-3 response to heat|SRP-dependent cotranslational protein targeting to membrane, translocation|protein targeting to ER|response to stress transmembrane signaling receptor activity endoplasmic reticulum membrane YDL056W MBP1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.0320310097607466 0.0635429798868363 406 Transcription factor involved in regulation of cell cycle progression from G1 to S phase, forms a complex with Swi6p that binds to MluI cell cycle box regulatory element in promoters of DNA synthesis genes positive regulation of transcription involved in G1/S phase of mitotic cell cycle sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription MBF transcription complex|nucleus YKL087C CYT2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION 0.0320094519765719 0.0637214728969897 407 Cytochrome c1 heme lyase, involved in maturation of cytochrome c1, which is a subunit of the mitochondrial ubiquinol-cytochrome-c reductase; links heme covalently to apocytochrome c1 cytochrome c-heme linkage holocytochrome-c synthase activity mitochondrion|mitochondrial intermembrane space YGR102C GTF1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.031999860739357 0.063999195684974 408 Subunit of the trimeric GatFAB AmidoTransferase(AdT) complex; involved in the formation of Q-tRNAQ; transposon insertion mutant is salt sensitive and null mutant has growth defects; non-tagged protein is detected in purified mitochondria glutaminyl-tRNAGln biosynthesis via transamidation glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity mitochondrion|glutamyl-tRNA(Gln) amidotransferase complex YNL122C_p YNL122C hom FT TRANSLATION|MITOCHONDRION 0.0319611846050116 0.0642417932063515 409 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to mitochondria; YNL122C is not an essential gene biological_process molecular_function mitochondrion YLR004C THI73 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0319549573971571 0.0643335514853997 410 Putative plasma membrane permease proposed to be involved in carboxylic acid uptake and repressed by thiamine; substrate of Dbf2p/Mob1p kinase; transcription is altered if mitochondrial dysfunction occurs transport transporter activity integral to membrane|endoplasmic reticulum YMR258C ROY1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0319233291973535 0.0644784966091227 411 GTPase inhibitor with similarity to F-box proteins; inhibits Ypt52p GTPase activity by preventing Ypt52p from binding GTP; involved in regulating intracellular trafficking; physically interacts with Skp1p endocytosis|protein targeting to vacuole|negative regulation of GTPase activity GTPase inhibitor activity nucleus|cytoplasm YER096W SHC1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0319224943808781 0.0644456674535504 412 Sporulation-specific activator of Chs3p (chitin synthase III); required for the synthesis of the chitosan layer of ascospores; transcriptionally induced at alkaline pH; SHC1 has a paralog, SKT5, that arose from the whole genome duplication ascospore formation|chitin biosynthetic process enzyme activator activity prospore membrane YER109C FLO8 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|NUCLEUS 0.0319148008806293 0.0645100656187255 413 Transcription factor required for flocculation, diploid filamentous growth, and haploid invasive growth; genome reference strain S288C and most laboratory strains have a mutation in this gene biofilm formation|Unknown|positive regulation of starch catabolic process by positive regulation of transcription from RNA polymerase II promoter|positive regulation of invasive growth in response to glucose limitation by positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus|cytoplasm YIL075C RPN2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|NUCLEUS 0.031824143172377 0.0653531719656984 414 Subunit of the 26S proteasome; substrate of the N-acetyltransferase Nat1p; protein abundance increases in response to DNA replication stress proteasome assembly|ubiquitin-dependent protein catabolic process endopeptidase activity|protein binding, bridging proteasome regulatory particle, base subcomplex|nucleus|proteasome storage granule YGL147C RPL9A hom FT TRANSLATION|RIBOSOME 0.0317780332525558 0.06566376169281 415 Ribosomal 60S subunit protein L9A; nearly identical to paralog Rpl9Bp; homologous to mammalian ribosomal protein L9 and bacterial L6 cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YDR007W TRP1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0317293609071776 0.0660784145187235 416 Phosphoribosylanthranilate isomerase that catalyzes the third step in tryptophan biosynthesis; in 2004, the sequence of TRP1 from strain S228C was updated by changing the previously annotated internal STOP (TAA) to serine (TCA) tryptophan biosynthetic process phosphoribosylanthranilate isomerase activity cytoplasm YOR033C EXO1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0317009775684209 0.0663212137437428 417 5'-3' exonuclease and flap-endonuclease; involved in recombination, double-strand break repair and DNA mismatch repair; member of the Rad2p nuclease family, with conserved N and I nuclease domains; relative distribution to the nucleus increases upon DNA replication stress mismatch repair|telomeric 3' overhang formation|DNA double-strand break processing|meiotic DNA double-strand break processing|telomere maintenance|gene conversion at mating-type locus, DNA double-strand break processing 5'-3' exonuclease activity|5'-flap endonuclease activity nucleus YKL015W PUT3 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0316808800830146 0.0664935772601679 418 Transcriptional activator of proline utilization genes, constitutively binds PUT1 and PUT2 promoter sequences as a dimer and undergoes a conformational change to form the active state; differentially phosphorylated in the presence of different nitrogen sources; has a Zn(2)-Cys(6) binuclear cluster domain Unknown|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus YOL132W GAS4 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|PLASMA MEMBRANE 0.0316424430908506 0.0668242543647278 419 1,3-beta-glucanosyltransferase, involved with Gas2p in spore wall assembly; has similarity to Gas1p; localizes to the cell wall ascospore wall assembly 1,3-beta-glucanosyltransferase activity fungal-type cell wall|integral to membrane YIL129C TAO3 het FT CELL DIVISION|MITOCHONDRION|SITE OF POLARIZED GROWTH 0.0316103243538198 0.067101611832429 420 Component of the RAM signaling network that is involved in regulation of Ace2p activity and cellular morphogenesis, interacts with protein kinase Cbk1p and also with Kic1p cell morphogenesis|cell budding|budding cell apical bud growth molecular_function incipient cellular bud site|mitochondrion|cellular bud|mating projection tip YNL296W_d YNL296W hom 0.031597348805182 0.0672139288997241 421 Dubious open reading frame unlikely to encode a functional protein; deletion adversely affects sporulation; deletion mutant exhibits synthetic phenotype under expression of mutant huntingtin fragment, but gene does not have human ortholog Unknown Unknown Unknown YGL130W CEG1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0315762323631384 0.0673970446176848 422 Alpha (guanylyltransferase) subunit of the mRNA capping enzyme, a heterodimer (the other subunit is CET1, an RNA 5'-triphosphatase) involved in adding the 5' cap to mRNA; the mammalian enzyme is a single bifunctional polypeptide 7-methylguanosine mRNA capping|positive regulation of transcription from RNA polymerase II promoter mRNA guanylyltransferase activity mRNA cap methyltransferase complex|nucleus YDR394W RPT3 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|NUCLEUS 0.0315697438105538 0.0674533938262045 423 One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; substrate of N-acetyltransferase B positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|proteasome regulatory particle assembly|ubiquitin-dependent protein catabolic process ATPase activity proteasome regulatory particle, base subcomplex YNL131W TOM22 het FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0315635063128808 0.0675075992957713 424 Component of the TOM (translocase of outer mitochondrial membrane) complex responsible for initial import of mitochondrially directed proteins; acts as a receptor for precursor proteins and mediates interaction between TOM and TIM complexes protein import into mitochondrial matrix|protein import into mitochondrial outer membrane protein channel activity mitochondrial outer membrane|mitochondrion|integral to membrane|integral to mitochondrial outer membrane|mitochondrial outer membrane translocase complex YBR026C ETR1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0314927552279577 0.0681249559637111 425 2-enoyl thioester reductase, member of the medium chain dehydrogenase/reductase family; localized to in mitochondria, where it has a probable role in fatty acid synthesis fatty acid biosynthetic process|aerobic respiration enoyl-[acyl-carrier-protein] reductase activity mitochondrion YFR036W CDC26 hom FF|FT CELL CYCLE|CHROMATIN ORGANIZATION|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.031488549774366 0.0681617973541479 426 Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition chromatin assembly|anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|protein ubiquitination ubiquitin-protein ligase activity anaphase-promoting complex YKR059W TIF1 hom FT TRANSLATION|RIBOSOME 0.0314847337912173 0.0682363835449218 427 Translation initiation factor eIF4A; DEA(D/H)-box RNA helicase that couples ATPase activity to RNA binding and unwinding; forms a dumbbell structure of two compact domains connected by a linker; interacts with eIF4G; protein abundance increases in response to DNA replication stress; TIF1 has a paralog, TIF2, that arose from the whole genome duplication translational initiation ATP-dependent RNA helicase activity|translation initiation factor activity ribosome|eukaryotic translation initiation factor 4F complex YDL062W_d YDL062W hom 0.0314585189255543 0.0684253553563958 428 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps uncharacterized ORF YDL063C; YDL062W is not essential Unknown Unknown Unknown YOR343C_d YOR343C hom 0.0314163704369776 0.0687966724684225 429 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOL031C SIL1 hom FT PROTEIN LOCALIZATION|ENDOPLASMIC RETICULUM 0.0314039241829071 0.0689894400157059 430 Nucleotide exchange factor for the endoplasmic reticulum (ER) lumenal Hsp70 chaperone Kar2p, required for protein translocation into the ER; homolog of Yarrowia lipolytica SLS1; GrpE-like protein SRP-dependent cotranslational protein targeting to membrane, translocation adenyl-nucleotide exchange factor activity endoplasmic reticulum YPL081W RPS9A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|RIBOSOME 0.0313523779935536 0.0693635915863123 431 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S9 and bacterial S4; RPS9A has a paralog, RPS9B, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome|rRNA binding small-subunit processome|cytosolic small ribosomal subunit|90S preribosome|cytoplasm YLL017W YLL017W hom FT SIGNALING 0.0313360941009601 0.0695084636231422 432 Non-essential Ras guanine nucleotide exchange factor (GEF); localized to the membrane; expressed in poor nutrient conditions and on nonfermentable carbon sources; contains a stop codon in S288C, full-length gene includes YLL016W; SDC25 has a paralog, CDC25, that arose from the whole genome duplication Ras protein signal transduction Ras guanyl-nucleotide exchange factor activity membrane YGR220C MRPL9 hom FT TRANSLATION|MITOCHONDRION|RIBOSOME 0.0312418228605594 0.0703520494850868 433 Mitochondrial ribosomal protein of the large subunit cytoplasmic translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YLR288C MEC3 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0312337751277555 0.070424451897427 434 DNA damage and meiotic pachytene checkpoint protein; subunit of a heterotrimeric complex (Rad17p-Mec3p-Ddc1p) that forms a sliding clamp, loaded onto partial duplex DNA by a clamp loader complex; homolog of human and S. pombe Hus1 telomere maintenance via recombination|DNA damage checkpoint|DNA metabolic process|chromatin silencing at telomere DNA binding nucleus|checkpoint clamp complex YML116W-A_d YML116W-A hom 0.0311263911602801 0.0714386395245812 435 Putative protein of unknown function Unknown Unknown Unknown YDL001W RMD1 hom FT CELL CYCLE 0.0310721584627436 0.0718914360363978 436 Cytoplasmic protein required for sporulation biological_process molecular_function cytoplasm YBR277C_d YBR277C hom 0.0309947215259926 0.0726031413140543 437 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene YBR278W Unknown Unknown Unknown YML059C NTE1 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0309907284529673 0.0726399964835718 438 Serine esterase, homolog of human neuropathy target esterase (NTE); Nte1p-mediated phosphatidylcholine turnover influences transcription factor Opi1p localization, affecting transcriptional regulation of phospholipid biosynthesis genes phosphatidylcholine catabolic process|regulation of phospholipid biosynthetic process lysophospholipase activity|carboxylesterase activity integral to membrane|endoplasmic reticulum YOR252W TMA16 hom FT NUCLEUS 0.0309244189012542 0.0732542595656491 439 Protein of unknown function that associates with ribosomes biological_process molecular_function ribosome|nucleus YBR182C-A_p YBR182C-A hom 0.0309229883594679 0.0734821107904326 440 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YIR008C PRI1 het FT NUCLEUS|CHROMOSOME 0.0308987396839027 0.0734932788050001 441 Subunit of DNA primase, which is required for DNA synthesis and double-strand break repair lagging strand elongation|DNA replication, synthesis of RNA primer|DNA replication initiation|DNA replication single-stranded DNA binding|DNA primase activity alpha DNA polymerase:primase complex|nuclear replication fork YJL026W RNR2 het FT OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|NUCLEUS 0.0308592107433836 0.0739055073995851 442 Ribonucleotide-diphosphate reductase (RNR), small subunit; the RNR complex catalyzes the rate-limiting step in dNTP synthesis and is regulated by DNA replication and DNA damage checkpoint pathways via localization of the small subunits deoxyribonucleotide biosynthetic process ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor ribonucleoside-diphosphate reductase complex|nucleus|cytoplasm YNR062C_p YNR062C hom 0.0308467658384379 0.0739789965297364 443 Putative membrane protein of unknown function biological_process molecular_function integral to membrane YJR011C_p YJR011C hom 0.0306766731225787 0.0755869527592121 444 Putative protein of unknown function; GFP-fusion protein expression is induced in response to the DNA-damaging agent MMS biological_process molecular_function cellular_component YOR196C LIP5 hom FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0306598849033723 0.0757471929138204 445 Protein involved in biosynthesis of the coenzyme lipoic acid, has similarity to E. coli lipoic acid synthase protein lipoylation lipoate synthase activity mitochondrion YHL012W_p YHL012W hom 0.0306502095749077 0.0758396677529908 446 Putative UTP glucose-1-phosphate uridylyltransferase; YHL012W has a paralog, UGP1, that arose from the whole genome duplication biological_process molecular_function cellular_component YAR027W UIP3 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS|PLASMA MEMBRANE 0.0306227496222946 0.0761026260438397 447 Putative integral membrane protein of unknown function; interacts with Ulp1p at the nuclear periphery; member of DUP240 gene family biological_process molecular_function nuclear envelope YDR089W YDR089W hom FT MEMBRANE ORGANIZATION 0.0306065168865327 0.0763899828537152 448 Protein of unknown function; deletion confers resistance to nickel; contains an SPX domain, which is found in proteins involved in phosphate homeostasis; relocalizes from vacuole to cytoplasm upon DNA replication stress cellular membrane organization molecular_function integral to membrane|membrane YGL030W RPL30 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0305473924967143 0.0769601783574186 449 Ribosomal 60S subunit protein L30; involved in pre-rRNA processing in the nucleolus; autoregulates splicing of its transcript; homologous to mammalian ribosomal protein L30, no bacterial homolog cytoplasmic translation|negative regulation of mRNA splicing, via spliceosome|negative regulation of translation|rRNA processing structural constituent of ribosome|RNA binding|pre-mRNA 5'-splice site binding cytosolic large ribosomal subunit|cytoplasm YKR102W FLO10 hom 0.0304507459095843 0.07776670338701 450 Member of the FLO family of cell wall flocculation proteins; not expressed in most lab strains; overproduction induces flocculation that can be inhibited by mannose, sucrose, or glucose; overproduction also promotes haploid invasive growth and diploid filamentous growth filamentous growth of a population of unicellular organisms|flocculation via cell wall protein-carbohydrate interaction|flocculation|invasive growth in response to glucose limitation mannose binding fungal-type cell wall YGL251C HFM1 hom FT CELL CYCLE|NUCLEUS 0.0304288971092344 0.0779801874453607 451 Meiosis specific DNA helicase involved in the conversion of double-stranded breaks to later recombination intermediates and in crossover control; catalyzes the unwinding of Holliday junctions; has ssDNA and dsDNA stimulated ATPase activity meiosis|synapsis|DNA unwinding involved in replication|reciprocal meiotic recombination DNA helicase activity nucleus YGL219C MDM34 hom FT MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0304210424658569 0.0780570514212376 452 Mitochondrial component of the ERMES complex that links the ER to mitochondria and may promote inter-organellar calcium and phospholipid exchange as well as coordinating mitochondrial DNA replication and growth mitochondrion organization|phospholipid transport molecular_function mitochondrial outer membrane|ERMES complex|mitochondrion|cytoplasm YJL133W MRS3 hom FT RNA PROCESSING|ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0304152067684291 0.0781141983064811 453 Iron transporter, mediates Fe2+ transport across inner mito membrane; mitochondrial carrier family member; active under low-iron conditions; may transport other cations; MRS3 has a paralog, MRS4, that arose from the whole genome duplication mitochondrial iron ion transport|RNA splicing iron ion transmembrane transporter activity mitochondrion|integral to membrane YIL059C_d YIL059C hom 0.0303952482492502 0.0783099022914744 454 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YIL060W Unknown Unknown Unknown YOR072W_d YOR072W hom FF 0.0303842410658689 0.078418004182164 455 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data; partially overlaps the dubious gene YOR072W-A; diploid deletion strains are methotrexate, paraquat and wortmannin sensitive Unknown Unknown Unknown YCR046C IMG1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0303682127046126 0.0787987024727158 456 Mitochondrial ribosomal protein of the large subunit, required for respiration and for maintenance of the mitochondrial genome mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YBR296C-A_p YBR296C-A hom 0.0302694262012316 0.0795528574894612 457 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YHR024C MAS2 het FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0302635682172111 0.0796111149678724 458 Larger subunit of the mitochondrial processing protease (MPP), essential processing enzyme that cleaves the N-terminal targeting sequences from mitochondrially imported proteins protein processing involved in protein targeting to mitochondrion metalloendopeptidase activity mitochondrion|mitochondrial processing peptidase complex YHL004W MRP4 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0302487001407715 0.0797591332128609 459 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome|tRNA binding mitochondrion|mitochondrial small ribosomal subunit YKR043C SHB17 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.0302450318634416 0.0797956868952682 460 Sedoheptulose bisphosphatase involved in riboneogenesis; dephosphorylates sedoheptulose 1,7-bisphosphate, which is converted via the nonoxidative pentose phosphate pathway to ribose-5-phosphate; facilitates the conversion of glycolytic intermediates to pentose phosphate units; also has fructose 1,6-bisphosphatase activity but this is probably not biologically relevant, since deletion does not affect FBP levels; GFP-fusion protein localizes to the cytoplasm and nucleus ribose phosphate biosynthetic process sedoheptulose-bisphosphatase activity nucleus|cytoplasm YMR300C ADE4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM 0.0301973356438614 0.0805431253350517 461 Phosphoribosylpyrophosphate amidotransferase (PRPPAT; amidophosphoribosyltransferase), catalyzes first step of the 'de novo' purine nucleotide biosynthetic pathway 'de novo' IMP biosynthetic process amidophosphoribosyltransferase activity cytoplasm YHR148W IMP3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0301738672258175 0.0805075260220636 462 Component of the SSU processome, which is required for pre-18S rRNA processing, essential protein that interacts with Mpp10p and mediates interactions of Imp4p and Mpp10p with U3 snoRNA rRNA processing|ribosome biogenesis snoRNA binding small-subunit processome|Mpp10 complex|90S preribosome YOR314W_d YOR314W hom 0.0301448953925858 0.0807987955967212 463 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YER036C ARB1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEOTIDE METABOLISM|NUCLEUS 0.0301299110095579 0.0809497769806359 464 ATPase of the ATP-binding cassette (ABC) family involved in 40S and 60S ribosome biogenesis, has similarity to Gcn20p; shuttles from nucleus to cytoplasm, physically interacts with Tif6p, Lsg1p ribosomal small subunit export from nucleus|ribosome biogenesis ATPase activity, uncoupled ribosome|nucleus|cytoplasm YLR437C DIF1 hom FT NUCLEUS 0.0300579946165969 0.0816775897724794 465 Protein that regulates the nuclear localization of ribonucleotide reductase Rnr2p and Rnr4p subunits; phosphorylated by Dun1p in response to DNA damage and degraded; N-terminal half has similarity to S. pombe Spd1 protein biological_process molecular_function cytoplasm YDL238C GUD1 hom 0.0300405515060172 0.081854915941279 466 Guanine deaminase, a catabolic enzyme of the guanine salvage pathway producing xanthine and ammonia from guanine; activity is low in exponentially-growing cultures but expression is increased in post-diauxic and stationary-phase cultures guanine metabolic process guanine deaminase activity|hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides cytoplasm YKR021W ALY1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0300400190765748 0.081860333509434 467 Alpha arrestin that controls nutrient-mediated intracellular sorting of permease Gap1p; interacts with AP-1 subunit Apl4p; may regulate endocytosis of plasma membrane proteins by recruiting ubiquitin ligase Rsp5p to plasma membrane targets; ALY1 has a paralog, ALY2, that arose from the whole genome duplication Unknown|regulation of intracellular transport|ubiquitin-dependent endocytosis ubiquitin protein ligase binding late endosome|cytoplasm|early endosome YIR024C YIR024C hom FT MITOCHONDRION 0.0300290043638374 0.0819724754843509 468 Protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; interacts with Arh1p, a mitochondrial oxidoreductase; deletion mutant has a respiratory growth defect biological_process molecular_function mitochondrion YER064C VHR2 hom FT NUCLEUS 0.030011203735534 0.0821539688452034 469 Non-essential nuclear protein; null mutation has global effects on transcription; VHR2 has a paralog, VHR1, that arose from the whole genome duplication; relative distribution to the nucleus increases upon DNA replication stress regulation of transcription, DNA-dependent molecular_function nucleus YGR128C UTP8 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RNA LOCALIZATION|NUCLEUS|CHROMOSOME 0.0299895496474309 0.0823751906576732 470 Nucleolar protein required for export of tRNAs from the nucleus; also copurifies with the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA positive regulation of transcription from RNA polymerase I promoter|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|tRNA export from nucleus snoRNA binding|tRNA binding small-subunit processome|t-UTP complex|nucleolus|rDNA heterochromatin|90S preribosome YLL010C PSR1 hom FT PLASMA MEMBRANE 0.0299320438557339 0.0829650235345554 471 Plasma membrane associated protein phosphatase involved in the general stress response; required along with binding partner Whi2p for full activation of STRE-mediated gene expression, possibly through dephosphorylation of Msn2p response to stress phosphoprotein phosphatase activity plasma membrane YCR028C-A RIM1 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0299283683841406 0.0830028385952678 472 Single-stranded DNA-binding protein essential for mitochondrial genome maintenance; involved in mitochondrial DNA replication mitochondrial DNA replication|mitochondrial genome maintenance single-stranded DNA binding mitochondrial nucleoid|mitochondrion YGR277C CAB4 het FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0299113993655922 0.0832235689732578 473 Probable pantetheine-phosphate adenylyltransferase (PPAT), which catalyzes the fourth step in the biosynthesis of coenzyme A from pantothenate; null mutant lethality is complemented by E. coli coaD (encoding PPAT); widely conserved coenzyme A biosynthetic process pantetheine-phosphate adenylyltransferase activity nucleus|cytoplasm YCL010C SGF29 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.02988374114358 0.0834631002803448 474 Component of the HAT/Core module of the SAGA, SLIK, and ADA complexes; HAT/Core module also contains Gcn5p, Ngg1p, and Ada2p; binds methylated histone H3K4; involved in transcriptional regulation through SAGA and TBP recruitment to target promoters and H3 acetylation histone H3-K14 acetylation|cellular protein complex localization|histone H3-K18 acetylation|cellular protein localization|histone H3-K9 acetylation|positive regulation of transcription from RNA polymerase II promoter methylated histone residue binding|RNA polymerase II transcription factor recruiting transcription factor activity Ada2/Gcn5/Ada3 transcription activator complex|SAGA complex YOL121C RPS19A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0298829128814825 0.0834716620259031 475 Protein component of the small (40S) ribosomal subunit; required for assembly and maturation of pre-40 S particles; homologous to mammalian ribosomal protein S19, no bacterial homolog; mutations in human RPS19 are associated with Diamond Blackfan anemia; RPS19A has a paralog, RPS19B, that arose from the whole genome duplication cytoplasmic translation|ribosomal small subunit biogenesis|rRNA export from nucleus structural constituent of ribosome cytosolic small ribosomal subunit YDL078C MDH3 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM 0.0298736089597879 0.0835678855267871 476 Peroxisomal malate dehydrogenase, catalyzes interconversion of malate and oxaloacetate; involved in the glyoxylate cycle glyoxylate cycle|fatty acid beta-oxidation|malate metabolic process|NADH regeneration L-malate dehydrogenase activity|mRNA binding peroxisomal matrix|peroxisome YKL196C YKT6 het FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|MITOCHONDRION|GOLGI APPARATUS|PLASMA MEMBRANE 0.029863618240487 0.0836713120170537 477 Vesicle membrane protein (v-SNARE) with acyltransferase activity; involved in trafficking to and within the Golgi, endocytic trafficking to the vacuole, and vacuolar fusion; membrane localization due to prenylation at the carboxy-terminus intra-Golgi vesicle-mediated transport|vacuole fusion, non-autophagic|vesicle fusion palmitoyltransferase activity|SNAP receptor activity SNARE complex|endosome|mitochondrion|Golgi apparatus|fungal-type vacuole|membrane YML011C RAD33 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0298310883626884 0.0840087877120219 478 Protein involved in nucleotide excision repair; green fluorescent protein (GFP)-fusion protein localizes to the nucleus nucleotide-excision repair molecular_function nucleus YNL098C RAS2 hom FT PROTEIN LOCALIZATION|SIGNALING|NUCLEOTIDE METABOLISM|RESPONSE TO NUTRIENT LEVELS|PLASMA MEMBRANE 0.0298022207906902 0.084309190994143 479 GTP-binding protein that regulates the nitrogen starvation response, sporulation, and filamentous growth; farnesylation and palmitoylation required for activity and localization to plasma membrane; homolog of mammalian Ras proto-oncogenes pseudohyphal growth|ascospore formation|activation of adenylate cyclase activity|regulation of protein localization|replicative cell aging|positive regulation of transcription by galactose|Ras protein signal transduction GTP binding|GTPase activity plasma membrane YAL016C-B_d YAL016C-B hom 0.0297893508175108 0.0844433989587876 480 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YAL040C CLN3 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0297888882258765 0.0844945667119966 481 G1 cyclin involved in cell cycle progression; activates Cdc28p kinase to promote the G1 to S phase transition; plays a role in regulating transcription of the other G1 cyclins, CLN1 and CLN2; regulated by phosphorylation and proteolysis vacuole organization|regulation of cyclin-dependent protein kinase activity|regulation of transcription involved in G1/S phase of mitotic cell cycle|vacuole fusion, non-autophagic|regulation of cell size|G1/S transition of mitotic cell cycle cyclin-dependent protein kinase regulator activity nucleus YER136W GDI1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT 0.0297504920988602 0.0848496660727934 482 GDP dissociation inhibitor, regulates vesicle traffic in secretory pathways by regulating the dissociation of GDP from the Sec4/Ypt/rab family of GTP binding proteins vesicle-mediated transport Rab GDP-dissociation inhibitor activity cellular_component YFR020W_p YFR020W hom 0.0296527946964217 0.0859248332316661 483 Protein of unknown function; mRNA identified as translated by ribosome profiling data biological_process molecular_function cellular_component YML129C COX14 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0296438992125503 0.0859722098594829 484 Mitochondrial membrane protein, involved in translational regulation of Cox1p and assembly of cytochrome c oxidase (complex IV); associates with complex IV assembly intermediates and complex III/complex IV supercomplexes mitochondrial respiratory chain complex IV assembly|negative regulation of mitochondrial translation molecular_function mitochondrial envelope|mitochondrion|integral to membrane|mitochondrial inner membrane|mitochondrial matrix|extrinsic to membrane YPR166C MRP2 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0295971514792257 0.0864682853477204 485 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YOR348C PUT4 hom FT PLASMA MEMBRANE 0.0295882810832392 0.0865626761314092 486 Proline permease, required for high-affinity transport of proline; also transports the toxic proline analog azetidine-2-carboxylate (AzC); PUT4 transcription is repressed in ammonia-grown cells neutral amino acid transport|proline transport|gamma-aminobutyric acid transport neutral amino acid transmembrane transporter activity|L-proline transmembrane transporter activity integral to membrane|plasma membrane YDR249C_p YDR249C hom 0.0295392831318482 0.0870855678181845 487 Putative protein of unknown function biological_process molecular_function cellular_component YKL163W PIR3 hom FT CELL WALL ORG/BIOGENESIS 0.0294425279178997 0.0881255940728546 488 O-glycosylated covalently-bound cell wall protein; required for cell wall stability; expression is cell cycle regulated, peaking in M/G1 and also subject to regulation by the cell integrity pathway; PIR3 has a paralog, HSP150, that arose from the whole genome duplication fungal-type cell wall organization structural constituent of cell wall fungal-type cell wall YOL137W BSC6 hom FT GOLGI APPARATUS 0.0293942809111039 0.0886479312500895 489 Protein of unknown function containing 8 putative transmembrane seqments; ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression biological_process molecular_function COPI-coated vesicle|integral to membrane|clathrin-coated vesicle YER028C MIG3 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0293867948700381 0.0887292005248098 490 Transcriptional regulator; partially nonfunctional in S288C strains but has a major role in catabolite repression and ethanol response in some other strains; involved in response to toxic agents; phosphorylation by Snf1p or the Mec1p pathway inactivates Mig3p, allowing induction of damage response genes; MIG3 has a paralog, MIG2, that arose from the whole genome duplication cellular response to UV|negative regulation of transcription from RNA polymerase II promoter in response to UV-induced DNA damage|response to DNA damage stimulus RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in negative regulation of transcription|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding nuclear chromatin YGR101W PCP1 hom FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0293537707743243 0.0890884302809671 491 Mitochondrial serine protease required for the processing of various mitochondrial proteins and maintenance of mitochondrial DNA and morphology; belongs to the rhomboid-GlpG superfamily of intramembrane peptidases signal peptide processing|regulation of mitochondrion organization serine-type endopeptidase activity integral to membrane|mitochondrial inner membrane YOR354C MSC6 hom FT CELL CYCLE|MITOCHONDRION 0.0293293933619924 0.0894021069593233 492 Protein of unknown function; mutant is defective in directing meiotic recombination events to homologous chromatids; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies reciprocal meiotic recombination molecular_function mitochondrion YDR322C-A TIM11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0293097135261225 0.0897609200713246 493 Subunit e of mitochondrial F1F0-ATPase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis; essential for the dimeric and oligomeric state of ATP synthase protein oligomerization|cristae formation|ATP synthesis coupled proton transport structural molecule activity|proton-transporting ATPase activity, rotational mechanism mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) YDL009C_p YDL009C hom 0.0292876682821549 0.0898109983049682 494 Protein of unknown function; mRNA identified as translated by ribosome profiling data; partially overlaps the verified ORF YDL010W; YDL009C is not an essential gene biological_process molecular_function cellular_component YHR107C CDC12 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.029257265037485 0.0906259133204382 495 Component of the septin ring that is required for cytokinesis; septins are GTP-binding proteins that assemble into rod-like hetero-oligomers that can associate with other rods to form filaments; septin rings at the mother-bud neck act as scaffolds for recruiting cell division factors and as barriers to prevent diffusion of specific proteins between mother and daughter cells maintenance of cell polarity|cell cycle cytokinesis|positive regulation of protein kinase activity|septin ring assembly protein complex scaffold|structural molecule activity|GTP binding|GTPase activity|1-phosphatidylinositol binding septin filament array|cellular bud neck septin ring|septin complex|cytoplasm|mating projection YBR002C RER2 het FF|FT VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0292226099851158 0.0907674326458352 496 Cis-prenyltransferase involved in dolichol synthesis; participates in endoplasmic reticulum (ER) protein sorting dolichol biosynthetic process|protein glycosylation|ER to Golgi vesicle-mediated transport dehydrodolichyl diphosphate synthase activity|prenyltransferase activity endoplasmic reticulum YMR097C MTG1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0291111309714038 0.0921034103907062 497 Putative GTPase peripheral to the mitochondrial inner membrane, essential for respiratory competence, likely functions in assembly of the large ribosomal subunit, has homologs in plants and animals mitochondrial translation GTPase activity mitochondrion|mitochondrial inner membrane YBL090W MRP21 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0291100646876079 0.0917757628177241 498 Mitochondrial ribosomal protein of the small subunit; MRP21 exhibits genetic interactions with mutations in the COX2 and COX3 mRNA 5'-untranslated leader sequences mitochondrial translational initiation|mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YNL284C MRPL10 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0290927224104965 0.0920664371112524 499 Mitochondrial ribosomal protein of the large subunit; appears as two protein spots (YmL10 and YmL18) on two-dimensional SDS gels mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YPR018W RLF2 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0290536173738881 0.0924073995975443 500 Largest subunit (p90) of the Chromatin Assembly Complex (CAF-1); chromatin assembly by CAF-1 is important for multiple processes including silencing at telomeres, mating type loci, and rDNA; maintenance of kinetochore structure; deactivation of the DNA damage checkpoint after DNA repair; and chromatin dynamics during transcription DNA replication-dependent nucleosome assembly histone binding chromosome, centromeric region|nucleus|CAF-1 complex YER017C AFG3 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0289686976550758 0.0933642068729694 501 Component, with Yta12p, of the mitochondrial inner membrane m-AAA protease; mediates degradation of misfolded or unassembled proteins and is also required for correct assembly of mitochondrial enzyme complexes; involved in cytoplasmic mRNA translation and aging proteolysis|signal peptide processing|protein complex assembly|protein import into mitochondrial intermembrane space metallopeptidase activity|protein binding|ATPase activity mitochondrion|mitochondrial inner boundary membrane|mitochondrial inner membrane|m-AAA complex YAL037C-A_p YAL037C-A hom 0.0289537259840107 0.0935337166472346 502 Putative protein of unknown function biological_process molecular_function cellular_component YML029W USA1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|UBIQUITIN LIGASE COMPLEX 0.0289376159143595 0.0938143284266637 503 Scaffold subunit of the Hrd1p ubiquitin ligase that also promotes ligase oligomerization; involved in ER-associated protein degradation (ERAD); interacts with the U1 snRNP-specific protein, Snp1p ER-associated protein catabolic process|mRNA splicing, via spliceosome|positive regulation of protein oligomerization protein complex scaffold Hrd1p ubiquitin ligase ERAD-L complex|endoplasmic reticulum membrane YFL016C MDJ1 hom FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0289110612340822 0.0940181223531813 504 Co-chaperone that stimulates the ATPase activity of the HSP70 protein Ssc1p; involved in protein folding/refolding in the mitochodrial matrix; required for proteolysis of misfolded proteins; member of the HSP40 (DnaJ) family of chaperones protein refolding|response to heat|misfolded or incompletely synthesized protein catabolic process|mitochondrial genome maintenance|'de novo' protein folding unfolded protein binding|ATPase activator activity extrinsic to mitochondrial inner membrane|mitochondrion|mitochondrial matrix YDL018C ERP3 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0289020193701871 0.0941210393600096 505 Protein with similarity to Emp24p and Erv25p, member of the p24 family involved in ER to Golgi transport vesicle-mediated transport molecular_function integral to membrane YDR347W MRP1 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.028883989303993 0.0943265320970631 506 Mitochondrial ribosomal protein of the small subunit; MRP1 exhibits genetic interactions with PET122, encoding a COX3-specific translational activator, and with PET123, encoding a small subunit mitochondrial ribosomal protein mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YLR312W-A MRPL15 hom FT RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0288309875092319 0.0950806145848001 507 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YPL015C HST2 hom FT GENE SILENCING|NUCLEUS 0.0287356618531684 0.0960307279415772 508 Cytoplasmic member of the silencing information regulator 2 (Sir2) family of NAD(+)-dependent protein deacetylases; modulates nucleolar (rDNA) and telomeric silencing; possesses NAD(+)-dependent histone deacetylase activity in vitro; contains a nuclear export signal (NES); function regulated by its nuclear export negative regulation of chromatin silencing at telomere|chronological cell aging|chromatin silencing at rDNA|negative regulation of mitotic recombination NAD-dependent histone deacetylase activity cytoplasm YGL139W FLC3 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0286305665677433 0.0975027990551542 509 Putative FAD transporter, similar to Flc1p and Flc2p; localized to the ER FAD transport|transmembrane transport FAD transmembrane transporter activity mitochondrion|integral to membrane|endoplasmic reticulum YGR227W DIE2 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0286121594401225 0.0974684144341241 510 Dolichyl-phosphoglucose-dependent alpha-1,2 glucosyltransferase of the ER, functions in the pathway that synthesizes the dolichol-linked oligosaccharide precursor for N-linked protein glycosylation, has a role in regulation of ITR1 and INO1 dolichol-linked oligosaccharide biosynthetic process|protein N-linked glycosylation dolichyl-phosphate-glucose-glycolipid alpha-glucosyltransferase activity integral to membrane|endoplasmic reticulum membrane YDL146W LDB17 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0285955196105025 0.0976634257323829 511 Protein involved in the regulation of endocytosis; transiently recruited to actin cortical patches in a SLA1-dependent manner after late coat component assembly; GFP-fusion protein localizes to the periphery, cytoplasm, bud, and bud neck endocytosis molecular_function cellular bud|cellular bud neck|cytoplasm|actin cortical patch YDL147W RPN5 het FT PROTEOLYSIS|NUCLEUS 0.0285160026990889 0.0985996351005008 512 Subunit of the COP9 signalosome (CSN) and non-ATPase regulatory subunit of the 26S proteasome lid, similar to mammalian p55 subunit and to another S. cerevisiae regulatory subunit, Rpn7p; Rpn5p is an essential protein cullin deneddylation|ubiquitin-dependent protein catabolic process molecular_function proteasome complex|signalosome|proteasome storage granule|proteasome regulatory particle, lid subcomplex YKR008W RSC4 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0284874718332006 0.0989372902196614 513 Component of the RSC chromatin remodeling complex; found in close proximity to nucleosomal DNA; displaced from the surface of nucleosomal DNA after chromatin remodeling; acetylated (K25) by Gcn5p, altering replication stress tolerance; contains tandem bromodomains that recognize histone H3 acetylated on K14 (H3K14ac) by Gcn5p G2/M transition of mitotic cell cycle|ATP-dependent chromatin remodeling|nucleosome disassembly|transcription elongation from RNA polymerase II promoter histone acetyl-lysine binding|DNA translocase activity RSC complex YLR069C MEF1 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0284366785047152 0.0995406982348679 514 Mitochondrial elongation factor involved in translational elongation mitochondrial translational elongation|mitochondrial translation translation elongation factor activity mitochondrion YNL083W SAL1 hom FT MITOCHONDRION 0.0283691977817618 0.100651435365286 515 ADP/ATP transporter; member of the Ca2+-binding subfamily of mitochondrial carriers, with two EF-hand motifs; transport activity of either Sal1p or Pet9p is critical for viability; polymorphic in different S. cerevisiae strains ATP transport|ADP transport|mitochondrial transport ATP:ADP antiporter activity|calcium ion binding mitochondrion|integral to membrane|mitochondrial inner membrane YAL061W_p BDH2 hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0283536930342428 0.100532848312198 516 Putative medium-chain alcohol dehydrogenase with similarity to BDH1; transcription induced by constitutively active PDR1 and PDR3 biological_process oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor nucleus|cytoplasm YNL143C_p YNL143C hom 0.0283321524516073 0.100995038581285 517 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YBR012C_d YBR012C hom 0.0283277003885334 0.100845223974092 518 Dubious open reading frame, unlikely to encode a functional protein; expression induced by iron-regulated transcriptional activator Aft2p Unknown Unknown Unknown YGL168W HUR1 hom FF|FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS 0.0282927781718595 0.101266130325423 519 Protein of unknown function; reported null mutant phenotype of hydroxyurea sensitivity may be due to effects on overlapping PMR1 gene DNA replication molecular_function cellular_component YGR196C FYV8 hom 0.0282801542198241 0.101418626529018 520 Protein of unknown function, required for survival upon exposure to K1 killer toxin biological_process molecular_function cytoplasm YER032W FIR1 hom FT RNA PROCESSING|SITE OF POLARIZED GROWTH 0.028276054638478 0.101468188405037 521 Protein involved in 3' mRNA processing, interacts with Ref2p; potential Cdc28p substrate mRNA polyadenylation|RNA polyadenylation molecular_function cellular bud neck YDR192C NUP42 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0282544702320108 0.101729451063344 522 FG-nucleoporin component of central core of the nuclear pore complex (NPC); also part of the NPC cytoplasmic filaments; contributes directly to nucleocytoplasmic transport and maintenance of the NPC permeability barrier and is involved in gene tethering at the nuclear periphery; interacts with Gle1p poly(A)+ mRNA export from nucleus|NLS-bearing substrate import into nucleus|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|mRNA export from nucleus in response to heat stress|transcription-dependent tethering of RNA polymerase II gene DNA at nuclear periphery nucleocytoplasmic transporter activity|structural constituent of nuclear pore nuclear pore central transport channel|integral to membrane|nuclear pore cytoplasmic filaments|nuclear pore YCR003W MRPL32 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0282347468505465 0.101968655272401 523 Mitochondrial ribosomal protein of the large subunit; protein abundance increases in response to DNA replication stress mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial inner membrane|mitochondrial large ribosomal subunit YDR261C EXG2 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|PLASMA MEMBRANE 0.0282259226718067 0.102126942910939 524 Exo-1,3-beta-glucanase, involved in cell wall beta-glucan assembly; may be anchored to the plasma membrane via a glycosylphosphatidylinositol (GPI) anchor fungal-type cell wall organization glucan exo-1,3-beta-glucosidase activity fungal-type cell wall YKL119C VPH2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0281909632976522 0.102501259389451 525 Integral membrane protein required for vacuolar H+-ATPase (V-ATPase) function, although not an actual component of the V-ATPase complex; functions in the assembly of the V-ATPase; localized to the endoplasmic reticulum (ER) vacuolar proton-transporting V-type ATPase complex assembly|vacuolar acidification molecular_function endoplasmic reticulum membrane YLR297W YLR297W hom 0.0281825500758637 0.102603854795299 526 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the vacuole; not an essential gene; induced by treatment with 8-methoxypsoralen and UVA irradiation; relocalizes from nucleus to vacuole upon DNA replication stress; YLR297W has a paralog, YOR186W, that arose from the whole genome duplication biological_process molecular_function fungal-type vacuole YAL068C PAU8 hom FT TRANSCRIPTION FROM RNA POL II 0.0281170295655571 0.10345709753072 527 Protein of unknown function, member of the seripauperin multigene family encoded mainly in subtelomeric regions ascospore formation|positive regulation of transcription from RNA polymerase II promoter molecular_function cellular_component YAL066W_d YAL066W hom 0.0280960338261961 0.104024831140788 528 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL041W GVP36 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0280817325159082 0.10404604937526 529 BAR domain-containing protein that localizes to both early and late Golgi vesicles; required for adaptation to varying nutrient concentrations, fluid-phase endocytosis, polarization of the actin cytoskeleton, and vacuole biogenesis vacuole organization|endocytosis|establishment or maintenance of actin cytoskeleton polarity molecular_function integral to Golgi membrane|cytoplasm YBR206W_d YBR206W hom 0.0280320337722523 0.10445316618586 530 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene KTR3 Unknown Unknown Unknown YPL107W_p YPL107W hom FT MITOCHONDRION 0.0280004606124498 0.104844425405771 531 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to mitochondria; YPL107W is not an essential gene biological_process molecular_function mitochondrion YOR134W BAG7 hom FT SIGNALING 0.0280000700729531 0.104849272300002 532 Rho GTPase activating protein (RhoGAP), stimulates the intrinsic GTPase activity of Rho1p, which plays a role in actin cytoskeleton organization and control of cell wall synthesis; structurally and functionally related to Sac7p small GTPase mediated signal transduction Rho GTPase activator activity intracellular YIL106W MOB1 het FT CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS|SITE OF POLARIZED GROWTH|CHROMOSOME|CYTOSKELETON 0.0279883101510876 0.104995305241562 533 Component of the mitotic exit network; associates with and is required for the activation and Cdc15p-dependent phosphorylation of the Dbf2p kinase; required for cytokinesis and cell separation; component of the CCR4 transcriptional complex; relocalizes from cytoplasm to the nuclear periphery upon DNA replication stress regulation of exit from mitosis|protein phosphorylation kinase regulator activity spindle pole body|cellular bud neck YKL168C KKQ8 hom FT PROTEIN PHOSPHORYLATION 0.0279713779573901 0.105569691304815 534 Putative serine/threonine protein kinase with unknown cellular role; KKQ8 has a paralog, HAL5, that arose from the whole genome duplication biological_process protein kinase activity cytoplasm YJL106W IME2 hom FT CELL CYCLE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0279660089193078 0.105428493675772 535 Serine/threonine protein kinase involved in activation of meiosis, associates with Ime1p and mediates its stability, activates Ndt80p; IME2 expression is positively regulated by Ime1p protein phosphorylation|regulation of meiosis protein kinase activity nucleus YMR274C RCE1 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0279392947650224 0.105865939300283 536 Type II CAAX prenyl protease involved in the proteolysis and maturation of Ras and the a-factor mating pheromone CAAX-box protein processing|peptide pheromone maturation|protein processing metalloendopeptidase activity integral to endoplasmic reticulum membrane|integral to membrane YBR162W-A YSY6 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0279304525981215 0.105716123124258 537 Protein whose expression suppresses a secretory pathway mutation in E. coli; has similarity to the mammalian RAMP4 protein involved in secretion protein secretion molecular_function endoplasmic reticulum YDR016C DAD1 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0279039459103161 0.106047664423852 538 Essential subunit of the Dam1 complex (aka DASH complex), couples kinetochores to the force produced by MT depolymerization thereby aiding in chromosome segregation; is transferred to the kinetochore prior to mitosis mitotic spindle organization in nucleus|regulation of microtubule polymerization or depolymerization microtubule binding|structural constituent of cytoskeleton condensed nuclear chromosome kinetochore|DASH complex|spindle YDR403W DIT1 hom FT CELL WALL ORG/BIOGENESIS 0.0278934884027028 0.106335158995166 539 Sporulation-specific enzyme required for spore wall maturation, involved in the production of a soluble LL-dityrosine-containing precursor of the spore wall; transcripts accumulate at the time of prospore enclosure ascospore wall assembly catalytic activity cellular_component YOR279C RFM1 hom FT GENE SILENCING|NUCLEUS 0.0278687297108748 0.106489417132002 540 DNA-binding protein required for vegetative repression of middle sporulation genes; specificity factor that directs the Hst1p histone deacetylase to some of the promoters regulated by Sum1p; involved in telomere maintenance chromatin silencing|chromatin silencing at silent mating-type cassette unfolded protein binding histone deacetylase complex|nucleus YDL008W APC11 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0278589930750099 0.106611810627841 541 Catalytic core subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition; contains a RING-H2 domain that is required for activity anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|protein ubiquitination ubiquitin-protein ligase activity anaphase-promoting complex YHR029C YHI9 hom FT SIGNALING 0.0278356695655002 0.10727215124725 542 Protein of unknown function; null mutant is defective in unfolded protein response; possibly involved in a membrane regulation metabolic pathway; member of the PhzF superfamily, though most likely not involved in phenazine production endoplasmic reticulum unfolded protein response molecular_function cellular_component YCL059C KRR1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0277761666087075 0.107657484872659 543 Essential nucleolar protein required for the synthesis of 18S rRNA and for the assembly of 40S ribosomal subunit endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal small subunit biogenesis|rRNA processing molecular_function small-subunit processome|nucleolus|90S preribosome YBL088C TEL1 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0277594369457276 0.108079967647452 544 Protein kinase primarily involved in telomere length regulation; contributes to cell cycle checkpoint control in response to DNA damage; functionally redundant with Mec1p; regulates P-body formation induced by replication stress; homolog of human ataxia-telangiectasia mutated (ATM) gene, the gene responsible for ataxia telangiectasia (AT) (OMIM 607585) double-strand break repair|histone phosphorylation|telomere maintenance|response to DNA damage stimulus|phosphorylation|DNA damage induced protein phosphorylation protein kinase activity|telomeric DNA binding mitochondrion|nucleus YJL058C BIT61 hom FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|PLASMA MEMBRANE 0.0277570241253587 0.107900307568373 545 Subunit of TORC2 membrane-associated complex; involved in regulation of cell cycle-dependent actin cytoskeletal dynamics during polarized growth and cell wall integrity; BIT61 has a paralog, BIT2, that arose from the whole genome duplication fungal-type cell wall organization|TOR signaling cascade|regulation of cell growth|establishment or maintenance of actin cytoskeleton polarity molecular_function TORC2 complex|plasma membrane|cytoplasm YDR072C IPT1 hom FT LIPID METABOLISM 0.0277138536687269 0.108449516301454 546 Inositolphosphotransferase, involved in synthesis of mannose-(inositol-P)2-ceramide (M(IP)2C), the most abundant sphingolipid; can mutate to resistance to the antifungals syringomycin E and DmAMP1 and to K. lactis zymocin mannosyl diphosphorylinositol ceramide metabolic process|sphingolipid biosynthetic process transferase activity, transferring phosphorus-containing groups integral to membrane YBR072W HSP26 hom FT NUCLEUS 0.0277068199064705 0.108539207978925 547 Small heat shock protein (sHSP) with chaperone activity; forms hollow, sphere-shaped oligomers that suppress unfolded proteins aggregation; oligomer activation requires heat-induced conformational change; also has mRNA binding activity protein folding|response to stress unfolded protein binding|mRNA binding nucleus|cytoplasm YEL050C RML2 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|TRANSLATION|MITOCHONDRION|RIBOSOME 0.0276905435701598 0.108746982149698 548 Mitochondrial ribosomal protein of the large subunit, has similarity to E. coli L2 ribosomal protein; fat21 mutant allele causes inability to utilize oleate and may interfere with activity of the Adr1p transcription factor cytoplasmic translation|fatty acid metabolic process structural constituent of ribosome mitochondrial large ribosomal subunit YEL020C_p YEL020C hom 0.0276804019444453 0.108876603149384 549 Protein of unknown function with low sequence identity to Pdc1p; mRNA identified as translated by ribosome profiling data biological_process molecular_function cytoplasm YMR038C CCS1 hom FF|FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.0276794181680959 0.109736890321175 550 Copper chaperone for superoxide dismutase Sod1p; involved in oxidative stress protection; Met-X-Cys-X2-Cys motif within the N-terminal portion is involved in insertion of copper into Sod1p under conditions of copper deprivation; protein abundance increases in response to DNA replication stress intracellular copper ion transport superoxide dismutase copper chaperone activity cytosol|mitochondrial inner membrane|nucleus YER099C PRS2 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM 0.0276777382864006 0.109333658450503 551 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, synthesizes PRPP, which is required for nucleotide, histidine, and tryptophan biosynthesis; one of five related enzymes, which are active as heteromultimeric complexes; PRS2 has a paralog, PRS4, that arose from the whole genome duplication fungal-type cell wall organization|5-phosphoribose 1-diphosphate biosynthetic process ribose phosphate diphosphokinase activity cytoplasm YPL140C MKK2 hom FT SIGNALING|PROTEIN PHOSPHORYLATION|PEROXISOME ORGANIZATION 0.0276630076594895 0.109099205408993 552 MAPKK involved in the protein kinase C signaling pathway; involved in control of cell integrity; upon activation by Bck1p phosphorylates downstream target, Slt2p; functionally redundant with Mkk1p; MKK2 has a paralog, MKK1, that arose from the whole genome duplication signal transduction|peroxisome degradation|protein phosphorylation MAP kinase kinase activity intracellular YLR001C_p YLR001C hom FT MITOCHONDRION 0.0276389515945136 0.109619388398121 553 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; predicted to be palmitoylated biological_process molecular_function mitochondrion|fungal-type vacuole membrane YAL067C SEO1 hom 0.0276328353322644 0.109486186945342 554 Putative permease, member of the allantoate transporter subfamily of the major facilitator superfamily; mutation confers resistance to ethionine sulfoxide transport transporter activity integral to membrane|membrane YOL006C TOP1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0275934717250243 0.109992682847483 555 Topoisomerase I, nuclear enzyme that relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone; relaxes both positively and negatively supercoiled DNA; functions in replication, transcription, and recombination nuclear migration|chromatin assembly or disassembly|DNA topological change|DNA strand elongation involved in DNA replication|regulation of mitotic recombination|chromatin silencing at rDNA|regulation of transcription from RNA polymerase II promoter|mitotic chromosome condensation|transcription elongation from RNA polymerase II promoter DNA topoisomerase type I activity replication fork protection complex|nucleolus|nucleus YNR071C_p YNR071C hom FT CARBOHYDRATE METABOLISM 0.0275593489081445 0.110433240784815 556 Putative aldose 1-epimerase biological_process molecular_function cellular_component YEL006W YEA6 hom FT MITOCHONDRION 0.0275558851629724 0.11047803879695 557 Putative mitochondrial NAD+ transporter, member of the mitochondrial carrier subfamily (see also YIA6); has putative human ortholog transport|NAD transmembrane transport transporter activity|NAD transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YBR158W AMN1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS 0.0275502351271085 0.110551143774693 558 Protein required for daughter cell separation, multiple mitotic checkpoints, and chromosome stability; contains 12 degenerate leucine-rich repeat motifs; expression is induced by the Mitotic Exit Network (MEN) mitotic cell cycle checkpoint|negative regulation of exit from mitosis protein binding nucleus|cellular bud|cytoplasm YIL067C_p YIL067C hom 0.0275395883196641 0.110689005017437 559 Uncharacterized protein of unknown function biological_process molecular_function integral to membrane|fungal-type vacuole YER132C PMD1 hom FT CELL CYCLE 0.0274645050907982 0.111665084174225 560 Protein with an N-terminal kelch-like domain, putative negative regulator of early meiotic gene expression; required, with Mds3p, for growth under alkaline conditions sporulation resulting in formation of a cellular spore molecular_function cytoplasm YGR069W_d YGR069W hom 0.0273819286852319 0.112961197667581 561 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBR227C MCX1 hom FT MITOCHONDRION 0.027380894622576 0.112759991685476 562 Mitochondrial matrix protein; putative ATP-binding chaperone with non-proteolytic function; similar to bacterial ClpX proteins protein refolding molecular_function mitochondrion|mitochondrial matrix YHR076W PTC7 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.0273359135220328 0.113352524009835 563 Type 2C protein phosphatase (PP2C); alternatively spliced to create two mRNA isoforms; protein from spliced form localizes to the mitochondria while the one from the unspliced form is localized to the nuclear envelope biological_process protein serine/threonine phosphatase activity nuclear envelope|mitochondrion YCR013C_d YCR013C het 0.0273350881746279 0.11336341910544 564 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; transcription of both YCR013C and the overlapping essential gene PGK1 is reduced in a gcr1 null mutant Unknown Unknown Unknown YOR322C LDB19 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|GOLGI APPARATUS|PLASMA MEMBRANE 0.0273031344662406 0.113785862096748 565 Protein involved in regulating the endocytosis of plasma membrane proteins by recruiting the ubiquitin ligase Rsp5p to its target; inhibited by Npr1p-mediated phosphorylation, which affects translocation between the cytosol and the plasma membrane; null mutant has reduced affinity for alcian blue dye ubiquitin-dependent endocytosis ubiquitin protein ligase binding cytosol|Golgi apparatus|plasma membrane|clathrin-coated vesicle|cytoplasm YML061C PIF1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0272900412473252 0.114229249664639 566 DNA helicase; exists in a nuclear form that acts as a catalytic inhibitor of telomerase; and as a mitochondrial form involved in repair and recombination of mitochondrial DNA; mutations affect zinc and iron homeostasis; regulated by Rad53p-dependent phosphorylation in rho0 cells chromosome organization|negative regulation of telomere maintenance via telomerase|telomere maintenance|mitochondrial genome maintenance|DNA recombination DNA helicase activity|telomerase inhibitor activity mitochondrion|nucleus|mitochondrial membrane YHR038W RRF1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0272812190224123 0.114076310183354 567 Mitochondrial ribosome recycling factor, essential for mitochondrial protein synthesis and for the maintenance of the respiratory function of mitochondria mitochondrial translation translation release factor activity mitochondrion YGR219W_d YGR219W hom 0.0272734620157061 0.114233233530354 568 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF MRPL9/YGR220C Unknown Unknown Unknown YHL001W RPL14B hom FT TRANSLATION|RIBOSOME 0.0272202210841808 0.115104510871866 569 Ribosomal 60S subunit protein L14B; homologous to mammalian ribosomal protein L14, no bacterial homolog; RPL14B has a paralog, RPL14A, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YOL120C RPL18A het FF|FT TRANSLATION|RIBOSOME 0.0271958430929828 0.11521337489057 570 Ribosomal 60S subunit protein L18A; intron of RPL18A pre-mRNA forms stem-loop structures that are a target for Rnt1p cleavage leading to degradation; homologous to mammalian ribosomal protein L18, no bacterial homolog; RPL18A has a paralog, RPL18B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YMR153W NUP53 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0271756635601111 0.115483430075651 571 FG-nucleoporin component of central core of nuclear pore complex (NPC); also part of the NPC nuclear basket; contributes directly to nucleocytoplasmic transport; involved in regulation of transcription and mitosis; induces membrane tubulation, which may contribute to nuclear pore assembly; NUP53 has a paralog, ASM4, that arose from the whole genome duplication positive regulation of transcription, DNA-dependent|NLS-bearing substrate import into nucleus|regulation of protein desumoylation|nuclear pore organization|protein import into nucleus|regulation of mitosis|mitotic cell cycle spindle assembly checkpoint nucleocytoplasmic transporter activity|phospholipid binding|single-stranded DNA binding nuclear pore central transport channel|nuclear pore nuclear basket|integral to membrane|nuclear pore YLR404W FLD1 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0270487522501676 0.117193256242543 572 Seipin protein involved in lipid droplet morphology, number, and size; proposed to be involved in lipid metabolism; related to the human BSCL2 which is associated with lipodystrophy lipid particle organization molecular_function integral to membrane|endoplasmic reticulum|cortical endoplasmic reticulum YKL010C UFD4 hom FT PROTEOLYSIS|MITOCHONDRION 0.0270217548157995 0.117833419283005 573 Ubiquitin-protein ligase (E3); interacts with Rpt4p and Rpt6p, two subunits of the 19S particle of the 26S proteasome; cytoplasmic E3 involved in the degradation of ubiquitin fusion proteins; relative distribution to the nucleus increases upon DNA replication stress protein monoubiquitination|protein polyubiquitination ubiquitin-protein ligase activity mitochondrion|cytoplasm YJL107C_p YJL107C hom 0.0270072036788186 0.11781208382067 574 Putative protein of unknown function; expression is induced by activation of the HOG1 mitogen-activated signaling pathway and this induction is Hog1p/Pbs2p dependent; YJL107C and adjacent ORF, YJL108C are merged in related fungi biological_process molecular_function cellular_component YHL020C OPI1 hom FT TRANSCRIPTION FROM RNA POL II|LIPID METABOLISM|SIGNALING|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.026967681208492 0.118295851350797 575 Transcriptional regulator of a variety of genes; phosphorylation by protein kinase A stimulates Opi1p function in negative regulation of phospholipid biosynthetic genes; involved in telomere maintenance endoplasmic reticulum unfolded protein response|negative regulation of transcription from RNA polymerase II promoter|phospholipid biosynthetic process|positive regulation of transcription from RNA polymerase II promoter transcription corepressor activity nuclear membrane|nucleoplasm|nuclear envelope|endoplasmic reticulum|nucleus YLR457C NBP1 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CYTOSKELETON 0.0269428785933594 0.118634795444315 576 Spindle pole body (SPB) component; required for the insertion of the duplication plaque into the nuclear membrane during SPB duplication; essential for bipolar spindle formation; component of the Mps2p-Bbp1p complex; NBP1 has a paralog, YPR174C, that arose from the whole genome duplication establishment of spindle pole body localization to nuclear envelope|spindle pole body duplication associated with nuclear envelope lipid binding integral to nuclear inner membrane|central plaque of spindle pole body|spindle pole body YHL046C PAU13 hom 0.0268891546084222 0.119371578636812 577 Protein of unknown function, member of the seripauperin multigene family encoded mainly in subtelomeric regions; expression is induced after ethanol shock biological_process molecular_function cellular_component YNL075W IMP4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0268755510798295 0.11955870803113 578 Component of the SSU processome, which is required for pre-18S rRNA processing; interacts with Mpp10p; member of a superfamily of proteins that contain a sigma(70)-like motif and associate with RNAs rRNA processing snoRNA binding|single-stranded telomeric DNA binding|rRNA primary transcript binding small-subunit processome|Mpp10 complex|90S preribosome YNL264C PDR17 hom FT LIPID METABOLISM 0.0268754487810516 0.119560116117226 579 Phosphatidylinositol transfer protein (PITP), downregulates Plb1p-mediated turnover of phosphatidylcholine, found in the cytosol and microsomes, homologous to Pdr16p, deletion affects phospholipid composition Golgi to plasma membrane protein transport|phosphatidylserine metabolic process|response to drug|sterol biosynthetic process|Unknown|phospholipid transport|phospholipid biosynthetic process phosphatidylinositol transporter activity|phosphatidylcholine transporter activity endosome|cell periphery|cytosol|cytoplasm YDL166C FAP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0268581547109177 0.119798346147583 580 Essential NTPase required for small ribosome subunit synthesis, mediates processing of the 20S pre-rRNA at site D in the cytoplasm but associates only transiently with 43S preribosomes via Rps14p, may be the endonuclease for site D cellular response to oxidative stress|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal small subunit export from nucleus nucleoside-triphosphatase activity nucleus|preribosome|cytoplasm YOR381W FRE3 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.0268428431212111 0.120009577053827 581 Ferric reductase, reduces siderophore-bound iron prior to uptake by transporters; expression induced by low iron levels cellular iron ion homeostasis|siderophore transport ferric-chelate reductase activity integral to membrane|plasma membrane YLR402W_d YLR402W hom 0.0268125421053224 0.120539147991655 582 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YCL054W SPB1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0267992739869258 0.120667601616399 583 AdoMet-dependent methyltransferase involved in rRNA processing and 60S ribosomal subunit maturation; methylates G2922 in the tRNA docking site of the large subunit rRNA and in the absence of snR52, U2921; suppressor of PAB1 mutants maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|rRNA methylation rRNA (uridine-2'-O-)-methyltransferase activity|rRNA (guanine) methyltransferase activity nucleolus|nucleus|preribosome, large subunit precursor YIL022W TIM44 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0267813754699729 0.120860489100837 584 Essential component of the Translocase of the Inner Mitochondrial membrane (TIM23 complex); tethers the import motor and regulatory factors (PAM complex) to the translocation channel (Tim23p-Tim17p core complex) protein import into mitochondrial matrix protein binding, bridging|chaperone binding mitochondrion|integral to membrane|presequence translocase-associated import motor YLR254C NDL1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS|CYTOSKELETON 0.0267797406534597 0.120883184530541 585 Homolog of nuclear distribution factor NudE, NUDEL; interacts with Pac1p and regulates dynein targeting to microtubule plus ends nuclear migration along microtubule microtubule plus-end binding cytoplasmic microtubule|nucleus|cytoplasm YKR007W MEH1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS 0.02677207540499 0.121267178404981 586 Component of the EGO complex, which is involved in the regulation of microautophagy, and of the GSE complex, which is required for proper sorting of amino acid permease Gap1p; loss results in a defect in vacuolar acidification microautophagy|vacuolar acidification molecular_function fungal-type vacuole membrane|EGO complex|late endosome membrane YFL034C-A RPL22B hom FT TRANSLATION|RIBOSOME 0.0267347685267476 0.121508820565359 587 Ribosomal 60S subunit protein L22B; homologous to mammalian ribosomal protein L22, no bacterial homolog; RPL22B has a paralog, RPL22A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YIL146C ATG32 hom FT CELL WALL ORG/BIOGENESIS|MITOCHONDRION 0.0267062144396804 0.121907366646167 588 Mitochondrial outer membrane protein required to initiate mitophagy; recruits the autophagy adaptor protein Atg11p and the ubiquitin-like protein Atg8p to the mitochondrial surface to initiate mitophagy, the selective vacuolar degradation of mitochondria in response to starvation; can promote pexophagy when placed ectopically in the peroxisomal membrane fungal-type cell wall organization|mitochondrion degradation molecular_function integral to mitochondrial outer membrane YJL167W ERG20 het FT LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.0266977892540965 0.12235957970349 589 Farnesyl pyrophosphate synthetase, has both dimethylallyltranstransferase and geranyltranstransferase activities; catalyzes the formation of C15 farnesyl pyrophosphate units for isoprenoid and sterol biosynthesis farnesyl diphosphate biosynthetic process|ergosterol biosynthetic process|isoprenoid biosynthetic process dimethylallyltranstransferase activity|geranyltranstransferase activity endoplasmic reticulum|cytoplasm YBL005W PDR3 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0266875002877911 0.122169124640865 590 Transcriptional activator of the pleiotropic drug resistance network; regulates expression of ATP-binding cassette (ABC) transporters through binding to cis-acting sites known as PDREs (PDR responsive elements); post-translationally up-regulated in cells lacking a functional mitochondrial genome; PDR3 has a paralog, PDR1, that arose from the whole genome duplication; relative distribution to the nucleus increases upon DNA replication stress Unknown|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus|cytoplasm YMR098C ATP25 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0266867773610335 0.122681547855294 591 Mitochondrial protein required for the stability of Oli1p (Atp9p) mRNA and for the Oli1p ring formation; YMR098C is not an essential gene mRNA stabilization|mitochondrial proton-transporting ATP synthase complex assembly molecular_function mitochondrion|mitochondrial inner membrane YMR081C ISF1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0266700906959925 0.122413029588483 592 Serine-rich, hydrophilic protein with similarity to Mbr1p; overexpression suppresses growth defects of hap2, hap3, and hap4 mutants; expression is under glucose control; cotranscribed with NAM7 in a cyp1 mutant aerobic respiration molecular_function cellular_component YER116C SLX8 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0266373789169296 0.12287234369856 593 Subunit of Slx5-Slx8 SUMO-targeted ubiquitin ligase (STUbL) complex; stimulated by prior attachment of SUMO to the substrate; contains a C-terminal RING domain; forms nuclear foci upon DNA replication stress protein sumoylation|telomere maintenance|response to DNA damage stimulus|protein ubiquitination ubiquitin-protein ligase activity ubiquitin ligase complex|nucleus YGL167C PMR1 hom FT VESICLE-MEDIATED TRANSPORT|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0266273928122083 0.123012828803697 594 High affinity Ca2+/Mn2+ P-type ATPase required for Ca2+ and Mn2+ transport into Golgi; involved in Ca2+ dependent protein sorting and processing; mutations in human homolog ATP2C1 cause acantholytic skin condition Hailey-Hailey disease manganese ion transport|calcium ion transport|exocytosis manganese-transporting ATPase activity|calcium-transporting ATPase activity|calcium ion binding integral to membrane|Golgi membrane YJL063C MRPL8 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0266146932778604 0.123191667686816 595 Mitochondrial ribosomal protein of the large subunit mitochondrial genome maintenance|mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YCR020C PET18 hom 0.026603812599233 0.123345054231608 596 Protein of unknown function, has weak similarity to proteins involved in thiamin metabolism; expression is induced in the absence of thiamin thiamine metabolic process molecular_function cytosol YNL256W FOL1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0265967781948907 0.123444298577929 597 Multifunctional enzyme of the folic acid biosynthesis pathway, has dihydropteroate synthetase, dihydro-6-hydroxymethylpterin pyrophosphokinase, and dihydroneopterin aldolase activities tetrahydrofolate biosynthetic process dihydroneopterin aldolase activity|2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity|dihydropteroate synthase activity mitochondrial envelope|mitochondrion|cytoplasm YGR280C PXR1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0265837457859868 0.123628329959163 598 Essential protein involved in rRNA and snoRNA maturation; competes with TLC1 RNA for binding to Est2p, suggesting a role in negative regulation of telomerase; human homolog inhibits telomerase; contains a G-patch RNA interacting domain box C/D snoRNA 3'-end processing|negative regulation of telomere maintenance via telomerase telomerase inhibitor activity nucleoplasm|nucleolus YGL129C RSM23 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0265733830614009 0.123774815297705 599 Mitochondrial ribosomal protein of the small subunit, has similarity to mammalian apoptosis mediator proteins; null mutation prevents induction of apoptosis by overproduction of metacaspase Mca1p mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YNL011C_p YNL011C hom 0.0265551276171955 0.124033199831459 600 Putative protein of unknown function; YNL011C is not an essential gene biological_process molecular_function cellular_component YDR052C DBF4 het FT CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION 0.0265512189365642 0.124088577292185 601 Regulatory subunit of Cdc7p-Dbf4p kinase complex; required for Cdc7p kinase activity and initiation of DNA replication; phosphorylates the Mcm2-7 family of proteins; cell cycle regulated; relative distribution to the nucleus increases upon DNA replication stress negative regulation of exit from mitosis|DNA replication initiation|positive regulation of protein kinase activity DNA replication origin binding|protein serine/threonine kinase activator activity Dbf4-dependent protein kinase complex YFL002C SPB4 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0265121053961589 0.124643793152591 602 Putative ATP-dependent RNA helicase, nucleolar protein required for synthesis of 60S ribosomal subunits at a late step in the pathway; sediments with 66S pre-ribosomes in sucrose gradients ribosomal large subunit assembly|rRNA processing ATP-dependent RNA helicase activity nucleolus|90S preribosome YHR192W LNP1 hom 0.0265118791152406 0.124647010830117 603 Lunapark family member involved in ER network formation; localizes to ER junctions and this localization is regulated by the yeast atlastin ortholog Sey1p; interacts with the reticulon protein Rtn1p; induced in response to the DNA-damaging agent MMS endoplasmic reticulum tubular network organization molecular_function endoplasmic reticulum tubular network|cytoplasm YLR377C FBP1 hom FT CARBOHYDRATE METABOLISM 0.0265042147810694 0.124756034648033 604 Fructose-1,6-bisphosphatase, key regulatory enzyme in the gluconeogenesis pathway, required for glucose metabolism; undergoes either proteasome-mediated or autophagy-mediated degradation depending on growth conditions; interacts with Vid30p gluconeogenesis|reactive oxygen species metabolic process fructose 1,6-bisphosphate 1-phosphatase activity cytosol YLL029W FRA1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEOLYSIS 0.0265028357305431 0.124944433825077 605 Protein involved in negative regulation of transcription of iron regulon; forms an iron independent complex with Fra2p, Grx3p, and Grx4p; cytosolic; mutant fails to repress transcription of iron regulon and is defective in spore formation negative regulation of transcription from RNA polymerase II promoter in response to iron molecular_function cytosol|cytoplasm YHL038C CBP2 hom FT RNA PROCESSING|MITOCHONDRION 0.0264948704367279 0.124889056853681 606 Required for splicing of the group I intron bI5 of the COB pre-mRNA; nuclear-encoded mitochondrial protein that binds to the RNA to promote splicing; also involved in but not essential for splicing of the COB bI2 intron and the intron in the 21S rRNA gene Group I intron splicing RNA binding mitochondrion YLR283W_p YLR283W hom FT MITOCHONDRION 0.026490314561647 0.12523556436638 607 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to mitochondria; YLR283W is not an essential gene biological_process molecular_function mitochondrion YJL071W ARG2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0264331004836299 0.125771170643927 608 Acetylglutamate synthase (glutamate N-acetyltransferase), mitochondrial enzyme that catalyzes the first step in the biosynthesis of the arginine precursor ornithine; forms a complex with Arg5,6p arginine biosynthetic process|ornithine biosynthetic process acetyl-CoA:L-glutamate N-acetyltransferase activity mitochondrial matrix YGL175C SAE2 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0264327755945672 0.126058261427403 609 Endonuclease that processes hairpin DNA structures with the MRX complex; involved in meiotic and mitotic double-strand break repair; phosphorylated in response to DNA damage and required for normal resistance to DNA-damaging agents DNA double-strand break processing|DNA catabolic process, endonucleolytic|meiotic DNA double-strand break formation|meiotic DNA double-strand break processing|gene conversion at mating-type locus, DNA double-strand break processing double-stranded DNA binding|single-stranded DNA specific endodeoxyribonuclease activity nucleus|cytoplasm YMR060C SAM37 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0264305660226123 0.125807467701856 610 Component of the Sorting and Assembly Machinery (SAM or TOB complex) of the mitochondrial outer membrane, which binds precursors of beta-barrel proteins and facilitates their outer membrane insertion; contributes to SAM complex stability mitochondrial outer membrane translocase complex assembly|protein import into mitochondrial outer membrane|phospholipid transport molecular_function mitochondrial outer membrane|mitochondrial sorting and assembly machinery complex|mitochondrion|integral to membrane YOR192C THI72 hom 0.0264033369645851 0.126424172994721 611 Transporter of thiamine or related compound; shares sequence similarity with Thi7p thiamine transport transporter activity integral to membrane|membrane YNL081C SWS2 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0263826994346767 0.12649451771557 612 Putative mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S13 ribosomal protein; participates in controlling sporulation efficiency regulation of sporulation resulting in formation of a cellular spore|mitochondrial translation structural constituent of ribosome mitochondrial small ribosomal subunit|cytoplasm YBR249C ARO4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0263582011364198 0.12684728035893 613 3-deoxy-D-arabino-heptulosonate-7-phosphate (DAHP) synthase; catalyzes the first step in aromatic amino acid biosynthesis and is feedback-inhibited by tyrosine or high concentrations of phenylalanine or tryptophan; relative distribution to the nucleus increases upon DNA replication stress aromatic amino acid family biosynthetic process 3-deoxy-7-phosphoheptulonate synthase activity nucleus|cytoplasm YHR064C SSZ1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION 0.0263427151878398 0.127070664415238 614 Hsp70 protein that interacts with Zuo1p (a DnaJ homolog) to form a ribosome-associated complex that binds the ribosome via the Zuo1p subunit; also involved in pleiotropic drug resistance via sequential activation of PDR1 and PDR5; binds ATP cytoplasmic translation|regulation of translational fidelity|rRNA processing unfolded protein binding polysome|cytoplasm YDL023C_d YDL023C hom 0.0263278845492772 0.127284882392825 615 Dubious open reading frame, unlikely to encode a protein; not conserved in other Saccharomyces species; overlaps the verified gene GPD1; deletion confers sensitivity to GSAO; deletion in cyr1 mutant results in loss of stress resistance Unknown Unknown Unknown YKL050C YKL050C hom 0.0263164707888924 0.127449937173122 616 Protein of unknown function; the YKL050W protein is a target of the SCFCdc4 ubiquitin ligase complex and YKL050W transcription is regulated by Azf1p biological_process molecular_function cellular_component YOR201C MRM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION 0.0263145863174554 0.127477204579738 617 Ribose methyltransferase that modifies a functionally critical, conserved nucleotide in mitochondrial 21S rRNA rRNA modification rRNA (guanine-N1-)-methyltransferase activity mitochondrion YOL060C MAM3 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS 0.0262924420004906 0.127797962268912 618 Protein required for normal mitochondrial morphology, has similarity to hemolysins cellular manganese ion homeostasis|mitochondrion organization molecular_function fungal-type vacuole membrane|integral to membrane YOR232W MGE1 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0262797301348129 0.128153066747785 619 Mitochondrial matrix cochaperone, acts as a nucleotide release factor for Ssc1p in protein translocation and folding; also acts as cochaperone for Ssq1p in folding of Fe-S cluster proteins; homolog of E. coli GrpE protein refolding|protein import into mitochondrial matrix adenyl-nucleotide exchange factor activity mitochondrion|presequence translocase-associated import motor|mitochondrial matrix YEL064C AVT2 hom FT ENDOPLASMIC RETICULUM 0.0262469036560858 0.128744644802261 620 Putative transporter, member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters transport transporter activity integral to membrane|endoplasmic reticulum YPL056C_p LCL1 hom FT PLASMA MEMBRANE 0.0262132755226207 0.129006869793985 621 Putative protein of unknown function; deletion mutant is fluconazole resistant and has long chronological lifespan biological_process molecular_function cellular_component YMR012W CLU1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION 0.0262079018167209 0.129028288817934 622 eIF3 component of unknown function; deletion causes defects in mitochondrial organization but not in growth or translation initiation, can rescue cytokinesis and mitochondrial organization defects of the Dictyostelium cluA- mutant translational initiation|mitochondrion organization molecular_function eukaryotic translation initiation factor 3 complex|cytoplasm YGL151W NUT1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|MITOCHONDRION 0.026160284939634 0.129725302651063 623 Component of the RNA polymerase II mediator complex, which is required for transcriptional activation and also has a role in basal transcription regulation of transcription from RNA polymerase II promoter|transcription from RNA polymerase II promoter molecular_function mitochondrion|mediator complex|nucleus YOR293W RPS10A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0261502583941598 0.130216285853456 624 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S10, no bacterial homolog; RPS10A has a paralog, RPS10B, that arose from the whole genome duplication cytoplasmic translation|rRNA export from nucleus structural constituent of ribosome cytosolic small ribosomal subunit YNR018W RCF2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0260995087067215 0.13061918321689 625 Cytochrome c oxidase subunit; has a role in assembly of respiratory supercomplexes; similar to Rcf1p, and either Rcf1p or Rcf2p is required for late-stage assembly of the Cox12p and Cox13p subunits and for cytochrome c oxidase activity; associates with the cytochrome c oxidase - cytochrome bc1 supercomplex; null mutant accumulates reactive oxygen species; member of the conserved hypoxia induced gene family; C. elegans homolog is functional in yeast mitochondrial respiratory chain complex IV assembly molecular_function mitochondrion|mitochondrial respiratory chain supercomplex|mitochondrial respiratory chain complex IV|integral to mitochondrial inner membrane YDR035W ARO3 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS|MITOCHONDRION 0.026010744633951 0.132279479858613 626 3-deoxy-D-arabino-heptulosonate-7-phosphate (DAHP) synthase, catalyzes the first step in aromatic amino acid biosynthesis and is feedback-inhibited by phenylalanine or high concentration of tyrosine or tryptophan aromatic amino acid family biosynthetic process 3-deoxy-7-phosphoheptulonate synthase activity mitochondrion|nucleus|cytoplasm YMR215W GAS3 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0260095402527536 0.131951173928736 627 Low abundance, possibly inactive member of the GAS family of GPI-containing proteins; putative 1,3-beta-glucanosyltransferase with similarity to other GAS family members; localizes to the cell wall; mRNA induced during sporulation biological_process 1,3-beta-glucanosyltransferase activity fungal-type cell wall|integral to membrane|plasma membrane YDR177W UBC1 het FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|PROTEOLYSIS 0.0260068079379712 0.131991790073268 628 Ubiquitin-conjugating enzyme; mediates selective degradation of short-lived and abnormal proteins; plays a role in vesicle biogenesis and ER-associated protein degradation (ERAD); component of the cellular stress response; protein abundance increases in response to DNA replication stress spore germination|vesicle organization|endocytosis|ER-associated protein catabolic process|protein ubiquitination involved in ubiquitin-dependent protein catabolic process|protein polyubiquitination|protein monoubiquitination ubiquitin-protein ligase activity proteasome complex YKR082W NUP133 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0259770551465039 0.132434695438886 629 Subunit of the Nup84p subcomplex of the nuclear pore complex (NPC); contributes to nucleocytoplasmic transport and NPC biogenesis and is involved in establishment of a normal nucleocytoplasmic concentration gradient of the GTPase Gsp1p; also plays roles in several processes that may require localization of genes or chromosomes at the nuclear periphery, including double-strand break repair, transcription and chromatin silencing; homologous to human NUP133 poly(A)+ mRNA export from nucleus|double-strand break repair|maintenance of chromatin silencing at telomere|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|tRNA export from nucleus|telomere tethering at nuclear periphery|nuclear pore distribution|mRNA export from nucleus in response to heat stress|positive regulation of transcription, DNA-dependent|negative regulation of transcription from RNA polymerase II promoter|protein import into nucleus|positive regulation of transcription from RNA polymerase II promoter|chromatin silencing at silent mating-type cassette structural constituent of nuclear pore integral to membrane|nuclear pore|nuclear pore outer ring YBR135W CKS1 het FT CELL CYCLE|CHROMATIN ORGANIZATION|CELL DIVISION|NUCLEUS 0.0259709509102539 0.132525706272649 630 Cyclin-dependent protein kinase regulatory subunit and adaptor; modulates proteolysis of M-phase targets through interactions with the proteasome; role in transcriptional regulation, recruiting proteasomal subunits to target gene promoters positive regulation of transcription, DNA-dependent|regulation of cell cycle|transcription, DNA-dependent|chromatin remodeling ubiquitin binding|protein kinase activator activity|histone binding cyclin-dependent protein kinase holoenzyme complex|nucleus|cytoplasm YMR064W AEP1 hom FT TRANSLATION|MITOCHONDRION 0.0259623250817091 0.132654395210729 631 Protein required for expression of the mitochondrial OLI1 gene encoding subunit 9 of F1-F0 ATP synthase regulation of translation translation regulator activity mitochondrion YHR103W SBE22 hom FT PROTEIN LOCALIZATION|CELL WALL ORG/BIOGENESIS|GOLGI APPARATUS 0.0259046361424247 0.133517545907539 632 Protein involved in the transport of cell wall components from the Golgi to the cell surface; similar in structure and functionally redundant with Sbe2p; involved in bud growth fungal-type cell wall organization molecular_function cytoplasm YCR037C PHO87 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0258723469391816 0.134002554414346 633 Low-affinity inorganic phosphate (Pi) transporter; involved in activation of PHO pathway; expression is independent of Pi concentration and Pho4p activity; contains 12 membrane-spanning segments; PHO87 has a paralog, PHO90, that arose from the whole genome duplication phosphate ion transport|transmembrane transport inorganic phosphate transmembrane transporter activity integral to membrane|membrane YML091C RPM2 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0258675759715568 0.134074333345414 634 Protein subunit of mitochondrial RNase P, has roles in nuclear transcription, cytoplasmic and mitochondrial RNA processing, and mitochondrial translation; distributed to mitochondria, cytoplasmic processing bodies, and the nucleus cytoplasmic translation|tRNA 5'-leader removal|mRNA processing|mitochondrion organization|RNA processing|positive regulation of transcription from RNA polymerase II promoter ribonuclease P activity mitochondrion|nucleus|mitochondrial matrix|cytoplasmic mRNA processing body|mitochondrial ribonuclease P complex YMR063W RIM9 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0258543696838159 0.134913480864187 635 Plasma membrane protein of unknown function; involved in the proteolytic activation of Rim101p in response to alkaline pH; interacts with Rim21p and Dfg16p to form a pH-sensing complex in the Rim101 pathway and is required to maintain Rim21p levels; has similarity to A. nidulans PalI; ascospore formation molecular_function integral to membrane YBR086C IST2 hom FT PLASMA MEMBRANE 0.0258235861058691 0.13473755951262 636 Cortical ER protein involved in ER-plasma membrane tethering; one of 6 proteins (Ist2p, Scs2p, Scs22p, Tcb1p, Tcb2p, Tcb3p) that connect ER to the plasma membrane (PM) and regulate PM phosphatidylinositol-4-phosphate (PI4P) levels by controlling access of Sac1p phosphatase to its substrate PI4P in the PM; localizes to the mother cell in small-budded cells and to the bud in medium- and large-budded cells; mRNA is transported to the bud tip by an actomyosin-driven process response to osmotic stress lipid binding integral to membrane|cellular bud membrane|plasma membrane YKL003C MRP17 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0258208841063596 0.134778379485714 637 Mitochondrial ribosomal protein of the small subunit; MRP17 exhibits genetic interactions with PET122, encoding a COX3-specific translational activator mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YBR298C MAL31 hom FT CARBOHYDRATE METABOLISM 0.0257377789246158 0.136506480181789 638 Maltose permease, high-affinity maltose transporter (alpha-glucoside transporter); encoded in the MAL3 complex locus; member of the 12 transmembrane domain superfamily of sugar transporters; functional in genomic reference strain S288C alpha-glucoside transport|transmembrane transport alpha-glucoside:hydrogen symporter activity integral to membrane|membrane YDL114W_p YDL114W hom FT OXIDATION-REDUCTION PROCESS 0.0257276391711325 0.136426776444155 639 Putative short-chain dehydrogenase/reductase; YDL114W is not an essential gene biological_process molecular_function integral to membrane YOR200W_d YOR200W hom 0.0256557704406605 0.137290981036422 640 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF MRM1/YOR201c Unknown Unknown Unknown YMR029C FAR8 hom FT CELL CYCLE|SIGNALING|ENDOPLASMIC RETICULUM 0.0256493029618035 0.137390129235304 641 Protein involved in recovery from cell cycle arrest in response to pheromone, in a Far1p-independent pathway; interacts with Far3p, Far7p, Far9p, Far10p, and Far11p re-entry into mitotic cell cycle after pheromone arrest molecular_function cellular_component YNL112W DBP2 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 0.0256120797623852 0.13825582759182 642 ATP-dependent RNA helicase of the DEAD-box protein family; has a strong preference for dsRNA; involved mRNA decay and rRNA processing; may be involved in suppression of transcription from cryptic initiation sites nuclear-transcribed mRNA catabolic process, nonsense-mediated decay|rRNA processing RNA helicase activity mitochondrion|nucleus|cytoplasm YBR033W_p EDS1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.025604603340212 0.138076896110846 643 Putative zinc cluster protein, predicted to be a transcription factor; not an essential gene; EDS1 has a paralog, RGT1, that arose from the whole genome duplication biological_process sequence-specific DNA binding cellular_component YJL090C DPB11 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|CHROMOSOME 0.025594951117653 0.138225539859616 644 DNA replication initiation protein; loads DNA pol epsilon onto pre-replication complexes at origins; checkpoint sensor recruited to stalled replication forks by the checkpoint clamp complex where it activates Mec1p; ortholog of human TopBP1; forms nuclear foci upon DNA replication stress lagging strand elongation|recombinational repair|nucleotide-excision repair|DNA replication initiation|mismatch repair|positive regulation of protein phosphorylation|mating type switching|DNA replication checkpoint|double-strand break repair via break-induced replication|mitotic cell cycle G2/M transition DNA damage checkpoint|leading strand elongation protein kinase activator activity|protein binding DNA replication preinitiation complex|replication fork|epsilon DNA polymerase complex YLR285C-A_p YLR285C-A hom 0.0255815151660985 0.138491482656088 645 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YLR144C ACF2 hom FT CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION 0.0255798384968194 0.138458520999126 646 Intracellular beta-1,3-endoglucanase; expression is induced during sporulation; may have a role in cortical actin cytoskeleton assembly; protein abundance increases in response to DNA replication stress actin cytoskeleton organization glucan endo-1,3-beta-D-glucosidase activity intracellular YMR089C YTA12 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0255761803120535 0.138514962215079 647 Component, with Afg3p, of the mitochondrial inner membrane m-AAA protease that mediates degradation of misfolded or unassembled proteins and is also required for correct assembly of mitochondrial enzyme complexes proteolysis|signal peptide processing|protein complex assembly|protein import into mitochondrial intermembrane space metallopeptidase activity|protein binding|ATPase activity|ATP binding mitochondrion|mitochondrial inner boundary membrane|mitochondrial inner membrane|m-AAA complex|cytoplasm YML007C-A_p YML007C-A hom FF|FT MITOCHONDRION 0.0255649720122523 0.138688002567851 648 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to mitochondria biological_process molecular_function mitochondrion YKL139W CTK1 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|RESPONSE TO DNA DAMAGE|TRANSLATION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0255430912341408 0.139026290500355 649 Catalytic (alpha) subunit of C-terminal domain kinase I (CTDK-I); phosphorylates both RNA pol II subunit Rpo21p to affect transcription and pre-mRNA 3' end processing, and ribosomal protein Rps2p to increase translational fidelity; similar to the Drosophila dCDK12 and human CDK12 and probably CDK13 mRNA 3'-end processing|phosphorylation of RNA polymerase II C-terminal domain|positive regulation of translational fidelity|positive regulation of transcription from RNA polymerase I promoter|peptidyl-serine phosphorylation|positive regulation of DNA-dependent transcription, elongation|protein phosphorylation protein kinase activity|cyclin-dependent protein kinase activity nucleoplasm|nucleolus|nucleus|polysome|carboxy-terminal domain protein kinase complex YPR147C_p YPR147C hom 0.0255306900557837 0.139218300801065 650 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and is induced in response to the DNA-damaging agent MMS biological_process molecular_function cytoplasm YOR094W ARF3 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|LIPID METABOLISM|MEMBRANE ORGANIZATION|SIGNALING|CELL DIVISION|CYTOSKELETON ORGANIZATION|GOLGI APPARATUS|SITE OF POLARIZED GROWTH 0.0255155292407685 0.139453316372855 651 Glucose-repressible ADP-ribosylation factor, GTPase of the Ras superfamily involved in development of polarity; also has mRNA binding activity intracellular protein transport|positive regulation of phosphatidylinositol biosynthetic process|endocytosis|actin filament bundle assembly|actin cortical patch localization|cellular bud site selection mRNA binding|GTPase activity cellular bud neck|cellular bud tip YDL097C RPN6 het FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS 0.0254798386738176 0.140185173181282 652 Essential, non-ATPase regulatory subunit of the 26S proteasome lid; required for the assembly and activity of the 26S proteasome; the human homolog (S9 protein) partially rescues Rpn6p depletion; protein abundance increases in response to DNA replication stress proteasome assembly|ubiquitin-dependent protein catabolic process structural molecule activity proteasome storage granule|proteasome regulatory particle, lid subcomplex YGL067W NPY1 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.0254434462033961 0.140574890498447 653 NADH diphosphatase (pyrophosphatase), hydrolyzes the pyrophosphate linkage in NADH and related nucleotides; localizes to peroxisomes; nudix hydrolase family member NADH metabolic process NAD+ diphosphatase activity peroxisome|cytoplasm YML047W-A_d YML047W-A hom 0.0254266454713767 0.141133816942743 654 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YMR175W SIP18 hom 0.0254223405242044 0.140904592595143 655 Phospholipid-binding hydrophilin; essential to overcome desiccation-rehydration process; expression is induced by osmotic stress cellular response to water deprivation phospholipid binding cytoplasm YOR215C AIM41 hom FT MITOCHONDRION 0.0253911787260796 0.141392472160923 656 Putative protein of unknown function; the authentic protein is detected in highly purified mitochondria in high-throughput studies; null mutant displays reduced frequency of mitochondrial genome loss biological_process molecular_function mitochondrion YPL176C TRE1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|VACUOLAR TRANSPORT|PLASMA MEMBRANE 0.0253627984996683 0.141837930546598 657 Transferrin receptor-like protein; plasma membrane protein that binds Bsd2p and regulates ubiquitylation and vacuolar degradation of the metal transporter Smf1p; functionally redundant with Tre2p; TRE1 has a paralog, TRE2, that arose from the whole genome duplication protein targeting to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway molecular_function fungal-type vacuole YDR114C_p YDR114C hom 0.0253179879099887 0.142543474140274 658 Putative protein of unknown function; deletion mutant exhibits poor growth at elevated pH and calcium biological_process molecular_function cellular_component YMR260C TIF11 het FT TRANSLATION|RIBOSOME 0.0252762695619723 0.143202748124149 659 Translation initiation factor eIF1A, essential protein that forms a complex with Sui1p (eIF1) and the 40S ribosomal subunit and scans for the start codon; C-terminus associates with Fun12p (eIF5B); N terminus interacts with eIF2 and eIF3 translational initiation double-stranded RNA binding|translation initiation factor activity ribosome YDR034W-B_p YDR034W-B hom 0.0252580073485195 0.143492080236794 660 Predicted tail-anchored plasma membrane protein containing a conserved CYSTM module; related proteins in other organisms may be involved in response to stress; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery biological_process molecular_function cellular_component YOR096W RPS7A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|RIBOSOME 0.0252527858706735 0.143574887554078 661 Protein component of the small (40S) ribosomal subunit; interacts with Kti11p; deletion causes hypersensitivity to zymocin; homologous to mammalian ribosomal protein S7, no bacterial homolog; RPS7A has a paralog, RPS7B, that arose from the whole genome duplication cytoplasmic translation|ribosome biogenesis structural constituent of ribosome small-subunit processome|cytosolic small ribosomal subunit|90S preribosome YLR176C RFX1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0252280470074478 0.143967718777031 662 Major transcriptional repressor of DNA-damage-regulated genes, recruits repressors Tup1p and Cyc8p to their promoters; involved in DNA damage and replication checkpoint pathway; similar to a family of mammalian DNA binding RFX1-4 proteins negative regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding nucleus|cytoplasm YMR020W FMS1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM 0.0251993929325131 0.144423749080806 663 Polyamine oxidase, converts spermine to spermidine, which is required for the essential hypusination modification of translation factor eIF-5A; also involved in pantothenic acid biosynthesis pantothenate biosynthetic process|polyamine catabolic process polyamine oxidase activity cytoplasm YPL112C PEX25 hom FT PROTEIN LOCALIZATION|PEROXISOME ORGANIZATION 0.0251446196023592 0.145298546336425 664 Peripheral peroxisomal membrane peroxin required for the regulation of peroxisome size and maintenance, recruits GTPase Rho1p to peroxisomes, induced by oleate, interacts with homologous protein Pex27p protein import into peroxisome matrix|peroxisome organization molecular_function peroxisomal membrane YPR053C_d YPR053C hom 0.0251348537510508 0.145454944144146 665 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified gene NHP6A/YPR052C Unknown Unknown Unknown YLL042C ATG10 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0251113189940207 0.145832377121515 666 Conserved E2-like conjugating enzyme that mediates formation of the Atg12p-Atg5p conjugate, which is a critical step in autophagy piecemeal microautophagy of nucleus|cellular protein modification process|mitochondrion degradation|macroautophagy|CVT pathway Atg12 ligase activity cellular_component YBL091C-A SCS22 hom FT LIPID METABOLISM 0.0251095929655634 0.145860087352496 667 Protein involved in regulation of phospholipid metabolism; one of 6 proteins (Ist2p, Scs2p, Scs22p, Tcb1p, Tcb2p, Tcb3p) that connect ER to the plasma membrane (PM) and regulate PM phosphatidylinositol-4-phosphate (PI4P) levels by controlling access of Sac1p phosphatase to its substrate PI4P in the PM; similar to D. melanogaster inturned protein; SCS22 has a paralog, SCS2, that arose from the whole genome duplication phospholipid biosynthetic process|chromatin silencing at telomere molecular_function cellular_component YOR350C MNE1 hom FT RNA PROCESSING|MITOCHONDRION 0.0251084690699653 0.145878132909205 668 Mitochondrial matrix protein involved in splicing Group I aI5-beta intron from COX1 mRNA Group I intron splicing molecular_function mitochondrion|ribonucleoprotein complex|mitochondrial matrix YGL068W MNP1 het FT TRANSLATION|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0250947500026516 0.146098547489519 669 Protein associated with the mitochondrial nucleoid; putative mitochondrial ribosomal protein with similarity to E. coli L7/L12 ribosomal protein; required for normal respiratory growth aerobic respiration structural constituent of ribosome mitochondrial nucleoid|mitochondrion YOL015W IRC10 hom 0.0250557654486553 0.146967430127202 670 Putative protein of unknown function; null mutant displays increased levels of spontaneous Rad52p foci biological_process molecular_function cellular_component YBR268W MRPL37 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.025024505741945 0.147291435889064 671 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YJL005W CYR1 het FT SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.024993977043418 0.147725411352812 672 Adenylate cyclase, required for cAMP production and cAMP-dependent protein kinase signaling; the cAMP pathway controls a variety of cellular processes, including metabolism, cell cycle, stress response, stationary phase, and sporulation adenylate cyclase-modulating G-protein coupled receptor signaling pathway|Ras protein signal transduction adenylate cyclase activity mitochondrion|plasma membrane YPL074W YTA6 hom 0.024972915115348 0.148067173783288 673 Putative ATPase of the CDC48/PAS1/SEC18 (AAA) family; localized to the cortex of mother cells but not to daughter cells; relocalizes from cytoplasm to plasma membrane foci upon DNA replication stress biological_process ATPase activity cell cortex YOL089C HAL9 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|MITOCHONDRION 0.0249586117653404 0.148299611837837 674 Putative transcription factor containing a zinc finger; overexpression increases salt tolerance through increased expression of the ENA1 (Na+/Li+ extrusion pump) gene while gene disruption decreases both salt tolerance and ENA1 expression; HAL9 has a paralog, TBS1, that arose from the whole genome duplication response to salt stress|positive regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding mitochondrion|nucleus YDR060W MAK21 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0249568523509802 0.14832822261222 675 Constituent of 66S pre-ribosomal particles, required for large (60S) ribosomal subunit biogenesis; involved in nuclear export of pre-ribosomes; required for maintenance of dsRNA virus; homolog of human CAATT-binding protein ribosomal large subunit assembly molecular_function Noc1p-Noc2p complex YJR100C AIM25 hom FT MITOCHONDRION 0.0249407189777965 0.148833146021979 676 Putative protein of unknown function; non-tagged protein is detected in purified mitochondria in high-throughput studies; similar to murine NOR1; null mutant is viable and displays elevated frequency of mitochondrial genome loss biological_process molecular_function mitochondrion YGR010W NMA2 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.024923215481392 0.149118578525669 677 Nicotinic acid mononucleotide adenylyltransferase; catalyzes the transfer of the adenylyl moiety of ATP to nicotinamide mononucleotide to form NAD; involved in de novo and salvage synthesis of NAD(+); NMA2 has a paralog, NMA1, that arose from the whole genome duplication NAD biosynthetic process nicotinamide-nucleotide adenylyltransferase activity nucleus YGR111W_p YGR111W hom FT NUCLEUS 0.0249158595549904 0.148996021861909 678 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and the nucleus regulation of cell size molecular_function nucleus|cytoplasm YOL100W PKH2 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0249001449589969 0.149252630244621 679 Serine/threonine protein kinase involved in sphingolipid-mediated signaling pathway that controls endocytosis; activates Ypk1p and Ykr2p, components of signaling cascade required for maintenance of cell wall integrity; redundant with Pkh1p regulation of nuclear-transcribed mRNA poly(A) tail shortening|protein phosphorylation|MAPK cascade involved in cell wall biogenesis|cytoplasmic mRNA processing body assembly protein kinase activity cell cortex|eisosome|nucleus YGR161C_p RTS3 hom FT NUCLEUS 0.0248911953177668 0.149398922239763 680 Putative component of the protein phosphatase type 2A complex biological_process molecular_function nucleus|cytoplasm YJL132W_p YJL132W hom 0.0248713776800814 0.149723253123857 681 Putative protein of unknown function; localizes to the membrane fraction; possible Zap1p-regulated target gene induced by zinc deficiency; YJL132W is a non-essential gene biological_process molecular_function membrane YML098W TAF13 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.024866141892874 0.149809030406296 682 TFIID subunit (19 kDa), involved in RNA polymerase II transcription initiation, similar to histone H4 with atypical histone fold motif of Spt3-like transcription factors RNA polymerase II transcriptional preinitiation complex assembly|transcription from RNA polymerase II promoter RNA polymerase II core promoter sequence-specific DNA binding transcription factor activity involved in preinitiation complex assembly nucleus|transcription factor TFIID complex YBR007C DSF2 hom FF 0.0248595271321401 0.149917452815892 683 Deletion suppressor of mpt5 mutation; relocalizes from bud neck to cytoplasm upon DNA replication stress biological_process molecular_function cellular_component YLR299W ECM38 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0248076102316433 0.150892330104316 684 Gamma-glutamyltranspeptidase, major glutathione-degrading enzyme; involved in detoxification of electrophilic xenobiotics; expression induced mainly by nitrogen starvation xenobiotic metabolic process|glutathione catabolic process gamma-glutamyltransferase activity fungal-type vacuole YPR130C_d YPR130C hom 0.0248050246802858 0.150813079845819 685 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YMR316C-A_p YMR316C-A hom 0.0248029806139311 0.150846748679146 686 Protein of unknown function; mRNA identified as translated by ribosome profiling data; overlaps the verified gene DIA1/YMR316W biological_process molecular_function cellular_component YOR304C-A_p YOR304C-A hom FT SITE OF POLARIZED GROWTH 0.0247036926616549 0.15273392642896 687 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck biological_process molecular_function cellular bud|mating projection tip|cellular bud neck|cytoplasm YFL008W SMC1 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0246920952271886 0.153479584340533 688 Subunit of the multiprotein cohesin complex, essential protein involved in chromosome segregation and in double-strand DNA break repair; SMC chromosomal ATPase family member, binds DNA with a preference for DNA with secondary structure double-strand break repair|mitotic sister chromatid cohesion|mitotic sister chromatid segregation double-stranded DNA binding|ATPase activity|AT DNA binding|DNA secondary structure binding nuclear mitotic cohesin complex YML125C PGA3 het FT PROTEIN LOCALIZATION|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0246876554928904 0.152755615614458 689 Putative cytochrome b5 reductase, localized to the plasma membrane; may be involved in regulation of lifespan; required for maturation of Gas1p and Pho8p, proposed to be involved in protein trafficking; PGA3 has a paralog, AIM33, that arose from the whole genome duplication protein transport|chronological cell aging|replicative cell aging molecular_function endoplasmic reticulum|plasma membrane YPL028W ERG10 het FT LIPID METABOLISM 0.0246411880566254 0.153529918512416 690 Acetyl-CoA C-acetyltransferase (acetoacetyl-CoA thiolase), cytosolic enzyme that transfers an acetyl group from one acetyl-CoA molecule to another, forming acetoacetyl-CoA; involved in the first step in mevalonate biosynthesis ergosterol biosynthetic process acetyl-CoA C-acetyltransferase activity cytosol YGR264C MES1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0246322252964164 0.153679610648293 691 Methionyl-tRNA synthetase, forms a complex with glutamyl-tRNA synthetase (Gus1p) and Arc1p, which increases the catalytic efficiency of both tRNA synthetases; also has a role in nuclear export of tRNAs methionyl-tRNA aminoacylation methionine-tRNA ligase activity methionyl glutamyl tRNA synthetase complex|cytoplasm YKL056C TMA19 hom FT TRANSLATION|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION|CYTOSKELETON 0.02462431892225 0.153811751532236 692 Protein that associates with ribosomes; homolog of translationally controlled tumor protein; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and relocates to the mitochondrial outer surface upon oxidative stress cytoplasmic translation|cellular response to oxidative stress molecular_function cytosol|mitochondrion|ribosome|cytoplasm YDL089W NUR1 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS 0.0246218757655245 0.154098300967631 693 Protein of unknown function; interacts with Csm1p, Lrs4p; required for rDNA repeat stability; null mutant causes increase in unequal sister-chromatid exchange; GFP-fusion protein localizes to the nuclear periphery, possible Cdc28p substrate maintenance of rDNA molecular_function nuclear periphery YNR069C BSC5 hom 0.0245643329839136 0.154878653853368 694 Protein of unknown function; shows homology with N-terminal end of Bul1p; ORF exhibits genomic organization compatible with a translational readthrough-dependent mode of expression; readthrough expression includes YNR068C and the locus for this readthrough is termed BUL3; Bul3p is involved in ubiquitin-mediated sorting of plasma membrane proteins; readthrough and shortened forms of Bul3p interact with Rsp5p differently in vitro biological_process molecular_function cellular_component YMR088C VBA1 hom 0.0245604719235675 0.15711507151908 695 Permease of basic amino acids in the vacuolar membrane basic amino acid transport basic amino acid transmembrane transporter activity fungal-type vacuole membrane|integral to membrane YER129W SAK1 hom FT CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION 0.0245341470820479 0.155386533581035 696 Upstream serine/threonine kinase for the SNF1 complex; partially redundant with Elm1p and Tos3p; members of this family have functional orthology with LKB1, a mammalian kinase associated with Peutz-Jeghers cancer-susceptibility syndrome protein phosphorylation|glucose metabolic process|DNA-dependent DNA replication protein serine/threonine kinase activity|protein kinase activity cytoplasm YPL237W SUI3 het FT TRANSLATION|RIBOSOME 0.0245325152288736 0.155352413032319 697 Beta subunit of the translation initiation factor eIF2, involved in the identification of the start codon; proposed to be involved in mRNA binding translational initiation translation initiation factor activity multi-eIF complex|ribosome|eukaryotic translation initiation factor 2 complex YLR282C_d YLR282C hom 0.024519650581177 0.155754260979539 698 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; deletion mutation confers an increase in Ty1 transposition Unknown Unknown Unknown YNL147W LSM7 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0245172570864311 0.155609608104956 699 Lsm (Like Sm) protein; part of heteroheptameric complexes (Lsm2p-7p and either Lsm1p or 8p): cytoplasmic Lsm1p complex involved in mRNA decay; nuclear Lsm8p complex part of U6 snRNP and possibly involved in processing tRNA, snoRNA, and rRNA; protein abundance increases and forms cytoplasmic foci in response to DNA replication stress nuclear-transcribed mRNA catabolic process|mRNA splicing, via spliceosome|maturation of SSU-rRNA RNA binding U6 snRNP|nucleolus|small nucleolar ribonucleoprotein complex|U4/U6 x U5 tri-snRNP complex|cytoplasm YAL012W CYS3 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0245172308625996 0.156289746373912 700 Cystathionine gamma-lyase, catalyzes one of the two reactions involved in the transsulfuration pathway that yields cysteine from homocysteine with the intermediary formation of cystathionine; protein abundance increases in response to DNA replication stress sulfur amino acid metabolic process|cysteine biosynthetic process|cysteine biosynthetic process via cystathionine|transsulfuration|cysteine metabolic process cystathionine gamma-lyase activity cytoplasm YBR049C REB1 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0244672317722506 0.15645511324093 701 RNA polymerase I enhancer binding protein; DNA binding protein that binds to genes transcribed by both RNA polymerase I and RNA polymerase II; required for termination of RNA polymerase I transcription; REB1 has a paralog, NSI1, that arose from the whole genome duplication termination of RNA polymerase I transcription|regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding nucleoplasm YLR309C IMH1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0244065606096221 0.157485217514269 702 Protein involved in vesicular transport, mediates transport between an endosomal compartment and the Golgi, contains a Golgi-localization (GRIP) domain that interacts with activated Arl1p-GTP to localize Imh1p to the Golgi Golgi to plasma membrane protein transport|vesicle-mediated transport molecular_function cytosol|Golgi apparatus YPR150W_d YPR150W hom 0.0243644661501368 0.158264970094144 703 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene SUE1/YPR151C Unknown Unknown Unknown YDR119W_p VBA4 hom 0.0243635201283699 0.158716200849766 704 Protein of unknown function with proposed role as a basic amino acid permease based on phylogeny; GFP-fusion protein localizes to vacuolar membrane; physical interaction with Atg27p suggests a possible role in autophagy; non-essential gene biological_process molecular_function fungal-type vacuole membrane|integral to membrane YDR404C RPB7 het FF|FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|TRANSLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.0242930450910768 0.159550789973472 705 RNA polymerase II subunit B16; forms two subunit dissociable complex with Rpb4p; involved in recruitment of 3'-end processing factors to transcribing RNA polymerase II complex and in export of mRNA to cytoplasm under stress conditions; also involved in translation initiation transcription initiation from RNA polymerase II promoter|positive regulation of translational initiation|positive regulation of nuclear-transcribed mRNA poly(A) tail shortening|nuclear-transcribed mRNA catabolic process, exonucleolytic|transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|translation initiation factor binding|single-stranded RNA binding|single-stranded DNA binding nucleus|DNA-directed RNA polymerase II, core complex|cytoplasmic mRNA processing body|cytoplasm YDR370C DXO1 hom 0.024269324201381 0.159834224326145 706 Protein with decapping and 5′-3′ exoRNase activity; similar to Rai1p biological_process molecular_function cytoplasm YKL173W SNU114 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEOTIDE METABOLISM|NUCLEUS 0.0242611839051524 0.159974385281146 707 GTPase component of U5 snRNP involved in mRNA splicing via spliceosome; binds directly to U5 snRNA; proposed to be involved in conformational changes of the spliceosome; similarity to ribosomal translocation factor EF-2 assembly of spliceosomal tri-snRNP|spliceosome conformational change to release U4 (or U4atac) and U1 (or U11)|mRNA splicing, via spliceosome|generation of catalytic spliceosome for first transesterification step GTP binding|GTPase activity|U5 snRNA binding U4/U6 x U5 tri-snRNP complex|U5 snRNP YER180C-A SLO1 hom FT PROTEIN LOCALIZATION 0.0242528543820379 0.160117900510893 708 Protein interacting with Arl3p, which is a GTPase of the Ras superfamily involved in vesicle-tethering at the Golgi; putative ortholog of human SCOCO intracellular protein transport small GTPase regulator activity cytoplasm YKL213C DOA1 hom FT RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0242449277950515 0.161067141791051 709 WD repeat protein required for ubiquitin-mediated protein degradation; forms a complex with Cdc48p; plays a role in controlling cellular ubiquitin concentration; also promotes efficient NHEJ in postdiauxic/stationary phase; protein increases in abundance and relocalizes from nucleus to nuclear periphery upon DNA replication stress double-strand break repair via nonhomologous end joining|ubiquitin-dependent protein catabolic process ubiquitin binding nucleus|cytoplasm YHR074W QNS1 het FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0242200877924092 0.160683403457233 710 Glutamine-dependent NAD(+) synthetase, essential for the formation of NAD(+) from nicotinic acid adenine dinucleotide NAD biosynthetic process NAD+ synthase (glutamine-hydrolyzing) activity|hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides nucleus|cytoplasm YDL186W_p YDL186W hom 0.0242068343106612 0.161350191930281 711 Putative protein of unknown function; YDL186W is not an essential gene biological_process molecular_function cellular_component YPL263C KEL3 hom 0.0242019150762672 0.160997687342879 712 Cytoplasmic protein of unknown function biological_process molecular_function cytoplasm YJL104W PAM16 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0241829816116526 0.161325621312698 713 Constituent of the import motor (PAM complex) component of the Translocase of the Inner Mitochondrial membrane (TIM23 complex); forms a 1:1 subcomplex with Pam18p and inhibits its cochaperone activity; contains a J-like domain protein import into mitochondrial matrix protein domain specific binding mitochondrion|presequence translocase-associated import motor|mitochondrial inner membrane presequence translocase complex YJR099W YUH1 hom FT PROTEOLYSIS 0.02417472453239 0.161468794501699 714 Ubiquitin C-terminal hydrolase that cleaves ubiquitin-protein fusions to generate monomeric ubiquitin; hydrolyzes the peptide bond at the C-terminus of ubiquitin; also the major processing enzyme for the ubiquitin-like protein Rub1p protein deubiquitination ubiquitin-specific protease activity cytoplasm YCR087C-A_p YCR087C-A hom FT NUCLEUS 0.0241733968177011 0.161491825288132 715 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nucleolus; YCR087C-A is not an essential gene biological_process molecular_function nucleolus YPL104W MSD1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0241322116657407 0.162207462529649 716 Mitochondrial aspartyl-tRNA synthetase, required for acylation of aspartyl-tRNA; yeast and bacterial aspartyl-, asparaginyl-, and lysyl-tRNA synthetases contain regions with high sequence similarity, suggesting a common ancestral gene mitochondrial aspartyl-tRNA aminoacylation aspartate-tRNA ligase activity mitochondrion YOR050C_d YOR050C hom 0.0241303669563279 0.162239572263596 717 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; null mutation is viable Unknown Unknown Unknown YGR090W UTP22 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0241106895265309 0.162770486556307 718 Component of the small-subunit processome; required for nuclear export of tRNAs; may facilitate binding of Utp8p to aminoacylated tRNAs and their delivery to Los1p for export; conserved from yeast to mammals maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|rRNA processing molecular_function small-subunit processome|nucleolus|nucleus|UTP-C complex|90S preribosome|CURI complex YJR025C BNA1 hom FT OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0240631069540288 0.163790760511558 719 3-hydroxyanthranilic acid dioxygenase, required for the de novo biosynthesis of NAD from tryptophan via kynurenine; expression regulated by Hst1p de novo NAD biosynthetic process from tryptophan 3-hydroxyanthranilate 3,4-dioxygenase activity cytoplasm YKL140W TGL1 hom FT LIPID METABOLISM 0.0240281399564342 0.164026479585033 720 Steryl ester hydrolase, one of three gene products (Yeh1p, Yeh2p, Tgl1p) responsible for steryl ester hydrolase activity and involved in sterol homeostasis; localized to lipid particle membranes cellular lipid metabolic process|sterol metabolic process lipase activity|sterol esterase activity integral to membrane|lipid particle YJL065C DLS1 hom FT GENE SILENCING|NUCLEUS 0.0239751363813798 0.165210976170928 721 Subunit of ISW2/yCHRAC chromatin accessibility complex; ISW2/yCHRAC also includes Itc1p, Isw2p, and Dpb4p; involved in inheritance of telomeric silencing; DLS1 has a paralog, DPB3, that arose from the whole genome duplication chromatin silencing at telomere molecular_function chromatin accessibility complex|nucleus YDL128W VCX1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0239673203674331 0.165096603310051 722 Vacuolar membrane antiporter with Ca2+/H+ and K+/H+ exchange activity, involved in control of cytosolic Ca2+ and K+ concentrations; has similarity to sodium/calcium exchangers, including the bovine Na+/Ca2+,K+ antiporter manganese ion transport|cellular calcium ion homeostasis|calcium ion transport|transmembrane transport potassium:hydrogen antiporter activity|calcium:hydrogen antiporter activity fungal-type vacuole membrane|integral to membrane|fungal-type vacuole YOL024W_p YOL024W hom 0.0239579963799327 0.16526112267558 723 Putative protein of unknown function; predicted to have thiol-disulfide oxidoreductase active site; YOL024W has a paralog, IGD1, that arose from the whole genome duplication biological_process molecular_function cellular_component YCL047C POF1 hom FT PROTEOLYSIS 0.0239496251788465 0.165408935417879 724 ATPase involved in the protein quality control and filamentation pathways; interacts physically with Kss1p and suppresses the filamentation defect of a kss1 deletion; also interacts with Ubc7p pseudohyphal growth|ER-associated protein catabolic process|invasive growth in response to glucose limitation ATPase activity cellular_component YAL056C-A_d YAL056C-A hom 0.0239468394013735 0.1654581467515 725 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL088C ASM4 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0239402118551394 0.165575267987166 726 FG-nucleoporin component of central core of nuclear pore complex (NPC); contributes directly to nucleocytoplasmic transport; induces membrane tubulation, which may contribute to nuclear pore assembly; ASM4 has a paralog, NUP53, that arose from the whole genome duplication nuclear pore organization|mRNA export from nucleus in response to heat stress|mitotic cell cycle spindle assembly checkpoint nucleocytoplasmic transporter activity|phospholipid binding|single-stranded DNA binding nuclear pore central transport channel|integral to membrane|nuclear pore YIR039C YPS6 hom FT CELL WALL ORG/BIOGENESIS|PROTEOLYSIS|PLASMA MEMBRANE 0.0239111877002736 0.166088914054993 727 Putative GPI-anchored aspartic protease, member of the yapsin family of proteases involved in cell wall growth and maintenance fungal-type cell wall organization aspartic-type endopeptidase activity fungal-type cell wall YLR116W MSL5 het FT RNA PROCESSING|NUCLEUS 0.0239111231586764 0.166090057593417 728 Component of the commitment complex, which defines the first step in the splicing pathway; essential protein that interacts with Mud2p and Prp40p, forming a bridge between the intron ends; also involved in nuclear retention of pre-mRNA mRNA splicing, via spliceosome pre-mRNA branch point binding commitment complex YMR145C NDE1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0238899920521452 0.166464773685285 729 Mitochondrial external NADH dehydrogenase, a type II NAD(P)H:quinone oxidoreductase that catalyzes the oxidation of cytosolic NADH; Nde1p and Nde2p provide cytosolic NADH to the mitochondrial respiratory chain glucose catabolic process to ethanol|NADH oxidation|chronological cell aging NADH dehydrogenase activity mitochondrion YGL023C PIB2 hom FT VESICLE-MEDIATED TRANSPORT|MITOCHONDRION 0.0238818139471954 0.166926404138201 730 Protein of unknown function; contains FYVE domain; similar to Fab1 and Vps27 biological_process molecular_function mitochondrion YLR230W_d YLR230W het 0.0238148232327805 0.167802886364321 731 Dubious open reading frame unlikely to encode a functional protein; overlaps 5' end of essential CDC42 gene which encodes a small Rho-like GTPase essential for establishment and maintenance of cell polarity Unknown Unknown Unknown YML116W ATR1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0237755185662619 0.168505772593858 732 Multidrug efflux pump of the major facilitator superfamily; required for resistance to aminotriazole and 4-nitroquinoline-N-oxide; ATR1 has a paralog, YMR279C, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress borate transport|drug transmembrane transport drug transmembrane transporter activity|borate transmembrane transporter activity integral to membrane|plasma membrane|vacuole YHR011W DIA4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0237655272147736 0.169002635564147 733 Probable mitochondrial seryl-tRNA synthetase, mutant displays increased invasive and pseudohyphal growth pseudohyphal growth|invasive growth in response to glucose limitation|mitochondrial seryl-tRNA aminoacylation serine-tRNA ligase activity mitochondrion|cytoplasm YDR061W_p YDR061W hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0237651019479915 0.168692422939507 734 Protein with similarity to ATP-binding cassette (ABC) transporter family members; lacks predicted membrane-spanning regions; transcriptionally activated by Yrm1p along with genes involved in multidrug resistance biological_process molecular_function mitochondrion YBL056W PTC3 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0236894791846143 0.170052122725888 735 Type 2C protein phosphatase (PP2C); dephosphorylates Hog1p (see also Ptc2p) to limit maximal kinase activity induced by osmotic stress; dephosphorylates T169 phosphorylated Cdc28p (see also Ptc2p); role in DNA damage checkpoint inactivation; PTC3 has a paralog, PTC2, that arose from the whole genome duplication inactivation of MAPK activity involved in osmosensory signaling pathway|regulation of cyclin-dependent protein kinase activity|protein dephosphorylation protein serine/threonine phosphatase activity nucleus|cytoplasm YPL231W FAS2 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0236644233895911 0.170504432847663 736 Alpha subunit of fatty acid synthetase, which catalyzes the synthesis of long-chain saturated fatty acids; contains the acyl-carrier protein domain and beta-ketoacyl reductase, beta-ketoacyl synthase and self-pantetheinylation activities fatty acid biosynthetic process holo-[acyl-carrier-protein] synthase activity|3-oxoacyl-[acyl-carrier-protein] synthase activity|fatty acid synthase activity|3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity cytosol|fatty acid synthase complex|mitochondrion|cytoplasm YGR186W TFG1 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0236619209404775 0.170549656788616 737 TFIIF (Transcription Factor II) largest subunit; involved in both transcription initiation and elongation of RNA polymerase II; homologous to human RAP74 transcription initiation from RNA polymerase II promoter|transcriptional start site selection at RNA polymerase II promoter|dephosphorylation of RNA polymerase II C-terminal domain|promoter clearance from RNA polymerase II promoter|RNA polymerase II transcriptional preinitiation complex assembly|transcription elongation from RNA polymerase II promoter|regulation of protein serine/threonine phosphatase activity core RNA polymerase II binding transcription factor activity|protein phosphatase activator activity|core RNA polymerase II recruiting transcription factor activity transcription factor TFIIF complex YPL145C KES1 hom FT VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0236516546875314 0.170735281220024 738 One of seven members of the yeast oxysterol binding protein family; involved in negative regulation of Sec14p-dependent Golgi complex secretory functions, peripheral membrane protein that localizes to the Golgi complex; KES1 has a paralog, HES1, that arose from the whole genome duplication post-Golgi vesicle-mediated transport|positive regulation of phosphatase activity|maintenance of cell polarity|endocytosis|exocytosis|sterol transport phosphatidic acid binding|lipid binding|phosphatidylinositol-4,5-bisphosphate binding|oxysterol binding|sterol transporter activity|phosphatidylinositol-4-phosphate binding Golgi membrane|extrinsic to membrane|cytoplasm YFL046W_p FMP32 hom FT MITOCHONDRION 0.0236446876452562 0.170861338657667 739 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YPL115C BEM3 hom FT SIGNALING|SITE OF POLARIZED GROWTH 0.0235358438220844 0.172839749834852 740 Rho GTPase activating protein (RhoGAP) involved in control of the cytoskeleton organization; targets the essential Rho-GTPase Cdc42p, which controls establishment and maintenance of cell polarity, including bud-site assembly negative regulation of Rho protein signal transduction|establishment of cell polarity Rho GTPase activator activity|phosphatidylinositol-3-phosphate binding cell cortex|incipient cellular bud site|mating projection tip|cytoplasm|cellular bud tip YDR307W_p PMT7 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0235258379970146 0.173022477525671 741 Putative protein mannosyltransferase similar to Pmt1p; has a potential role in protein O-glycosylation biological_process molecular_function integral to membrane|endoplasmic reticulum YPL175W SPT14 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0234822474138406 0.174592181387418 742 UDP-GlcNAc-binding and catalytic subunit of the enzyme that mediates the first step in glycosylphosphatidylinositol (GPI) biosynthesis, mutations cause defects in transcription and in biogenesis of cell wall proteins GPI anchor biosynthetic process UDP-glycosyltransferase activity glycosylphosphatidylinositol-N-acetylglucosaminyltransferase (GPI-GnT) complex|endoplasmic reticulum YGL222C EDC1 hom FT RNA PROCESSING|TRANSLATION|NUCLEUS 0.0234755209529972 0.173943562713976 743 RNA-binding protein that activates mRNA decapping directly; binds to the mRNA substrate and enhances the activity of the decapping proteins Dcp1p and Dcp2p; has a role in translation during heat stress; protein becomes more abundant and forms cytoplasmic foci in response to DNA replication stress deadenylation-dependent decapping of nuclear-transcribed mRNA|positive regulation of translation in response to stress mRNA binding nucleus|cytoplasm YJR147W HMS2 hom FT NUCLEUS 0.023471040126744 0.174025764258059 744 Protein with similarity to heat shock transcription factors; overexpression suppresses the pseudohyphal filamentation defect of a diploid mep1 mep2 homozygous null mutant; HMS2 has a paralog, SKN7, that arose from the whole genome duplication pseudohyphal growth molecular_function nucleus|cytoplasm YLL047W_d YLL047W hom 0.0234695370289145 0.174053345346903 745 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified gene RNP1 Unknown Unknown Unknown YOR164C GET4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0234655944541113 0.174125705117152 746 Protein with a role in insertion of tail-anchored proteins into the ER membrane; forms a complex with Mdy2p; highly conserved across species and homologous to human gene C7orf20 protein insertion into ER membrane|posttranslational protein targeting to membrane molecular_function TRC complex|cytoplasm YLR454W_p FMP27 hom FT MITOCHONDRION 0.0234619375045938 0.174192842757714 747 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YLR193C UPS1 hom FT LIPID METABOLISM|MITOCHONDRION 0.0234378552957038 0.174635448789837 748 Phosphatidic acid transfer protein; plays a role in phospholipid metabolism by transporting phosphatidic acid from the outer to the inner mitochondrial membrane; localizes to the mitochondrial intermembrane space; null mutant has altered cardiolipin and phosphatidic acid levels; ortholog of human PRELI Unknown|cardiolipin metabolic process molecular_function mitochondrion|extrinsic to mitochondrial inner membrane|mitochondrial intermembrane space YLR177W_p YLR177W hom 0.0234079953469952 0.1751854083787 749 Putative protein of unknown function; phosphorylated by Dbf2p-Mob1p in vitro; some strains contain microsatellite polymophisms at this locus; not an essential gene; YLR177W has a paralog, PSP1, that arose from the whole genome duplication biological_process molecular_function cytoplasm YPL269W KAR9 hom FT NUCLEUS|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0233754381238206 0.175979878425285 750 Karyogamy protein required for correct positioning of the mitotic spindle and for orienting cytoplasmic microtubules, localizes at the shmoo tip in mating cells and at the tip of the growing bud in small-budded cells through anaphase nuclear migration along microtubule|establishment of spindle localization molecular_function cell cortex|spindle pole body|mating projection tip YPL103C FMP30 hom FT LIPID METABOLISM|MITOCHONDRION 0.0233691223194202 0.175903304704909 751 Mitochondrial inner membrane protein with a role in maintaining mitochondrial morphology and normal cardiolipin levels; proposed to be involved in N-acylethanolamine metabolism; related to mammalian N-acylPE-specific phospholipase D N-acylphosphatidylethanolamine metabolic process|N-acylethanolamine metabolic process NAPE-specific phospholipase D activity mitochondrion|integral to mitochondrial inner membrane YFL029C CAK1 het FT CELL CYCLE|PROTEIN PHOSPHORYLATION 0.0233427426639629 0.176391724363834 752 Cyclin-dependent kinase-activating kinase required for passage through the cell cycle, phosphorylates and activates Cdc28p; nucleotide-binding pocket differs significantly from those of most other protein kinases G2/M transition of mitotic cell cycle|meiosis|G1 phase of mitotic cell cycle|protein phosphorylation cyclin-dependent protein kinase activating kinase activity cytoplasm YGL040C HEM2 het FT COFACTOR METABOLISM|NUCLEUS 0.0233317848276055 0.17659490561855 753 Aminolevulinate dehydratase, a homo-octameric enzyme, catalyzes the conversion of 5-aminolevulinate to porphobilinogen, the second step in heme biosynthesis; enzymatic activity is zinc-dependent; localizes to the cytoplasm and nucleus heme biosynthetic process porphobilinogen synthase activity nucleus|cytoplasm YMR190C SGS1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0233291113126825 0.176644504636536 754 Nucleolar DNA helicase of the RecQ family; involved in genome integrity maintenance; regulates chromosome synapsis and meiotic joint molecule/crossover formation; potential role as repressor of a subset of rapamycin responsive genes; rapidly lost in response to rapamycin in Rrd1p-dependent manner; similar to human BLM and WRN proteins implicated in Bloom and Werner syndromes; forms nuclear foci upon DNA replication stress DNA double-strand break processing|meiotic DNA double-strand break processing|telomeric 3' overhang formation|meiotic chromosome segregation|DNA unwinding involved in replication|double-strand break repair via homologous recombination|intra-S DNA damage checkpoint|telomere maintenance via recombination|replicative cell aging|DNA duplex unwinding|response to DNA damage stimulus|negative regulation of meiotic joint molecule formation|chromosome organization|regulation of reciprocal meiotic recombination|gene conversion at mating-type locus, DNA double-strand break processing|mitotic sister chromatid segregation ATP-dependent DNA helicase activity RecQ helicase-Topo III complex|nucleolus YDR111C_p ALT2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0233173257830981 0.176863273348207 755 Catalytically inactive paralog of ALT1, an alanine transaminase; expression is repressed in the presence of alanine and repression is mediated by Nrg1p biological_process transaminase activity nucleus|cytoplasm YNL062C GCD10 het FT RNA PROCESSING|TRANSLATION|NUCLEUS 0.0232987330000789 0.177661595906341 756 Subunit of tRNA (1-methyladenosine) methyltransferase with Gcd14p, required for the modification of the adenine at position 58 in tRNAs, especially tRNAi-Met; first identified as a negative regulator of GCN4 expression tRNA methylation tRNA (adenine-N1-)-methyltransferase activity tRNA (m1A) methyltransferase complex|nucleus YDL124W YDL124W hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0232872824796391 0.177421864435441 757 NADPH-dependent alpha-keto amide reductase; reduces aromatic alpha-keto amides, aliphatic alpha-keto esters, and aromatic alpha-keto esters; member of the aldo-keto reductase (AKR) family; protein abundance increases in response to DNA replication stress cellular response to oxidative stress|cellular ketone metabolic process|cellular amide metabolic process|cellular aromatic compound metabolic process alpha-keto amide reductase activity|aldo-keto reductase (NADP) activity|alditol:NADP+ 1-oxidoreductase activity|alpha-keto ester reductase activity nucleus|plasma membrane|cytoplasm YOR140W SFL1 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|NUCLEUS 0.0232711706160454 0.177786635093171 758 Transcriptional repressor and activator; involved in repression of flocculation-related genes, and activation of stress responsive genes; negatively regulated by cAMP-dependent protein kinase A subunit Tpk2p gene silencing|Unknown|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II repressing transcription factor binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|sequence-specific transcription regulatory region DNA binding RNA polymerase II transcription factor recruiting transcription factor activity nucleus YDR448W ADA2 hom FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0232484630448147 0.178145572349317 759 Transcription coactivator, component of the ADA and SAGA transcriptional adaptor/HAT (histone acetyltransferase) complexes chromatin silencing at rDNA|chromatin modification|regulation of transcription from RNA polymerase II promoter|positive regulation of histone acetylation|chromatin silencing at telomere chromatin binding|transcription coactivator activity|histone acetyltransferase activity|phosphatidylserine binding SLIK (SAGA-like) complex|Ada2/Gcn5/Ada3 transcription activator complex|SAGA complex YFR051C RET2 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0232475155121431 0.178163264548056 760 Delta subunit of the coatomer complex (COPI), which coats Golgi-derived transport vesicles; involved in retrograde transport between Golgi and ER retrograde vesicle-mediated transport, Golgi to ER|Golgi inheritance|ER to Golgi vesicle-mediated transport|Golgi localization molecular_function COPI vesicle coat YMR084W_p YMR084W hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0232455375366665 0.178200201244326 761 Putative protein of unknown function; YMR084W and adjacent ORF YMR085W are merged in related strains, and together are paralogous to glutamine-fructose-6-phosphate amidotransferase GFA1 biological_process molecular_function cellular_component YLR412W BER1 hom FT CYTOSKELETON 0.0232088474773445 0.178886384306629 762 Protein involved in microtubule-related processes, N-acetylation; GFP-fusion protein localizes to the cytoplasm and is induced in response to the DNA-damaging agent MMS; YLR412W is not an essential gene; similar to Arabidopsis SRR1 gene biological_process molecular_function cytoplasm YIL003W CFD1 het FT RNA PROCESSING|COFACTOR METABOLISM 0.0231966236330394 0.179115432202492 763 Highly conserved, iron-sulfur cluster binding protein localized in the cytoplasm; forms a complex with Nbp35p that is involved in iron-sulfur protein assembly in the cytosol iron-sulfur cluster assembly|tRNA wobble uridine modification 4 iron, 4 sulfur cluster binding|ATPase activity cytoplasm YBR228W SLX1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0231962157462187 0.179317661676959 764 Subunit of a complex, with Slx4p, that hydrolyzes 5' branches from duplex DNA in response to stalled or converging replication forks; function overlaps with that of Sgs1p-Top3p DNA-dependent DNA replication 5'-flap endonuclease activity Slx1-Slx4 complex|nucleus YKR044W UIP5 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS 0.0231957503714985 0.179131803537859 765 Protein of unknown function that interacts with Ulp1p, a Ubl (ubiquitin-like protein)-specific protease for Smt3p protein conjugates biological_process molecular_function nuclear envelope YBL039C URA7 hom FT KETONE METABOLISM|LIPID METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM 0.0231433078297577 0.180442035526061 766 Major CTP synthase isozyme (see also URA8); catalyzes the ATP-dependent transfer of the amide nitrogen from glutamine to UTP, forming CTP, the final step in de novo biosynthesis of pyrimidines; involved in phospholipid biosynthesis; capable of forming cytoplasmic filaments termed cytoophidium, especially during conditions of glucose depletion; URA7 has a paralog, URA8, that arose from the whole genome duplication pyrimidine nucleobase biosynthetic process|CTP biosynthetic process|phospholipid biosynthetic process CTP synthase activity cytosol YBL093C ROX3 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0231362400537178 0.180575198572209 767 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme negative regulation of transcription from RNA polymerase II promoter|transcriptional open complex formation at RNA polymerase II promoter|RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription factor recruiting transcription factor activity core mediator complex|nucleus YDR100W TVP15 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0231276786809103 0.180411392125356 768 Integral membrane protein localized to late Golgi vesicles along with the v-SNARE Tlg2p vesicle-mediated transport molecular_function COPI-coated vesicle|integral to membrane|integral to Golgi membrane YDR053W_d YDR053W het 0.0231243685877821 0.180473786716775 769 Putative protein of unknown function; open reading frame overlaps 5' end of essential DBF4 gene encoding the regulatory subunit of the Cdc7p-Dbf4p kinase complex Unknown Unknown Unknown YLL056C_p YLL056C hom 0.0231172743657246 0.180737613573868 770 Putative protein of unknown function, transcription is activated by paralogous transcription factors Yrm1p and Yrr1p and genes involved in pleiotropic drug resistance (PDR); expression is induced in cells treated with the mycotoxin patulin biological_process molecular_function cellular_component YDR008C_d YDR008C hom FF 0.0231017446123944 0.181813773747492 771 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL150W_p YPL150W hom FT PROTEIN PHOSPHORYLATION 0.0230775880606277 0.181357304129328 772 Protein kinase of unknown cellular role; binds phosphatidylinositols and cardiolipin in a large-scale study protein phosphorylation protein kinase activity cellular_component YJR037W_d YJR037W hom 0.0230748476149294 0.181930758192625 773 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified gene HUL4/YJR036C; deletion mutant has decreased spore survival in Drosophila feces Unknown Unknown Unknown YBR239C_p ERT1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|CARBOHYDRATE METABOLISM|NUCLEUS 0.023057619678848 0.18193092166948 774 Transcriptional regulator of nonfermentable carbon utilization; GFP-fusion protein localizes to cytoplasm, nucleus; null mutation affects periodicity of transcriptional and metabolic oscillation; plays role in restricting Ty1 transposition biological_process sequence-specific DNA binding nucleus|cytoplasm YLL027W ISA1 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0230406629758091 0.182187338381705 775 Protein required for maturation of mitochondrial [4Fe-4S] proteins; functions in a complex with Isa2p and possibly Iba57p; isa1 deletion causes loss of mitochondrial DNA and respiratory deficiency; depletion reduces growth on nonfermentable carbon sources; functional ortholog of bacterial A-type ISC proteins biotin biosynthetic process|iron-sulfur cluster assembly iron-sulfur cluster binding|iron ion binding mitochondrial matrix YOL030W GAS5 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0230358678419599 0.182147953691179 776 1,3-beta-glucanosyltransferase, has similarity to Gas1p; localizes to the cell wall (1->3)-beta-D-glucan metabolic process 1,3-beta-glucanosyltransferase activity fungal-type cell wall|integral to membrane YFR057W_p YFR057W hom 0.0230040027953193 0.182818816049884 777 Putative protein of unknown function biological_process molecular_function cellular_component YER090W TRP2 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0229968886295094 0.184133858645687 778 Anthranilate synthase, catalyzes the initial step of tryptophan biosynthesis, forms multifunctional hetero-oligomeric anthranilate synthase:indole-3-glycerol phosphate synthase enzyme complex with Trp3p tryptophan biosynthetic process anthranilate synthase activity anthranilate synthase complex|cytoplasm YIL128W MET18 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0229647596677843 0.183697549214961 779 Component of cytosolic iron-sulfur protein assembly (CIA) machinery; acts at a late step of Fe-S cluster assembly; forms the CIA targeting complex with Cia1p and Cia2p that directs Fe-S cluster incorporation into a subset of proteins involved in methionine biosynthesis, DNA replication and repair, transcription, and telomere maintenance; ortholog of human MMS19 methionine metabolic process|nucleotide-excision repair|transcription from RNA polymerase II promoter molecular_function cytoplasm YCL041C_d YCL041C het 0.0229552461261141 0.183683069987563 780 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps both the verified gene PDI1/YCL043C and the uncharacterized gene YCL042W Unknown Unknown Unknown YPL093W NOG1 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0229468398192963 0.18384368408859 781 Putative GTPase that associates with free 60S ribosomal subunits in the nucleolus and is required for 60S ribosomal subunit biogenesis; constituent of 66S pre-ribosomal particles; member of the ODN family of nucleolar G-proteins ribosomal subunit export from nucleus|ribosomal large subunit biogenesis|rRNA processing GTP binding nucleolus|preribosome, large subunit precursor YGL163C RAD54 hom FF|FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0228683480370902 0.185348398130706 782 DNA-dependent ATPase that stimulates strand exchange; modifies the topology of double-stranded DNA; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; member of the SWI/SNF family; forms nuclear foci upon DNA replication stress positive regulation of endodeoxyribonuclease activity|DNA geometric change|heteroduplex formation|telomere maintenance via recombination|double-strand break repair via synthesis-dependent strand annealing|chromatin remodeling|double-strand break repair via single-strand annealing DNA-dependent ATPase activity|DNA translocase activity nucleus YIR042C_p YIR042C hom 0.0228544914317646 0.185680563868284 783 Putative protein of unknown function; YIR042C is a non-essential gene biological_process molecular_function cellular_component YMR277W FCP1 het FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0228364650636708 0.186027824898076 784 Carboxy-terminal domain (CTD) phosphatase, essential for dephosphorylation of the repeated C-terminal domain of the RNA polymerase II large subunit (Rpo21p) dephosphorylation of RNA polymerase II C-terminal domain|regulation of transcription from RNA polymerase II promoter protein serine/threonine phosphatase activity nucleus YLR341W SPO77 hom FT CELL WALL ORG/BIOGENESIS 0.022832557224654 0.186037534664979 785 Meiosis-specific protein of unknown function, required for spore wall formation during sporulation; dispensable for both nuclear divisions during meiosis ascospore wall assembly|ascospore formation molecular_function intracellular YPR036W VMA13 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0228066361786738 0.186537813887672 786 Subunit H of the eight-subunit V1 peripheral membrane domain of the vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; serves as an activator or a structural stabilizer of the V-ATPase vacuolar acidification proton-transporting ATPase activity, rotational mechanism vacuolar proton-transporting V-type ATPase, V1 domain|fungal-type vacuole membrane|integral to membrane YCR017C CWH43 hom FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0227840451260853 0.186974633544893 787 Putative sensor/transporter protein involved in cell wall biogenesis; contains 14-16 transmembrane segments and several putative glycosylation and phosphorylation sites; null mutation is synthetically lethal with pkc1 deletion fungal-type cell wall organization|GPI anchor biosynthetic process molecular_function integral to membrane|integral to plasma membrane|cellular bud neck|cellular bud tip YBR252W DUT1 het FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0227595251325004 0.187647058122986 788 deoxyuridine triphosphate diphosphatase (dUTPase); catalyzes hydrolysis of dUTP to dUMP and PPi, thereby preventing incorporation of uracil into DNA during replication; critical for the maintenance of genetic stability; also has diphosphatase activity on deoxyinosine triphosphate pyrimidine deoxyribonucleoside triphosphate catabolic process|dUTP catabolic process|dITP catabolic process dITP diphosphatase activity|dUTP diphosphatase activity nucleus|cytoplasm YGR173W RBG2 hom FT TRANSLATION 0.0227465277602137 0.187701735441818 789 Protein with a role in translation; forms a complex with Gir2p; has similarity to mammalian developmentally regulated GTP-binding protein cytoplasmic translation GTP binding cytoplasm YGR103W NOP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0227442983892948 0.187745007133956 790 Component of several different pre-ribosomal particles; forms a complex with Ytm1p and Erb1p that is required for maturation of the large ribosomal subunit; required for exit from G0 and the initiation of cell proliferation ribosomal large subunit biogenesis|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|cell cycle molecular_function PeBoW complex|nucleolus|nucleus|preribosome, large subunit precursor YOR008C SLG1 hom FF|FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|PEROXISOME ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.0227334910837635 0.18815249836159 791 Sensor-transducer of the stress-activated PKC1-MPK1 kinase pathway; involved in maintenance of cell wall integrity; required for mitophagy; involved in organization of the actin cytoskeleton; secretory pathway Wsc1p is required for the arrest of secretion response positive regulation of endocytosis|Rho protein signal transduction|actin cytoskeleton organization|fungal-type cell wall organization|response to heat|peroxisome degradation|establishment of cell polarity|response to osmotic stress transmembrane signaling receptor activity plasma membrane|mating projection tip|cellular bud neck YDR384C ATO3 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION|PLASMA MEMBRANE 0.0226859386251444 0.189276462881901 792 Plasma membrane protein, regulation pattern suggests a possible role in export of ammonia from the cell; phosphorylated in mitochondria; member of the TC 9.B.33 YaaH family of putative transporters ammonium transport|nitrogen utilization|transmembrane transport ammonium transmembrane transporter activity mitochondrion|integral to membrane|plasma membrane YPR052C NHP6A hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0226807557718788 0.188981454157777 793 High-mobility group (HMG) protein, binds to and remodels nucleosomes; involved in recruiting FACT and other chromatin remodelling complexes to chromosomes; functionally redundant with Nhp6Bp; homologous to mammalian HMGB1 and HMGB2; NHP6A has a paralog, NHP6B, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress mismatch repair|DNA replication-independent nucleosome organization|RNA polymerase II transcriptional preinitiation complex assembly|RNA polymerase III transcriptional preinitiation complex assembly|chromatin remodeling nucleosome binding|sequence-specific DNA binding|DNA binding, bending MutSalpha complex|nucleus YDR019C GCV1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0226439732208114 0.189699925966127 794 T subunit of the mitochondrial glycine decarboxylase complex, required for the catabolism of glycine to 5,10-methylene-THF; expression is regulated by levels of levels of 5,10-methylene-THF in the cytoplasm glycine catabolic process|glycine metabolic process|one-carbon metabolic process glycine dehydrogenase (decarboxylating) activity mitochondrion|glycine cleavage complex YMR107W SPG4 hom 0.0225890844428227 0.190775803705412 795 Protein required for survival at high temperature during stationary phase; not required for growth on nonfermentable carbon sources biological_process molecular_function cellular_component YJL149W DAS1 hom FT PROTEOLYSIS|UBIQUITIN LIGASE COMPLEX 0.0225639194319735 0.191270562742167 796 Putative SCF ubiquitin ligase F-box protein; interacts physically with both Cdc53p and Skp1 and genetically with CDC34; similar to putative F-box protein YDR131C SCF-dependent proteasomal ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity|protein binding, bridging SCF ubiquitin ligase complex YDR140W MTQ2 hom FT TRANSLATION|NUCLEUS 0.0225223943060802 0.192089033711979 797 S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family; subunit of complex with Trm112p that methylates translation release factor Sup45p (eRF1) in the ternary complex eRF1-eRF3-GTP; similar to E.coli PrmC peptidyl-glutamine methylation|regulation of translation protein methyltransferase activity|S-adenosylmethionine-dependent methyltransferase activity eRF1 methyltransferase complex|nucleus|cytoplasm YMR076C PDS5 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.022518433063252 0.192366214811788 798 Protein required for establishment and maintenance of sister chromatid condensation and cohesion, colocalizes with cohesin on chromosomes, may function as a protein-protein interaction scaffold; also required during meiosis double-strand break repair|meiosis|synapsis|mitotic chromosome condensation|mitotic sister chromatid cohesion structural molecule activity condensed nuclear chromosome YKL193C SDS22 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS 0.0225110966375505 0.192444808474787 799 Regulatory subunit of the type 1 protein phosphatase (PP1) Glc7p; whether it functions as a positive or negative regulator of Glc7p is controversial; involved in the regulation of Glc7p nuclear localization and function maintenance of protein location in nucleus|chromosome segregation protein serine/threonine phosphatase inhibitor activity|protein phosphatase type 1 activator activity protein phosphatase type 1 complex|nucleus|cytoplasm YLR185W RPL37A hom FT TRANSLATION|RIBOSOME 0.0225009067966108 0.192513567346946 800 Ribosomal 60S subunit protein L37A; homologous to mammalian ribosomal protein L37, no bacterial homolog; RPL37A has a paralog, RPL37B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YHR114W BZZ1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.022496555047811 0.192599629718726 801 SH3 domain protein implicated in the regulation of actin polymerization, able to recruit actin polymerization machinery through its SH3 domains, colocalizes with cortical actin patches and Las17p, interacts with type I myosins response to salt stress|actin filament organization|endocytosis molecular_function mating projection tip|cytoplasm|actin cortical patch YDR332W IRC3 hom FT MITOCHONDRION 0.0224878305633196 0.192772254637662 802 Putative RNA helicase of the DEAH/D-box family; null mutant displays increased levels of spontaneous Rad52p foci; green fluorescent protein (GFP)-fusion protein localizes to the mitochondrion biological_process ATP-dependent RNA helicase activity mitochondrion YDL223C HBT1 hom 0.0224542660894532 0.19403624564304 803 Substrate of the Hub1p ubiquitin-like protein that localizes to the shmoo tip (mating projection); mutants are defective for mating projection formation, thereby implicating Hbt1p in polarized cell morphogenesis cell morphogenesis involved in conjugation with cellular fusion molecular_function plasma membrane|mating projection YNL087W TCB2 hom FT ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0224264241683923 0.193990473460801 804 ER protein involved in ER-plasma membrane tethering; one of 6 proteins (Ist2p, Scs2p, Scs22p, Tcb1p, Tcb2p, Tcb3p) that connect ER to the plasma membrane (PM) and regulate PM phosphatidylinositol-4-phosphate (PI4P) levels by controlling access of Sac1p phosphatase to its substrate PI4P in the PM; contains 3 calcium and lipid binding domains; mRNA is targeted to the bud biological_process lipid binding cellular bud|cortical endoplasmic reticulum YHR178W STB5 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0224234731833829 0.195652327476809 805 Transcription factor, involved in regulating multidrug resistance and oxidative stress response; forms a heterodimer with Pdr1p; contains a Zn(II)2Cys6 zinc finger domain that interacts with a pleiotropic drug resistance element in vitro response to xenobiotic stimulus|regulation of transcription from RNA polymerase II promoter in response to oxidative stress|transcription, DNA-dependent sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YMR150C IMP1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0224132603599048 0.19425235907221 806 Catalytic subunit of the mitochondrial inner membrane peptidase complex, required for maturation of mitochondrial proteins of the intermembrane space; complex contains Imp1p and Imp2p (both catalytic subunits), and Som1p protein processing involved in protein targeting to mitochondrion endopeptidase activity mitochondrion|mitochondrial inner membrane peptidase complex YOR020W-A_p YOR020W-A hom FT MITOCHONDRION 0.022409935599947 0.194318544065982 807 Putative protein of unknown function, conserved in A. gossypii; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YJL061W NUP82 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0224042526248043 0.194431711637283 808 Linker nucleoporin component of the nuclear pore complex (NPC); also part of the NPC cytoplasmic filaments; contributes to nucleocytoplasmic transport and NPC biogenesis; forms stable associations with three FG-nucleoporins (Nsp1p, Nup159p, and Nup116p) mRNA export from nucleus|protein export from nucleus|ribosomal large subunit export from nucleus|protein import into nucleus|ribosomal small subunit export from nucleus structural constituent of nuclear pore integral to membrane|nuclear pore cytoplasmic filaments|nuclear pore linkers|nuclear pore YLR232W_d YLR232W hom 0.0223704727628522 0.195105382585019 809 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene BNA5 Unknown Unknown Unknown YFL005W SEC4 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|SIGNALING|CELL DIVISION|ENDOMEMBRANE SYSTEM|MITOCHONDRION|PLASMA MEMBRANE|CYTOSKELETON 0.0223546563453148 0.195421396476556 810 Rab family GTPase essential for vesicle-mediated exocytic secretion and autophagy; associates with the exocyst component Sec15p and may regulate polarized delivery of transport vesicles to the exocyst at the plasma membrane bipolar cellular bud site selection|autophagy|exocytosis|Golgi to plasma membrane transport|small GTPase mediated signal transduction|ascospore-type prospore assembly|membrane addition at site of cytokinesis|vesicle fusion|cytokinesis GTP binding|GTPase activity mitochondrial outer membrane|vesicle|incipient cellular bud site|mitochondrion|transport vesicle|actin cap|plasma membrane YBR214W SDS24 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL DIVISION 0.0223443023343519 0.19562847389258 811 Protein involved in cell separation during budding; one of two S. cerevisiae homologs (Sds23p and Sds24p) of the S. pombe Sds23 protein, which is implicated in APC/cyclosome regulation; may play an indirect role in fluid-phase endocytosis; protein abundance increases in response to DNA replication stress; SDS24 has a paralog, SDS23, that arose from the whole genome duplication endocytosis|cytokinetic cell separation molecular_function cytoplasm YCR014C POL4 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0223123115098811 0.196269297432521 812 DNA polymerase IV, undergoes pair-wise interactions with Dnl4p-Lif1p and Rad27p to mediate repair of DNA double-strand breaks by non-homologous end joining (NHEJ); homologous to mammalian DNA polymerase beta double-strand break repair|base-excision repair, gap-filling|double-strand break repair via nonhomologous end joining DNA-directed DNA polymerase activity nucleus YNL177C MRPL22 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0222984173439766 0.196548096421106 813 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YGL059W PKP2 hom FT CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|MITOCHONDRION 0.0222922523731924 0.196671894951871 814 Mitochondrial protein kinase; negatively regulates activity of the pyruvate dehydrogenase complex by phosphorylating the ser-133 residue of the Pda1p subunit; acts in concert with kinase Pkp1p and phosphatases Ptc5p and Ptc6p; relocalizes from mitochondrion to cytoplasm upon DNA replication stress peptidyl-serine phosphorylation|protein phosphorylation|carbon utilization|negative regulation of catalytic activity protein kinase activity|pyruvate dehydrogenase (acetyl-transferring) kinase activity mitochondrion YHR185C PFS1 hom FT CELL WALL ORG/BIOGENESIS|NUCLEUS|CYTOSKELETON 0.0222809460157123 0.196899085782262 815 Sporulation protein required for prospore membrane formation at selected spindle poles, ensures functionality of all four spindle pole bodies during meiosis II; not required for meiotic recombination or meiotic chromosome segregation ascospore wall assembly molecular_function cellular_component YDR083W RRP8 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|CHROMOSOME 0.0222582629667962 0.197355459859459 816 Nucleolar S-adenosylmethionine-dependent rRNA methyltransferase; methylates adenine (m1A) of the large subunit (LSU) rRNA at position 645; involved in pre-rRNA cleavage at site A2; mutation is synthetically lethal with a gar1 mutation; deletion disrupts telomere maintenance by influencing the expression of neighboring gene STN1 rRNA processing methyltransferase activity nucleolus YBR181C RPS6B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0222442140354893 0.197638506674848 817 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S6, no bacterial homolog; RPS6B has a paralog, RPS6A, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome small-subunit processome|cytosolic small ribosomal subunit|cytoplasm YHR161C YAP1801 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.0222202587512837 0.198121823474722 818 Protein of the AP180 family, involved in clathrin cage assembly; binds Pan1p and clathrin; YAP1801 has a paralog, YAP1802, that arose from the whole genome duplication endocytosis clathrin binding actin cortical patch YOR257W CDC31 het FF|FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|PROTEOLYSIS|CYTOSKELETON ORGANIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CYTOSKELETON|NUCLEAR PORE 0.022192860646917 0.198675660562264 819 Calcium-binding component of the spindle pole body (SPB) half-bridge, required for SPB duplication in mitosis and meiosis II; homolog of mammalian centrin; binds multiubiquitinated proteins and is involved in proteasomal protein degradation microtubule nucleation|proteasomal ubiquitin-dependent protein catabolic process|spindle pole body duplication associated with nuclear envelope structural constituent of cytoskeleton integral to membrane|transcription export complex 2|nucleotide-excision repair factor 2 complex|half bridge of spindle pole body|nuclear pore YJL123C MTC1 hom FT GOLGI APPARATUS 0.0220966050549332 0.20063038128025 820 Protein of unknown function that may interact with ribosomes; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and to COPI-coated vesicles (early Golgi); mtc1 is synthetically lethal with cdc13-1 biological_process molecular_function COPI-coated vesicle|ribosome|Golgi apparatus|cytoplasm YIL005W EPS1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0220757455109838 0.201055832110834 821 ER protein with chaperone and co-chaperone activity, involved in retention of resident ER proteins; has a role in recognizing proteins targeted for ER-associated degradation (ERAD), member of the protein disulfide isomerase family protein retention in ER lumen|ER-associated protein catabolic process unfolded protein binding|protein disulfide isomerase activity|chaperone binding endoplasmic reticulum membrane YDR518W EUG1 hom FT ENDOPLASMIC RETICULUM 0.0220622540955903 0.201331352886585 822 Protein disulfide isomerase of the endoplasmic reticulum lumen; EUG1 has a paralog, PDI1, that arose from the whole genome duplication; function overlaps with that of Pdi1p; may interact with nascent polypeptides in the ER protein folding protein disulfide isomerase activity|protein disulfide oxidoreductase activity endoplasmic reticulum YOR044W IRC23 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0220604858427494 0.201367484420318 823 Putative protein of unknown function; green fluorescent protein (GFP)-fusion localizes to the ER; null mutant displays increased levels of spontaneous Rad52p foci; IRC23 has a paralog, BSC2, that arose from the whole genome duplication biological_process molecular_function endoplasmic reticulum YGL026C TRP5 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0219893905349559 0.202824126349223 824 Tryptophan synthase, catalyzes the last step of tryptophan biosynthesis; regulated by the general control system of amino acid biosynthesis tryptophan biosynthetic process tryptophan synthase activity nucleus|cytoplasm YMR018W_p YMR018W hom FT PROTEIN LOCALIZATION|PEROXISOME ORGANIZATION 0.0219858996019605 0.202895847703639 825 Putative protein of unknown function with similarity to human PEX5Rp (peroxin protein 5 related protein); transcription increases during colony development similar to genes involved in peroxisome biogenesis; YMR018W is not an essential gene biological_process molecular_function cellular_component YIL124W AYR1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0219687258959786 0.20331633693905 826 NADPH-dependent 1-acyl dihydroxyacetone phosphate reductase found in lipid particles, ER, and mitochondrial outer membrane; involved in phosphatidic acid biosynthesis; required for spore germination; capable of metabolizing steroid hormones phosphatidic acid biosynthetic process acylglycerone-phosphate reductase activity mitochondrial outer membrane|mitochondrion|integral to membrane|endoplasmic reticulum|lipid particle|cytoplasm YER147C SCC4 het FT PROTEIN LOCALIZATION|CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0219684996931709 0.203253604899349 827 Subunit of cohesin loading factor (Scc2p-Scc4p), a complex required for the loading of cohesin complexes onto chromosomes; involved in establishing sister chromatid cohesion during double-strand break repair via phosphorylated histone H2AX double-strand break repair|establishment of protein localization to chromatin|rDNA condensation|mitotic chromosome condensation|mitotic sister chromatid cohesion molecular_function nuclear chromatin|SMC loading complex YFL055W AGP3 hom FT PLASMA MEMBRANE 0.0219558034648385 0.203784739488883 828 Low-affinity amino acid permease, may act to supply the cell with amino acids as nitrogen source in nitrogen-poor conditions; transcription is induced under conditions of sulfur limitation; plays a role in regulating Ty1 transposition amino acid transport|transmembrane transport amino acid transmembrane transporter activity integral to membrane|plasma membrane YJR094C IME1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.0219208949073335 0.204234746495801 829 Master regulator of meiosis that is active only during meiotic events, activates transcription of early meiotic genes through interaction with Ume6p, degraded by the 26S proteasome following phosphorylation by Ime2p pseudohyphal growth|regulation of transcription from RNA polymerase II promoter|regulation of meiosis protein binding transcription factor activity nucleus YHR131C_p YHR131C hom 0.0219002607555278 0.205066572719913 830 Putative protein of unknown function; GFP-fusion protein localizes to the cytoplasm; overexpression causes cell cycle delay or arrest; contains a PH domain and binds phosphatidylinositols and other lipids in a large-scale study biological_process molecular_function cytoplasm YDR431W_d YDR431W hom 0.0218570371032052 0.205826808849259 831 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YML062C MFT1 hom FT TRANSCRIPTION FROM RNA POL II|RNA LOCALIZATION|NUCLEUS 0.0218471904107768 0.206370067658591 832 Subunit of the THO complex, which is a nuclear complex comprised of Hpr1p, Mft1p, Rlr1p, and Thp2p, that is involved in transcription elongation and mitotic recombination; involved in telomere maintenance mRNA export from nucleus|DNA recombination|transcription elongation from RNA polymerase II promoter protein complex scaffold|nucleic acid binding THO complex part of transcription export complex|nucleoplasmic THO complex YCL061C MRC1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0217755664121948 0.207251285662729 833 S-phase checkpoint protein required for DNA replication; interacts with and stabilizes Pol2p at stalled replication forks during stress, where it forms a pausing complex with Tof1p and is phosphorylated by Mec1p; protects uncapped telomeres maintenance of DNA repeat elements|intra-S DNA damage checkpoint|DNA repair|DNA replication checkpoint|telomere maintenance|replication fork protection|DNA replication|mitotic sister chromatid cohesion|chromatin silencing at silent mating-type cassette|chromatin silencing at telomere molecular_function nuclear chromosome|replication fork protection complex|nucleus|nuclear replication fork YLR058C SHM2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|SITE OF POLARIZED GROWTH 0.0217239087078945 0.208466983899263 834 Cytosolic serine hydroxymethyltransferase, converts serine to glycine plus 5,10 methylenetetrahydrofolate; major isoform involved in generating precursors for purine, pyrimidine, amino acid, and lipid biosynthesis one-carbon metabolic process glycine hydroxymethyltransferase activity plasma membrane|mating projection tip|cytoplasm YPL165C SET6 hom 0.0217019297201142 0.208792017226333 835 SET domain protein of unknown function; deletion heterozygote is sensitive to compounds that target ergosterol biosynthesis, may be involved in compound availability biological_process molecular_function cellular_component YGL060W YBP2 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME|KINETOCHORE 0.021665408300608 0.209559240684957 836 Central kinetochore associated protein; mediates mitotic progression; interacts with several central kinetochore proteins and centromeric histone Cse4p; role in resistance to oxidative stress; similar to Slk19p; YBP2 has a paralog, YBP1, that arose from the whole genome duplication G2/M transition of mitotic cell cycle molecular_function condensed nuclear chromosome kinetochore|centromere-specific nucleosome|cytoplasm YJR151W-A_p YJR151W-A hom 0.0216583956513999 0.209978787336644 837 Putative protein of unknown function; identified by fungal homology and RT-PCR; predicted to have a role in transcription based on computational guilt by association analysis biological_process molecular_function cellular_component YIL086C_d YIL086C hom 0.0216557843417707 0.209761755223715 838 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL021W ECM23 hom FT CELL WALL ORG/BIOGENESIS 0.0216530638136786 0.209886997537548 839 Non-essential protein of unconfirmed function; affects pre-rRNA processing, may act as a negative regulator of the transcription of genes involved in pseudohyphal growth; homologous to Srd1p pseudohyphal growth sequence-specific DNA binding cellular_component YIL126W STH1 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|RSC COMPLEX 0.0216439660001576 0.210078624908074 840 ATPase component of the RSC chromatin remodeling complex; required for expression of early meiotic genes; essential helicase-related protein homologous to Snf2p double-strand break repair|ATP-dependent chromatin remodeling|nucleosome positioning|chromosome segregation|chromatin remodeling at centromere|nucleosome disassembly|regulation of transcription, DNA-dependent|G2/M transition of mitotic cell cycle|meiosis|cytoskeleton organization|transcription elongation from RNA polymerase II promoter histone acetyl-lysine binding|DNA translocase activity|helicase activity|DNA-dependent ATPase activity RSC complex|nucleus YDR127W ARO1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.02157033054215 0.212864833454127 841 Pentafunctional arom protein, catalyzes steps 2 through 6 in the biosynthesis of chorismate, which is a precursor to aromatic amino acids aromatic amino acid family biosynthetic process shikimate kinase activity|shikimate 3-dehydrogenase (NADP+) activity|3-phosphoshikimate 1-carboxyvinyltransferase activity|3-dehydroquinate dehydratase activity|3-dehydroquinate synthase activity cytoplasm YML068W ITT1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION 0.0215445761801166 0.212112160949302 842 Protein that modulates the efficiency of translation termination, interacts with translation release factors eRF1 (Sup45p) and eRF3 (Sup35p) in vitro, contains a zinc finger domain characteristic of the TRIAD class of proteins regulation of translational termination molecular_function cellular_component YPL220W RPL1A hom FT TRANSLATION|RIBOSOME 0.021479039321448 0.213506171165598 843 Ribosomal 60S subunit protein L1A; N-terminally acetylated; homologous to mammalian ribosomal protein L10A and bacterial L1; RPL1A has a paralog, RPL1B, that arose from the whole genome duplication; rpl1a rpl1b double null mutation is lethal cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YHR172W SPC97 het FT CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.0214786165495536 0.213788452105315 844 Component of the microtubule-nucleating Tub4p (gamma-tubulin) complex; interacts with Spc110p at the spindle pole body (SPB) inner plaque and with Spc72p at the SPB outer plaque microtubule nucleation structural constituent of cytoskeleton outer plaque of spindle pole body|gamma-tubulin small complex, spindle pole body|inner plaque of spindle pole body YBR220C_p YBR220C hom 0.0214674475045741 0.21382171983975 845 Putative protein of unknown function; YBR220C is not an essential gene biological_process molecular_function integral to membrane YLR430W SEN1 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.021443980140917 0.214254609472492 846 Presumed helicase and subunit of the Nrd1 complex (Nrd1p-Nab3p-Sen1p); complex interacts with the exosome to mediate 3' end formation of some mRNAs, snRNAs, snoRNAs, and CUTs; has a separate role in coordinating DNA replication with transcription, by associating with moving replication forks and preventing errors that occur when forks encounter transcribed regions; homolog of Senataxin, which is implicated in Ataxia-Oculomotor Apraxia 2 and a dominant form of ALS tRNA processing|mRNA 3'-end processing|termination of RNA polymerase II transcription|mRNA polyadenylation|snoRNA 3'-end processing|rRNA processing|snRNA processing ATP-dependent 5'-3' DNA helicase activity|DNA-dependent ATPase activity|RNA-dependent ATPase activity|ATP-dependent 5'-3' RNA helicase activity|protein domain specific binding Nrd1 complex|nucleus YMR243C ZRC1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0214410834876381 0.214316531284031 847 Vacuolar membrane zinc transporter; transports zinc from cytosol to vacuole for storage; also has role in resistance to zinc shock resulting from sudden influx of zinc into cytoplasm; human ortholog SLC30A10 functions as a Mn transporter and mutations in SLC30A10 cause neurotoxic accumulation of Mn in liver and brain; ZRC1 has a paralog, COT1, that arose from the whole genome duplication cobalt ion transport|cellular zinc ion homeostasis|zinc ion transport|glutathione metabolic process zinc ion transmembrane transporter activity|inorganic cation transmembrane transporter activity integral to membrane|fungal-type vacuole YKL135C APL2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS|PLASMA MEMBRANE 0.0214362977460102 0.214418864432252 848 Beta-adaptin subunit of the clathrin-associated protein (AP-1) complex; binds clathrin; involved in clathrin-dependent Golgi protein sorting; protein abundance increases in response to DNA replication stress Golgi to vacuole transport|vesicle-mediated transport clathrin binding AP-1 adaptor complex YLR126C YLR126C hom FT KETONE METABOLISM|AMINO ACID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS 0.0214251370964396 0.214657648567883 849 Putative glutamine amidotransferase; has Aft1p-binding motif in the promoter; may be involved in copper and iron homeostasis; YLR126C is not an essential protein; relocalizes from nucleus to cytoplasmic foci upon DNA replication stress cellular copper ion homeostasis|cellular iron ion homeostasis molecular_function cytoplasm YBL001C ECM15 hom FT CELL WALL ORG/BIOGENESIS|NUCLEUS 0.0213911751894788 0.215453877004497 850 Non-essential protein of unknown function, likely exists as tetramer, may be regulated by the binding of small-molecule ligands (possibly sulfate ions), may have a role in yeast cell-wall biogenesis fungal-type cell wall organization molecular_function nucleus|cytoplasm YDR528W HLR1 hom FT CELL WALL ORG/BIOGENESIS 0.0213833211055612 0.21555401315486 851 Protein involved in regulation of cell wall composition and integrity and response to osmotic stress; overproduction suppresses a lysis sensitive PKC mutation; similar to Lre1p, which functions antagonistically to protein kinase A;
HLR1 has a paralog, LRE1, that arose from the whole genome duplication fungal-type cell wall organization molecular_function cytoplasm YER034W YER034W hom FT NUCLEUS 0.0213592760867952 0.21607065925091 852 Protein of unknown function; non-essential gene; expression induced upon calcium shortage; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus|cytoplasm YGR116W SPT6 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|CHROMATIN ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|RNA LOCALIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0213550413559059 0.216161741510615 853 Nucleosome remodeling protein; functions in various aspects of transcription, chromatin maintenance, and RNA processing; required for the maintenance of chromatin structure during transcription in order to inhibit transcription from promoters within the coding region poly(A)+ mRNA export from nucleus|regulation of transcription by chromatin organization|regulation of mRNA 3'-end processing|transcription antitermination|positive regulation of transcription involved in G1/S phase of mitotic cell cycle|regulation of transcriptional start site selection at RNA polymerase II promoter|negative regulation of transcription from RNA polymerase II promoter by glucose|negative regulation of transcription from RNA polymerase II promoter|nucleosome organization|chromatin maintenance|regulation of nucleosome density|nucleosome assembly|chromatin remodeling|regulation of histone H3-K36 methylation|positive regulation of transcription from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter in response to stress core RNA polymerase II binding transcription factor activity|nucleosome binding|histone binding|DNA binding transcription antitermination factor activity mitochondrion|nucleus|transcriptionally active chromatin YGR265W_d YGR265W het 0.0213490342117533 0.216290992924286 854 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF MES1/YGR264C, which encodes methionyl-tRNA synthetase Unknown Unknown Unknown YJR013W GPI14 het FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0213315181871293 0.216668190123189 855 Glycosylphosphatidylinositol-alpha 1,4 mannosyltransferase I, involved in GPI anchor biosynthesis, requires Pbn1p for function; homolog of mammalian PIG-M fungal-type cell wall organization|GPI anchor biosynthetic process mannosyltransferase activity integral to membrane|endoplasmic reticulum membrane YML103C NUP188 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0213293475150112 0.216714967190951 856 Subunit of the inner ring of the nuclear pore complex (NPC); contributes to NPC organization and nucleocytoplasmic transport; homologous to human NUP188 nuclear pore organization|protein import into nucleus|mRNA export from nucleus in response to heat stress structural constituent of nuclear pore integral to membrane|nuclear pore|nuclear pore inner ring YOR076C SKI7 hom FT TRANSLATION|NUCLEOTIDE METABOLISM 0.0213205059179919 0.216905574924493 857 Coupling protein that mediates interactions between the Ski complex and the cytoplasmic exosome during 3'-5' RNA degradation; eRF3-like domain targets nonstop mRNA for degradation; null mutants have superkiller phenotype nuclear-transcribed mRNA catabolic process, exonucleolytic, 3'-5'|nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay|nuclear-transcribed mRNA catabolic process, non-stop decay|nonfunctional rRNA decay protein binding, bridging Ski complex|cytoplasmic exosome (RNase complex)|cytoplasm YOL097C WRS1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0213035177471649 0.217272145343064 858 Cytoplasmic tryptophanyl-tRNA synthetase, aminoacylates tryptophanyl-tRNA tryptophanyl-tRNA aminoacylation tryptophan-tRNA ligase activity cytoplasm YPR061C JID1 hom FT MITOCHONDRION 0.0212621701617152 0.218166203398572 859 Probable Hsp40p co-chaperone, has a DnaJ-like domain and appears to be involved in ER-associated degradation of misfolded proteins containing a tightly folded cytoplasmic domain; inhibits replication of Brome mosaic virus in S. cerevisiae biological_process molecular_function mitochondrion YPR038W_d IRC16 hom 0.0212585406446954 0.218244810367848 860 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified gene YPR037C; null mutant displays increased levels of spontaneous Rad52p foci Unknown Unknown Unknown YFR005C SAD1 het FT RNA PROCESSING|PROTEOLYSIS|NUCLEUS 0.0212517258123617 0.218392458878349 861 Conserved zinc-finger domain protein involved in pre-mRNA splicing, required for assembly of U4 snRNA into the U4/U6 particle mRNA splicing, via spliceosome molecular_function nucleus YIL154C IMP2' hom FF|FT RESPONSE TO DNA DAMAGE|ION HOMEOSTASIS|CARBOHYDRATE METABOLISM|ION HOMEOSTASIS 0.0212495658397918 0.219127106791636 862 Transcriptional activator involved in maintenance of ion homeostasis and protection against DNA damage caused by bleomycin and other oxidants, contains a C-terminal leucine-rich repeat DNA repair|cellular carbohydrate metabolic process transcription coactivator activity cytoplasm YKR014C YPT52 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0212483438717283 0.218465757816195 863 Rab family GTPase, similar to Ypt51p and Ypt53p and to mammalian rab5; required for vacuolar protein sorting and endocytosis; protein abundance increases in response to DNA replication stress endocytosis|protein targeting to vacuole GTPase activity late endosome YPR088C SRP54 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS 0.0212431654951152 0.218578026281862 864 Signal recognition particle (SRP) subunit (homolog of mammalian SRP54); contains the signal sequence-binding activity of SRP, interacts with the SRP RNA, and mediates binding of SRP to signal receptor; contains GTPase domain SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition|SRP-dependent cotranslational protein targeting to membrane|protein targeting to ER 7S RNA binding|GTP binding|signal sequence binding signal recognition particle, endoplasmic reticulum targeting YDL116W NUP84 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RIBOSOME BIOGENESIS|RESPONSE TO DNA DAMAGE|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0212386408978597 0.218676154560975 865 Subunit of the Nup84p subcomplex of the nuclear pore complex (NPC); contributes to nucleocytoplasmic transport and NPC biogenesis; also plays roles in several processes that may require localization of genes or chromosomes at the nuclear periphery, including double-strand break repair, transcription and chromatin silencing; homologous to human NUP107 double-strand break repair|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|maintenance of chromatin silencing at telomere|nuclear pore distribution|telomere tethering at nuclear periphery|response to DNA damage stimulus|mRNA export from nucleus in response to heat stress|mRNA export from nucleus|positive regulation of transcription, DNA-dependent|protein import into nucleus|positive regulation of transcription from RNA polymerase II promoter|chromatin silencing at silent mating-type cassette structural constituent of nuclear pore integral to membrane|nuclear pore outer ring|nuclear pore YGR073C_d YGR073C het 0.0212303012173723 0.21885710624111 866 Dubious open reading frame unlikely to encode a functional protein, extensively overlaps essential SMD1 gene encoding a U6 snRNP protein Unknown Unknown Unknown YML009C-A_d YML009C-A hom 0.0211934129232208 0.219658785800378 867 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YHL008C_p YHL008C hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0211626654201427 0.22053512706583 868 Putative protein of unknown function, may be involved in the uptake of chloride ions; does not appear to be involved in monocarboxylic acid transport; green fluorescent protein (GFP)-fusion protein localizes to the vacuole chloride transport|monocarboxylic acid transport monocarboxylic acid transmembrane transporter activity|transporter activity integral to membrane|fungal-type vacuole YLR129W DIP2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0211527230258849 0.220545525315664 869 Nucleolar protein, specifically associated with the U3 snoRNA, part of the large ribonucleoprotein complex known as the small subunit (SSU) processome, required for 18S rRNA biogenesis, part of the active pre-rRNA processing complex endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) snoRNA binding small-subunit processome|nucleolus|Pwp2p-containing subcomplex of 90S preribosome|90S preribosome YML102W CAC2 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.02114055099035 0.220811283817117 870 Subunit of chromatin assembly factor I (CAF-1), with Rlf2p and Msi1p; chromatin assembly by CAF-1 is important for multiple processes including silencing at telomeres, mating type loci, and rDNA; maintenance of kinetochore structure; deactivation of the DNA damage checkpoint after DNA repair; and chromatin dynamics during transcription DNA replication-dependent nucleosome assembly histone binding chromosome, centromeric region|CAF-1 complex YLR205C HMX1 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0211047891375112 0.221800209514003 871 ER localized heme oxygenase, involved in heme degradation during iron starvation and in the oxidative stress response; expression is regulated by AFT1 and oxidative stress; relocates to the perinuclear region in the presence of oxidants response to oxidative stress|cellular iron ion homeostasis|heme catabolic process heme oxygenase (decyclizing) activity endoplasmic reticulum|membrane|nuclear outer membrane YAR002C-A ERP1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0210743613284193 0.22260547912923 872 Member of the p24 family involved in ER to Golgi transport; forms heterotrimeric complex with Erp2p, Emp24p, and Erv25p; localized to COPII-coated vesicles; ERP1 has a paralog, ERP6, that arose from the whole genome duplication ER to Golgi vesicle-mediated transport molecular_function mitochondrion|ER to Golgi transport vesicle YNL032W SIW14 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION 0.0210725239988714 0.222300779229434 873 Tyrosine phosphatase that plays a role in actin filament organization and endocytosis; localized to the cytoplasm actin filament organization|endocytosis|protein dephosphorylation|response to stress protein tyrosine phosphatase activity cytoplasm YPL138C SPP1 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS 0.0210708506331793 0.222337509068423 874 Subunit of COMPASS (Set1C), a complex which methylates histone H3 on lysine 4 and is required in telomeric transcriptional silencing; interacts with Orc2p; PHD finger domain protein similar to human CGBP, an unmethylated CpG binding protein histone H3-K4 methylation|regulation of transcription, DNA-dependent|chromatin silencing at telomere histone methyltransferase activity (H3-K4 specific)|chromatin binding|methylated histone residue binding Set1C/COMPASS complex YHR159W_p TDA11 hom 0.0210673639913451 0.222414053688767 875 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; potential Cdc28p substrate; null mutant is sensitive to expression of the top1-T722A allele biological_process molecular_function cytoplasm YGR150C CCM1 hom FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0210653493349484 0.222941604861808 876 Mitochondrial 15s rRNA-binding protein; required for intron removal of COB and COX1 pre-mRNAs; contains pentatricopeptide repeat (PPR) motifs; mutant is respiratory deficient and has defective plasma membrane electron transport rRNA metabolic process|mitochondrial RNA processing|mitochondrial genome maintenance rRNA binding mitochondrion YLR225C_p YLR225C hom FT RESPONSE TO OXIDATIVE STRESS 0.0210598438330799 0.222579213040195 877 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YLR225C is not an essential gene biological_process molecular_function cytoplasm YDR270W CCC2 hom FF|FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.021035532217203 0.223113750440459 878 Cu(+2)-transporting P-type ATPase; required for export of copper from the cytosol into an extracytosolic compartment; has similarity to human proteins involved in Menkes and Wilsons diseases; protein abundance increases in response to DNA replication stress; affects TBSV model (+)RNA virus replication by regulating copper metabolism cellular iron ion homeostasis|copper ion export|transmembrane transport copper ion binding|cation-transporting ATPase activity integral to membrane|trans-Golgi network transport vesicle membrane YBL073W_d YBL073W het 0.0210283779295745 0.223271225850413 879 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the essential gene AAR2/YBL074C Unknown Unknown Unknown YOR385W_p YOR385W hom 0.0210205845452988 0.223442859063263 880 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YOR385W is not an essential gene biological_process molecular_function cytoplasm YHR171W ATG7 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS|MITOCHONDRION 0.0210044362248203 0.223798792715038 881 Autophagy-related protein and dual specificity member of the E1 family of ubiquitin-activating enzymes; mediates the conjugation of Atg12p with Atg5p and Atg8p with phosphatidylethanolamine, required steps in autophagosome formation C-terminal protein lipidation|protein modification by small protein conjugation|piecemeal microautophagy of nucleus|mitochondrion degradation|macroautophagy|CVT pathway APG8 activating enzyme activity|APG12 activating enzyme activity cytosol|mitochondrion|membrane|pre-autophagosomal structure YER025W GCD11 het FT TRANSLATION|NUCLEOTIDE METABOLISM|RIBOSOME 0.0209935124767628 0.224039798499077 882 Gamma subunit of the translation initiation factor eIF2, involved in the identification of the start codon; binds GTP when forming the ternary complex with GTP and tRNAi-Met positive regulation of translational fidelity GTP binding|tRNA binding|translation initiation factor activity multi-eIF complex|ribosome|eukaryotic translation initiation factor 2 complex YDR169C-A_p YDR169C-A hom 0.0209934269727478 0.224041685667324 883 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YKL053C-A MDM35 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0209756782344637 0.224433665919662 884 Mitochondrial intermembrane space protein; mutation affects mitochondrial distribution and morphology; contains twin cysteine-x9-cysteine motifs; protein abundance increases in response to DNA replication stress mitochondrion organization|mitochondrial respiratory chain complex assembly molecular_function nucleus|cytoplasm|mitochondrial intermembrane space YOL125W TRM13 hom FT RNA PROCESSING|NUCLEUS 0.0209563207213919 0.224861734184277 885 2'-O-methyltransferase responsible for modification of tRNA at position 4; C-terminal domain has similarity to Rossmann-fold (RFM) superfamily of RNA methyltransferases tRNA methylation tRNA methyltransferase activity nucleus|cytoplasm YOR038C HIR2 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS 0.0209356393346876 0.225527315718427 886 Subunit of the HIR complex, a nucleosome assembly complex involved in regulation of histone gene transcription; recruits Swi-Snf complexes to histone gene promoters; promotes heterochromatic gene silencing with Asf1p DNA replication-independent nucleosome assembly|regulation of transcription from RNA polymerase II promoter|transcription elongation from RNA polymerase II promoter nucleosome binding|transcription corepressor activity|DNA binding HIR complex|nucleus YNL317W PFS2 het FT RNA PROCESSING|NUCLEUS 0.0209101372406858 0.226231694692854 887 Integral subunit of the pre-mRNA cleavage and polyadenylation factor (CPF) complex; plays an essential role in mRNA 3'-end formation by bridging different processing factors and thereby promoting the assembly of the processing complex mRNA cleavage|mRNA polyadenylation RNA binding mRNA cleavage and polyadenylation specificity factor complex YMR075C-A_d YMR075C-A hom 0.0208943550506849 0.226443735374851 888 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps the verified ORF RCO1/YMR075W Unknown Unknown Unknown YDL160C DHH1 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|RNA LOCALIZATION 0.0208735925687899 0.226767006377353 889 Cytoplasmic DExD/H-box helicase, stimulates mRNA decapping; coordinates distinct steps in mRNA function and decay, interacts with both the decapping and deadenylase complexes, may have a role in mRNA export and translation; C-terminus of Dhh1p interacts with Ngr1p and promotes POR1, but not EDC1 mRNA decay; forms cytoplasmic foci upon DNA replication stress deadenylation-dependent decapping of nuclear-transcribed mRNA|cell morphogenesis involved in conjugation with cellular fusion|stress granule assembly|cytoplasmic mRNA processing body assembly protein binding|RNA helicase activity cytoplasmic mRNA processing body|cytoplasmic stress granule|cytoplasm YMR007W_d YMR007W hom 0.0208718484354962 0.226736560990552 890 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YKL073W LHS1 hom FT PROTEIN LOCALIZATION|NUCLEOTIDE METABOLISM|ENDOPLASMIC RETICULUM 0.0208685993869974 0.226808894153328 891 Molecular chaperone of the endoplasmic reticulum lumen, involved in polypeptide translocation and folding; nucleotide exchange factor for the ER lumenal Hsp70 chaperone Kar2p; regulated by the unfolded protein response pathway posttranslational protein targeting to membrane, translocation|response to unfolded protein unfolded protein binding|adenyl-nucleotide exchange factor activity|ATP binding endoplasmic reticulum lumen YJR108W ABM1 hom FT CYTOSKELETON ORGANIZATION 0.020868146890691 0.226818969327237 892 Protein of unknown function, required for normal microtubule organization microtubule cytoskeleton organization molecular_function cellular_component YIR034C LYS1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.0208633193764336 0.2269264774577 893 Saccharopine dehydrogenase (NAD+, L-lysine-forming), catalyzes the conversion of saccharopine to L-lysine, which is the final step in the lysine biosynthesis pathway; also has mRNA binding activity lysine biosynthetic process|lysine biosynthetic process via aminoadipic acid saccharopine dehydrogenase (NAD+, L-lysine-forming) activity|mRNA binding cytoplasm YMR171C EAR1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|VACUOLAR TRANSPORT 0.0208041161991996 0.228247879611953 894 Specificity factor required for Rsp5p-dependent ubiquitination and sorting of specific cargo proteins at the multivesicular body; mRNA is targeted to the bud via the mRNA transport system involving She2p protein targeting to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway molecular_function endosome YER122C GLO3 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|NUCLEOTIDE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0207713678740364 0.229050586713052 895 ADP-ribosylation factor GTPase activating protein (ARF GAP), involved in ER-Golgi transport; shares functional similarity with Gcs1p retrograde vesicle-mediated transport, Golgi to ER|COPI coating of Golgi vesicle|ER to Golgi vesicle-mediated transport ARF GTPase activator activity COPI-coated vesicle|endoplasmic reticulum-Golgi intermediate compartment|COPI vesicle coat YOR278W HEM4 het FT COFACTOR METABOLISM 0.0207607556536687 0.229219146903075 896 Uroporphyrinogen III synthase, catalyzes the conversion of hydroxymethylbilane to uroporphyrinogen III, the fourth step in heme biosynthesis; deficiency in the human homolog can result in the disease congenital erythropoietic porphyria heme biosynthetic process uroporphyrinogen-III synthase activity cellular_component YMR069W NAT4 hom FT CHROMATIN ORGANIZATION|NUCLEUS 0.0207386534147128 0.230341516392613 897 N alpha-acetyl-transferase, involved in acetylation of the N-terminal residues of histones H4 and H2A histone acetylation histone acetyltransferase activity nucleus|cytoplasm YBR265W TSC10 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0207274250512167 0.229967741537873 898 3-ketosphinganine reductase, catalyzes the second step in phytosphingosine synthesis, essential for growth in the absence of exogenous dihydrosphingosine or phytosphingosine, member of short chain dehydrogenase/reductase protein family 3-keto-sphinganine metabolic process|sphingolipid biosynthetic process oxidoreductase activity, acting on NADH or NADPH mitochondrial outer membrane|endoplasmic reticulum|cytoplasm YIL060W_p YIL060W hom 0.0206940283225415 0.230719562834328 899 Putative protein of unknown function; mutant accumulates less glycogen than does wild type; null mutation results in a decrease in plasma membrane electron transport; YIL060W is not an essential gene biological_process molecular_function cellular_component YDL057W_p YDL057W hom 0.020686029753639 0.23089988409798 900 Putative protein of unknown function; YDL057W is not an essential gene biological_process molecular_function cellular_component YDL047W SIT4 hom FT CELL CYCLE|RNA PROCESSING|SIGNALING|RESPONSE TO DNA DAMAGE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CYTOSKELETON ORGANIZATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.020662811995452 0.231423876613383 901 Type 2A-related serine-threonine phosphatase that functions in the G1/S transition of the mitotic cycle; cytoplasmic and nuclear protein that modulates functions mediated by Pkc1p including cell wall and actin cytoskeleton organization intracellular protein kinase cascade|replicative cell aging|G1/S transition of mitotic cell cycle|actin cytoskeleton organization|DNA repair|cellular response to oxidative stress|fungal-type cell wall organization|TOR signaling cascade|dephosphorylation|tRNA wobble uridine modification protein serine/threonine phosphatase activity nucleus|cytoplasm YEL009C GCN4 hom FF|FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|PROTEIN COMPLEX ORG/BIOGENESIS|AMINO ACID METABOLISM|RIBOSOME BIOGENESIS|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0205986488311099 0.232876338632012 902 Basic leucine zipper (bZIP) transcriptional activator of amino acid biosynthetic genes in response to amino acid starvation; expression is tightly regulated at both the transcriptional and translational levels nitrogen catabolite activation of transcription from RNA polymerase II promoter|negative regulation of transcription from RNA polymerase II promoter|positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription initiation from RNA polymerase II promoter|negative regulation of ribosomal protein gene transcription from RNA polymerase II promoter in response to nutrient levels chromatin binding|TFIID-class binding transcription factor activity|sequence-specific DNA binding|RNA polymerase II transcription factor binding transcription factor activity involved in positive regulation of transcription|RNA polymerase II transcription factor recruiting transcription factor activity|RNA polymerase II transcription factor binding transcription factor activity involved in negative regulation of transcription|sequence-specific DNA binding transcription factor activity nucleus YDR282C_p YDR282C hom 0.0205969612913024 0.232914626520643 903 Putative protein of unknown function; localizes to the inner mitochondrial membrane with the C terminus facing the intermembrane space; ortholog of human RMND1, mutation in which is implicated in infantile encephaloneuromyopathy and defective mitochondrial translation biological_process molecular_function cellular_component YGR161W-C_p YGR161W-C hom 0.0205936784632275 0.232989122027116 904 Putative protein of unknown function; identified by sequence comparison with hemiascomycetous yeast species biological_process molecular_function cellular_component YLR386W VAC14 hom FT PROTEIN LOCALIZATION|LIPID METABOLISM 0.0205826353515372 0.233239841587609 905 Protein involved in regulated synthesis of PtdIns(3,5)P(2), in control of trafficking of some proteins to the vacuole lumen via the MVB, and in maintenance of vacuole size and acidity; interacts with Fig4p; activator of Fab1p phosphatidylinositol biosynthetic process|positive regulation of kinase activity protein binding, bridging fungal-type vacuole membrane|PAS complex|extrinsic to vacuolar membrane YPR077C_d YPR077C hom 0.0205709668996067 0.233504966411464 906 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; expression increased by deletion of NAP1 Unknown Unknown Unknown YLR363W-A YLR363W-A hom FT NUCLEUS 0.0205481081944262 0.23402496949181 907 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nucleus; relocalizes from nucleus to nucleolus upon DNA replication stress biological_process molecular_function nucleus YGR246C BRF1 het FT TRANSLATION|NUCLEUS 0.0205301315772205 0.234643880581817 908 TFIIIB B-related factor, one of three subunits of RNA polymerase III transcription initiation factor TFIIIB, binds TFIIIC and TBP and recruits RNA pol III to promoters, amino-terminal half is homologous to TFIIB DNA-dependent transcriptional open complex formation|transposon integration|RNA polymerase III transcriptional preinitiation complex assembly|negative regulation of protein homodimerization activity TFIIIC-class transcription factor binding|RNA polymerase III core binding|DNA binding|TFIIIB-type transcription factor activity transcription factor TFIIIB complex YMR172C-A_d YMR172C-A hom 0.0205064837600209 0.235323251019278 909 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBR088C POL30 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0204868877198821 0.235421686867993 910 Proliferating cell nuclear antigen (PCNA), functions as the sliding clamp for DNA polymerase delta; may function as a docking site for other proteins required for mitotic and meiotic chromosomal DNA replication and for DNA repair lagging strand elongation|postreplication repair|base-excision repair|nucleotide-excision repair|mismatch repair|meiotic mismatch repair|leading strand elongation|chromatin silencing at telomere|mitotic sister chromatid cohesion|chromatin silencing at silent mating-type cassette DNA polymerase processivity factor activity PCNA complex|nucleus|replication fork YMR066W SOV1 hom FT MITOCHONDRION 0.020429483756902 0.236806591980426 911 Mitochondrial protein of unknown function biological_process molecular_function mitochondrion YOL164W BDS1 hom 0.0203976665323355 0.237817798174093 912 Bacterially-derived sulfatase required for use of alkyl- and aryl-sulfates as sulfur sources dodecyl sulfate metabolic process arylsulfatase activity|alkyl sulfatase activity cellular_component YBR274W CHK1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0203854706968114 0.237748427251405 913 Serine/threonine kinase and DNA damage checkpoint effector, mediates cell cycle arrest via phosphorylation of Pds1p; phosphorylated by checkpoint signal transducer Mec1p; homolog of S. pombe and mammalian Chk1 checkpoint kinase protein phosphorylation|replication fork protection|DNA damage checkpoint protein serine/threonine kinase activity nucleus YKL211C TRP3 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0203662388631922 0.239314442776776 914 Indole-3-glycerol-phosphate synthase; forms bifunctional hetero-oligomeric anthranilate synthase:indole-3-glycerol phosphate synthase enzyme complex with Trp2p tryptophan biosynthetic process indole-3-glycerol-phosphate synthase activity|anthranilate synthase activity anthranilate synthase complex|cytoplasm YLR024C UBR2 hom 0.0203561749574979 0.238423550959129 915 Cytoplasmic ubiquitin-protein ligase (E3); required for ubiquitylation of Rpn4p; mediates formation of a Mub1p-Ubr2p-Rad6p complex protein monoubiquitination ubiquitin-protein ligase activity cytoplasm YGR257C MTM1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0203541014401037 0.238541400750319 916 Mitochondrial protein of the mitochondrial carrier family, involved in activating mitochondrial Sod2p probably by facilitating insertion of an essential manganese cofactor manganese ion transport|transport transporter activity|metallochaperone activity mitochondrion|integral to membrane|mitochondrial inner membrane YKL029C MAE1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0203428702731055 0.239081000510251 917 Mitochondrial malic enzyme, catalyzes the oxidative decarboxylation of malate to pyruvate, which is a key intermediate in sugar metabolism and a precursor for synthesis of several amino acids pyruvate metabolic process|cellular amino acid metabolic process malic enzyme activity mitochondrion YPL089C RLM1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|NUCLEUS 0.0203353235455394 0.238904897395318 918 MADS-box transcription factor; component of the protein kinase C-mediated MAP kinase pathway involved in the maintenance of cell integrity; phosphorylated and activated by the MAP-kinase Slt2p; RLM1 has a paralog, SMP1, that arose from the whole genome duplication signal transduction|positive regulation of transcription from RNA polymerase II promoter in response to stress|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity|DNA binding, bending|sequence-specific DNA binding nucleus YJL187C SWE1 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS|SITE OF POLARIZED GROWTH 0.0203152504873105 0.239368922888226 919 Protein kinase that regulates the G2/M transition by inhibition of Cdc28p kinase activity; localizes to the nucleus and to the daughter side of the mother-bud neck; homolog of S. pombe Wee1p; potential Cdc28p substrate negative regulation of spindle pole body separation|G2/M transition size control checkpoint|protein phosphorylation|re-entry into mitotic cell cycle|G2/M transition of mitotic cell cycle|cell shape checkpoint|regulation of cyclin-dependent protein kinase activity|regulation of cell size|regulation of meiosis protein tyrosine kinase activity|protein kinase activity nucleus|cellular bud neck YDL134C PPH21 hom FT CELL CYCLE|TRANSLATION|CELL DIVISION|CYTOSKELETON ORGANIZATION 0.0202966791257769 0.240079310620168 920 Catalytic subunit of protein phosphatase 2A (PP2A); functionally redundant with Pph22p; methylated at C terminus; forms alternate complexes with several regulatory subunits; involved in signal transduction and regulation of mitosis; forms nuclear foci upon DNA replication stress; PPH21 has a paralog, PPH22, that arose from the whole genome duplication actin filament organization|budding cell bud growth|protein dephosphorylation|G1/S transition of mitotic cell cycle|mitotic cell cycle spindle assembly checkpoint|regulation of translation protein serine/threonine phosphatase activity protein phosphatase type 2A complex YNL050C_p YNL050C hom 0.0202868263111271 0.240027086009089 921 Putative protein of unknown function; YNL050c is not an essential gene biological_process molecular_function cellular_component YMR027W_p YMR027W hom FT NUCLEUS 0.0202642839579353 0.240549960979502 922 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nucleus and cytoplasm; YMR027W is not an essential gene biological_process molecular_function nucleus|cytoplasm YDR354W TRP4 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0202617747193251 0.241451491172901 923 Anthranilate phosphoribosyl transferase of the tryptophan biosynthetic pathway, catalyzes the phosphoribosylation of anthranilate, subject to the general control system of amino acid biosynthesis tryptophan biosynthetic process anthranilate phosphoribosyltransferase activity nucleus|cytoplasm YLR191W PEX13 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PEROXISOME ORGANIZATION 0.0202536003016699 0.240798050748446 924 Integral peroxisomal membrane protein required for translocation of peroxisomal matrix proteins, interacts with the PTS1 signal recognition factor Pex5p and the PTS2 signal recognition factor Pex7p, forms a complex with Pex14p and Pex17p protein import into peroxisome matrix, docking protein binding, bridging peroxisomal membrane YNL080C EOS1 hom FT CARBOHYDRATE METABOLISM|RESPONSE TO OXIDATIVE STRESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.020236081511105 0.241205251877033 925 Protein involved in N-glycosylation; deletion mutation confers sensitivity to exidative stress and shows synthetic lethality with mutations in the spindle checkpoint genes BUB3 and MAD1; YNL080C is not an essential gene cellular response to oxidative stress|protein N-linked glycosylation molecular_function integral to membrane|endoplasmic reticulum membrane YDL049C KNH1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0202222663689058 0.241596895642916 926 Protein with similarity to Kre9p, which is involved in cell wall beta 1,6-glucan synthesis; overproduction suppresses growth defects of a kre9 null mutant; required for propionic acid resistance (1->6)-beta-D-glucan biosynthetic process molecular_function fungal-type cell wall|extracellular region YCR091W KIN82 hom FT MEMBRANE ORGANIZATION|PROTEIN PHOSPHORYLATION 0.0202030301122649 0.24197480701986 927 Putative serine/threonine protein kinase implicated in the regulation of phospholipid asymmetry through the activation of phospholipid translocases (flippases) Lem3p-Dnf1p/Dnf2p; similar to Fpk1p phospholipid translocation|protein phosphorylation|response to pheromone protein kinase activity cellular_component YMR151W_d YIM2 hom 0.0201801692103478 0.242508100035419 928 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 5% of ORF overlaps the verified gene IMP1 Unknown Unknown Unknown YHR036W BRL1 het FF|FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0201767799309507 0.242587234510659 929 Essential nuclear envelope integral membrane protein identified as a suppressor of a conditional mutation in the major karyopherin, CRM1; homologous to and interacts with Brr6p, a nuclear envelope protein involved in nuclear export mRNA export from nucleus|protein export from nucleus|nuclear envelope organization molecular_function nuclear envelope|endoplasmic reticulum YKR032W_d YKR032W hom 0.0201739365274313 0.243145903748296 930 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOR207C RET1 het FF|FT NUCLEUS 0.0201587092080292 0.243009464548719 931 Second-largest subunit of RNA polymerase III, which is responsible for the transcription of tRNA and 5S RNA genes, and other low molecular weight RNAs tRNA transcription from RNA polymerase III promoter DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex YGL035C MIG1 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0201432696150212 0.243370625976109 932 Transcription factor involved in glucose repression; sequence specific DNA binding protein containing two Cys2His2 zinc finger motifs; regulated by the SNF1 kinase and the GLC7 phosphatase; regulates filamentous growth along with Mig2p in response to glucose depletion negative regulation of transcription from RNA polymerase II promoter by glucose|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in negative regulation of transcription|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding nucleus|nuclear envelope lumen|cytoplasm YKR061W KTR2 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0201335950331959 0.243597124881436 933 Mannosyltransferase involved in N-linked protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family; KTR2 has a paralog, YUR1, that arose from the whole genome duplication cell wall mannoprotein biosynthetic process|protein N-linked glycosylation mannosyltransferase activity Golgi apparatus YOR289W_p YOR289W hom FT NUCLEUS 0.0201191872385288 0.244639008398675 934 Putative protein of unknown function; transcription induced by the unfolded protein response; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and the nucleus biological_process molecular_function nucleus|cytoplasm YBR287W_p YBR287W hom FT ENDOPLASMIC RETICULUM 0.020112137631217 0.244100008398915 935 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the ER; YBR287W is not an essential gene biological_process molecular_function integral to membrane|endoplasmic reticulum YLL011W SOF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0201011346779694 0.244358160088176 936 Essential protein required for biogenesis of 40S (small) ribosomal subunit; has similarity to the beta subunit of trimeric G-proteins and the splicing factor Prp4p maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function small-subunit processome|nucleolus|90S preribosome YNR019W ARE2 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0200636313258853 0.245521201099889 937 Acyl-CoA:sterol acyltransferase; endoplasmic reticulum enzyme that contributes the major sterol esterification activity in the presence of oxygen; ARE2 has a paralog, ARE1, that arose from the whole genome duplication ergosterol metabolic process ergosterol O-acyltransferase activity integral to membrane|endoplasmic reticulum YHR030C SLT2 hom FF|FT PROTEIN LOCALIZATION|RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|CELL DIVISION|PROTEIN PHOSPHORYLATION|PEROXISOME ORGANIZATION|NUCLEUS|SITE OF POLARIZED GROWTH 0.020015958076211 0.247918562467492 938 Serine/threonine MAP kinase; involved in regulating maintenance of cell wall integrity, progression through the cell cycle, and nuclear mRNA retention in heat shock; required for mitophagy and pexophagy; affects recruitment of mitochondria to the phagophore assembly site (PAS); regulated by the PKC1-mediated signaling pathway protein phosphorylation|endoplasmic reticulum unfolded protein response|signal transduction|UFP-specific transcription factor mRNA processing involved in endoplasmic reticulum unfolded protein response|fungal-type cell wall organization|peroxisome degradation|regulation of transcription factor import into nucleus|barrier septum assembly|response to acid|regulation of cell size MAP kinase activity|protein serine/threonine kinase activity|protein kinase activity nucleus|cytoplasm|cellular bud tip YBL103C RTG3 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|SIGNALING|NUCLEUS 0.0200099587636801 0.246504705650774 939 Basic helix-loop-helix-leucine zipper (bHLH/Zip) transcription factor that forms a complex with another bHLH/Zip protein, Rtg1p, to activate the retrograde (RTG) and TOR pathways mitochondrion degradation|cellular response to oleic acid|mitochondria-nucleus signaling pathway|positive regulation of transcription from RNA polymerase II promoter|transcription factor import into nucleus RNA polymerase II transcription factor binding|sequence-specific DNA binding|sequence-specific DNA binding RNA polymerase II transcription factor activity nucleus|cytoplasm YDL217C TIM22 het FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0199988020935687 0.246768270169937 940 Essential core component of the mitochondrial TIM22 complex involved in insertion of polytopic proteins into the inner membrane; forms the channel through which proteins are imported protein import into mitochondrial inner membrane mitochondrion targeting sequence binding|protein channel activity mitochondrion|integral to membrane|mitochondrial inner membrane protein insertion complex YOR237W HES1 hom FT VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION 0.0199849898765286 0.24709484247121 941 Protein implicated in the regulation of ergosterol biosynthesis; one of a seven member gene family with a common essential function and non-essential unique functions; similar to human oxysterol binding protein (OSBP); HES1 has a paralog, KES1, that arose from the whole genome duplication maintenance of cell polarity|endocytosis|exocytosis|sterol transport lipid binding|oxysterol binding|sterol transporter activity cellular_component YKR022C NTR2 het FT RNA PROCESSING|NUCLEUS|ENDOPLASMIC RETICULUM 0.0199764492008457 0.24757904580672 942 Essential protein that forms a dimer with Ntr1p; also forms a trimer, with Ntr2p and the DExD/H-box RNA helicase Prp43p, that is involved in spliceosome disassembly spliceosomal complex disassembly|mRNA splicing, via spliceosome molecular_function endoplasmic reticulum|U2-type post-mRNA release spliceosomal complex|nucleus|spliceosomal complex|cytoplasm YBR192W RIM2 het FF|FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0199734517752017 0.247367878035212 943 Mitochondrial pyrimidine nucleotide transporter; imports pyrimidine nucleoside triphosphates and exports pyrimidine nucleoside monophosphates; member of the mitochondrial carrier family pyrimidine nucleotide transport|mitochondrial genome maintenance|transmembrane transport pyrimidine nucleotide transmembrane transporter activity|transporter activity mitochondrion|integral to membrane YEL066W HPA3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0199467338983555 0.248000935474212 944 D-Amino acid N-acetyltransferase, catalyzes N-acetylation of D-amino acids through ordered bi-bi mechanism in which acetyl-CoA is first substrate bound and CoA is last product liberated; similar to Hpa2p, acetylates histones weakly in vitro D-amino acid metabolic process D-amino-acid N-acetyltransferase activity nucleus|cytoplasm YMR023C MSS1 hom FT RNA PROCESSING|SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.019925638278235 0.248501578283159 945 Mitochondrial protein, forms a heterodimer complex with Mto1p that performs the 5-carboxymethylaminomethyl modification of the wobble uridine base in mitochondrial tRNAs; similar to human GTPBP3 mitochondrial tRNA wobble uridine modification|Unknown GTP binding mitochondrion|mitochondrial inner membrane YOR305W RRG7 hom FT MITOCHONDRION 0.0199183203744271 0.248675412274997 946 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the mitochondrion; deletion confers sensitivity to 4-(N-(S-glutathionylacetyl)amino) phenylarsenoxide (GSAO); YOR305W is not an essential gene biological_process molecular_function mitochondrion YLR139C SLS1 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0198950442733612 0.249228892224529 947 Mitochondrial membrane protein that coordinates expression of mitochondrially-encoded genes; may facilitate delivery of mRNA to membrane-bound translation machinery aerobic respiration|mitochondrial translation molecular_function mitochondrial nucleoid|mitochondrion|integral to membrane|mitochondrial inner membrane YDR423C CAD1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0198835772550531 0.249501881477839 948 AP-1-like basic leucine zipper (bZIP) transcriptional activator; involved in stress responses, iron metabolism, and pleiotropic drug resistance; controls a set of genes involved in stabilizing proteins; binds consensus sequence TTACTAA; CAD1 has a paralog, YAP1, that arose from the whole genome duplication cellular response to cadmium ion|positive regulation of transcription from RNA polymerase II promoter in response to stress|positive regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus|cytoplasm YMR182W-A_p YMR182W-A hom 0.0198816017014562 0.249548933523608 949 Putative protein of unknown function biological_process molecular_function cellular_component YBR237W PRP5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0198606578141582 0.250048138289198 950 RNA helicase in the DEAD-box family, necessary for prespliceosome formation, bridges U1 and U2 snRNPs and enables stable U2 snRNP association with intron RNA mRNA branch site recognition RNA-dependent ATPase activity spliceosomal complex YOR180C DCI1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS 0.0198406786378243 0.250524998228479 951 Peroxisomal protein; identification as a delta(3,5)-delta(2,4)-dienoyl-CoA isomerase involved in fatty acid metabolism is disputed fatty acid beta-oxidation dodecenoyl-CoA delta-isomerase activity peroxisomal matrix YNL230C ELA1 hom FT PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.019817679944398 0.251074712883449 952 Elongin A; F-box protein that forms a heterodimer with Elc1p and is required for ubiquitin-dependent degradation of the RNA Polymerase II subunit Rpo21p; subunit of the Elongin-Cullin-Socs (ECS) ligase complex protein ubiquitination involved in ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity elongin complex|Cul3-RING ubiquitin ligase complex YBL038W MRPL16 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0197991128119272 0.251519117777536 953 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome|peptidyltransferase activity mitochondrion|mitochondrial large ribosomal subunit YLR195C NMT1 het 0.019787573347839 0.251795591409461 954 N-myristoyl transferase, catalyzes the cotranslational, covalent attachment of myristic acid to the N-terminal glycine residue of several proteins involved in cellular growth and signal transduction N-terminal peptidyl-glycine N-myristoylation|replicative cell aging glycylpeptide N-tetradecanoyltransferase activity cytosol YOR345C_d YOR345C hom 0.0197439245817608 0.252843286581868 955 Dubious ORF unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the verified gene REV1; null mutant displays increased resistance to antifungal agents gliotoxin, cycloheximide and H2O2 Unknown Unknown Unknown YJR123W RPS5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0197408487495603 0.252917229684463 956 Protein component of the small (40S) ribosomal subunit; least basic of non-acidic ribosomal proteins; phosphorylated in vivo; essential for viability; homologous to mammalian ribosomal protein S5 and bacterial S7 cytoplasmic translation|rRNA export from nucleus|regulation of translational fidelity structural constituent of ribosome cytosolic small ribosomal subunit|90S preribosome YAL042C-A_d YAL042C-A hom 0.0197306176366737 0.253163294303416 957 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified ORF ERV46/YAL042W; YAL042C-A is a non-essential gene Unknown Unknown Unknown YOR260W GCD1 het FT TRANSLATION 0.0197295711297846 0.253259248313966 958 Gamma subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a negative regulator of GCN4 expression regulation of translational initiation translation initiation factor activity|guanyl-nucleotide exchange factor activity eukaryotic translation initiation factor 2B complex|guanyl-nucleotide exchange factor complex YNL274C GOR1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS|MITOCHONDRION 0.0197156899725651 0.253522612811898 959 Glyoxylate reductase; null mutation results in increased biomass after diauxic shift; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; protein abundance increases in response to DNA replication stress glyoxylate catabolic process|metabolic process oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor|glyoxylate reductase activity mitochondrion|nucleus|cytoplasm YPL063W TIM50 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0196899850423455 0.25414217858883 960 Essential component of the Translocase of the Inner Mitochondrial membrane (TIM23 complex); acts as receptor for the TIM23 complex guiding incoming precursors from the TOM complex; may control the gating of the Tim23p-Tim17p channel protein import into mitochondrial matrix mitochondrion targeting sequence binding|protein channel activity mitochondrion|mitochondrial inner membrane presequence translocase complex YBR134W_d YBR134W hom 0.0196850009444588 0.254262432071078 961 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL045W YJL045W hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0196220097714674 0.255785658588137 962 Minor succinate dehydrogenase isozyme; homologous to Sdh1p, the major isozyme reponsible for the oxidation of succinate and transfer of electrons to ubiquinone; induced during the diauxic shift in a Cat8p-dependent manner cellular respiration succinate dehydrogenase (ubiquinone) activity mitochondrion YBR006W UGA2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS 0.0196123401042333 0.256090947631093 963 Succinate semialdehyde dehydrogenase involved in the utilization of gamma-aminobutyrate (GABA) as a nitrogen source; part of the 4-aminobutyrate and glutamate degradation pathways; localized to the cytoplasm cellular response to oxidative stress|gamma-aminobutyric acid catabolic process|glutamate decarboxylation to succinate succinate-semialdehyde dehydrogenase [NAD(P)+] activity cytoplasm YER162C RAD4 hom FT RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0196007025756878 0.256302332005622 964 Protein that recognizes and binds damaged DNA (with Rad23p) during nucleotide excision repair; subunit of Nuclear Excision Repair Factor 2 (NEF2); also involved, with Rad23p, in turnover of ubiquitylated proteins proteasomal ubiquitin-dependent protein catabolic process|nucleotide-excision repair damaged DNA binding cytosol|nucleotide-excision repair factor 2 complex|nucleus YNL252C MRPL17 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0195822210699758 0.256751072302504 965 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YFR011C AIM13 hom FT MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0195600688585079 0.257289657207505 966 Mitochondrial protein peripheral to the inner membrane; component of the mitochondrial inner membrane organizing system (MINOS, MitOS, or MICOS), a scaffold-like structure on the intermembrane space side of the inner membrane which has a role in the maintenance of crista junctions and inner membrane architecture cristae formation molecular_function mitochondrion|extrinsic to mitochondrial inner membrane|mitochondrial crista junction|cytoplasm|mitochondrial intermembrane space YEL023C_p YEL023C hom 0.0195439925008573 0.25789399883388 967 Putative protein of unknown function; expression is increased greatly during sporulation; YEL023C is not an essential gene biological_process molecular_function cellular_component YGL154C LYS5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0195292903078496 0.258039273573748 968 Phosphopantetheinyl transferase involved in lysine biosynthesis; converts inactive apo-form of Lys2p (alpha-aminoadipate reductase) into catalytically active holo-form by posttranslational addition of phosphopantetheine lysine biosynthetic process via aminoadipic acid|protein-cofactor linkage holo-[acyl-carrier-protein] synthase activity cytoplasm YGR107W_d YGR107W hom 0.0195237186581788 0.258175133620615 969 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPR095C SYT1 hom FT VESICLE-MEDIATED TRANSPORT|SIGNALING|MITOCHONDRION|GOLGI APPARATUS 0.0195136251251257 0.258421382270084 970 Guanine nucleotide exchange factor (GEF) for Arf proteins; promotes activation of Arl1p, which recruits Imh1p to the Golgi; involved in vesicular transport; member of the Sec7-domain family; contains a PH domain vesicle-mediated transport|exocytosis|positive regulation of ARF protein signal transduction ARF guanyl-nucleotide exchange factor activity mitochondrion|Golgi apparatus part YDR163W CWC15 hom FT RNA PROCESSING|NUCLEUS 0.019510645482872 0.258494106736489 971 Non-essential protein involved in pre-mRNA splicing, component of a complex containing Cef1p; has similarity to S. pombe Cwf15p mRNA splicing, via spliceosome molecular_function U2-type spliceosomal complex YER088C DOT6 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0194972178254711 0.258822013018862 972 Protein involved in rRNA and ribosome biogenesis; binds polymerase A and C motif; subunit of the RPD3L histone deacetylase complex; has chromatin specific SANT domain; involved in telomeric gene silencing and filamentation; DOT6 has a paralog, TOD6, that arose from the whole genome duplication; relative distribution to the nucleus increases upon DNA replication stress chromatin silencing at rDNA|filamentous growth|regulation of transcription from RNA polymerase II promoter|unidimensional cell growth|chromatin silencing at telomere sequence-specific DNA binding Rpd3L-Expanded complex|nucleus|Rpd3L complex|cytoplasm YDR264C AKR1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0194955672648401 0.259502395698945 973 Palmitoyl transferase involved in protein palmitoylation; acts as a negative regulator of pheromone response pathway; required for endocytosis of pheromone receptors; involved in cell shape control; contains ankyrin repeats; AKR1 has a paralog, AKR2, that arose from the whole genome duplication protein targeting to membrane|regulation of endocytosis|regulation of pheromone-dependent signal transduction involved in conjugation with cellular fusion|protein palmitoylation palmitoyltransferase activity integral to membrane|Golgi apparatus|membrane YDR405W MRP20 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0194870855475285 0.259069636071363 974 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YKR041W YKR041W hom FT NUCLEUS|CYTOSKELETON 0.0194808185254063 0.259293913640811 975 Protein of unknown function; localizes to the mitotic spindle; overexpression of YKR041W affects endocytic protein trafficking biological_process molecular_function nucleus|mitotic spindle|cytoplasm YPR105C COG4 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS|PEROXISOME ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0194570892170796 0.259803678873466 976 Essential component of the conserved oligomeric Golgi complex (Cog1p through Cog8p), a cytosolic tethering complex that functions in protein trafficking to mediate fusion of transport vesicles to Golgi compartments peroxisome degradation|intra-Golgi vesicle-mediated transport|retrograde transport, vesicle recycling within Golgi|macroautophagy|CVT pathway molecular_function Golgi transport complex YOL115W PAP2 hom FT CELL CYCLE|RNA PROCESSING|RESPONSE TO DNA DAMAGE|CELL DIVISION|NUCLEUS 0.0194224075639715 0.260654169116371 977 Non-canonical poly(A) polymerase, involved in nuclear RNA degradation as a component of the TRAMP complex; catalyzes polyadenylation of hypomodified tRNAs, and snoRNA and rRNA precursors; overlapping but non-redundant functions with Trf5p polyadenylation-dependent mRNA catabolic process|nuclear polyadenylation-dependent CUT catabolic process|base-excision repair|nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent snoRNA catabolic process|nuclear polyadenylation-dependent rRNA catabolic process|nuclear polyadenylation-dependent snRNA catabolic process|ncRNA polyadenylation|histone mRNA catabolic process|nuclear polyadenylation-dependent mRNA catabolic process|nuclear polyadenylation-dependent antisense transcript catabolic process|U4 snRNA 3'-end processing|nuclear mRNA surveillance of mRNA 3'-end processing|polyadenylation-dependent snoRNA 3'-end processing|snoRNA polyadenylation|tRNA modification 5'-deoxyribose-5-phosphate lyase activity|polynucleotide adenylyltransferase activity nucleolus|nucleus|TRAMP complex YHL015W RPS20 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0194161890108771 0.260806868581371 978 Protein component of the small (40S) ribosomal subunit; overproduction suppresses mutations affecting RNA polymerase III-dependent transcription; homologous to mammalian ribosomal protein S20 and bacterial S10 cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit YDR395W SXM1 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0193815647609046 0.261658213960833 979 Nuclear transport factor (karyopherin) involved in protein transport between the cytoplasm and nucleoplasm; similar to Nmd5p, Cse1p, Lph2p, and the human cellular apoptosis susceptibility protein, CAS1 mRNA export from nucleus|nucleocytoplasmic transport protein transporter activity integral to membrane|nucleus|cytoplasm YBL084C CDC27 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0193804116251685 0.261900072289865 980 Subunit of the Anaphase-Promoting Complex/Cyclosome (APC/C), which is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|protein ubiquitination ubiquitin-protein ligase activity anaphase-promoting complex YKL151C YKL151C hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.0193724547825377 0.262096024480937 981 NADHX dehydratase; converts (S)-NADHX to NADH in an ATP-dependent manner; homologous to Carkd in mammals, and the C-terminal domain of YjeF in E.coli; enzyme is widespread in eukaryotes, prokaryotes and archaea; YKL151C promoter contains STREs (stress response elements) and expression is induced by heat shock or methyl methanesulfonate; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; protein abundance increases in response to DNA replication stress nicotinamide nucleotide metabolic process ATP-dependent NAD(P)H-hydrate dehydratase activity cytoplasm YFR037C RSC8 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|RSC COMPLEX 0.0193287062645472 0.26296160450416 982 Component of the RSC chromatin remodeling complex; essential for viability and mitotic growth; homolog of SWI/SNF subunit Swi3p, but unlike Swi3p, does not activate transcription of reporters ATP-dependent chromatin remodeling|double-strand break repair via nonhomologous end joining|nucleosome disassembly|regulation of transcription, DNA-dependent|transcription elongation from RNA polymerase II promoter|G1/S transition of mitotic cell cycle DNA translocase activity|DNA binding RSC complex|nucleus YDL098C SNU23 het FT RNA PROCESSING|NUCLEUS 0.019327001566601 0.26328859163737 983 Component of U4/U6.U5 snRNP involved in mRNA splicing via spliceosome mRNA splicing, via spliceosome molecular_function U4/U6 x U5 tri-snRNP complex YAL009W SPO7 hom FF|FT CELL CYCLE|LIPID METABOLISM|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0192758340733852 0.264341038220932 984 Putative regulatory subunit of Nem1p-Spo7p phosphatase holoenzyme, regulates nuclear growth by controlling phospholipid biosynthesis, required for normal nuclear envelope morphology, premeiotic replication, and sporulation negative regulation of phospholipid biosynthetic process|nuclear envelope organization phosphoprotein phosphatase activity Nem1-Spo7 phosphatase complex|integral to membrane YDR304C CPR5 hom FT ENDOPLASMIC RETICULUM 0.0192607988168759 0.264642638693028 985 Peptidyl-prolyl cis-trans isomerase (cyclophilin) of the endoplasmic reticulum, catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; transcriptionally induced in response to unfolded proteins in the ER biological_process peptidyl-prolyl cis-trans isomerase activity endoplasmic reticulum|cytoplasm YMR072W ABF2 hom FT MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0192563398499326 0.264753277905655 986 Mitochondrial DNA-binding protein involved in mitochondrial DNA replication and recombination, member of HMG1 DNA-binding protein family; activity may be regulated by protein kinase A phosphorylation mitochondrion inheritance|mitochondrial DNA packaging|mitochondrial genome maintenance DNA binding, bending|DNA binding mitochondrial nucleoid|mitochondrial chromosome|mitochondrion YLR149C YLR149C hom 0.019243193159202 0.265079668850537 987 Protein of unknown function; overexpression causes a cell cycle delay or arrest; null mutation results in a decrease in plasma membrane electron transport; YLR149C is not an essential gene; protein abundance increases in response to DNA replication stress biological_process molecular_function cellular_component YBL018C POP8 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0192061184502915 0.266358312832896 988 Subunit of both RNase MRP and nuclear RNase P; RNase MRP cleaves pre-rRNA, while nuclear RNase P cleaves tRNA precursors to generate mature 5' ends and facilitates turnover of nuclear RNAs tRNA processing|intronic box C/D snoRNA processing|mRNA cleavage|rRNA processing ribonuclease MRP activity|ribonuclease P activity nucleolar ribonuclease P complex|ribonuclease MRP complex YBR082C UBC4 hom FT PROTEOLYSIS 0.0191682842192238 0.266944709141124 989 Ubiquitin-conjugating enzyme (E2); mediates degradation of abnormal or excess proteins, including calmodulin and histone H3; interacts with many SCF ubiquitin protein ligases; component of the cellular stress response; UBC4 has a paralog, UBC5, that arose from the whole genome duplication ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|protein monoubiquitination|protein polyubiquitination|protein ubiquitination|response to stress ubiquitin binding|ubiquitin-protein ligase activity proteasome complex YPL023C MET12 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.0191530002046182 0.267326347274321 990 Protein with methylenetetrahydrofolate reductase (MTHFR) activity in vitro; null mutant has no phenotype and is prototrophic for methionine; MET13 encodes major isozyme of MTHFR biological_process methylenetetrahydrofolate reductase (NADPH) activity cellular_component YJL111W CCT7 het FF 0.019152868820927 0.267329629517864 991 Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo; mutant has increased aneuploidy tolerance protein folding unfolded protein binding chaperonin-containing T-complex|cytoplasm YKR040C_d YKR040C hom 0.0191341965530763 0.267796384100277 992 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YKR041W Unknown Unknown Unknown YLR294C_d YLR294C hom 0.0191147421571487 0.268283284874175 993 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene ATP14 Unknown Unknown Unknown YLL018C DPS1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|NUCLEUS 0.0190682974626407 0.269662452285518 994 Aspartyl-tRNA synthetase, primarily cytoplasmic; homodimeric enzyme that catalyzes the specific aspartylation of tRNA(Asp); class II aminoacyl tRNA synthetase; binding to its own mRNA may confer autoregulation cytoplasmic translation|aspartyl-tRNA aminoacylation RNA binding|aspartate-tRNA ligase activity nucleus|cytoplasm YJL067W_d YJL067W hom 0.0190639866743757 0.269842240986079 995 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGL253W HXK2 hom FT CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS|MITOCHONDRION 0.0190620936615368 0.269604008128757 996 Hexokinase isoenzyme 2; catalyzes phosphorylation of glucose in the cytosol; predominant hexokinase during growth on glucose; functions in the nucleus to repress expression of HXK1 and GLK1 and to induce expression of its own gene; phosphorylation/dephosphorylation at serine-14 by protein kinase Snf1p and protein phosphatase Glc7p-Reg1p regulates nucleocytoplasmic shuttling of Hxk2p; HXK2 has a paralog, HXK1, that arose from the whole genome duplication replicative cell aging|fructose import|regulation of transcription by glucose|glucose import|mannose metabolic process|glycolysis|glucose metabolic process|regulation of cell size|fructose metabolic process hexokinase activity cytosol|mitochondrion|nucleus YKR017C HEL1 hom 0.019029417879638 0.270425941148967 997 RING finger ubiquitin ligase (E3); involved in ubiquitylation and degradation of excess histones; interacts with Ubc4p and Rad53p; null mutant sensitive to hydroxyurea (HU) biological_process molecular_function cellular_component YPR030W CSR2 hom FT VESICLE-MEDIATED TRANSPORT|TRANSCRIPTION FROM RNA POL II|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|NUCLEUS 0.0189880398234514 0.271469234675502 998 Nuclear ubiquitin protein ligase binding protein; may regulate utilization of nonfermentable carbon sources and endocytosis of plasma membrane proteins; overproduction suppresses chs5 spa2 lethality at high temp; ubiquitinated by Rsp5p, deubiquitinated by Ubp2p; CSR2 has a paralog, ECM21, that arose from the whole genome duplication fungal-type cell wall organization|regulation of transcription from RNA polymerase II promoter|ubiquitin-dependent endocytosis ubiquitin protein ligase binding nucleus YMR320W_d YMR320W hom 0.0189855168054394 0.271532938285179 999 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YAL022C FUN26 hom 0.0189819353392478 0.271623384195583 1000 Vacuolar membrane transporter with broad nucleoside selectivity; may regulate balance of nicotinamide riboside (NmR) levels between cytosol and vacuole, contributing to salvage of NmR for use in cytosolic NAD+ synthesis nucleoside transport|nicotinamide riboside transport|transmembrane transport nicotinamide riboside transporter activity|nucleoside transmembrane transporter activity fungal-type vacuole membrane|integral to membrane|intracellular|membrane YGL108C YGL108C hom 0.018967582349289 0.272272164847103 1001 Protein of unknown function, predicted to be palmitoylated; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery; protein abundance increases in response to DNA replication stress biological_process molecular_function cellular_component YKL169C_d YKL169C hom 0.0189668477105137 0.272720607185822 1002 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene MRPL38 Unknown Unknown Unknown YER131W RPS26B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0189667535865108 0.272007011306885 1003 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S26, no bacterial homolog; RPS26B has a paralog, RPS26A, that arose from the whole genome duplication cytoplasmic translation|rRNA export from nucleus structural constituent of ribosome cytosolic small ribosomal subunit YJR094W-A RPL43B hom FT TRANSLATION|RIBOSOME 0.0189614445440598 0.272141252745281 1004 Ribosomal 60S subunit protein L43B; homologous to mammalian ribosomal protein L37A, no bacterial homolog; RPL43B has a paralog, RPL43A, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YHR049W FSH1 hom FT NUCLEUS 0.0189494775292506 0.272444010120272 1005 Putative serine hydrolase that localizes to both the nucleus and cytoplasm; sequence is similar to S. cerevisiae Fsh2p and Fsh3p and the human candidate tumor suppressor OVCA2 biological_process hydrolase activity nucleus|cytoplasm YLR272C YCS4 het FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0189316465825052 0.272895548243734 1006 Subunit of the condensin complex; required for establishment and maintenance of chromosome condensation, chromosome segregation, chromatin binding of condensin, tRNA gene clustering at the nucleolus, and silencing at the mating type locus; required for replication slow zone (RSZ) breakage following Mec1p inactivation maintenance of rDNA|meiotic chromosome condensation|mitotic chromosome condensation|tRNA gene clustering|mitotic sister chromatid segregation|chromatin silencing at silent mating-type cassette molecular_function nucleolus|nuclear condensin complex YDL045W-A MRP10 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0189254045789424 0.273411589141927 1007 Mitochondrial ribosomal protein of the small subunit; contains twin cysteine-x9-cysteine motifs mitochondrial translation|mitochondrial respiratory chain complex assembly structural constituent of ribosome mitochondrial small ribosomal subunit YNL202W SPS19 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS 0.0189158949863248 0.273294855803806 1008 Peroxisomal 2,4-dienoyl-CoA reductase, auxiliary enzyme of fatty acid beta-oxidation; homodimeric enzyme required for growth and sporulation on petroselineate medium; expression induced during late sporulation and in the presence of oleate fatty acid catabolic process|ascospore formation 2,4-dienoyl-CoA reductase (NADPH) activity peroxisomal matrix YGL236C MTO1 hom FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.018909193427377 0.273464863309632 1009 Mitochondrial protein, forms a heterodimer complex with Mss1p that performs the 5-carboxymethylaminomethyl modification of the wobble uridine base in mitochondrial tRNAs; required for respiration in paromomycin-resistant 15S rRNA mutants mitochondrial tRNA wobble uridine modification molecular_function mitochondrion YMR003W AIM34 hom FT MITOCHONDRION 0.0188970765417485 0.273772432158237 1010 Protein of unknown function; GFP-fusion protein localizes to the mitochondria; null mutant is viable and displays reduced frequency of mitochondrial genome loss biological_process molecular_function mitochondrion YLL063C AYT1 hom 0.0188431443778086 0.275144284998337 1011 Acetyltransferase; catalyzes trichothecene 3-O-acetylation, suggesting a possible role in trichothecene biosynthesis secondary metabolic process trichothecene 3-O-acetyltransferase activity cellular_component YBR157C ICS2 hom 0.0188228113282187 0.275662704788783 1012 Protein of unknown function; null mutation does not confer any obvious defects in growth, spore germination, viability, or carbohydrate utilization biological_process molecular_function cellular_component YKL068W NUP100 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0188194620821058 0.275748162402595 1013 FG-nucleoporin component of central core of the nuclear pore complex (NPC); contributes directly to nucleocytoplasmic transport and maintenance of the NPC permeability barrier and is involved in gene tethering at the nuclear periphery; homologous to Nup116p positive regulation of transcription, DNA-dependent|mRNA export from nucleus|NLS-bearing substrate import into nucleus|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|protein import into nucleus|protein targeting to nuclear inner membrane|mRNA export from nucleus in response to heat stress nucleocytoplasmic transporter activity|structural constituent of nuclear pore nuclear pore central transport channel|integral to membrane|nuclear pore YJR021C REC107 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0188136116362674 0.275897482657876 1014 Protein involved in early stages of meiotic recombination; involved in coordination between the initiation of recombination and the first division of meiosis; part of a complex (Rec107p-Mei4p-Rec114p) required for ds break formation reciprocal meiotic recombination molecular_function condensed nuclear chromosome YPL198W RPL7B hom FT TRANSLATION|NUCLEUS|RIBOSOME 0.0187965444120171 0.276333402419387 1015 Ribosomal 60S subunit protein L7B; contains a conserved C-terminal Nucleic acid Binding Domain (NDB2); homologous to mammalian ribosomal protein L7 and bacterial L30; RPL7B has a paralog, RPL7A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit|nucleolus|cytoplasm YLR075W RPL10 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0187862282346442 0.276597118902486 1016 Ribosomal 60S subunit protein L10; responsible for joining the 40S and 60S subunits; regulates translation initiation; similar to members of the QM gene family; homologous to mammalian ribosomal protein L10 and bacterial L16; protein abundance increases in response to DNA replication stress; mutations in the human ortholog are associated with development of T-cell acute lymphoblastic leukemia and similar changes in the yeast gene result in ribosome biogenesis defects cytoplasmic translation|translational termination|ribosomal large subunit assembly structural constituent of ribosome cytosolic large ribosomal subunit YPR072W NOT5 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0187302264197304 0.278031706972496 1017 Subunit of the CCR4-NOT complex, which is a global transcriptional regulator with roles in transcription initiation and elongation and in mRNA degradation deadenylation-independent decapping of nuclear-transcribed mRNA|positive regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter|nuclear-transcribed mRNA poly(A) tail shortening|transcription elongation from RNA polymerase II promoter|protein ubiquitination ubiquitin-protein ligase activity CCR4-NOT core complex|cytoplasm YOR211C MGM1 hom FT MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.018676285817845 0.279418272325437 1018 Mitochondrial GTPase, present in complex with Ugo1p and Fzo1p; required for mt morphology and genome maintenance; exists as long and short form with different distributions; homolog of human OPA1 involved in autosomal dominant optic atrophy mitochondrion organization|mitochondrial genome maintenance|mitochondrial fusion GTPase activity intrinsic to mitochondrial inner membrane|extrinsic to mitochondrial inner membrane|mitochondrion|mitochondrial inner boundary membrane|mitochondrial crista|mitochondrial intermembrane space YBL051C PIN4 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE 0.018602561855881 0.281320965980133 1019 Protein involved in G2/M phase progression and response to DNA damage, interacts with Rad53p; contains an RNA recognition motif, a nuclear localization signal, and several SQ/TQ cluster domains; hyperphosphorylated in response to DNA damage G2/M transition of mitotic cell cycle|DNA damage checkpoint molecular_function cytoplasm YHR139C SPS100 hom FT KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|CELL WALL ORG/BIOGENESIS 0.0185887944596986 0.281677251353732 1020 Protein required for spore wall maturation; expressed during sporulation; may be a component of the spore wall; expression also induced in cells treated with the mycotoxin patulin ascospore wall assembly molecular_function ascospore wall YML057W CMP2 hom FT SIGNALING|ION HOMEOSTASIS|ION HOMEOSTASIS 0.0185642277182366 0.282313772039063 1021 Calcineurin A; one isoform (the other is CNA1) of the catalytic subunit of calcineurin, a Ca++/calmodulin-regulated protein phosphatase which regulates Crz1p (a stress-response transcription factor), the other calcineurin subunit is CNB1 adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion|cellular ion homeostasis calcium-dependent protein serine/threonine phosphatase activity calcineurin complex|cytoplasm YML115C VAN1 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0185452840645996 0.282805264532546 1022 Component of the mannan polymerase I, which contains Van1p and Mnn9p and is involved in the first steps of mannan synthesis; mutants are vanadate-resistant protein N-linked glycosylation alpha-1,6-mannosyltransferase activity alpha-1,6-mannosyltransferase complex YLR412C-A_p YLR412C-A hom 0.0185414899066147 0.282903773473748 1023 Putative protein of unknown function biological_process molecular_function cellular_component YIL039W TED1 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0184687446218523 0.284796977857437 1024 Conserved phosphoesterase domain-containing protein that acts together with Emp24p/Erv25p in cargo exit from the ER; deletion confers sensitivity to 4-(N-(S-glutathionylacetyl)amino) phenylarsenoxide (GSAO) ER to Golgi vesicle-mediated transport molecular_function endoplasmic reticulum YGL257C MNT2 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0184594284083288 0.285040050742835 1025 Mannosyltransferase involved in adding the 4th and 5th mannose residues of O-linked glycans protein O-linked glycosylation alpha-1,3-mannosyltransferase activity cellular_component YPR078C_p YPR078C hom 0.0184002255360456 0.286875599401178 1026 Putative protein of unknown function; possible role in DNA metabolism and/or in genome stability; expression is heat-inducible biological_process molecular_function cellular_component YDR502C SAM2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM 0.018392015235022 0.286803132215827 1027 S-adenosylmethionine synthetase; catalyzes transfer of the adenosyl group of ATP to the sulfur atom of methionine; SAM2 has a paralog, SAM1, that arose from the whole genome duplication methionine metabolic process|S-adenosylmethionine biosynthetic process methionine adenosyltransferase activity cellular_component YML080W DUS1 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0183747522262806 0.287255799173326 1028 Dihydrouridine synthase, member of a widespread family of conserved proteins including Smm1p, Dus3p, and Dus4p; modifies pre-tRNA(Phe) at U17 tRNA modification tRNA dihydrouridine synthase activity nucleus YGR040W KSS1 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|NUCLEUS 0.018370485617299 0.287367751530568 1029 Mitogen-activated protein kinase (MAPK) involved in signal transduction pathways that control filamentous growth and pheromone response; the KSS1 gene is nonfunctional in S288C strains and functional in W303 strains pheromone-dependent signal transduction involved in conjugation with cellular fusion|signal transduction involved in filamentous growth|negative regulation of sequence-specific DNA binding transcription factor activity|protein phosphorylation|invasive growth in response to glucose limitation MAP kinase activity|protein kinase activity|transcription factor binding nucleus YGR156W PTI1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0183698822537111 0.287383585676399 1030 Essential protein that is a component of CPF (cleavage and polyadenylation factor); involved in 3' end formation of snoRNA and mRNA; interacts directly with Pta1p; has similarity to mammalian Cleavage-Stimulation Factor CstF-64 termination of RNA polymerase II transcription, exosome-dependent|mRNA cleavage|termination of RNA polymerase II transcription, poly(A)-coupled|mRNA polyadenylation|snoRNA 3'-end processing RNA binding mRNA cleavage and polyadenylation specificity factor complex|nucleus YGL252C RTG2 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|SIGNALING|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0183494199873515 0.287920927899507 1031 Sensor of mitochondrial dysfunction; regulates the subcellular location of Rtg1p and Rtg3p, transcriptional activators of the retrograde (RTG) and TOR pathways; Rtg2p is inhibited by the phosphorylated form of Mks1p maintenance of DNA trinucleotide repeats|regulation of transcription from RNA polymerase II promoter|Unknown|nitrogen catabolite regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter|mitochondria-nucleus signaling pathway|transcription factor import into nucleus RNA polymerase II transcription factor binding transcription factor activity SLIK (SAGA-like) complex|transcriptionally active chromatin|cytoplasm YOR014W RTS1 hom FT PROTEIN LOCALIZATION|CELL CYCLE|SIGNALING|CHROMOSOME SEGREGATION|NUCLEUS|SITE OF POLARIZED GROWTH|CHROMOSOME|CYTOSKELETON 0.018335028950987 0.288371140076054 1032 B-type regulatory subunit of protein phosphatase 2A (PP2A); Rts1p and Cdc55p are alternative regulatory subunits for PP2A catalytic subunits, Pph21p and Pph22p; PP2A-Rts1p protects cohesin when recruited by Sgo1p to the pericentromere; highly enriched at centromeres in the absence of Cdc55p; required for maintenance of septin ring organization during cytokinesis, for ring disassembly in G1 and for dephosphorylation of septin, Shs1p; homolog of the mammalian B' subunit of PP2A mitotic cell cycle spindle orientation checkpoint|cellular protein localization|meiotic sister chromatid cohesion, centromeric|protein dephosphorylation protein serine/threonine phosphatase activity nucleus|spindle pole body|condensed nuclear chromosome, centromeric region|cellular bud neck|cytoplasm YLR187W SKG3 hom FT SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0183203660509365 0.288685051668599 1033 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery, cytoplasm, bud, and bud neck; potential Cdc28p substrate; similar to Skg4p; relocalizes from bud neck to cytoplasm upon DNA replication stress; SKG3 has a paralog, CAF120, that arose from the whole genome duplication biological_process molecular_function cellular bud|cellular bud neck|cytoplasm YBL080C PET112 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0182846866641671 0.289625293440052 1034 Subunit of the trimeric GatFAB AmidoTransferase(AdT) complex; involved in the formation of Q-tRNAQ; mutation is functionally complemented by the bacterial GatB ortholog glutaminyl-tRNAGln biosynthesis via transamidation|mitochondrial translation glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity mitochondrion|glutamyl-tRNA(Gln) amidotransferase complex YNR068C_p YNR068C hom 0.01828377327984 0.289649390447613 1035 Putative protein of unknown function; exhibits homology to C-terminal end of Bul1p; expressed as a readthrough product of BSC5, the readthrough locus being termed BUL3; the BUL3 readthrough product is involved in ubiquitin-mediated sorting of plasma membrane proteins and interacts with WW domains of Rsp5p in vitro, but in a functionally different way than the non-readthrough form biological_process molecular_function cellular_component YOR100C CRC1 hom FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.0182725600520482 0.289945329051589 1036 Mitochondrial inner membrane carnitine transporter, required for carnitine-dependent transport of acetyl-CoA from peroxisomes to mitochondria during fatty acid beta-oxidation fatty acid metabolic process carnitine:acyl carnitine antiporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YGL144C ROG1 hom FT LIPID METABOLISM 0.0182635064452022 0.290184419517145 1037 Protein with putative serine active lipase domain; ROG1 has a paralog, YDL109C, that arose from the whole genome duplication cellular lipid metabolic process lipase activity cellular_component YLR306W UBC12 hom 0.0182479822336468 0.29102666337214 1038 Enzyme that mediates the conjugation of Rub1p, a ubiquitin-like protein, to other proteins; related to E2 ubiquitin-conjugating enzymes protein neddylation NEDD8 ligase activity cellular_component YIL076W SEC28 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0182262474788945 0.291169761677516 1039 Epsilon-COP subunit of the coatomer; regulates retrograde Golgi-to-ER protein traffic; stabilizes Cop1p, the alpha-COP and the coatomer complex; non-essential for cell growth; protein abundance increases in response to DNA replication stress late endosome to vacuole transport via multivesicular body sorting pathway|ER to Golgi vesicle-mediated transport|vesicle coating molecular_function endosome|COPI vesicle coat YGR057C LST7 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM 0.0182237569561758 0.291235705561743 1040 Protein possibly involved in a post-Golgi secretory pathway; required for the transport of nitrogen-regulated amino acid permease Gap1p from the Golgi to the cell surface intracellular protein transport|vesicle-mediated transport|protein transport|Golgi to plasma membrane transport protein transporter activity vesicle coat YLR376C PSY3 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0181772467967743 0.292469042275166 1041 Component of the Shu complex, which promotes error-free DNA repair; Shu complex mediates inhibition of Srs2p function; structural analysis reveals a similar DNA-binding region in both Psy3p and Csm2p and that both regions work together to form a single DNA binding site; deletion of PSY3 results in a mutator phenotype; deletion increases sensitivity to anticancer drugs oxaliplatin and cisplatin but not mitomycin C recombinational repair|error-free translesion synthesis molecular_function nucleus|Shu complex|cytoplasm YDR525W-A SNA2 hom 0.018149788822987 0.293198804781685 1042 Protein of unknown function, has similarity to Pmp3p, which is involved in cation transport; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern biological_process molecular_function fungal-type vacuole membrane|integral to membrane|cytoplasm YDL207W GLE1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION|NUCLEAR PORE 0.0181320196828712 0.293671713405451 1043 Cytoplasmic nucleoporin required for polyadenylated RNA export; not essential for protein import; contains a nuclear export signal; when bound to inositol hexakisphosphate (IP6), functions as an activator for the Dbp5p ATPase activity at the nuclear pore complex during mRNA export poly(A)+ mRNA export from nucleus|mRNA export from nucleus|regulation of translational initiation|regulation of translational termination translation initiation factor binding|inositol hexakisphosphate binding|phospholipid binding|enzyme activator activity mitochondrion|integral to membrane|nuclear pore cytoplasmic filaments|nuclear pore|cytoplasm YML106W URA5 hom FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0181239214179019 0.293887410530049 1044 Major orotate phosphoribosyltransferase (OPRTase) isozyme; catalyzes the fifth enzymatic step in de novo biosynthesis of pyrimidines, converting orotate into orotidine-5'-phosphate; URA5 has a paralog, URA10, that arose from the whole genome duplication 'de novo' pyrimidine nucleobase biosynthetic process|pyrimidine ribonucleoside biosynthetic process orotate phosphoribosyltransferase activity nucleus|cytoplasm YNL106C INP52 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0180783330262261 0.295463908999136 1045 Polyphosphatidylinositol phosphatase, dephosphorylates a number of phosphatidylinositols (PIs) to PI; involved in endocytosis; hyperosmotic stress causes translocation to actin patches; synaptojanin-like protein with a Sac1 domain phosphatidylinositol dephosphorylation phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity|phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity|phosphatidylinositol-3-phosphatase activity|phosphatidylinositol-4-phosphate phosphatase activity mating projection tip|cytoplasm|actin cortical patch YJR053W BFA1 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON 0.0180508231819586 0.295839185907754 1046 Component of the GTPase-activating Bfa1p-Bub2p complex involved in multiple cell cycle checkpoint pathways that control exit from mitosis regulation of exit from mitosis|mitotic cell cycle spindle orientation checkpoint GTPase activator activity spindle pole body YML079W_p YML079W hom FT NUCLEUS 0.0180456406792028 0.298949308185272 1047 Non-essential protein of unknown function with structural resemblance to plant storage and ligand binding proteins (canavalin, glycinin, auxin binding protein) and to some enzymes (epimerase, germin); localizes to the nucleus and cytoplasm biological_process molecular_function nucleus|cytoplasm YCL026C-A FRM2 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.018043790056271 0.297327276473915 1048 Type II nitroreductase, using NADH as reductant; mutants are defective in fatty acid mediated repression of genes involved in fatty acid biosynthesis indicative of a role in lipid signaling; involved in the oxidative stress response; transcription induction by cadmium and selenite indicates a possible role in the metal stress response; expression induced in cells treated with the mycotoxin patulin cellular response to oxidative stress|negative regulation of fatty acid metabolic process oxidoreductase activity, acting on NADH or NADPH, nitrogenous group as acceptor nucleus|cytoplasm YNL315C ATP11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0180219583509818 0.296612280899801 1049 Molecular chaperone, required for the assembly of alpha and beta subunits into the F1 sector of mitochondrial F1F0 ATP synthase mitochondrion organization|mitochondrial proton-transporting ATP synthase complex assembly unfolded protein binding mitochondrion|mitochondrial matrix YBL105C PKC1 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|PEROXISOME ORGANIZATION|NUCLEUS|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0180027713856026 0.297487325802748 1050 Protein serine/threonine kinase essential for cell wall remodeling during growth; localized to sites of polarized growth and the mother-daughter bud neck; homolog of the alpha, beta, and gamma isoforms of mammalian protein kinase C (PKC) intracellular protein kinase cascade|regulation of nuclear-transcribed mRNA poly(A) tail shortening|fungal-type cell wall organization|signal transduction|actin filament organization|peroxisome degradation|protein phosphorylation|cytoplasmic mRNA processing body assembly protein kinase C activity site of polarized growth|cytoskeleton|nucleus|plasma membrane|cytoplasm YDR234W LYS4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0179552452777427 0.298404240958158 1051 Homoaconitase, catalyzes the conversion of homocitrate to homoisocitrate, which is a step in the lysine biosynthesis pathway lysine biosynthetic process via aminoadipic acid homoaconitate hydratase activity mitochondrion YPL164C MLH3 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0179458165359015 0.298658085207853 1052 Protein involved in DNA mismatch repair and crossing-over during meiotic recombination; forms a complex with Mlh1p; mammalian homolog is implicated mammalian microsatellite instability mismatch repair|reciprocal meiotic recombination molecular_function nucleus|MutLbeta complex YNR067C DSE4 hom FT CELL WALL ORG/BIOGENESIS|CELL DIVISION 0.0179449364094309 0.298681787665817 1053 Daughter cell-specific secreted protein with similarity to glucanases, degrades cell wall from the daughter side causing daughter to separate from mother cytokinesis, completion of separation glucan endo-1,3-beta-D-glucosidase activity fungal-type cell wall|extracellular region|cell septum YNL300W_p TOS6 hom 0.0179394428507385 0.298829761641967 1054 Glycosylphosphatidylinositol-dependent cell wall protein, expression is periodic and decreases in respone to ergosterol perturbation or upon entry into stationary phase; depletion increases resistance to lactic acid biological_process molecular_function fungal-type cell wall YNL009W IDP3 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0179354438995467 0.299153752215358 1055 Peroxisomal NADP-dependent isocitrate dehydrogenase; catalyzes oxidation of isocitrate to alpha-ketoglutarate with the formation of NADP(H+), required for growth on unsaturated fatty acids; IDP3 has a paralog, IDP2, that arose from the whole genome duplication NADPH regeneration|fatty acid beta-oxidation|isocitrate metabolic process isocitrate dehydrogenase (NADP+) activity mitochondrion|peroxisome|cytoplasm YBL100W-C_p YBL100W-C hom 0.0179083751576232 0.300028079337663 1056 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YPL139C UME1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0179008818185778 0.299869814481397 1057 Negative regulator of meiosis, required for repression of a subset of meiotic genes during vegetative growth, binding of histone deacetylase Rpd3p required for activity, contains a NEE box and a WD repeat motif; homologous with Wtm1p, Wtm2p positive regulation of transcription from RNA polymerase II promoter in response to heat stress|negative regulation of transcription from RNA polymerase I promoter|negative regulation of chromatin silencing at telomere|positive regulation of transcription from RNA polymerase II promoter|regulation of meiosis transcription corepressor activity Rpd3S complex|Rpd3L-Expanded complex|nucleus|Rpd3L complex YNL288W CAF40 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0178465044221032 0.301340555637435 1058 Evolutionarily conserved subunit of the CCR4-NOT complex involved in controlling mRNA initiation, elongation and degradation; binds Cdc39p positive regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter molecular_function CCR4-NOT core complex YBR251W MRPS5 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0178406450063581 0.301499320868043 1059 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YDR492W IZH1 hom FT LIPID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0177999154567285 0.302604456523414 1060 Membrane protein involved in zinc ion homeostasis, member of the four-protein IZH family; transcription is regulated directly by Zap1p, expression induced by zinc deficiency and fatty acids; deletion increases sensitivity to elevated zinc response to zinc ion|cellular zinc ion homeostasis|cellular lipid metabolic process metal ion binding integral to membrane|endoplasmic reticulum|membrane YKL109W HAP4 hom FT TRANSCRIPTION FROM RNA POL II|OXIDATION-REDUCTION PROCESS|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0177673142577024 0.303490979606358 1061 Subunit of the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; provides the principal activation function of the complex regulation of cellular respiration|carbon catabolite activation of transcription from RNA polymerase II promoter RNA polymerase II activating transcription factor binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription|RNA polymerase II transcription factor binding transcription factor activity CCAAT-binding factor complex YDR520C_p URC2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEOTIDE METABOLISM|NUCLEUS 0.0177358170308388 0.3046377041054 1062 Putative Zn(II)2Cys6 motif containing transcription factor; non-essential gene identified in a screen for mutants with increased levels of rDNA transcription; similar to S. kluyveri Urc2p involved in uracil catabolism uracil catabolic process sequence-specific DNA binding nucleus|cytoplasm YDL048C STP4 hom FT NUCLEUS|MITOCHONDRION 0.0177293859185728 0.304524532338424 1063 Protein containing a Kruppel-type zinc-finger domain; has similarity to Stp1p, Stp2p, and Stp3p; predicted to be a transcription factor; relative distribution to the nucleus increases upon DNA replication stress biological_process sequence-specific DNA binding mitochondrion|nucleus|cytoplasm YMR204C INP1 hom FT PEROXISOME ORGANIZATION 0.0177136499539402 0.305026142259865 1064 Peripheral membrane protein of peroxisomes involved in peroxisomal inheritance; recruitment to peroxisomes is mediated by interaction with Pex3p at the peroxisomal membrane peroxisome inheritance molecular_function peroxisome|extrinsic to intraperoxisomal membrane YGR121C MEP1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0177136088207632 0.304955147603643 1065 Ammonium permease; belongs to a ubiquitous family of cytoplasmic membrane proteins that transport only ammonium (NH4+); expression is under the nitrogen catabolite repression regulation nitrogen utilization|ammonium transport ammonium transmembrane transporter activity integral to membrane|plasma membrane YCR024C SLM5 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0176921747303788 0.305540809879074 1066 Mitochondrial asparaginyl-tRNA synthetase asparaginyl-tRNA aminoacylation|mitochondrial asparaginyl-tRNA aminoacylation asparagine-tRNA ligase activity mitochondrion YBL082C ALG3 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0176543513314717 0.306576109161215 1067 Dolichol-P-Man dependent alpha(1-3) mannosyltransferase, involved in the synthesis of dolichol-linked oligosaccharide donor for N-linked glycosylation of proteins oligosaccharide-lipid intermediate biosynthetic process|protein glycosylation alpha-1,3-mannosyltransferase activity integral to membrane|endoplasmic reticulum YNR057C BIO4 hom FT KETONE METABOLISM|COFACTOR METABOLISM 0.0176222530825591 0.307456520362985 1068 Dethiobiotin synthetase, catalyzes the third step in the biotin biosynthesis pathway; BIO4 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis; expression appears to be repressed at low iron levels biotin biosynthetic process dethiobiotin synthase activity cytoplasm YLR387C REH1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RIBOSOME 0.0176177243138871 0.307797347019793 1069 Cytoplasmic 60S subunit biogenesis factor, associates with pre-60S particles; similar to Rei1p and shares partially redundant function in cytoplasmic 60S subunit maturation; contains dispersed C2H2 zinc finger domains ribosomal large subunit biogenesis|budding cell bud growth molecular_function cytosolic large ribosomal subunit|preribosome, large subunit precursor|cytoplasm YDR350C ATP22 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0176140380758493 0.307898591406291 1070 Specific translational activator for the mitochondrial ATP6 mRNA, encoding a subunit of F1F0 ATP synthase; localized to the mitochondrial inner membrane proton-transporting ATP synthase complex biogenesis|positive regulation of mitochondrial translation translation regulator activity mitochondrial inner membrane YJR109C CPA2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0176134402308873 0.307698537307676 1071 Large subunit of carbamoyl phosphate synthetase, which catalyzes a step in the synthesis of citrulline, an arginine precursor arginine biosynthetic process carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity carbamoyl-phosphate synthase complex YDL039C PRM7 hom 0.0175378687973487 0.309779039310418 1072 Pheromone-regulated protein, predicted to have one transmembrane segment; promoter contains Gcn4p binding elements conjugation with cellular fusion molecular_function integral to membrane YBR234C ARC40 het FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.017536007682046 0.309830393224274 1073 Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches mitochondrion inheritance|actin nucleation|actin filament organization ubiquitin binding Arp2/3 protein complex YDR015C_d YDR015C hom 0.0175143751082823 0.310427714996499 1074 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the verified gene HED1/YDR014W-A Unknown Unknown Unknown YDL085C-A_p YDL085C-A hom FT NUCLEUS 0.0175096818525363 0.31055740609409 1075 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus biological_process molecular_function nucleus|cytoplasm YLR072W_p YLR072W hom FT ENDOMEMBRANE SYSTEM 0.0174903449542326 0.311164282884397 1076 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern; YLR072W is not an esssential gene biological_process molecular_function cytoplasm YOL055C THI20 hom 0.0174778020407692 0.311800295198739 1077 Trifunctional enzyme of thiamine biosynthesis, degradation and salvage; has hydroxymethylpyrimidine (HMP) kinase, HMP-phosphate (HMP-P) kinase and thiaminase activities; member of a gene family with THI21 and THI22; HMP and HMP-P kinase activity redundant with Thi21p thiamine biosynthetic process|thiamine catabolic process phosphomethylpyrimidine kinase activity|thiaminase activity|hydroxymethylpyrimidine kinase activity cytosol YDL121C_p YDL121C hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0174759295926972 0.312358452609251 1078 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; YDL121C is not an essential protein biological_process molecular_function endoplasmic reticulum YHR181W SVP26 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0174616300347885 0.311887302432741 1079 Integral membrane protein of the early Golgi apparatus and endoplasmic reticulum, involved in COP II vesicle transport; may also function to promote retention of proteins in the early Golgi compartment protein retention in Golgi apparatus|fungal-type cell wall organization|protein glycosylation|ER to Golgi vesicle-mediated transport COPII adaptor activity integral to endoplasmic reticulum membrane|integral to membrane|endoplasmic reticulum|integral to Golgi membrane|ER to Golgi transport vesicle YCR063W BUD31 hom FT CELL CYCLE|RNA PROCESSING|CELL DIVISION|NUCLEUS 0.0174403199234443 0.312478286642139 1080 Component of the SF3b subcomplex of the U2 snRNP; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern; facilitates passage through G1/S Start, but is not required for G2/M transition or exit from mitosis RNA splicing|mRNA splicing, via spliceosome|cellular bud site selection molecular_function U2 snRNP|nucleus YJL076W NET1 het FT CELL CYCLE|CELL DIVISION|GENE SILENCING|NUCLEUS 0.0174380406126166 0.312541541420454 1081 Core subunit of the RENT complex; involved in nucleolar silencing and telophase exit; stimulates transcription by RNA polymerase I and regulates nucleolar structure; NET1 has a paralog, TOF2, that arose from the whole genome duplication regulation of exit from mitosis|nucleolus organization|chromatin silencing at rDNA rDNA binding nucleolus|RENT complex YCL011C GBP2 hom FT RNA LOCALIZATION|NUCLEUS|CHROMOSOME 0.0174253233691974 0.31311116509867 1082 Poly(A+) RNA-binding protein; involved in the export of mRNAs from the nucleus to the cytoplasm; similar to Npl3p; also binds single-stranded telomeric repeat sequence in vitro; GBP2 has a paralog, HRB1, that arose from the whole genome duplication poly(A)+ mRNA export from nucleus|telomere maintenance RNA binding|telomeric DNA binding nucleus|cytoplasmic stress granule YNR012W URK1 hom FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0173970110467113 0.313681623919199 1083 Uridine/cytidine kinase, component of the pyrimidine ribonucleotide salvage pathway that converts uridine into UMP and cytidine into CMP; involved in the pyrimidine deoxyribonucleotide salvage pathway, converting deoxycytidine into dCMP pyrimidine-containing compound salvage uridine kinase activity nucleus|cytoplasm YDR357C_p CNL1 hom 0.0172937579270356 0.316634956634478 1084 Protein of unknown function; likely member of BLOC complex involved in endosomal cargo sorting; null mutant is sensitive to drug inducing secretion of vacuolar cargo; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm biological_process molecular_function BLOC-1 complex|cytoplasm YBR114W RAD16 hom FT RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0172814903465236 0.31690625495279 1085 Protein that recognizes and binds damaged DNA in an ATP-dependent manner (with Rad7p) during nucleotide excision repair; subunit of Nucleotide Excision Repair Factor 4 (NEF4) and the Elongin-Cullin-Socs (ECS) ligase complex nucleotide-excision repair, DNA damage recognition|protein ubiquitination involved in ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity|damaged DNA binding|DNA-dependent ATPase activity nucleotide-excision repair factor 4 complex|Cul3-RING ubiquitin ligase complex YHL021C AIM17 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0172662236029848 0.317550590114801 1086 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; null mutant displays reduced frequency of mitochondrial genome loss biological_process molecular_function mitochondrion YIL054W_p YIL054W hom 0.0172230772547539 0.318545035297987 1087 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YHR104W GRE3 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0171979397835126 0.319251971742214 1088 Aldose reductase; involved in methylglyoxal, d-xylose, arabinose, and galactose metabolism; stress induced (osmotic, ionic, oxidative, heat shock, starvation and heavy metals); regulated by the HOG pathway; protein abundance increases in response to DNA replication stress galactose catabolic process|cellular response to oxidative stress|arabinose catabolic process|D-xylose catabolic process|response to stress D-xylose:NADP reductase activity|mRNA binding|glucose 1-dehydrogenase (NADP+) activity|alditol:NADP+ 1-oxidoreductase activity nucleus|cytoplasm YIL121W QDR2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.017191198168518 0.319441739321906 1089 Plasma membrane transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; exports copper; has broad substrate specificity and can transport many mono- and divalent cations; transports a variety of drugs and is required for resistance to quinidine, barban, cisplatin, and bleomycin; contributes to potassium homeostasis; expression is regulated by copper drug transmembrane transport|potassium ion import drug transmembrane transporter activity integral to membrane|integral to plasma membrane YOL047C_p YOL047C hom 0.0171844239370683 0.319632499305923 1090 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern biological_process molecular_function integral to membrane|cytoplasm YOR124C UBP2 hom FT PROTEOLYSIS 0.0171718436843118 0.31998695238499 1091 Ubiquitin-specific protease that removes ubiquitin from ubiquitinated proteins; interacts with Rsp5p and is required for MVB sorting of membrane proteins; can cleave polyubiquitin and has isopeptidase activity protein deubiquitination|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway ubiquitin-specific protease activity cytoplasm YOR051C ETT1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|NUCLEUS 0.0171712444744145 0.320003841744186 1092 Nuclear protein that inhibits replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying replication of positive-strand RNA viruses in their natural hosts; deletion increases stop codon readthrough translational termination molecular_function nucleus YOL138C RTC1 hom 0.0171627563276384 0.320243151649026 1093 Subunit of the SEA (Seh1-associated) complex, a coatomer-related complex that associates dynamically with the vacuole; null mutation suppresses cdc13-1 temperature sensitivity; has N-terminal WD-40 repeats and a C-terminal RING motif biological_process molecular_function ribosome|fungal-type vacuole|Seh1-associated complex|extrinsic to fungal-type vacuolar membrane YMR222C FSH2 hom 0.0171601784343599 0.320315854429654 1094 Putative serine hydrolase that localizes to the cytoplasm; sequence is similar to S. cerevisiae Fsh1p and Fsh3p and the human candidate tumor suppressor OVCA2 biological_process molecular_function cytoplasm YFR031C SMC2 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0171568350166123 0.320482325325357 1095 Subunit of the condensin complex; essential SMC chromosomal ATPase family member that forms a complex with Smc4p to form the active ATPase; Smc2p/Smc4p complex binds DNA; required for clustering of tRNA genes at the nucleolus mitotic chromosome condensation|mitotic sister chromatid segregation|tRNA gene clustering double-stranded DNA binding|ATPase activity|AT DNA binding|DNA secondary structure binding mitochondrion|nuclear condensin complex YLR307C-A_p YLR307C-A hom 0.0171301587759311 0.32152429256163 1096 Putative protein of unknown function biological_process molecular_function cellular_component YNL289W PCL1 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0171137738550299 0.321915185919169 1097 Cyclin, interacts with cyclin-dependent kinase Pho85p; member of the Pcl1,2-like subfamily, involved in the regulation of polarized growth and morphogenesis and progression through the cell cycle; is ubiquitinated by Dma1p; phosphorylation by Pho85p targets it for degradation; localizes to sites of polarized cell growth regulation of establishment or maintenance of cell polarity|G1 phase of mitotic cell cycle|regulation of cyclin-dependent protein kinase activity|septin ring organization|positive regulation of macroautophagy cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex|incipient cellular bud site|nucleus YOR120W GCY1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.017103833698218 0.321907605120282 1098 Glycerol dehydrogenase;involved in an alternative pathway for glycerol catabolism used under microaerobic conditions; also has mRNA binding activity; member of the aldo-keto reductase (AKR) family; protein abundance increases in response to DNA replication stress; GCY1 has a paralog, YPR1, that arose from the whole genome duplication cellular response to oxidative stress|arabinose catabolic process|D-xylose catabolic process oxidoreductase activity|mRNA binding|alditol:NADP+ 1-oxidoreductase activity|aldo-keto reductase (NADP) activity nucleus|cytoplasm YPR116W RRG8 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0170767556552877 0.322890931824029 1099 Putative protein of unknown function, required for mitochondrial genome maintenance; null mutation results in a decrease in plasma membrane electron transport mitochondrial genome maintenance molecular_function mitochondrion YDR067C_p OCA6 hom 0.0170552697482234 0.323283680713025 1100 Cytoplasmic protein required for replication of Brome mosaic virus in S. cerevisiae, which is a model system for studying positive-strand RNA virus replication; null mutation confers sensitivity to tunicamycin and DTT biological_process molecular_function cytoplasm YOL081W IRA2 hom FT SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.0170546277510833 0.323374051881737 1101 GTPase-activating protein; negatively regulates RAS by converting it from the GTP- to the GDP-bound inactive form, required for reducing cAMP levels under nutrient limiting conditions; similar to human neurofibromin; IRA2 has a paralog, IRA1, that arose from the whole genome duplication negative regulation of cAMP biosynthetic process|negative regulation of Ras protein signal transduction|positive regulation of Ras GTPase activity|response to stress Ras GTPase activator activity mitochondrion|integral to membrane|cytoplasm YHR132C ECM14 hom FT CELL WALL ORG/BIOGENESIS|PROTEOLYSIS 0.017038949162307 0.323746989075577 1102 Putative metalloprotease with similarity to the zinc carboxypeptidase family, required for normal cell wall assembly fungal-type cell wall organization|proteolysis metalloendopeptidase activity fungal-type vacuole YBL071C-B_p YBL071C-B hom 0.0170266349894207 0.324169000796257 1103 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YDL033C SLM3 hom FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0170235167895748 0.32461870407645 1104 tRNA-specific 2-thiouridylase, responsible for 2-thiolation of the wobble base of mitochondrial tRNAs; human ortholog is implicated in myoclonus epilepsy associated with ragged red fibers (MERRF) mitochondrial tRNA thio-modification tRNA (5-methylaminomethyl-2-thiouridylate)-methyltransferase activity mitochondrion YOR286W RDL2 hom FT MITOCHONDRION 0.0169819158542829 0.3253694431955 1105 Protein with rhodanese activity; contains a rhodanese-like domain similar to Rdl1p, Uba4p, Tum1p, and Ych1p; overexpression causes a cell cycle delay; null mutant displays elevated frequency of mitochondrial genome loss biological_process thiosulfate sulfurtransferase activity mitochondrion YGR162W TIF4631 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION|RIBOSOME 0.0169789948518338 0.325452680436157 1106 Translation initiation factor eIF4G; subunit of the mRNA cap-binding protein complex (eIF4F) that also contains eIF4E (Cdc33p); interacts with Pab1p and with eIF4A (Tif1p); also has a role in biogenesis of the large ribosomal subunit; TIF4631 has a paralog, TIF4632, that arose from the whole genome duplication translational initiation|ribosomal large subunit biogenesis|stress granule assembly translation initiation factor activity mitochondrion|ribosome|eukaryotic translation initiation factor 4F complex|cytoplasmic stress granule YOL068C HST1 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0169617425522442 0.325944586388506 1107 NAD(+)-dependent histone deacetylase; essential subunit of the Sum1p/Rfm1p/Hst1p complex required for ORC-dependent silencing and mitotic repression; non-essential subunit of the Set3C deacetylase complex; involved in telomere maintenance chromatin silencing|negative regulation of mitotic recombination|histone deacetylation NAD-independent histone deacetylase activity|NAD-dependent histone deacetylase activity Set3 complex YOL118C_d YOL118C hom 0.0169302852546763 0.327059231186722 1108 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDR078C SHU2 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0169150272905971 0.328001278611376 1109 Component of the Shu complex, which promotes error-free DNA repair; Shu complex mediates inhibition of Srs2p function recombinational repair|maintenance of rDNA|error-free translesion synthesis molecular_function Shu complex YLR334C_d YLR334C hom 0.0169048307108212 0.327570708221773 1110 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps a stand-alone long terminal repeat sequence whose presence indicates a retrotransposition event occurred here Unknown Unknown Unknown YLR214W FRE1 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.0168846260590471 0.328149272342464 1111 Ferric reductase and cupric reductase, reduces siderophore-bound iron and oxidized copper prior to uptake by transporters; expression induced by low copper and iron levels iron ion transport|copper ion import ferric-chelate reductase activity integral to membrane|plasma membrane YPL249C GYP5 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|NUCLEOTIDE METABOLISM|GOLGI APPARATUS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.016877407239427 0.32864478411399 1112 GTPase-activating protein (GAP) for yeast Rab family members; involved in ER to Golgi trafficking; exhibits GAP activity toward Ypt1p that is stimulated by Gyl1p, also acts on Sec4p; interacts with Gyl1p, Rvs161p and Rvs167p; involved in recruiting Rvs167p to the bud tip during polarized growth; relocalizes from bud neck to cytoplasm upon DNA replication stress vesicle-mediated transport|ER to Golgi vesicle-mediated transport Rab GTPase activator activity cytosol|incipient cellular bud site|plasma membrane|cellular bud neck|Golgi-associated vesicle|cellular bud tip YHR022C_p YHR022C hom FT SIGNALING 0.0168622072392417 0.328792014588251 1113 Putative protein of unknown function; YHR022C is not an essential gene biological_process molecular_function cellular_component YKR026C GCN3 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0168278578108569 0.329778385913977 1114 Alpha subunit of the translation initiation factor eIF2B, the guanine-nucleotide exchange factor for eIF2; activity subsequently regulated by phosphorylated eIF2; first identified as a positive regulator of GCN4 expression regulation of translational initiation enzyme regulator activity|guanyl-nucleotide exchange factor activity|translation initiation factor activity eukaryotic translation initiation factor 2B complex|guanyl-nucleotide exchange factor complex YPR122W AXL1 hom FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|SITE OF POLARIZED GROWTH 0.0168262569448495 0.329824402732713 1115 Haploid specific endoprotease that performs one of two N-terminal cleavages during maturation of a-factor mating pheromone; required for axial budding pattern of haploid cells peptide pheromone maturation|axial cellular bud site selection metalloendopeptidase activity mating projection tip|cellular bud neck YGL164C YRB30 hom FT PROTEIN LOCALIZATION|NUCLEUS 0.0168257413178711 0.329839225291116 1116 RanGTP-binding protein, inhibits RanGAP1 (Rna1p)-mediated GTP hydrolysis of RanGTP (Gsp1p); shares similarity to proteins in other fungi but not in higher eukaryotes biological_process GTPase regulator activity nucleus|cytoplasm YHR139C-A_d YHR139C-A hom 0.0168253610118061 0.329850158100219 1117 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YAL049C AIM2 hom 0.0168040801825209 0.330462300317529 1118 Cytoplasmic protein involved in mitochondrial function or organization; null mutant displays reduced frequency of mitochondrial genome loss; potential Hsp82p interactor biological_process molecular_function cytoplasm YER014C-A BUD25 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION 0.0167805972197349 0.331138639161096 1119 Protein involved in bud-site selection; diploid mutants display a random budding pattern instead of the wild-type bipolar pattern cellular bud site selection molecular_function cellular_component YGL194C HOS2 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|SIGNALING|NUCLEUS|CHROMOSOME 0.0167693664803414 0.331462414666133 1120 Histone deacetylase and subunit of Set3 and Rpd3L complexes; required for gene activation via specific deacetylation of lysines in H3 and H4 histone tails; subunit of the Set3 complex, a meiotic-specific repressor of sporulation specific genes that contains deacetylase activity; co-localizes with Cmr1p in nuclear foci in response to DNA damage by MMS negative regulation of meiosis|chromatin organization|regulation of transcription, DNA-dependent|positive regulation of stress-activated MAPK cascade|histone deacetylation NAD-independent histone deacetylase activity|NAD-dependent histone deacetylase activity Rpd3L-Expanded complex|Set3 complex YGR180C RNR4 hom FT OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0167646358511949 0.331959583265375 1121 Ribonucleotide-diphosphate reductase (RNR) small subunit; the RNR complex catalyzes the rate-limiting step in dNTP synthesis and is regulated by DNA replication and DNA damage checkpoint pathways via localization of the small subunits; relocalizes from nucleus to cytoplasm upon DNA replication stress cofactor biosynthetic process|deoxyribonucleotide biosynthetic process ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor ribonucleoside-diphosphate reductase complex|nucleus|cytoplasm YOR223W YOR223W hom FT ENDOPLASMIC RETICULUM 0.0167465699320887 0.332120254420809 1122 Subunit of the DSC ubiquitin ligase complex; protein of unknown function that localizes to the ER and vacuole lumen; overexpression affects endocytic protein trafficking; ortholog of fission yeast dsc3 biological_process molecular_function fungal-type vacuole lumen|endoplasmic reticulum YPL062W_d YPL062W hom 0.0166629619405398 0.33482856830205 1123 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YPL062W is not an essential gene; homozygous diploid mutant shows a decrease in glycogen accumulation Unknown Unknown Unknown YCR075W-A_p YCR075W-A hom 0.0166472722761986 0.334995513336644 1124 Putative protein of unknown function; identified by homology to Ashbya gossypii; YCR075W-A has a paralog, YNR034W-A, that arose from the whole genome duplication biological_process molecular_function cellular_component YLR097C HRT3 hom FT PROTEOLYSIS|UBIQUITIN LIGASE COMPLEX 0.0166239482656247 0.335673200354237 1125 Putative SCF-ubiquitin ligase F-box protein, based on both genetic and physical interactions and sequence similarity; identified in association with Cdc53p, Skp1p and Ubi4 in large and small-scale studies SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|cellular response to methylmercury ubiquitin-protein ligase activity|protein binding, bridging SCF ubiquitin ligase complex YOR052C YOR052C hom FT NUCLEUS 0.016620327031455 0.335778495603734 1126 Nuclear protein of unknown function; expression induced by nitrogen limitation in a GLN3, GAT1-independent manner and by weak acid; transcriptionally regulated by Rpn4p along with proteasome subunit genes; putative ortholog of human AIRAP, which stimulates proteasome activity in response to arsenic; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus YOR304W ISW2 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS 0.016598882614782 0.33640247412292 1127 ATP-dependent DNA translocase involved in chromatin remodeling; ATPase component that, with Itc1p, forms a complex required for repression of a-specific genes, INO1, and early meiotic genes during mitotic growth negative regulation of transcription from RNA polymerase II promoter by pheromones|nucleosome positioning|termination of RNA polymerase II transcription|negative regulation of antisense RNA transcription|chromatin silencing at rDNA|chromatin remodeling|chromatin silencing at telomere single-stranded DNA binding|DNA translocase activity chromatin accessibility complex|nucleus YGR033C TIM21 hom FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0165798204814862 0.336957759779138 1128 Nonessential subunit of the Translocase of the Inner Mitochondrial membrane (TIM23 complex); interacts with the Translocase of the Outer Mitochondrial membrane (TOM complex) and with respiratory enzymes; may regulate TIM23 complex activity protein import into mitochondrial matrix molecular_function mitochondrion|mitochondrial inner membrane presequence translocase complex YJL023C PET130 hom FT MITOCHONDRION 0.0165622950901973 0.337468799137683 1129 Protein required for respiratory growth; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YDR197W CBS2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0165594143394304 0.337552849277125 1130 Mitochondrial translational activator of the COB mRNA; interacts with translating ribosomes, acts on the COB mRNA 5'-untranslated leader mitochondrial respiratory chain complex III biogenesis|positive regulation of mitochondrial translation translation regulator activity mitochondrion|extrinsic to mitochondrial inner membrane|mitochondrial ribosome YOR130C ORT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0165493719001302 0.338206356674546 1131 Ornithine transporter of the mitochondrial inner membrane, exports ornithine from mitochondria as part of arginine biosynthesis; human ortholog is associated with hyperammonaemia-hyperornithinaemia-homocitrullinuria (HHH) syndrome arginine biosynthetic process|mitochondrial ornithine transport L-ornithine transmembrane transporter activity mitochondrial envelope|integral to membrane YPR057W BRR1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.016536576427033 0.338219654720827 1132 snRNP protein component of spliceosomal snRNPs, required for pre-mRNA splicing and snRNP biogenesis; in null mutant newly-synthesized snRNAs are destabilized and 3'-end processing is slowed spliceosomal complex assembly RNA binding small nuclear ribonucleoprotein complex YKL186C MTR2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0165301998492342 0.338405984481477 1133 mRNA transport regulator, essential nuclear protein; Mex67p and Mtr2p form a mRNA export complex which binds to RNA poly(A)+ mRNA export from nucleus|ribosomal large subunit export from nucleus protein binding integral to membrane|nuclear RNA export factor complex|nuclear pore YNL137C NAM9 het FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0165177061121157 0.338771254489663 1134 Mitochondrial ribosomal component of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YGR245C SDA1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RIBOSOME BIOGENESIS|CYTOSKELETON ORGANIZATION|NUCLEUS 0.0164815418791043 0.339829986055198 1135 Highly conserved nuclear protein required for actin cytoskeleton organization and passage through Start, plays a critical role in G1 events, binds Nap1p, also involved in 60S ribosome biogenesis ribosomal large subunit biogenesis|ribosomal large subunit export from nucleus|traversing start control point of mitotic cell cycle|actin cytoskeleton organization molecular_function nucleus YLL024C SSA2 hom FT PROTEIN LOCALIZATION|MITOCHONDRION 0.0164785799361962 0.339988804941079 1136 ATP binding protein involved in protein folding and vacuolar import of proteins; member of heat shock protein 70 (HSP70) family; associated with the chaperonin-containing T-complex; present in the cytoplasm, vacuolar membrane and cell wall; 98% identical with paralog Ssa1p, but subtle differences between the two proteins provide functional specificity with respect to propagation of yeast [URE3] prions and vacuolar-mediated degradations of gluconeogenesis enzymes protein folding|SRP-dependent cotranslational protein targeting to membrane, translocation|response to stress unfolded protein binding|ATPase activity|ATP binding cytosol|fungal-type vacuole membrane|mitochondrion|fungal-type cell wall|plasma membrane|polysome|chaperonin-containing T-complex|cytoplasm YPL240C HSP82 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION 0.0164764429962495 0.340339691792153 1137 Hsp90 chaperone; redundant in function with Hsc82p; required for pheromone signaling, negative regulation of Hsf1p; docks with Tom70p for mitochondrial preprotein delivery; promotes telomerase DNA binding, nucleotide addition; protein abundance increases in response to DNA replication stress; contains two acid-rich unstructured regions that promote solubility of chaperone-substrate complexes; HSP82 has a paralog, HSC82, that arose from the whole genome duplication proteasome assembly|positive regulation of telomere maintenance via telomerase|box C/D snoRNP assembly|response to stress|protein refolding|protein targeting to mitochondrion|response to osmotic stress|'de novo' protein folding unfolded protein binding|ATPase activity, coupled cytoplasm YKL039W PTM1 hom FT ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0164693379737483 0.340187741340929 1138 Protein of unknown function; copurifies with late Golgi vesicles containing the v-SNARE Tlg2p; PTM1 has a paralog, YHL017W, that arose from the whole genome duplication biological_process molecular_function integral to membrane YJR003C_p YJR003C hom FT MITOCHONDRION 0.0164514938897491 0.340783273024213 1139 Putative protein of unknown function; detected in highly purified mitochondria in high-throughput studies; predicted to be involved in ribosome biogenesis biological_process molecular_function mitochondrion YMR093W UTP15 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|CHROMOSOME 0.0164225652066521 0.342354121104596 1140 Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA positive regulation of transcription from RNA polymerase I promoter|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) snoRNA binding small-subunit processome|rDNA heterochromatin|nucleolus|t-UTP complex|90S preribosome YJL110C GZF3 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0164213006040651 0.341598291031271 1141 GATA zinc finger protein; negatively regulates nitrogen catabolic gene expression by competing with Gat1p for GATA site binding; function requires a repressive carbon source; dimerizes with Dal80p and binds to Tor1p; GZF3 has a paralog, DAL80, that arose from the whole genome duplication maintenance of protein location in nucleus|nitrogen catabolite repression of transcription|negative regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding RNA polymerase II transcription factor activity|sequence-specific DNA binding nucleus YIR033W MGA2 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|LIPID METABOLISM|GENE SILENCING|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0164108573627725 0.341905436480863 1142 ER membrane protein involved in regulation of OLE1 transcription, acts with homolog Spt23p; inactive ER form dimerizes and one subunit is then activated by ubiquitin/proteasome-dependent processing followed by nuclear targeting positive regulation of transcription from RNA polymerase II promoter in response to hypoxia|cellular response to cold|positive regulation of unsaturated fatty acid biosynthetic process by positive regulation of transcription from RNA polymerase II promoter|mRNA stabilization|positive regulation of transcription from RNA polymerase II promoter in response to cobalt ion|positive regulation of transcription from RNA polymerase II promoter|chromatin silencing at silent mating-type cassette molecular_function integral to endoplasmic reticulum membrane|nucleus YNR027W BUD17 hom FT CELL CYCLE|CELL DIVISION|COFACTOR METABOLISM|NUCLEUS 0.016407860882075 0.341993598364024 1143 Putative pyridoxal kinase, a key enzyme in vitamin B6 metabolism; involved in bud-site selection; diploid mutants display a random rather than a bipolar budding pattern; similarity to yeast BUD16 and human pyridoxal kinase (PDXK) pyridoxal phosphate biosynthetic process|cellular bud site selection pyridoxal kinase activity nucleus|cytoplasm YDR051C DET1 hom FT NUCLEUS 0.0164003557836651 0.34221447572737 1144 Acid phosphatase involved in the non-vesicular transport of sterols in both directions between the endoplasmic reticulum and plasma membrane; deletion confers sensitivity to nickel intracellular sterol transport|dephosphorylation acid phosphatase activity nucleus|cytoplasm YHR070W TRM5 het FT RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.016399462642611 0.342600870170146 1145 tRNA(m(1)G37)methyltransferase, methylates a tRNA base adjacent to the anticodon that has a role in prevention of frameshifting; highly conserved across Archaea, Bacteria, and Eukarya tRNA methylation tRNA (guanine) methyltransferase activity nucleus|mitochondrial matrix|cytoplasm YLR392C ART10 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0163894863024138 0.342534529557574 1146 Protein of unknown function that contains 2 PY motifs and is ubiquinated by Rsp5p; overexpression confers resistance to arsenite; green fluorescent protein (GFP)-fusion protein localizes it to the cytoplasm; non-essential gene biological_process molecular_function cytoplasm YBR213W MET8 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM 0.016378386850633 0.343221608979903 1147 Bifunctional dehydrogenase and ferrochelatase, involved in the biosynthesis of siroheme, a prosthetic group used by sulfite reductase; required for sulfate assimilation and methionine biosynthesis siroheme biosynthetic process|sulfate assimilation precorrin-2 dehydrogenase activity|ferrochelatase activity cellular_component YGR247W CPD1 hom FT NUCLEOTIDE METABOLISM|GOLGI APPARATUS 0.0163634406390087 0.3433022268845 1148 Cyclic nucleotide phosphodiesterase; hydrolyzes ADP-ribose 1'', 2''-cyclic phosphate to ADP-ribose 1''-phosphate; may have a role in tRNA splicing; no detectable phenotype is conferred by null mutation or by overexpression; protein abundance increases in response to DNA replication stress cyclic nucleotide metabolic process 2',3'-cyclic-nucleotide 3'-phosphodiesterase activity clathrin-coated vesicle YNL170W_d YNL170W hom 0.0163423080293742 0.343925918420158 1149 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YKL165C MCD4 het FF|FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0163389951411345 0.344023757970576 1150 Protein involved in glycosylphosphatidylinositol (GPI) anchor synthesis; multimembrane-spanning protein that localizes to the endoplasmic reticulum; highly conserved among eukaryotes GPI anchor biosynthetic process|ATP transport mannose-ethanolamine phosphotransferase activity integral to membrane|fungal-type cell wall|endoplasmic reticulum|fungal-type vacuole YMR163C INP2 hom FT PEROXISOME ORGANIZATION 0.0163370847863792 0.344152136446131 1151 Peroxisome-specific receptor important for peroxisome inheritance; co-fractionates with peroxisome membranes and co-localizes with peroxisomes in vivo; physically interacts with the myosin V motor Myo2p; INP2 is not an essential gene peroxisome inheritance protein anchor peroxisome|integral to peroxisomal membrane|cytoplasm YPL196W OXR1 hom FT RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0163262379824415 0.344400681076603 1152 Protein of unknown function required for normal levels of resistance to oxidative damage, null mutants are sensitive to hydrogen peroxide; member of a conserved family of proteins found in eukaryotes cellular response to oxidative stress molecular_function mitochondrion YLR121C YPS3 hom FT CELL WALL ORG/BIOGENESIS|PROTEOLYSIS|PLASMA MEMBRANE 0.0163012181132606 0.345140682906289 1153 Aspartic protease, member of the yapsin family of proteases involved in cell wall growth and maintenance; attached to the plasma membrane via a glycosylphosphatidylinositol (GPI) anchor fungal-type cell wall organization|cellular protein metabolic process aspartic-type endopeptidase activity anchored to plasma membrane|plasma membrane YIL117C PRM5 hom 0.0162938017990358 0.345360226594601 1154 Pheromone-regulated protein, predicted to have 1 transmembrane segment; induced during cell integrity signaling biological_process molecular_function integral to membrane YDR057W YOS9 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|UBIQUITIN LIGASE COMPLEX 0.0162658212810201 0.34618932935451 1155 ER quality-control lectin; integral subunit of the HRD ligase; binds to glycans with terminal alpha-1,6 linked mannose on misfolded N-glycosylated proteins and participates in targeting proteins to ERAD; member of the OS-9 protein family ER-associated protein catabolic process oligosaccharide binding luminal surveillance complex|Hrd1p ubiquitin ligase ERAD-L complex|endoplasmic reticulum lumen YOR171C LCB4 hom FT LIPID METABOLISM|SIGNALING|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|PLASMA MEMBRANE 0.0162634678823346 0.346259121652459 1156 Sphingoid long-chain base kinase, responsible for synthesis of long-chain base phosphates, which function as signaling molecules, regulates synthesis of ceramide from exogenous long-chain bases, localizes to the Golgi and late endosomes calcium-mediated signaling|sphingolipid metabolic process D-erythro-sphingosine kinase activity Golgi apparatus|endoplasmic reticulum|plasma membrane|cortical endoplasmic reticulum YMR037C MSN2 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0162608838665299 0.34633576343913 1157 Transcriptional activator; activated in stress conditions, which results in translocation from the cytoplasm to the nucleus; binds DNA at stress response elements of responsive genes, inducing gene expression; MSN2 has a paralog, MSN4, that arose from the whole genome duplication; relative distribution to the nucleus increases upon DNA replication stress positive regulation of transcription from RNA polymerase II promoter in response to heat stress|positive regulation of transcription from RNA polymerase II promoter in response to a hypotonic environment|positive regulation of transcription from RNA polymerase II promoter in response to alkalinity|positive regulation of transcription from RNA polymerase II promoter in response to amino acid starvation|positive regulation of transcription from RNA polymerase II promoter in response to zinc ion starvation|positive regulation of transcription from RNA polymerase II promoter in response to acidity|chromatin remodeling|positive regulation of transcription from RNA polymerase II promoter in response to hydrogen peroxide|regulation of replicative cell aging by regulation of transcription from RNA polymerase II promoter in response to caloric restriction|positive regulation of transcription from RNA polymerase II promoter in response to arsenic-containing substance|positive regulation of transcription from RNA polymerase II promoter in response to increased salt|positive regulation of transcription from RNA polymerase II promoter in response to freezing|positive regulation of transcription from RNA polymerase II promoter in response to ethanol|age-dependent response to oxidative stress involved in chronological cell aging|replicative cell aging|positive regulation of transcription from RNA polymerase II promoter in response to hydrostatic pressure|cellular response to methylmercury|positive regulation of transcription from RNA polymerase II promoter in response to nitrosative stress|positive regulation of transcription from RNA polymerase II promoter in response to cold|positive regulation of transcription from RNA polymerase II promoter in response to glucose starvation RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity|core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding cytosol|nucleus YIL167W SDL1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0162586665403537 0.346401537837232 1158 Open reading frame, unlikely to produce a functional protein in S288C; in closely related species and other S. cerevisiae strain backgrounds YIL167W and adjacent ORF, YIL168W, constitute a single ORF encoding L-serine dehydratase serine family amino acid metabolic process L-serine ammonia-lyase activity cellular_component YER179W DMC1 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0162468006605976 0.346753660457668 1159 Meiosis-specific protein required for repair of double-strand breaks and pairing between homologous chromosomes; homolog of Rad51p and the bacterial RecA protein; binds ssDNA and dsDNA, forms helical filaments; stimulated by Rdh54p meiosis|reciprocal meiotic recombination|meiotic joint molecule formation double-stranded DNA binding|single-stranded DNA binding condensed nuclear chromosome|nucleus YLR142W PUT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0162374548440837 0.347103063218269 1160 Proline oxidase, nuclear-encoded mitochondrial protein involved in utilization of proline as sole nitrogen source; PUT1 transcription is induced by Put3p in the presence of proline and the absence of a preferred nitrogen source glutamate biosynthetic process|proline catabolic process to glutamate proline dehydrogenase activity mitochondrion YPL048W CAM1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS 0.01623073141309 0.347230881889073 1161 Nuclear protein required for transcription of MXR1; binds the MXR1 promoter in the presence of other nuclear factors; binds calcium and phospholipids; has similarity to translational cofactor EF-1 gamma ribosome biogenesis|positive regulation of transcription from RNA polymerase II promoter phospholipid binding|transcription coactivator activity|calcium ion binding nucleus YLL046C RNP1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS 0.0162200558433413 0.347907827115218 1162 Ribonucleoprotein that contains two RNA recognition motifs (RRM) ribosome biogenesis RNA binding cytoplasm YOL051W GAL11 hom FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.016198250942167 0.348556371039902 1163 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; affects transcription by acting as target of activators and repressors; forms part of the tail domain of mediator negative regulation of transcription from RNA polymerase II promoter|RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription coactivator activity involved in preinitiation complex assembly|TFIIE-class binding transcription factor activity|RNA polymerase II activating transcription factor binding|TFIIE-class transcription factor binding|TFIIH-class transcription factor binding|RNA polymerase II transcription factor recruiting transcription factor activity core mediator complex YOR023C AHC1 hom FT CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0161754108587102 0.348876973539765 1164 Subunit of the Ada histone acetyltransferase complex, required for structural integrity of the complex histone acetylation histone acetyltransferase activity Ada2/Gcn5/Ada3 transcription activator complex YDR513W GRX2 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0161672750356459 0.349119476399112 1165 Cytoplasmic glutaredoxin; thioltransferase, glutathione-dependent disulfide oxidoreductase involved in maintaining redox state of target proteins, also exhibits glutathione peroxidase activity, expression induced in response to stress; GRX2 has a paralog, GRX1, that arose from the whole genome duplication cellular response to oxidative stress disulfide oxidoreductase activity|glutathione transferase activity|glutathione peroxidase activity cytosol|mitochondrion YLR141W RRN5 het FT CHROMATIN ORGANIZATION|NUCLEUS 0.0161659921495437 0.349157724893798 1166 Protein involved in transcription of rDNA by RNA polymerase I; transcription factor, member of UAF (upstream activation factor) family along with Rrn9p and Rrn10p transcription of nuclear large rRNA transcript from RNA polymerase I promoter|chromatin organization RNA polymerase I upstream control element sequence-specific DNA binding transcription factor activity nucleolus|RNA polymerase I upstream activating factor complex YNL031C HHT2 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0161643889710257 0.349205526457186 1167 Histone H3, core histone protein required for chromatin assembly, part of heterochromatin-mediated telomeric and HM silencing; one of two identical histone H3 proteins (see HHT1); regulated by acetylation, methylation, and phosphorylation chromatin assembly or disassembly|global genome nucleotide-excision repair|rRNA transcription|sexual sporulation resulting in formation of a cellular spore|mitotic cell cycle spindle assembly checkpoint DNA binding nuclear nucleosome YNL294C RIM21 hom FF|FT ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0161577729114121 0.349402839751786 1168 pH sensor molecule, component of the RIM101 pathway; has a role in cell wall construction and alkaline pH response; is glycosylated and phosphorylated; interacts with Dfg16p and Rim9p to form a pH-sensing complex; localization to the plasma membrane is dependent on Dfg16p and Rim9p; has similarity to A. nidulans PalH fungal-type cell wall biogenesis|ascospore formation|invasive growth in response to glucose limitation molecular_function integral to membrane YML110C COQ5 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0161539875677651 0.349515763326587 1169 2-hexaprenyl-6-methoxy-1,4-benzoquinone methyltransferase, involved in ubiquinone (Coenzyme Q) biosynthesis; localizes to the matrix face of the mitochondrial inner membrane in a large complex with other ubiquinone biosynthetic enzymes ubiquinone biosynthetic process|aerobic respiration 2-hexaprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity mitochondrion|mitochondrial matrix YGL200C EMP24 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0161149495810903 0.351041070469279 1170 Component of the p24 complex; binds to GPI anchor proteins and mediates their efficient transport from the ER to the Golgi; integral membrane protein that associates with endoplasmic reticulum-derived COPII-coated vesicles protein retention in ER lumen|vesicle organization|ER to Golgi vesicle-mediated transport molecular_function integral to membrane|endoplasmic reticulum|ER to Golgi transport vesicle YMR120C ADE17 hom FT NUCLEOTIDE METABOLISM 0.0161113054778701 0.350790648736884 1171 Enzyme of 'de novo' purine biosynthesis; contains both 5-aminoimidazole-4-carboxamide ribonucleotide transformylase and inosine monophosphate cyclohydrolase activities; ADE17 has a paralog, ADE16, that arose from the whole genome duplication; ade16 ade17 mutants require adenine and histidine purine nucleotide biosynthetic process|'de novo' IMP biosynthetic process phosphoribosylaminoimidazolecarboxamide formyltransferase activity|IMP cyclohydrolase activity cytosol|plasma membrane YDR001C NTH1 hom FT CARBOHYDRATE METABOLISM 0.0161069785909876 0.350920054249963 1172 Neutral trehalase, degrades trehalose; required for thermotolerance and may mediate resistance to other cellular stresses; may be phosphorylated by Cdc28p; NTH1 has a paralog, NTH2, that arose from the whole genome duplication trehalose catabolic process|response to stress alpha,alpha-trehalase activity cytosol|cytoplasm YOR359W VTS1 hom FT PROTEIN LOCALIZATION|RNA PROCESSING|NUCLEUS 0.0160469860314947 0.35278918217203 1173 Flap-structured DNA-binding and RNA-binding protein; stimulates deadenylation-dependent mRNA degradation mediated by the CCR4-NOT deadenylase complex; member of the Smaug (Smg) family of post-transcriptional regulators which bind RNA through a conserved sterile alpha motif (SAM) domain that interacts with Smg recognition element (SREs) containing transcripts; stimulates Dna2p endonuclease activity nuclear-transcribed mRNA catabolic process|positive regulation of endodeoxyribonuclease activity|nuclear-transcribed mRNA poly(A) tail shortening flap-structured DNA binding|RNA binding cytosol|nucleus|cytoplasmic mRNA processing body YGL227W VID30 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.0159394453047958 0.356025494242517 1174 Central component of GID Complex, involved in FBPase degradation; interacts strongly with Gid8p to serve as a scaffold for other GID Complex subunits; contains SPRY domain and 3 domains that are also found in Gid8p - LisH, CTLH, and CRA; required for association of Vid vesicles and actin patches in vacuole import and degradation pathway; shifts the balance of nitrogen metabolism toward glutamate production; localizes to the nucleus and the cytoplasm regulation of nitrogen utilization|negative regulation of gluconeogenesis|proteasomal ubiquitin-dependent protein catabolic process|vacuolar protein catabolic process molecular_function nucleus|GID complex|cytoplasm YFR055W_p IRC7 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0159288805805583 0.35627271292361 1175 Beta-lyase involved in the production of thiols; null mutant displays increased levels of spontaneous Rad52p foci; expression induced by nitrogen limitation in a GLN3, GAT1-dependent manner and by copper levels in a Mac1-dependent manner sulfur compound metabolic process|L-cysteine catabolic process to pyruvate cysteine-S-conjugate beta-lyase activity cellular_component YAR028W_p YAR028W hom 0.0158844647825486 0.357687273741748 1176 Putative integral membrane protein, member of DUP240 gene family; GFP-fusion protein is induced in response to the DNA-damaging agent MMS biological_process molecular_function cellular_component YDR244W PEX5 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PEROXISOME ORGANIZATION 0.0158749079663511 0.357904940829298 1177 Peroxisomal membrane signal receptor for the C-terminal tripeptide signal sequence (PTS1) of peroxisomal matrix proteins, required for peroxisomal matrix protein import; also proposed to have PTS1-receptor independent functions protein import into peroxisome matrix, docking peroxisome matrix targeting signal-1 binding|protein binding, bridging cytosol|peroxisomal membrane|peroxisome YGL158W RCK1 hom FT CELL CYCLE|PROTEIN PHOSPHORYLATION 0.0158618221825021 0.358301385574732 1178 Protein kinase involved in the response to oxidative stress; identified as suppressor of S. pombe cell cycle checkpoint mutations; RCK1 has a paralog, RCK2, that arose from the whole genome duplication protein phosphorylation|regulation of meiosis protein serine/threonine kinase activity|protein kinase activity cellular_component YEL003W GIM4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.0158533537729639 0.359203815435696 1179 Subunit of the heterohexameric cochaperone prefoldin complex which binds specifically to cytosolic chaperonin and transfers target proteins to it tubulin complex assembly tubulin binding prefoldin complex|cytoplasm YOR273C TPO4 hom FF|FT PLASMA MEMBRANE 0.0158213118937657 0.359530428150306 1180 Polyamine transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; recognizes spermine, putrescine, and spermidine; localizes to the plasma membrane spermidine transport|spermine transport spermidine transmembrane transporter activity|spermine transmembrane transporter activity fungal-type vacuole membrane|integral to membrane|plasma membrane YMR216C SKY1 hom FF|FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|ION HOMEOSTASIS|PROTEIN PHOSPHORYLATION|ION HOMEOSTASIS 0.0158145775574443 0.359734997658516 1181 SR protein kinase (SRPK) involved in regulating proteins involved in mRNA metabolism and cation homeostasis; similar to human SRPK1 cellular cation homeostasis|cellular ion homeostasis|response to drug|protein phosphorylation|positive regulation of protein import into nucleus|regulation of cell size|mRNA splice site selection protein serine/threonine kinase activity|protein kinase activity cytoplasm YBR230C OM14 hom FT MITOCHONDRION 0.0157686019825394 0.361133553366777 1182 Integral mitochondrial outer membrane protein; abundance is decreased in cells grown in glucose relative to other carbon sources; appears to contain 3 alpha-helical transmembrane segments; ORF encodes a 97-basepair intron biological_process molecular_function mitochondrion|integral to mitochondrial outer membrane YCR102C_p YCR102C hom FT OXIDATION-REDUCTION PROCESS 0.0157572137541093 0.362340969313724 1183 Putative protein of unknown function, involved in copper metabolism; similar to C. carbonum toxD gene; member of the quinone oxidoreductase family response to copper ion molecular_function cellular_component YGR213C RTA1 hom FT PLASMA MEMBRANE 0.0157313723181334 0.362268556596473 1184 Protein involved in 7-aminocholesterol resistance; has seven potential membrane-spanning regions; expression is induced under both low-heme and low-oxygen conditions; member of the fungal lipid-translocating exporter (LTE) family of protein biological_process molecular_function integral to membrane|plasma membrane YEL047C FRD1 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0157205619963054 0.362598543771956 1185 Soluble fumarate reductase; required with isoenzyme Osm1p for anaerobic growth; may interact with ribosomes, based on co-purification experiments; authentic, non-tagged protein is detected in purified mitochondria in high-throughput studies; similar to Arxula adeninovorans fumarate reductase; protein abundance increases in response to DNA replication stress; FRD1 has a paralog, OSM1, that arose from the whole genome duplication cellular response to anoxia fumarate reductase (NADH) activity cytosol|mitochondrion|ribosome|plasma membrane YLR458W_d YLR458W het 0.0156863052954637 0.363645478445562 1186 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; overlaps 5' end of essential NBP1 gene required for mitosis Unknown Unknown Unknown YJR134C SGM1 hom FT GOLGI APPARATUS 0.0156794799862652 0.363854295407955 1187 Protein of unknown function, required for wild-type growth rate on galactose and mannose; localizes to COPI coated vesicles and the Golgi apparatus biological_process molecular_function COPI-coated vesicle|Golgi apparatus YBR223C TDP1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0156754461809266 0.363977742921942 1188 Tyrosyl-DNA phosphodiesterase I; hydrolyzes 3' and 5'-phosphotyrosyl bonds; involved in the repair of DNA lesions created by topoisomerase I and topoisomerase II; mutations in human homolog result in the neurodegenerative disease SCANI DNA repair 3'-tyrosyl-DNA phosphodiesterase activity|5'-tyrosyl-DNA phosphodiesterase activity nucleus YLR136C TIS11 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|NUCLEUS 0.0156727539243396 0.36406014926158 1189 mRNA-binding protein expressed during iron starvation; binds to a sequence element in the 3'-untranslated regions of specific mRNAs to mediate their degradation; involved in iron homeostasis; protein increases in abundance and relative distribution to the nucleus increases upon DNA replication stress cellular iron ion homeostasis|nuclear-transcribed mRNA catabolic process mRNA binding nucleus|cytoplasm YBL057C PTH2 hom FT PROTEOLYSIS|MITOCHONDRION 0.0156698955539313 0.364362298976731 1190 One of two (see also PTH1) mitochondrially-localized peptidyl-tRNA hydrolases; negatively regulates the ubiquitin-proteasome pathway via interactions with ubiquitin-like ubiquitin-associated proteins; dispensable for cell growth negative regulation of proteasomal ubiquitin-dependent protein catabolic process aminoacyl-tRNA hydrolase activity mitochondrial outer membrane|mitochondrion|cytoplasm YDL209C CWC2 het FT CELL CYCLE|RNA PROCESSING|NUCLEUS 0.0156623177096877 0.365167522982181 1191 Member of the NineTeen Complex (NTC) that contains Prp19p and stabilizes U6 snRNA in catalytic forms of the spliceosome containing U2, U5, and U6 snRNAs; binds directly to U6 snRNA; similar to S. pombe Cwf2 mRNA cis splicing, via spliceosome|mRNA splicing, via spliceosome|spliceosomal snRNP assembly pre-mRNA binding|first spliceosomal transesterification activity|U6 snRNA binding|second spliceosomal transesterification activity Prp19 complex|U2-type catalytic step 1 spliceosome|U2-type catalytic step 2 spliceosome YDL083C RPS16B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0156616032683194 0.364759387135442 1192 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S16 and bacterial S9; RPS16B has a paralog, RPS16A, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit YDL170W UGA3 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0156608103505664 0.364425866515703 1193 Transcriptional activator necessary for gamma-aminobutyrate (GABA)-dependent induction of GABA genes (such as UGA1, UGA2, UGA4); zinc-finger transcription factor of the Zn(2)-Cys(6) binuclear cluster domain type; localized to the nucleus nitrogen utilization|nitrogen catabolite activation of transcription from RNA polymerase II promoter|gamma-aminobutyric acid catabolic process sequence-specific DNA binding transcription factor recruiting transcription factor activity|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus YNL283C WSC2 hom FF|FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.015645651851369 0.364890356505095 1194 Partially redundant sensor-transducer of the stress-activated PKC1-MPK1 signaling pathway involved in maintenance of cell wall integrity and recovery from heat shock; secretory pathway Wsc2p is required for the arrest of secretion response fungal-type cell wall organization|response to heat|Rho protein signal transduction transmembrane signaling receptor activity site of polarized growth|cellular bud|mating projection tip|cytoplasm YBR177C EHT1 hom FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.0156361767635923 0.365180881847267 1195 Acyl-coenzymeA:ethanol O-acyltransferase; plays a minor role in medium-chain fatty acid ethyl ester biosynthesis; possesses short-chain esterase activity; localizes to lipid particles and the mitochondrial outer membrane; EHT1 has a paralog, EEB1, that arose from the whole genome duplication medium-chain fatty acid catabolic process|medium-chain fatty acid biosynthetic process|cellular lipid metabolic process short-chain carboxylesterase activity|alcohol O-butanoyltransferase activity|serine hydrolase activity mitochondrial outer membrane|mitochondrion|lipid particle YNL012W SPO1 hom FT CELL CYCLE|LIPID METABOLISM|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0156323616124372 0.365297902856506 1196 Meiosis-specific prospore protein; required for meiotic spindle pole body duplication and separation; required to produce bending force necessary for proper prospore membrane assembly during sporulation; has similarity to phospholipase B meiosis|spore membrane bending pathway phospholipase activity endoplasmic reticulum|nucleus|prospore membrane YMR049C ERB1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0156322666745815 0.365300815155852 1197 Constituent of 66S pre-ribosomal particles, forms a complex with Nop7p and Ytm1p that is required for maturation of the large ribosomal subunit; required for maturation of the 25S and 5.8S ribosomal RNAs; homologous to mammalian Bop1 ribosomal large subunit biogenesis|rRNA processing molecular_function PeBoW complex|nucleolus|nucleus|preribosome, large subunit precursor YJR050W ISY1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0156220621186852 0.36590000976263 1198 Member of NineTeen Complex (NTC) that contains Prp19p and stabilizes U6 snRNA in catalytic forms of spliceosome containing U2, U5, and U6 snRNAs, interacts with Prp16p to modulate splicing fidelity; isy1 syf2 cells have defective spindles generation of catalytic spliceosome for second transesterification step|mRNA 3'-splice site recognition first spliceosomal transesterification activity|second spliceosomal transesterification activity post-spliceosomal complex|Prp19 complex|post-mRNA release spliceosomal complex|U2-type catalytic step 2 spliceosome|U2-type catalytic step 1 spliceosome YPL067C_p YPL067C hom 0.0156048407453083 0.366142735531571 1199 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YPL067C is not an essential gene biological_process molecular_function cytoplasm YLR106C MDN1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEOTIDE METABOLISM|NUCLEUS|MITOCHONDRION 0.0155943019027727 0.366466578172553 1200 Huge dynein-related AAA-type ATPase (midasin), forms extended pre-60S particle with the Rix1 complex (Rix1p-Ipi1p-Ipi3p); acts in removal of ribosomal biogenesis factors at successive steps of pre-60S assembly and export from nucleus ribosomal large subunit assembly|rRNA processing ATPase activity nucleoplasm|mitochondrion|nucleus YDR310C SUM1 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|NUCLEUS 0.0155770423246084 0.366997324340673 1201 Transcriptional repressor required for mitotic repression of middle sporulation-specific genes; also acts as general replication initiation factor; involved in telomere maintenance, chromatin silencing; regulated by pachytene checkpoint negative regulation of transcription by competitive promoter binding|negative regulation of transcription from RNA polymerase II promoter during mitosis|DNA replication initiation|chromatin silencing at silent mating-type cassette DNA replication origin binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in negative regulation of transcription|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding nucleus YGR223C HSV2 hom FT MEMBRANE ORGANIZATION|RESPONSE TO NUTRIENT LEVELS 0.0155694659978826 0.367230453766589 1202 Phosphatidylinositol 3,5-bisphosphate-binding protein, plays a role in micronucleophagy; belongs to the PROPPIN family of proteins; predicted to fold as a seven-bladed beta-propeller; displays punctate cytoplasmic localization piecemeal microautophagy of nucleus phosphatidylinositol binding endosome|fungal-type vacuole|extrinsic to membrane|cytoplasm YMR294W JNM1 hom FF|FT CELL CYCLE|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0155551006034728 0.367672741243709 1203 Component of the yeast dynactin complex, consisting of Nip100p, Jnm1p, and Arp1p; required for proper nuclear migration and spindle partitioning during mitotic anaphase B nuclear migration|establishment of mitotic spindle orientation structural constituent of cytoskeleton dynactin complex|cell cortex|spindle pole body|astral microtubule YBR159W IFA38 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0155544863058609 0.367691661874005 1204 Microsomal beta-keto-reductase; contains oleate response element (ORE) sequence in the promoter region; mutants exhibit reduced VLCFA synthesis, accumulate high levels of dihydrosphingosine, phytosphingosine and medium-chain ceramides fatty acid elongation ketoreductase activity integral to membrane|endoplasmic reticulum YJR096W YJR096W hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0155491780499933 0.367855183684097 1205 Putative xylose and arabinose reductase; member of the aldo-keto reductase (AKR) family; GFP-fusion protein is induced in response to the DNA-damaging agent MMS cellular response to oxidative stress|D-xylose catabolic process|arabinose catabolic process alditol:NADP+ 1-oxidoreductase activity|aldo-keto reductase (NADP) activity nucleus|cytoplasm YGL241W KAP114 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0155416166784177 0.368088191293687 1206 Karyopherin, responsible for nuclear import of specific proteins; cargoes include Spt15p, Sua7p, histones H2A and H2B, and Nap1p; amino terminus shows similarity to those of other importins, particularly Cse1p; localization is primarily nuclear; function is regulated by sumoylation; protein abundance increases in response to DNA replication stress protein import into nucleus|transcription factor import into nucleus protein transporter activity integral to membrane|nucleus|cytoplasm YER098W UBP9 hom FT PROTEOLYSIS 0.0155136398393051 0.368951110525626 1207 Ubiquitin-specific protease that cleaves ubiquitin-protein fusions; UBP9 has a paralog, UBP13, that arose from the whole genome duplication protein deubiquitination ubiquitin-specific protease activity cytoplasm YDL081C RPP1A hom FT TRANSLATION|RIBOSOME 0.0154671027849004 0.370389285545134 1208 Ribosomal stalk protein P1 alpha, involved in the interaction between translational elongation factors and the ribosome; accumulation of P1 in the cytoplasm is regulated by phosphorylation and interaction with the P2 stalk component cytoplasmic translation|translational elongation structural constituent of ribosome cytosolic large ribosomal subunit YIL116W HIS5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0154647680748645 0.370747055223104 1209 Histidinol-phosphate aminotransferase, catalyzes the seventh step in histidine biosynthesis; responsive to general control of amino acid biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts histidine biosynthetic process histidinol-phosphate transaminase activity intracellular YOL034W SMC5 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0154599316799321 0.370753925522653 1210 Component of the SMC5-SMC6 complex; this complex plays a key role in the removal of X-shaped DNA structures that arise between sister chromatids during DNA replication and repair; binds single-stranded DNA and has ATPase activity; S. pombe homolog forms a heterodimer with S. pombe Rad18p that is involved in DNA repair DNA repair|resolution of recombination intermediates|recombinational repair|rDNA separation damaged DNA binding|single-stranded DNA binding|ATPase activity Smc5-Smc6 complex|nucleus YKL194C MST1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0154425879507232 0.37114828631812 1211 Mitochondrial threonyl-tRNA synthetase; aminoacylates both the canonical threonine tRNA tT(UGU)Q1 and the unusual threonine tRNA tT(XXX)Q2 in vitro mitochondrial threonyl-tRNA aminoacylation threonine-tRNA ligase activity mitochondrion YPR034W ARP7 het FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0154326851365317 0.371455159505143 1212 Component of both the SWI/SNF and RSC chromatin remodeling complexes; actin-related protein involved in transcriptional regulation nucleosome mobilization|ATP-dependent chromatin remodeling|chromatin organization|nucleosome disassembly|transcription elongation from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter DNA translocase activity RSC complex|SWI/SNF complex|nucleus YOR384W FRE5 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION|PLASMA MEMBRANE 0.0154308593220627 0.37151175589851 1213 Putative ferric reductase with similarity to Fre2p; expression induced by low iron levels; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process ferric-chelate reductase activity mitochondrion|integral to membrane YNL052W COX5A hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0154149039294649 0.37200656686941 1214 Subunit Va of cytochrome c oxidase; cytochrome c oxidase is the terminal member of the mitochondrial inner membrane electron transport chain; Cox5Ap is predominantly expressed during aerobic growth while its isoform Vb (Cox5Bp) is expressed during anaerobic growth; COX5A has a paralog, COX5B, that arose from the whole genome duplication mitochondrial electron transport, cytochrome c to oxygen cytochrome-c oxidase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex IV YNL101W AVT4 hom FT VACUOLAR TRANSPORT 0.0153970831495541 0.372559710077128 1215 Vacuolar transporter, exports large neutral amino acids from the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters amino acid export from vacuole transporter activity|L-glutamine transmembrane transporter activity|L-isoleucine transmembrane transporter activity|L-tyrosine transmembrane transporter activity fungal-type vacuole membrane|integral to membrane|fungal-type vacuole YDR155C CPR1 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0153584236263596 0.374403382131973 1216 Cytoplasmic peptidyl-prolyl cis-trans isomerase (cyclophilin); catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; binds the drug cyclosporin A; protein abundance increases in response to DNA replication stress cellular protein metabolic process|ascospore formation|positive regulation of meiosis|histone deacetylation peptidyl-prolyl cis-trans isomerase activity|cyclosporin A binding histone deacetylase complex|mitochondrion|Set3 complex|nucleus YLR426W_p TDA5 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0153569534805296 0.373807167751295 1217 Putative protein of unknown function; detected in highly purified mitochondria in high-throughput studies; proposed to be involved in resistance to mechlorethamine and streptozotocin; null mutant sensitive to expression of top1-T722A allele response to drug molecular_function mitochondrion|integral to membrane YBR043C QDR3 hom FT PLASMA MEMBRANE 0.0153093839373924 0.37528924085352 1218 Multidrug transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; has a role in polyamine homeostasis; expression is upregulated under polyamine stress; required for resistance to quinidine, barban, cisplatin, and bleomycin drug transmembrane transport|polyamine homeostasis drug transmembrane transporter activity|polyamine transmembrane transporter activity integral to membrane|plasma membrane YOR181W LAS17 het FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0153022901473504 0.375581762394447 1219 Actin assembly factor, activates the Arp2/3 protein complex that nucleates branched actin filaments; localizes with the Arp2/3 complex to actin patches; homolog of the human Wiskott-Aldrich syndrome protein (WASP) bipolar cellular bud site selection|endocytosis|actin polymerization or depolymerization|actin filament organization|actin cortical patch localization|positive regulation of actin filament bundle assembly|response to osmotic stress|cytokinesis cytoskeletal protein binding mating projection tip|cytoplasm|actin cortical patch YPL058C PDR12 hom FT KETONE METABOLISM|NUCLEOTIDE METABOLISM|PLASMA MEMBRANE 0.0152683315330974 0.376571179180007 1220 Plasma membrane ATP-binding cassette (ABC) transporter, weak-acid-inducible multidrug transporter required for weak organic acid resistance; induced by sorbate and benzoate and regulated by War1p; mutants exhibit sorbate hypersensitivity propionate metabolic process|transport|organic acid transport xenobiotic-transporting ATPase activity|organic acid transmembrane transporter activity integral to membrane|plasma membrane YML064C TEM1 het FT CELL CYCLE|SIGNALING|CELL DIVISION|CYTOSKELETON 0.015262682323448 0.376747797475032 1221 GTP-binding protein of the ras superfamily involved in termination of M-phase; controls actomyosin and septin dynamics during cytokinesis regulation of exit from mitosis protein binding|GTPase activity spindle pole body YOR337W TEA1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0152579479768982 0.377109367149204 1222 Ty1 enhancer activator required for full levels of Ty enhancer-mediated transcription; C6 zinc cluster DNA-binding protein transcription, DNA-dependent sequence-specific DNA binding|DNA binding nucleus YLR461W PAU4 hom 0.0152470984979033 0.377235278788686 1223 Member of the seripauperin multigene family encoded mainly in subtelomeric regions; active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme biological_process molecular_function cellular_component YOL040C RPS15 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0152373707744352 0.377539770947787 1224 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S15 and bacterial S19 cytoplasmic translation|rRNA export from nucleus structural constituent of ribosome cytosolic small ribosomal subunit YPL006W NCR1 hom FT LIPID METABOLISM 0.0152194957609213 0.378170792837416 1225 Vacuolar membrane protein that transits through the biosynthetic vacuolar protein sorting pathway, involved in sphingolipid metabolism; glycoprotein and functional orthologue of human Niemann Pick C1 (NPC1) protein sphingolipid metabolic process sphingolipid transporter activity fungal-type vacuole membrane|integral to membrane YPL064C CWC27 hom FT RNA PROCESSING|NUCLEUS 0.0152169226798419 0.378180320062844 1226 Component of a complex containing Cef1p; putatively involved in pre-mRNA splicing; has similarity to S. pombe Cwf27p; protein abundance increases in response to DNA replication stress biological_process molecular_function U2-type spliceosomal complex YML018C YML018C hom 0.0152097065470382 0.378762231162735 1227 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the membrane of the vacuole; physical interaction with Atg27p suggests a possible role in autophagy; YML018C is not an essential gene; relative distribution to the vacuolar membrane decreases upon DNA replication stress; YML018C has a paralog, THI74, that arose from the whole genome duplication biological_process molecular_function fungal-type vacuole membrane|integral to membrane YGR244C LSC2 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0152086509159243 0.378439628092779 1228 Beta subunit of succinyl-CoA ligase, which is a mitochondrial enzyme of the TCA cycle that catalyzes the nucleotide-dependent conversion of succinyl-CoA to succinate tricarboxylic acid cycle|succinyl-CoA metabolic process succinate-CoA ligase (ADP-forming) activity mitochondrion YDL058W USO1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|CYTOSKELETON 0.0151927496781258 0.379294028735277 1229 Essential protein involved in the vesicle-mediated ER to Golgi transport step of secretion; binds membranes and functions during vesicle docking to the Golgi; required for assembly of the ER-to-Golgi SNARE complex Golgi vesicle docking|ER to Golgi vesicle-mediated transport|SNARE complex assembly molecular_function integral to membrane|ER to Golgi transport vesicle membrane|Golgi membrane YLR088W GAA1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0151783924308396 0.379389120464145 1230 Subunit of the GPI (glycosylphosphatidylinositol):protein transamidase complex, removes the GPI-anchoring signal and attaches GPI to proteins in the ER attachment of GPI anchor to protein GPI-anchor transamidase activity integral to membrane|GPI-anchor transamidase complex YGL034C_d YGL034C hom 0.0151607711174014 0.379942740490907 1231 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL009W FAA3 hom FT KETONE METABOLISM|LIPID METABOLISM 0.0151469520553093 0.380377249852137 1232 Long chain fatty acyl-CoA synthetase, activates imported fatty acids; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery long-chain fatty acid metabolic process long-chain fatty acid-CoA ligase activity|very long-chain fatty acid-CoA ligase activity cellular_component YOR300W_d YOR300W hom 0.0151456189817888 0.380419181487529 1233 Dubious open reading frame, unlikely to encode a protein; overlaps with verified gene BUD7/YOR299W; mutation affects bipolar budding and bud site selection, though phenotype could be due to the mutation's effects on BUD7 Unknown Unknown Unknown YLR270W DCS1 hom FT NUCLEUS|MITOCHONDRION 0.0151431734600393 0.38049611240168 1234 Non-essential hydrolase involved in mRNA decapping; activates Xrn1p; may function in a feedback mechanism to regulate deadenylation, contains pyrophosphatase activity and a HIT (histidine triad) motif; interacts with neutral trehalase Nth1p; required for growth on glycerol medium; protein abundance increases in response to DNA replication stress deadenylation-dependent decapping of nuclear-transcribed mRNA|positive regulation of nuclease activity|nuclear-transcribed mRNA catabolic process, deadenylation-independent decay hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides|enzyme activator activity|m7G(5')pppN diphosphatase activity mitochondrion|nucleus|cytoplasmic mRNA processing body|cytoplasm YBR019C GAL10 hom FT CARBOHYDRATE METABOLISM 0.0151284418620579 0.380959739227675 1235 UDP-glucose-4-epimerase, catalyzes the interconversion of UDP-galactose and UDP-D-glucose in galactose metabolism; also catalyzes the conversion of alpha-D-glucose or alpha-D-galactose to their beta-anomers galactose catabolic process via UDP-galactose aldose 1-epimerase activity|UDP-glucose 4-epimerase activity cytosol YDL156W CMR1 hom FT NUCLEUS|CHROMOSOME 0.0151264825141003 0.381021429138934 1236 DNA-binding protein with preference for UV-damaged DNA; protein sequence contains three WD domains (WD-40 repeat); green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; potential regulatory target of Mbp1p, which binds to the promoter region; co-localizes with Hos2p in nuclear foci in response to DNA damage by MMS biological_process DNA binding nuclear chromatin|nucleus|cytoplasm YNR066C_p YNR066C hom 0.0151174445778382 0.381306067182881 1237 Putative membrane-localized protein of unknown function biological_process molecular_function integral to membrane|membrane YPL172C COX10 hom FT COFACTOR METABOLISM|MITOCHONDRION 0.0151154728867462 0.381652298631382 1238 Heme A:farnesyltransferase, catalyzes the first step in the conversion of protoheme to the heme A prosthetic group required for cytochrome c oxidase activity; human ortholog is associated with mitochondrial disorders heme a biosynthetic process protoheme IX farnesyltransferase activity mitochondrion|integral to membrane YJR061W_p YJR061W hom 0.0151073020349742 0.381696641188245 1239 Putative protein of unknown function; non-essential gene; transcription repressed by Rm101p; YJR061W has a paralog, MNN4, that arose from the whole genome duplication biological_process molecular_function cellular_component YOR043W WHI2 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION 0.0150808748422079 0.382459114717701 1240 Protein required, with binding partner Psr1p, for full activation of the general stress response, possibly through Msn2p dephosphorylation; regulates growth during the diauxic shift; negative regulator of G1 cyclin expression response to salt stress|mitochondrion degradation|actin filament organization|endocytosis|response to heat|regulation of growth|response to stress phosphatase activator activity cellular_component YDR003W-A_p YDR003W-A hom 0.0150763372421733 0.382602334563266 1241 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YIR003W AIM21 hom FT SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0150706597059374 0.382781580378274 1242 Protein of unknown function involved in mitochondrial migration along actin filament; may interact with ribosomes; GFP-fusion protein colocalizes with Sac1p to the actin cytoskeleton mitochondrion migration along actin filament molecular_function ribosome|mating projection tip|actin cytoskeleton YHR177W_p YHR177W hom 0.0150160291703288 0.384508951651648 1243 Putative protein of unknown function; overexpression causes a cell cycle delay or arrest biological_process molecular_function cellular_component YLR045C STU2 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0150043323628976 0.384879413291549 1244 Microtubule-associated protein (MAP) of the XMAP215/Dis1 family; regulates microtubule dynamics during spindle orientation and metaphase chromosome alignment; interacts with spindle pole body component Spc72p microtubule nucleation|mitotic spindle organization in nucleus microtubule binding|structural constituent of cytoskeleton cell cortex|spindle microtubule|condensed nuclear chromosome kinetochore|spindle pole body|kinetochore YCR035C RRP43 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0150014285030239 0.384971418217497 1245 Exosome non-catalytic core component; involved in 3'-5' RNA processing and degradation in both the nucleus and the cytoplasm; has similarity to E. coli RNase PH and to human hRrp43p (OIP2, EXOSC8); protein abundance increases in response to DNA replication stress nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent rRNA catabolic process|nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay|nuclear polyadenylation-dependent mRNA catabolic process|nonfunctional rRNA decay|nuclear-transcribed mRNA catabolic process, exonucleolytic, 3'-5'|polyadenylation-dependent snoRNA 3'-end processing|exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|nuclear-transcribed mRNA catabolic process, non-stop decay|ncRNA 3'-end processing molecular_function nucleoplasm|nucleolus|nuclear exosome (RNase complex)|cytoplasmic exosome (RNase complex)|cytoplasm YBR040W FIG1 hom FT SITE OF POLARIZED GROWTH 0.0149535379868146 0.386490703221824 1246 Integral membrane protein required for efficient mating; may participate in or regulate the low affinity Ca2+ influx system, which affects intracellular signaling and cell-cell fusion during mating cell morphogenesis involved in conjugation with cellular fusion|cytogamy molecular_function fungal-type cell wall|integral to membrane|mating projection tip YOL008W COQ10 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0149501670569246 0.386597780660683 1247 Coenzyme Q (ubiquinone) binding protein, functions in the delivery of Q6 to its proper location for electron transport during respiration; START domain protein with homologs in bacteria and eukaryotes cellular respiration ubiquinone binding mitochondrion|mitochondrial inner membrane YLR356W ATG33 hom FT MITOCHONDRION 0.0149486052811011 0.387356336767054 1248 Mitochondrial mitophagy-specific protein; required primarily for mitophagy induced at the post-log phase; not required for other types of selective autophagy or macroautophagy; conserved within fungi, but not in higher eukaryotes mitochondrion degradation molecular_function mitochondrion|integral to membrane YHR113W APE4 hom FT PROTEOLYSIS 0.014931377104127 0.387194974175425 1249 Cytoplasmic aspartyl aminopeptidase that may also function in the vacuole; CVT pathway cargo protein; cleaves unblocked N-terminal acidic amino acids from peptide substrates; forms a 12-subunit homo-oligomer; M18 metalloprotease family proteolysis aminopeptidase activity fungal-type vacuole lumen|ribosome|cytoplasm YOL133W HRT1 het FT CELL CYCLE|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.014876502276217 0.388942255450648 1250 RING finger containing subunit of Skp1-Cullin-F-box ubiquitin protein ligases (SCF); required for Gic2p, Far1p, Sic1p and Cln2p degradation; may tether Cdc34p (a ubiquitin conjugating enzyme or E2) and Cdc53p (a cullin) subunits of SCF G2/M transition of mitotic cell cycle|SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|protein ubiquitination involved in ubiquitin-dependent protein catabolic process|G1/S transition of mitotic cell cycle ubiquitin-protein ligase activity SCF ubiquitin ligase complex|nucleus|cytoplasm YKL204W EAP1 hom FT TRANSLATION 0.0148642669774587 0.389332495324715 1251 eIF4E-associated protein, competes with eIF4G for binding to eIF4E; accelerates mRNA degradation by promoting decapping, facilitated by interaction with eIF4E; essential for Puf5p mediated repression; associates with Puf5p and Dhh1p; inhibits cap-dependent translation; functions independently of eIF4E to maintain genetic stability; plays a role in cell growth, implicated in the TOR signaling cascade negative regulation of translation eukaryotic initiation factor 4E binding mRNA cap binding complex|cytoplasmic stress granule YKL120W OAC1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0148637942916433 0.389418284374604 1252 Mitochondrial inner membrane transporter, transports oxaloacetate, sulfate, thiosulfate, and isopropylmalate; member of the mitochondrial carrier family sulfate transport|oxaloacetate transport|isopropylmalate transport secondary active sulfate transmembrane transporter activity|oxaloacetate secondary active transmembrane transporter activity|isopropylmalate transmembrane transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YJL032W_d YJL032W het 0.0148552520824368 0.389620174030494 1253 Dubious open reading frame unlikely to encode a functional protein; overlaps 3' end of essential BET4 gene encoding the alpha subunit of Type II geranylgeranyltransferase Unknown Unknown Unknown YOR323C PRO2 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0148502512683983 0.390913081037055 1254 Gamma-glutamyl phosphate reductase, catalyzes the second step in proline biosynthesis proline biosynthetic process glutamate-5-semialdehyde dehydrogenase activity nucleus|cytoplasm YMR121C RPL15B hom FT TRANSLATION|RIBOSOME 0.0148418312720866 0.390048691378732 1255 Ribosomal 60S subunit protein L15B; binds to 5.8 S rRNA; homologous to mammalian ribosomal protein L15, no bacterial homolog; RPL15B has a paralog, RPL15A, that arose from the whole genome duplication; relocalizes from nucleus to nucleolus upon DNA replication stress cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YPL169C MEX67 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0148223539687599 0.390953833874352 1256 Poly(A)RNA binding protein involved in nuclear mRNA export, component of the nuclear pore; ortholog of human TAP mRNA export from nucleus|ribosomal large subunit export from nucleus protein binding|RNA binding|structural constituent of nuclear pore integral to membrane|nuclear RNA export factor complex|nuclear pore|cytoplasm YMR039C SUB1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0148193250985046 0.390767940723308 1257 Transcriptional coactivator; facilitates elongation through factors that modify RNAP II; role in peroxide resistance involving Rad2p; role in the hyperosmotic stress response through polymerase recruitment at RNAP II and RNAP III genes; protein abundance increases in response to DNA replication stress termination of RNA polymerase II transcription|hyperosmotic response|RNA polymerase III transcriptional preinitiation complex assembly|positive regulation of transcription elongation from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter in response to stress|positive regulation of transcription from RNA polymerase III promoter transcription coactivator activity nucleus YOL106W_d YOL106W hom 0.0148190694540402 0.390988127534095 1258 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL173C RFA3 het FT PROTEIN LOCALIZATION|CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0147886472715532 0.391749634688493 1259 Subunit of heterotrimeric Replication Protein A (RPA); RPA is a highly conserved single-stranded DNA binding protein complex involved in DNA replication, repair, and recombination; protein abundance increases in response to DNA replication stress establishment of protein localization|telomere maintenance via telomerase|telomere maintenance via recombination|nucleotide-excision repair|DNA repair|mitotic recombination|heteroduplex formation|DNA unwinding involved in replication|reciprocal meiotic recombination|double-strand break repair via homologous recombination|DNA replication|protein ubiquitination double-stranded DNA binding|sequence-specific DNA binding condensed nuclear chromosome|chromosome, telomeric region|DNA replication factor A complex YKR020W VPS51 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL DIVISION|VACUOLAR TRANSPORT|GOLGI APPARATUS 0.014766880517998 0.39258827017529 1260 Component of the GARP (Golgi-associated retrograde protein) complex, Vps51p-Vps52p-Vps53p-Vps54p, which is required for the recycling of proteins from endosomes to the late Golgi; links the (VFT/GARP) complex to the SNARE Tlg1p vesicle organization|retrograde transport, endosome to Golgi|budding cell apical bud growth|regulation of cell size|protein targeting to vacuole protein binding Golgi apparatus|GARP complex YNL073W MSK1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|RNA LOCALIZATION|MITOCHONDRION 0.014761755795247 0.392611394122057 1261 Mitochondrial lysine-tRNA synthetase, required for import of both aminoacylated and deacylated forms of tRNA(Lys) into mitochondria and for aminoacylation of mitochondrially encoded tRNA(Lys) tRNA import into mitochondrion|lysyl-tRNA aminoacylation|mitochondrial lysyl-tRNA aminoacylation|mitochondrial translation lysine-tRNA ligase activity mitochondrion YMR090W_p YMR090W hom 0.0147567764977762 0.392771085743426 1262 Putative protein of unknown function with similarity to DTDP-glucose 4,6-dehydratases; GFP-fusion protein localizes to the cytoplasm; up-regulated in response to the fungicide mancozeb; not essential for viability biological_process molecular_function cytoplasm YLR052W IES3 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0147419856274975 0.393386803650331 1263 Subunit of the INO80 chromatin remodeling complex nucleosome mobilization|telomere maintenance|chromatin silencing at telomere molecular_function nucleus|Ino80 complex YHL035C VMR1 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0147273336220448 0.393716155640692 1264 Vacuolar membrane protein involved in multiple drug resistance and metal sensitivity; ATP-binding cassette (ABC) family member involved in drug transport; potential Cdc28p substrate; induced under respiratory conditions transport|response to drug|response to metal ion|drug transport ATPase activity, coupled to transmembrane movement of substances fungal-type vacuole membrane|mitochondrion|integral to membrane|ribosome YDR121W DPB4 hom FT GENE SILENCING|NUCLEUS|CHROMOSOME 0.0147261140899091 0.393966984869226 1265 Subunit of DNA pol epsilon and of ISW2 chromatin accessibility complex; involved in both chromosomal DNA replication and inheritance of telomeric silencing; stabilizes the interaction of Pol epsilon with primer-template DNA, positively affecting the processivity of the polymerase and exonuclease activities of Pol epsilon; interacts with extranucleosomal DNA and acts as anchor point for ISW2 complex that retains its position on DNA during nucleosome mobilization DNA-dependent DNA replication|chromatin silencing at telomere double-stranded DNA binding|single-stranded DNA binding|DNA-directed DNA polymerase activity chromatin accessibility complex|epsilon DNA polymerase complex YOR137C SIA1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0147228548510714 0.394142262931376 1266 Protein of unassigned function involved in activation of the Pma1p plasma membrane H+-ATPase by glucose proton transport molecular_function cellular_component YPL016W SWI1 het FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|RSC COMPLEX 0.0147184882336788 0.394000347277988 1267 Subunit of the SWI/SNF chromatin remodeling complex; regulates transcription by remodeling chromatin; required for transcription of many genes, including ADH1, ADH2, GAL1, HO, INO1 and SUC2; can form the prion [SWI+]; human homolog ARID1A is a candidate tumor suppressor gene in breast cancer cellular alcohol catabolic process|ATP-dependent chromatin remodeling|positive regulation of mating type switching|sucrose catabolic process|carbon catabolite activation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter in response to amino acid starvation|positive regulation of transcription from RNA polymerase II promoter|DNA-dependent DNA replication RNA polymerase II activating transcription factor binding SWI/SNF complex|nucleus YGR170W PSD2 hom FT LIPID METABOLISM|GOLGI APPARATUS 0.0147158711218214 0.394084455705776 1268 Phosphatidylserine decarboxylase of the Golgi and vacuolar membranes, converts phosphatidylserine to phosphatidylethanolamine phosphatidylcholine biosynthetic process phosphatidylserine decarboxylase activity endosome YDL016C_d YDL016C het 0.0147029344658928 0.394500371931501 1269 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF CDC7/YDL153C, the catalytic subunit of a complex that regulates DNA replication Unknown Unknown Unknown YNL278W CAF120 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|SITE OF POLARIZED GROWTH 0.0147018139938896 0.394536407829533 1270 Part of the CCR4-NOT transcriptional regulatory complex; involved in controlling mRNA initiation, elongation, and degradation; CAF120 has a paralog, SKG3, that arose from the whole genome duplication regulation of transcription from RNA polymerase II promoter molecular_function CCR4-NOT complex YOL072W THP1 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RNA PROCESSING|RESPONSE TO DNA DAMAGE|CELL DIVISION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0146767876190808 0.395341808563649 1271 Nuclear pore-associated protein; component of TREX-2 complex (Sac3p-Thp1p-Sus1p-Cdc31p) involved in transcription elongation and mRNA export from the nucleus; involved in post-transcriptional tethering of active genes to the nuclear periphery and to non-nascent mRNP; contains a PAM domain implicated in protein-protein binding mRNA export from nucleus|mRNA 3'-end processing|transcription-coupled nucleotide-excision repair|cellular bud site selection|nuclear retention of pre-mRNA at the site of transcription|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|transcription elongation from RNA polymerase II promoter double-stranded DNA binding|RNA binding nuclear envelope|nucleus|transcription export complex 2|nuclear pore YOL136C PFK27 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0146737593363035 0.395509796493192 1272 6-phosphofructo-2-kinase, catalyzes synthesis of fructose-2,6-bisphosphate; inhibited by phosphoenolpyruvate and sn-glycerol 3-phosphate, expression induced by glucose and sucrose, transcriptional regulation involves protein kinase A regulation of glycolysis|fructose 2,6-bisphosphate metabolic process 6-phosphofructo-2-kinase activity cytoplasm YBL052C SAS3 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0146493421570287 0.396437549983479 1273 Histone acetyltransferase catalytic subunit of NuA3 complex that acetylates histone H3, involved in transcriptional silencing; homolog of the mammalian MOZ proto-oncogene; mutant has aneuploidy tolerance; sas3gcn5 double mutation is lethal histone acetylation|chromatin modification|chromatin silencing at telomere|chromatin silencing at silent mating-type cassette histone acetyltransferase activity NuA3 histone acetyltransferase complex YDL162C_d YDL162C hom 0.014636238989213 0.396648854166297 1274 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps ENT1/YDL161W, a verified gene involved in endocytosis and actin cortical patch assembly Unknown Unknown Unknown YDL068W_d YDL068W hom 0.0146271538986397 0.396942060271594 1275 Dubious ORF unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL008W CHL1 hom FT CELL CYCLE|CHROMOSOME SEGREGATION|NUCLEUS 0.0146220736271895 0.39717646896374 1276 Probable DNA helicase; involved in sister-chromatid cohesion and genome integrity and interstrand cross-link repair; interacts with ECO1 and CTF18; mutants are defective in silencing, rDNA recombination, aging and the heat shock response; FANCJ-like helicase family member; mutations in the human homolog, DDX11/ChLR1, cause Warsaw breakage syndrome negative regulation of DNA recombination|chromosome segregation|donor selection|DNA replication initiation|mitotic sister chromatid cohesion DNA helicase activity nucleus YOL152W FRE7 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.014604767883612 0.397665089065355 1277 Putative ferric reductase with similarity to Fre2p; expression induced by low copper levels iron ion transport|copper ion import ferric-chelate reductase activity integral to membrane|plasma membrane YER124C DSE1 hom FT CELL CYCLE|SIGNALING|CELL WALL ORG/BIOGENESIS|CELL DIVISION|SITE OF POLARIZED GROWTH 0.0145994277637727 0.397837682672124 1278 Daughter cell-specific protein, may regulate cross-talk between the mating and filamentation pathways; deletion affects cell separation after division and sensitivity to alpha-factor and drugs affecting the cell wall; relocalizes from bud neck to cytoplasm upon DNA replication stress cytokinesis, completion of separation|regulation of pheromone-dependent signal transduction involved in conjugation with cellular fusion|invasive growth in response to glucose limitation molecular_function cellular bud neck YHR059W FYV4 hom FT MITOCHONDRION 0.0145862748571771 0.398262979328362 1279 Protein of unknown function, required for survival upon exposure to K1 killer toxin biological_process molecular_function mitochondrion YMR299C DYN3 hom FT CYTOSKELETON 0.0145590735111188 0.399143397601585 1280 Dynein light intermediate chain (LIC); localizes with dynein, null mutant is defective in nuclear migration nuclear migration along microtubule motor activity cytoplasmic dynein complex|cytoplasmic microtubule YGR122W YGR122W hom FF|FT TRANSCRIPTION FROM RNA POL II 0.0145583544624334 0.399166686719394 1281 Protein that may be involved in pH regulation; probable ortholog of A. nidulans PalC, which is involved in pH regulation and binds to the ESCRT-III complex; null mutant does not properly process Rim101p and has decreased resistance to rapamycin; GFP-fusion protein is cytoplasmic; relative distribution to cytoplasm increases upon DNA replication stress negative regulation of transcription from RNA polymerase II promoter|nuclear-transcribed mRNA catabolic process, non-stop decay molecular_function cytoplasm YIL068C SEC6 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|SITE OF POLARIZED GROWTH 0.0145577236996595 0.3992574226906 1282 Essential 88kDa subunit of the exocyst complex; the exocyst mediates polarized targeting and tethering of post-Golgi secretory vesicles to active sites of exocytosis at the plasma membrane prior to SNARE-mediated fusion; anchors the assembled complex to sites of secretion; interacts with SM-like protein and SNARE regulator Sec1p and may recruit it to sites of secretion; interacts with Sec9p and inhibits formation of the t-SNARE complex between Sec9p and Sso1p exocyst localization|Golgi to plasma membrane transport|exocytosis|vesicle fusion|negative regulation of SNARE complex assembly|vesicle docking involved in exocytosis protein homodimerization activity mating projection tip|cellular bud neck|cellular bud tip|exocyst YAL026C DRS2 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RIBOSOME BIOGENESIS|ION HOMEOSTASIS|ION HOMEOSTASIS|GOLGI APPARATUS 0.0145294815607549 0.40017278632599 1283 Aminophospholipid translocase (flippase) that maintains membrane lipid asymmetry in post-Golgi secretory vesicles; contributes to clathrin-coated vesicle formation and endocytosis; mutations in human homolog ATP8B1 result in liver disease intracellular protein transport|post-Golgi vesicle-mediated transport|phospholipid translocation|endocytosis|ribosomal small subunit assembly phospholipid-translocating ATPase activity trans-Golgi network|integral to membrane YKL090W CUE2 hom 0.0145191348693074 0.400438199779538 1284 Protein of unknown function; has two CUE domains that bind ubiquitin, which may facilitate intramolecular monoubiquitination biological_process ubiquitin binding cellular_component YKL122C SRP21 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|NUCLEUS 0.0145012795307235 0.4010178811971 1285 Subunit of the signal recognition particle (SRP), which functions in protein targeting to the endoplasmic reticulum membrane; not found in mammalian SRP; forms a pre-SRP structure in the nucleolus that is translocated to the cytoplasm SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition|protein targeting to ER signal sequence binding nucleus|signal recognition particle, endoplasmic reticulum targeting YER110C KAP123 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0144816452025219 0.40200706674832 1286 Karyopherin beta, mediates nuclear import of ribosomal proteins prior to assembly into ribosomes and import of histones H3 and H4; localizes to the nuclear pore, nucleus, and cytoplasm; exhibits genetic interactions with RAI1 NLS-bearing substrate import into nucleus|Unknown|protein import into nucleus|ribosomal protein import into nucleus protein transporter activity|nuclear localization sequence binding integral to membrane|nucleus|nuclear pore|cytoplasm YER165W PAB1 het FF|FT RNA PROCESSING|TRANSLATION|RNA LOCALIZATION|NUCLEUS|RIBOSOME 0.0144667602068202 0.402139993525984 1287 Poly(A) binding protein, part of the 3'-end RNA-processing complex, mediates interactions between the 5' cap structure and the 3' mRNA poly(A) tail, involved in control of poly(A) tail length, interacts with translation factor eIF-4G regulation of nuclear-transcribed mRNA poly(A) tail shortening|regulation of translational initiation poly(A) RNA binding ribosome|nucleus|cytoplasmic stress granule|cytoplasm YMR113W FOL3 het FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM 0.0144640935745362 0.402226755429955 1288 Dihydrofolate synthetase, involved in folic acid biosynthesis; catalyzes the conversion of dihydropteroate to dihydrofolate in folate coenzyme biosynthesis folic acid-containing compound biosynthetic process dihydrofolate synthase activity cytoplasm YJL143W TIM17 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0144578571854813 0.40242970722039 1289 Essential subunit of the Translocase of the Inner Mitochondrial membrane (TIM23 complex); with Tim23p, contributes to the architecture and function of the import channel; may link the import motor to the core TIM23 complex protein import into mitochondrial matrix|mitochondrial genome maintenance protein channel activity mitochondrion|integral to membrane|mitochondrial inner membrane presequence translocase complex YLR122C_d YLR122C hom 0.0144284247734278 0.403388358853461 1290 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the dubious ORF YLR123C Unknown Unknown Unknown YPR184W GDB1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS|MITOCHONDRION 0.0144187937325132 0.403702350922786 1291 Glycogen debranching enzyme; contains glucanotranferase and alpha-1,6-amyloglucosidase activities; required for glycogen degradation; phosphorylated in mitochondria; activity is inhibited by Igd1p; protein abundance increases in response to DNA replication stress glycogen catabolic process 4-alpha-glucanotransferase activity|amylo-alpha-1,6-glucosidase activity mitochondrion|cytoplasm YDL063C SYO1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0143831258755266 0.405146790814386 1292 Transport adaptor or symportin; facilitates synchronized nuclear coimport of the two 5S-rRNA binding proteins Rpl5p and Rpl11p; required for biogenesis of the large ribosomal subunit; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus ribosomal large subunit biogenesis molecular_function nucleus|cytoplasm YPL158C AIM44 hom FT SITE OF POLARIZED GROWTH 0.0143822721393218 0.405034481531557 1293 Protein of unknown function; GFP-fusion protein localizes to the bud neck; transcription is regulated by Swi5p; null mutant displays elevated frequency of mitochondrial genome loss; relocalizes from bud neck to cytoplasm upon DNA replication stress biological_process molecular_function cellular bud neck YPL250C ICY2 hom 0.014378842951536 0.405006390878299 1294 Protein of unknown function; mobilized into polysomes upon a shift from a fermentable to nonfermentable carbon source; potential Cdc28p substrate mitochondrion degradation molecular_function cellular_component YPL005W AEP3 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0143593415335518 0.405994118690531 1295 Protein that may facilitate use of unformylated tRNA-Met in mitochondrial translation initiation; localized to the matrix face of the mitochondrial inner membrane; stabilizes the bicistronic AAP1-ATP6 mRNA mRNA metabolic process|mitochondrial translational initiation molecular_function mitochondrion|mitochondrial inner membrane|cytoplasm|extrinsic to membrane YNL191W DUG3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0143491355625024 0.405977704427796 1296 Component of glutamine amidotransferase (GATase II); forms a complex with Dug2p to degrade glutathione (GSH) and other peptides containing a gamma-glu-X bond in an alternative pathway to GSH degradation by gamma-glutamyl transpeptidase (Ecm38p) glutathione catabolic process peptidase activity|omega peptidase activity|gamma-glutamyltransferase activity|carbon-nitrogen ligase activity, with glutamine as amido-N-donor cytoplasm YGR014W MSB2 hom FT SIGNALING|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0143429394753342 0.406180466966341 1297 Mucin family member involved in signaling; functions in the Cdc42p- and MAP kinase-dependent filamentous growth signaling pathway; is processed into secreted and cell-associated forms by the aspartyl protease, Yps1p; also functions as an osmosensor in parallel to the Sho1p-mediated pathway; potential Cdc28p substrate signal transduction involved in filamentous growth|osmosensory signaling pathway via Sho1 osmosensor|establishment of cell polarity|hyperosmotic response|response to osmotic stress osmosensor activity site of polarized growth|integral to plasma membrane YLR215C CDC123 het FT CELL CYCLE|TRANSLATION|CELL DIVISION 0.0143114618793743 0.407281427016697 1298 Protein involved in nutritional control of the cell cycle; regulates abundance of the translation initiation factor eIF2; ortholog of human D123 protein regulation of mitotic cell cycle|regulation of translation molecular_function cytoplasm YLR419W_p YLR419W hom FT MITOCHONDRION 0.0142951941522814 0.407744924739717 1299 Putative helicase with limited sequence similarity to human Rb protein; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; YLR419W is not an essential gene biological_process molecular_function mitochondrion|cytoplasm YBL015W ACH1 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0142915482099391 0.407864537663011 1300 Protein with CoA transferase activity, particularly for CoASH transfer from succinyl-CoA to acetate; has minor acetyl-CoA-hydrolase activity; phosphorylated; required for acetate utilization and for diploid pseudohyphal growth acetate metabolic process acetate CoA-transferase activity|acetyl-CoA hydrolase activity cytosol|mitochondrion YLR253W_p YLR253W hom FT MITOCHONDRION 0.014275646047292 0.408386486388791 1301 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; transcription is periodic during the metabolic cycle; YLR253W is not an essential gene biological_process molecular_function mitochondrion YDR476C_p YDR476C hom FT ENDOPLASMIC RETICULUM 0.0142730097439271 0.408682765060872 1302 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; YDR476C is not an essential gene biological_process molecular_function endoplasmic reticulum YCL063W VAC17 hom 0.0142723178058598 0.408495777888215 1303 Phosphoprotein involved in vacuole inheritance; degraded in late M phase of the cell cycle; acts as a vacuole-specific receptor for myosin Myo2p vacuole inheritance protein anchor fungal-type vacuole membrane YLL037W_d YLL037W het 0.0142505614516289 0.409210633340916 1304 Dubious open reading frame unlikely to encode a functional protein; overlaps 3' end of essential PRP19 gene encoding an RNA splicing factor Unknown Unknown Unknown YPL256C CLN2 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0142467721074949 0.40933521705795 1305 G1 cyclin involved in regulation of the cell cycle; activates Cdc28p kinase to promote the G1 to S phase transition; late G1 specific expression depends on transcription factor complexes, MBF (Swi6p-Mbp1p) and SBF (Swi6p-Swi4p) regulation of cyclin-dependent protein kinase activity|re-entry into mitotic cell cycle after pheromone arrest cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex|nucleus|cytoplasm YDR334W SWR1 hom FF|FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0142325879671356 0.409801754646061 1306 Swi2/Snf2-related ATPase that is the structural component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A chromatin remodeling|histone exchange structural molecule activity Swr1 complex|nucleus YOR177C MPC54 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|NUCLEUS|CYTOSKELETON 0.0142194411276406 0.410234455927188 1307 Component of the meiotic outer plaque, a membrane-organizing center which is assembled on the cytoplasmic face of the spindle pole body during meiosis II and triggers the formation of the prospore membrane; potential Cdc28p substrate ascospore wall assembly|vesicle docking structural molecule activity spindle pole body YKL077W_p YKL077W hom 0.0141713482553884 0.411819644976538 1308 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the vacuole biological_process molecular_function fungal-type vacuole YIL164C NIT1 hom 0.0141589406607899 0.412298905617056 1309 Nitrilase, member of the nitrilase branch of the nitrilase superfamily; in closely related species and other S. cerevisiae strain backgrounds YIL164C and adjacent ORF, YIL165C, likely constitute a single ORF encoding a nitrilase gene biological_process nitrilase activity cellular_component YOR280C FSH3 hom 0.0141460755243322 0.412654113155858 1310 Putative serine hydrolase; likely target of Cyc8p-Tup1p-Rfx1p transcriptional regulation; sequence is similar to S. cerevisiae Fsh1p and Fsh2p and the human candidate tumor suppressor OVCA2 biological_process molecular_function cellular_component YIL162W SUC2 hom FT CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0141290995737146 0.413215195863271 1311 Invertase, sucrose hydrolyzing enzyme; a secreted, glycosylated form is regulated by glucose repression, and an intracellular, nonglycosylated enzyme is produced constitutively sucrose catabolic process beta-fructofuranosidase activity mitochondrion|extracellular region|cytoplasm YIL071C PCI8 hom FT NUCLEUS 0.0141195617970852 0.413530632908661 1312 Possible shared subunit of Cop9 signalosome (CSN) and eIF3, binds eIF3b subunit Prt1p, has possible dual functions in transcriptional and translational control, contains a PCI (Proteasome-COP9 signalosome (CSN)-eIF3) domain cullin deneddylation molecular_function signalosome YHL015W-A_p YHL015W-A hom 0.0141166255691849 0.413976125782927 1313 Putative protein of unknown function biological_process molecular_function cellular_component YKR067W GPT2 hom FT LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.0141056683110527 0.413990378544651 1314 Glycerol-3-phosphate/dihydroxyacetone phosphate dual substrate-specific sn-1 acyltransferase located in lipid particles and the ER; involved in the stepwise acylation of glycerol-3-phosphate and dihydroxyacetone in lipid biosynthesis; the most conserved motifs and functionally relevant residues are oriented towards the ER lumen phospholipid biosynthetic process glycerol-3-phosphate O-acyltransferase activity|glycerone-phosphate O-acyltransferase activity integral to membrane|lipid particle|endoplasmic reticulum|cytoplasm YBL098W BNA4 hom FT OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.014080814806044 0.414813552928978 1315 Kynurenine 3-mono oxygenase, required for the de novo biosynthesis of NAD from tryptophan via kynurenine; expression regulated by Hst1p; putative therapeutic target for Huntington disease de novo NAD biosynthetic process from tryptophan kynurenine 3-monooxygenase activity mitochondrial outer membrane|mitochondrion YBR004C GPI18 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0140537947932331 0.41570958074816 1316 Functional ortholog of human PIG-V, which is a mannosyltransferase that transfers the second mannose in glycosylphosphatidylinositol biosynthesis; the authentic, non-tagged protein was localized to mitochondria GPI anchor biosynthetic process mannosyltransferase activity|dolichyl-phosphate-mannose-glycolipid alpha-mannosyltransferase activity integral to endoplasmic reticulum membrane|mitochondrion|mannosyltransferase complex|integral to membrane|endoplasmic reticulum YOR259C RPT4 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0140396326998153 0.416249183840209 1317 One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in degradation of ubiquitinated substrates; contributes preferentially to ERAD; required for spindle pole body duplication; mainly nuclear localization ER-associated protein catabolic process|positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription elongation from RNA polymerase II promoter|nucleotide-excision repair|proteasome regulatory particle assembly ATPase activity|protein domain specific binding proteasome regulatory particle, base subcomplex|nucleus YAL032C PRP45 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0140250634860467 0.41666361007808 1318 Protein required for pre-mRNA splicing; associates with the spliceosome and interacts with splicing factors Prp22p and Prp46p; orthologous to human transcriptional coactivator SKIP and can activate transcription of a reporter gene generation of catalytic spliceosome for second transesterification step first spliceosomal transesterification activity|second spliceosomal transesterification activity nucleus|post-mRNA release spliceosomal complex|U2-type catalytic step 2 spliceosome|U2-type catalytic step 1 spliceosome YGL218W_d YGL218W hom 0.0140161164099879 0.417308481553068 1319 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 93% of ORF overlaps the verified gene MDM34; deletion in cyr1 mutant results in loss of stress resistance Unknown Unknown Unknown YDL144C YDL144C hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0139958937074387 0.417633518364746 1320 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; YDL144C is not an essential gene; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus|cytoplasm YFR012W DCV1 hom 0.0139947472862461 0.417671664523834 1321 Protein of unknown function; deletion mutant shows strong genetic interaction with cdc28-as1 mutant in the presence of 1-NM-PP1; DCV1 has a paralog, YOL019W, that arose from the whole genome duplication biological_process molecular_function integral to membrane YIR021W-A_p YIR021W-A hom 0.0139648001729136 0.418668855154624 1322 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YPL007C TFC8 het FT NUCLEUS 0.0139600822746384 0.418826081167194 1323 One of six subunits of RNA polymerase III transcription initiation factor complex (TFIIIC); part of TFIIIC TauB domain that binds BoxB promoter sites of tRNA and other genes; linker between TauB and TauA domains; human homolog is TFIIIC-90 transcription from a RNA polymerase III hybrid type promoter|transcription from RNA polymerase III type 2 promoter|5S class rRNA transcription from RNA polymerase III type 1 promoter|transcription from RNA polymerase III promoter RNA polymerase III type 1 promoter sequence-specific DNA binding|RNA polymerase III type 2 promoter sequence-specific DNA binding|RNA polymerase III type 2 promoter sequence-specific DNA binding TFIIIB recruiting transcription factor activity|RNA polymerase III type 1 promoter sequence-specific DNA binding TFIIIB recruiting transcription factor activity|DNA binding, bending transcription factor TFIIIC complex YNL084C END3 hom FF|FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.0139561774921223 0.418956236004414 1324 EH domain-containing protein involved in endocytosis, actin cytoskeletal organization and cell wall morphogenesis; forms a complex with Sla1p and Pan1p bipolar cellular bud site selection|ascospore wall assembly|endocytosis|actin filament organization|cytokinesis|actin cortical patch assembly protein binding, bridging mating projection tip|actin cortical patch YMR242W-A_p YMR242W-A hom 0.0139552357613036 0.418987629486682 1325 Putative protein of unknown function biological_process molecular_function cellular_component YMR141C_d YMR141C hom 0.0139305713474933 0.419810333344097 1326 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR331C_d JIP3 hom 0.0139302035688749 0.419891930082218 1327 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 98% of ORF overlaps the verified gene MID2 Unknown Unknown Unknown YGR145W ENP2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0139295373461347 0.419844844109723 1328 Essential nucleolar protein, required for biogenesis of the small ribosomal subunit; contains WD repeats, interacts with Mpp10p and Bfr2p, and has homology to Spb1p ribosomal small subunit biogenesis|rRNA processing molecular_function nucleolus|90S preribosome YER144C UBP5 hom FT PROTEOLYSIS|SITE OF POLARIZED GROWTH 0.0138973589601344 0.420919660640187 1329 Putative ubiquitin-specific protease, closest paralog of Doa4p but has no functional overlap; concentrates at the bud neck protein deubiquitination ubiquitin-specific protease activity incipient cellular bud site|cellular bud neck YMR279C YMR279C hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0138907501298298 0.421140607235304 1330 Putative boron transporter involved in boron efflux and resistance; overexpression mutant but not null mutant displays boron tolerance phenotype; identified as a heat-induced gene in a high-throughout screen; YMR279C is not an essential gene; YMR279C has a paralog, ATR1, that arose from the whole genome duplication borate transmembrane transport borate efflux transmembrane transporter activity integral to membrane YGR148C RPL24B hom FT TRANSLATION|RIBOSOME 0.0138876495954888 0.421244287823788 1331 Ribosomal 60S subunit protein L24B; not essential for translation but may be required for normal translation rate; homologous to mammalian ribosomal protein L24, no bacterial homolog; RPL24B has a paralog, RPL24A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YFR039C_p YFR039C hom 0.0138870843740945 0.421263190207027 1332 Putative protein of unknown function; may be involved in response to high salt and changes in carbon source; deletion mutant has decreased spore survival in Drosophila feces biological_process molecular_function cellular_component YJR111C_p YJR111C hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0138821190196177 0.421429265160592 1333 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the mitochondria biological_process molecular_function mitochondrion YFL010C WWM1 hom FT NUCLEUS|MITOCHONDRION 0.0138708330144089 0.423194479547389 1334 WW domain containing protein of unknown function; binds to Mca1p, a caspase-related protease that regulates H2O2-induced apoptosis; overexpression causes G1 phase growth arrest and clonal death that is suppressed by overexpression of MCA1 biological_process molecular_function mitochondrion|nucleus|cytoplasm YMR309C NIP1 het FT TRANSLATION 0.0138561140989196 0.42250729791278 1335 eIF3c subunit of the eukaryotic translation initiation factor 3 (eIF3), involved in the assembly of preinitiation complex and start codon selection translational initiation translation initiation factor activity multi-eIF complex|eukaryotic translation initiation factor 3 complex|cytoplasmic stress granule|cytoplasm YMR159C ATG16 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0138539761271945 0.422371278520138 1336 Conserved protein involved in autophagy; interacts with Atg12p-Atg5p conjugates to form Atg12p-Atg5p-Atg16p multimers, which localize to the pre-autophagosomal structure and are required for autophagy; relocalizes from nucleus to cytoplasmic foci upon DNA replication stress C-terminal protein lipidation|piecemeal microautophagy of nucleus|mitochondrion degradation|macroautophagy|CVT pathway protein binding, bridging|Atg8 ligase activity Atg12-Atg5-Atg16 complex|pre-autophagosomal structure YHR051W COX6 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0138266220590344 0.4232880688074 1337 Subunit VI of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain; expression is regulated by oxygen levels mitochondrial electron transport, cytochrome c to oxygen cytochrome-c oxidase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex IV YOR091W TMA46 hom FT TRANSLATION 0.013793503375452 0.4243996208293 1338 Protein of unknown function that associates with translating ribosomes; interacts with GTPase Rbg1p cytoplasmic translation molecular_function polysomal ribosome|ribosome|cytoplasm YFL056C AAD6 hom FT OXIDATION-REDUCTION PROCESS 0.01379009045577 0.424514264441865 1339 Putative aryl-alcohol dehydrogenase; involved in oxidative stress response; similar to P. chrysosporium aryl-alcohol dehydrogenase; expression induced in cells treated with the mycotoxin patulin cellular aldehyde metabolic process aryl-alcohol dehydrogenase (NAD+) activity cellular_component YJR031C GEA1 hom FT VESICLE-MEDIATED TRANSPORT|SIGNALING|CYTOSKELETON ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|GOLGI APPARATUS 0.0137830835331861 0.424749691142047 1340 Guanine nucleotide exchange factor for ADP ribosylation factors (ARFs); involved in vesicular transport between the Golgi and ER, Golgi organization, and actin cytoskeleton organization; GEA1 has a paralog, GEA2, that arose from the whole genome duplication retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport|macroautophagy|intra-Golgi vesicle-mediated transport|actin cytoskeleton organization ARF guanyl-nucleotide exchange factor activity integral to membrane|Golgi cis cisterna|Golgi-associated vesicle|extrinsic to membrane YGR202C PCT1 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|NUCLEUS|GOLGI APPARATUS 0.0137676639886295 0.425475190469085 1341 Cholinephosphate cytidylyltransferase; a rate-determining enzyme of the CDP-choline pathway for phosphatidylcholine synthesis, inhibited by Sec14p, activated upon lipid-binding; contains an element within the regulatory domain involved in both silencing and activation of enzymatic activity phosphatidylcholine biosynthetic process|CDP-choline pathway choline-phosphate cytidylyltransferase activity nuclear envelope|Golgi apparatus|nucleus YDR379C-A YDR379C-A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.013746736256567 0.425972152223738 1342 Protein involved in the assembly of the mitochondrial succinate dehydrogenase complex; mutations in human ortholog SDHAF1 are associated with infantile leukoencephalopathy mitochondrial respiratory chain complex II assembly molecular_function mitochondrion YCR036W RBK1 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.0137463229263756 0.425986065469562 1343 Putative ribokinase D-ribose metabolic process ribokinase activity|ATP binding nucleus|cytoplasm YNL279W PRM1 hom FT MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0137111838601715 0.427238790187867 1344 Pheromone-regulated multispanning membrane protein involved in membrane fusion during mating; predicted to have 5 transmembrane segments and a coiled coil domain; localizes to the shmoo tip; regulated by Ste12p plasma membrane fusion involved in cytogamy|response to pheromone molecular_function integral to membrane|mating projection tip YLR221C RSA3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0137106990051513 0.427186209683438 1345 Protein with a likely role in ribosomal maturation, required for accumulation of wild-type levels of large (60S) ribosomal subunits; binds to the helicase Dbp6p in pre-60S ribosomal particles in the nucleolus ribosomal large subunit assembly molecular_function nucleolus|preribosome, large subunit precursor YAL031C GIP4 hom FT CHROMOSOME SEGREGATION 0.0136768024916676 0.428329984927524 1346 Cytoplasmic Glc7-interacting protein whose overexpression relocalizes Glc7p from the nucleus and prevents chromosome segregation; potential Cdc28p substrate chromosome segregation|regulation of phosphoprotein phosphatase activity protein phosphatase 1 binding|protein phosphatase type 1 regulator activity cytoplasm YGR030C POP6 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0136702504071598 0.428551278154392 1347 Subunit of both RNase MRP and nuclear RNase P; RNase MRP cleaves pre-rRNA, while nuclear RNase P cleaves tRNA precursors to generate mature 5' ends and facilitates turnover of nuclear RNAs tRNA processing|intronic box C/D snoRNA processing|mRNA cleavage|rRNA processing ribonuclease MRP activity|ribonuclease P activity nucleolar ribonuclease P complex|ribonuclease MRP complex YDR167W TAF10 het FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|RNA POL II, HOLOENZYME|HISTONE ACETYLTRANSFERASE 0.0136692855023465 0.428583872924543 1348 Subunit (145 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification histone acetylation|RNA polymerase II transcriptional preinitiation complex assembly|chromatin modification|transcription from RNA polymerase II promoter chromatin binding|RNA polymerase II core promoter sequence-specific DNA binding transcription factor activity involved in preinitiation complex assembly|protein complex scaffold SLIK (SAGA-like) complex|SAGA complex|transcription factor TFIID complex YBR196C-A_p YBR196C-A hom 0.0136691945658978 0.428724660806413 1349 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YBR242W_p YBR242W hom FT NUCLEUS 0.0136608713516444 0.428868166507474 1350 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; YBR242W is not an essential gene biological_process molecular_function nucleus|cytoplasm YBR060C ORC2 het FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0136534395558052 0.429601449825785 1351 Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing; interacts with Spp1p and with trimethylated histone H3; phosphorylated by Cdc28p histone H3-K4 methylation|DNA replication initiation|pre-replicative complex assembly|chromatin silencing at silent mating-type cassette|chromatin silencing at telomere chromatin binding|DNA replication origin binding DNA replication preinitiation complex|pre-replicative complex|nuclear origin of replication recognition complex YKL155C RSM22 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0136513319551617 0.429397109771369 1352 Mitochondrial ribosomal protein of the small subunit; also predicted to be an S-adenosylmethionine-dependent methyltransferase mitochondrial translation structural constituent of ribosome|S-adenosylmethionine-dependent methyltransferase activity mitochondrion|mitochondrial small ribosomal subunit YPL206C PGC1 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0136444124414227 0.429424589638863 1353 Phosphatidyl Glycerol phospholipase C; regulates the phosphatidylglycerol (PG) content via a phospholipase C-type degradation mechanism; contains glycerophosphodiester phosphodiesterase motifs glycerophospholipid catabolic process|phosphatidylglycerol catabolic process phosphatidylglycerol phospholipase C activity mitochondrion|lipid particle YKL181W PRS1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM 0.0136329770456362 0.429811430562567 1354 5-phospho-ribosyl-1(alpha)-pyrophosphate synthetase, synthesizes PRPP, which is required for nucleotide, histidine, and tryptophan biosynthesis; one of five related enzymes, which are active as heteromultimeric complexes fungal-type cell wall organization|5-phosphoribose 1-diphosphate biosynthetic process ribose phosphate diphosphokinase activity cytoplasm YOR294W RRS1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0136322737659838 0.430179293537228 1355 Essential protein that binds ribosomal protein L11; required for nuclear export of the 60S pre-ribosomal subunit during ribosome biogenesis; localizes to the nucleolus and in foci along nuclear periphery; cooperates with Ebp2p and Mps3p to mediate telomere clustering by binding Sir4p, but is not involved in telomere tethering; mouse homolog shows altered expression in Huntington's disease model mice endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal large subunit biogenesis|ribosomal large subunit export from nucleus molecular_function nucleoplasm|nuclear periphery|nucleolus|preribosome, large subunit precursor YLR292C SEC72 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0135877496965447 0.431343379636658 1356 Non-essential subunit of Sec63 complex (Sec63p, Sec62p, Sec66p and Sec72p); with Sec61 complex, Kar2p/BiP and Lhs1p forms a channel competent for SRP-dependent and post-translational SRP-independent protein targeting and import into the ER posttranslational protein targeting to membrane, translocation protein transporter activity Sec62/Sec63 complex|endoplasmic reticulum membrane YPR012W_d YPR012W hom 0.0135604043210235 0.432408460151876 1357 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YPR012W is not an essential gene Unknown Unknown Unknown YJR060W CBF1 hom FF|FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|LIPID METABOLISM|AMINO ACID METABOLISM|CHROMATIN ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|CHROMOSOME SEGREGATION|NUCLEUS|MITOCHONDRION|CHROMOSOME|KINETOCHORE 0.0135304367124682 0.433289233831129 1358 Dual function helix-loop-helix protein; binds the motif CACRTG present at several sites including MET gene promoters and centromere DNA element I (CDEI); affects nucleosome positioning at this motif; associates with other transcription factors such as Met4p and Isw1p to mediate transcriptional activation or repression; associates with kinetochore proteins and required for efficient chromosome segregation; protein abundance increases in response to DNA replication stress regulation of transcription from RNA polymerase II promoter in response to methionine|negative regulation of transcription from RNA polymerase II promoter|methionine biosynthetic process|chromosome segregation|Unknown|chromatin remodeling|negative regulation of ceramide biosynthetic process by negative regulation of transcription from RNA Polymerase II promoter RNA polymerase II activating transcription factor binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in negative regulation of transcription|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription|RNA polymerase II transcription factor binding transcription factor activity|RNA polymerase II repressing transcription factor binding|centromeric DNA binding chromosome, centromeric region|mitochondrion|nucleus|kinetochore YGR285C ZUO1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|MITOCHONDRION|RIBOSOME 0.0135170901916785 0.433743093922886 1359 Ribosome-associated chaperone, functions in ribosome biogenesis and, in partnership with Ssz1p and SSb1/2, as a chaperone for nascent polypeptide chains; contains a DnaJ domain and functions as a J-protein partner for Ssb1p and Ssb2p protein folding|ribosomal subunit export from nucleus|rRNA processing|regulation of translational fidelity unfolded protein binding mitochondrion|ribosome|nucleolus|polysome|cytoplasm YFL036W RPO41 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0135151381277493 0.434083810780541 1360 Mitochondrial RNA polymerase; single subunit enzyme similar to those of T3 and T7 bacteriophages; requires a specificity subunit encoded by MTF1 for promoter recognition; Mtf1p interacts with and stabilizes the Rpo41p-promoter complex, enhancing DNA bending and melting to facilitate pre-initiation open complex formation transcription from mitochondrial promoter|mitochondrial genome maintenance DNA-directed RNA polymerase activity mitochondrial nucleoid|mitochondrion|mitochondrial DNA-directed RNA polymerase complex|mitochondrial matrix YDL015C TSC13 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0135084787074436 0.434036080713917 1361 Enoyl reductase; catalyzes the last step in each cycle of very long chain fatty acid elongation; localizes to the ER, highly enriched in a structure marking nuclear-vacuolar junctions; coimmunoprecipitates with elongases Fen1p and Sur4p; protein increases in abundance and relative distribution to ER foci increases upon DNA replication stress very long-chain fatty acid metabolic process oxidoreductase activity mitochondrion|integral to membrane|endoplasmic reticulum membrane YLR165C PUS5 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION 0.0134826294024583 0.434916232707268 1362 Pseudouridine synthase, catalyzes only the formation of pseudouridine (Psi)-2819 in mitochondrial 21S rRNA; not essential for viability rRNA modification|pseudouridine synthesis pseudouridylate synthase activity mitochondrion YHR109W CTM1 hom 0.013455745039097 0.435832719388841 1363 Cytochrome c lysine methyltransferase, trimethylates residue 72 of apo-cytochrome c (Cyc1p) in the cytosol; not required for normal respiratory growth peptidyl-lysine methylation [cytochrome c]-lysine N-methyltransferase activity cytosol YMR296C LCB1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0134332156187861 0.436601602844351 1364 Component of serine palmitoyltransferase, responsible along with Lcb2p for the first committed step in sphingolipid synthesis, which is the condensation of serine with palmitoyl-CoA to form 3-ketosphinganine sphingolipid biosynthetic process serine C-palmitoyltransferase activity SPOTS complex|serine C-palmitoyltransferase complex YCL001W RER1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0134299180664739 0.436714207117043 1365 Protein involved in retention of membrane proteins, including Sec12p, in the ER; localized to Golgi; functions as a retrieval receptor in returning membrane proteins to the ER protein retention in ER lumen|retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport molecular_function COPI-coated vesicle|integral to membrane|ER to Golgi transport vesicle YAR007C RFA1 het FT PROTEIN LOCALIZATION|CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.013412791431723 0.437778101788331 1366 Subunit of heterotrimeric Replication Protein A (RPA), which is a highly conserved single-stranded DNA binding protein involved in DNA replication, repair, and recombination establishment of protein localization|telomere maintenance via telomerase|telomere maintenance via recombination|nucleotide-excision repair|DNA repair|mitotic recombination|heteroduplex formation|DNA unwinding involved in replication|reciprocal meiotic recombination|DNA replication|double-strand break repair via homologous recombination|protein ubiquitination double-stranded DNA binding|single-stranded DNA binding|sequence-specific DNA binding condensed nuclear chromosome|chromosome, telomeric region|DNA replication factor A complex|cytoplasm YBR027C_d YBR027C hom 0.0134098575089927 0.437399591915352 1367 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR005W SSL1 het FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|TRANSLATION|PROTEIN PHOSPHORYLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.0133850142761617 0.438454165277597 1368 Component of the core form of RNA polymerase transcription factor TFIIH, which has both protein kinase and DNA-dependent ATPase/helicase activities and is essential for transcription and nucleotide excision repair; interacts with Tfb4p phosphorylation of RNA polymerase II C-terminal domain|translational initiation|nucleotide-excision repair|transcription from RNA polymerase II promoter core RNA polymerase binding transcription factor activity core TFIIH complex|holo TFIIH complex|nucleotide-excision repair factor 3 complex YDR514C YDR514C hom FT NUCLEUS|MITOCHONDRION 0.0133572234789296 0.439200814092598 1369 Protein of unknown function that localizes to mitochondria; overexpression affects endocytic protein trafficking; YDR514C has a paralog, GFD2, that arose from the whole genome duplication biological_process molecular_function mitochondrion|nucleus YPL254W HFI1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0133557884653885 0.439249982145204 1370 Adaptor protein required for structural integrity of the SAGA complex, a histone acetyltransferase-coactivator complex that is involved in global regulation of gene expression through acetylation and transcription functions histone acetylation|chromatin modification|transcription from RNA polymerase II promoter transcription coactivator activity|transcription cofactor activity SLIK (SAGA-like) complex|Ada2/Gcn5/Ada3 transcription activator complex|SAGA complex YBR067C TIP1 hom FT CELL WALL ORG/BIOGENESIS 0.013351626266566 0.439392609966953 1371 Major cell wall mannoprotein with possible lipase activity; transcription is induced by heat- and cold-shock; member of the Srp1p/Tip1p family of serine-alanine-rich proteins fungal-type cell wall organization structural constituent of cell wall|lipase activity fungal-type cell wall YMR138W CIN4 hom FT SIGNALING 0.0133508631455875 0.439418763038278 1372 GTP-binding protein involved in beta-tubulin (Tub2p) folding; isolated as mutant with increased chromosome loss and sensitivity to benomyl; regulated by the GTPase-activating protein, Cin2p, the human retinitis pigmentosa 2 (RP2) homolog protein folding|tubulin complex assembly|tubulin complex biogenesis GTP binding cytoplasm YKL032C IXR1 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0133454302100664 0.439741421956591 1373 Protein that binds DNA containing intrastrand cross-links formed by cisplatin, contains two HMG (high mobility group box) domains, which confer the ability to bend cisplatin-modified DNA; mediates aerobic transcriptional repression of COX5b DNA repair|cellular response to hypoxia|negative regulation of transcription from RNA polymerase II promoter damaged DNA binding|sequence-specific DNA binding nuclear chromatin YIR015W RPR2 het FT RNA PROCESSING|NUCLEUS 0.0133398562670444 0.439796081324911 1374 Subunit of nuclear RNase P; nuclear RNase P cleaves tRNA precursors to generate mature 5' ends and facilitates turnover of nuclear RNAs; not shared between RNase MRP and RNase P, in contrast to all other RNase P protein subunits; protein abundance increases in response to DNA replication stress tRNA processing|intronic box C/D snoRNA processing ribonuclease P activity nucleolar ribonuclease P complex YER073W ALD5 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0133059440709136 0.440959766801625 1375 Mitochondrial aldehyde dehydrogenase, involved in regulation or biosynthesis of electron transport chain components and acetate formation; activated by K+; utilizes NADP+ as the preferred coenzyme; constitutively expressed acetate biosynthetic process aldehyde dehydrogenase [NAD(P)+] activity mitochondrion YDL032W_d YDL032W hom 0.0132916238259063 0.441451690291645 1376 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified gene SLM3/YDL033C; YDL032W is not an essential gene Unknown Unknown Unknown YKR005C_p YKR005C hom 0.0132807065578947 0.441826926993831 1377 Putative protein of unknown function biological_process molecular_function cellular_component YHR141C RPL42B hom FT TRANSLATION|RIBOSOME 0.0132801377680701 0.441846481832337 1378 Ribosomal 60S subunit protein L42B; required for propagation of the killer toxin-encoding M1 double-stranded RNA satellite of the L-A double-stranded RNA virus; homologous to mammalian ribosomal protein L36A, no bacterial homolog; RPL42B has a paralog, RPL42A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YJR076C CDC11 het FT CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0132713174872411 0.442422111826573 1379 Component of the septin ring that is required for cytokinesis; septins are GTP-binding proteins that assemble into rod-like hetero-oligomers that can associate with other rods to form filaments; septin rings at the mother-bud neck act as scaffolds for recruiting cell division factors and as barriers to prevent diffusion of specific proteins between mother and daughter cells maintenance of cell polarity|cell cycle cytokinesis|positive regulation of protein kinase activity structural molecule activity|GTP binding|1-phosphatidylinositol binding spindle microtubule|septin complex|prospore membrane|ascospore wall|mating projection base|meiotic spindle|cellular bud neck septin ring|septin filament array|cytoplasmic microtubule|mating projection tip YHR193C EGD2 hom FT PROTEIN LOCALIZATION|NUCLEUS 0.0132511276477925 0.442912513589842 1380 Alpha subunit of the heteromeric nascent polypeptide-associated complex (NAC) involved in protein sorting and translocation, associated with cytoplasmic ribosomes 'de novo' cotranslational protein folding unfolded protein binding|phosphatidic acid binding|phosphatidylinositol-3,5-bisphosphate binding|phosphatidylinositol-3-phosphate binding|phosphatidylinositol-4-phosphate binding nascent polypeptide-associated complex YLR239C LIP2 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0132503061376493 0.442872779005942 1381 Lipoyl ligase, involved in the modification of mitochondrial enzymes by the attachment of lipoic acid groups protein lipoylation ligase activity mitochondrion YKL002W DID4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|PROTEOLYSIS|VACUOLAR TRANSPORT 0.0132490109875176 0.443121447463001 1382 Class E Vps protein of the ESCRT-III complex, required for sorting of integral membrane proteins into lumenal vesicles of multivesicular bodies, and for delivery of newly synthesized vacuolar enzymes to the vacuole, involved in endocytosis protein retention in Golgi apparatus|intralumenal vesicle formation|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|late endosome to vacuole transport molecular_function ESCRT III complex|cytoplasm YDR480W DIG2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0132337367248254 0.443443404258069 1383 MAP kinase-responsive inhibitor of the Ste12p transcription factor, involved in the regulation of mating-specific genes and the invasive growth pathway; related regulators Dig1p and Dig2p bind to Ste12p negative regulation of transcription from RNA polymerase II promoter by pheromones|Unknown transcription factor binding nucleus YDR353W TRR1 het FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS 0.013233066826253 0.443466483368476 1384 Cytoplasmic thioredoxin reductase; key regulatory enzyme that determines the redox state of the thioredoxin system, which acts as a disulfide reductase system and protects cells against both oxidative and reductive stress; protein abundance increases in response to DNA replication stress; TRR1 has a paralog, TRR2, that arose from the whole genome duplication cellular response to oxidative stress|cell redox homeostasis ferrous iron binding|thioredoxin-disulfide reductase activity cytosol YPR145W ASN1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0132303907775152 0.443558684502765 1385 Asparagine synthetase; catalyzes the synthesis of L-asparagine from L-aspartate in the asparagine biosynthetic pathway; ASN1 has a paralog, ASN2, that arose from the whole genome duplication asparagine biosynthetic process asparagine synthase (glutamine-hydrolyzing) activity cytoplasm YNR060W FRE4 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.0131995084739643 0.444691407000237 1386 Ferric reductase, reduces a specific subset of siderophore-bound iron prior to uptake by transporters; expression induced by low iron levels siderophore transport ferric-chelate reductase activity integral to membrane|plasma membrane YER170W ADK2 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0131913176592087 0.445245764216451 1387 Mitochondrial adenylate kinase, catalyzes the reversible synthesis of GTP and AMP from GDP and ADP; may serve as a back-up for synthesizing GTP or ADP depending on metabolic conditions; 3' sequence of ADK2 varies with strain background nucleotide metabolic process nucleoside triphosphate adenylate kinase activity|adenylate kinase activity mitochondrion|mitochondrial inner membrane YOL056W GPM3 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0131579696772779 0.446058049006002 1388 Homolog of Gpm1p phosphoglycerate mutase, which converts 3-phosphoglycerate to 2-phosphoglycerate in glycolysis; may be non-functional derivative of a gene duplication event biological_process phosphoglycerate mutase activity|molecular_function cytosol YGR288W MAL13 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|NUCLEUS 0.0131572588112331 0.446082621762181 1389 MAL-activator protein, part of complex locus MAL1; nonfunctional in genomic reference strain S288C cellular carbohydrate metabolic process|regulation of transcription, DNA-dependent sequence-specific DNA binding transcription factor activity nucleus YHR047C AAP1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEOLYSIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0131507447141101 0.446307832724593 1390 Arginine/alanine amino peptidase; overproduction stimulates glycogen accumulation; AAP1 has a paralog, APE2, that arose from the whole genome duplication glycogen metabolic process|proteolysis aminopeptidase activity nucleus|cytoplasm YPL189W GUP2 hom 0.0131494290422721 0.446353327114429 1391 Probable membrane protein with a possible role in proton symport of glycerol; member of the MBOAT family of putative membrane-bound O-acyltransferases; Gup1p homolog glycerol transport O-acyltransferase activity integral to membrane|membrane YNL006W LST8 het FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS|PLASMA MEMBRANE 0.013144646568361 0.446518721684591 1392 Protein required for the transport of amino acid permease Gap1p from the Golgi to the cell surface; component of the TOR signaling pathway; associates with both Tor1p and Tor2p; contains a WD-repeat transport|TOR signaling cascade|fungal-type cell wall organization|signal transduction|regulation of cell growth|establishment or maintenance of actin cytoskeleton polarity|mitochondria-nucleus signaling pathway protein kinase activator activity|protein binding TORC1 complex|TORC2 complex|endosome membrane|extrinsic to internal side of plasma membrane|Golgi membrane YNR037C RSM19 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.013125899489668 0.44716739694485 1393 Mitochondrial ribosomal protein of the small subunit, has similarity to E. coli S19 ribosomal protein mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YOR139C_d YOR139C hom 0.0130894894083477 0.448428766207229 1394 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF SFL1/YOR140W Unknown Unknown Unknown YKL167C MRP49 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0130875192476794 0.448497076830254 1395 Mitochondrial ribosomal protein of the large subunit, not essential for mitochondrial translation mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YJL009W_d YJL009W het 0.0130667154374828 0.44921875967183 1396 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps CCT8/YJL008C, a verified gene encoding a subunit of the cytosolic chaperonin Cct ring complex Unknown Unknown Unknown YPL202C AFT2 hom FT TRANSCRIPTION FROM RNA POL II|ION HOMEOSTASIS|ION HOMEOSTASIS|RESPONSE TO NUTRIENT LEVELS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.0130640874071699 0.449377583497496 1397 Iron-regulated transcriptional activator; activates genes involved in intracellular iron use and required for iron homeostasis and resistance to oxidative stress; AFT2 has a paralog, AFT1, that arose from the whole genome duplication cellular response to oxidative stress|cellular iron ion homeostasis|positive regulation of transcription from RNA polymerase II promoter in response to iron ion starvation|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription mitochondrion|nucleus YJL170C ASG7 hom FT ENDOMEMBRANE SYSTEM|PLASMA MEMBRANE 0.0130494179193192 0.449819310489319 1398 Protein that regulates signaling from a G protein beta subunit Ste4p and its relocalization within the cell; specific to a-cells and induced by alpha-factor conjugation with cellular fusion molecular_function plasma membrane YNL205C_d YNL205C hom 0.0129961410104698 0.452009334995229 1399 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL013C PDR11 hom FT NUCLEOTIDE METABOLISM 0.0129888091683992 0.452264535951128 1400 ATP-binding cassette (ABC) transporter, multidrug transporter involved in multiple drug resistance; mediates sterol uptake when sterol biosynthesis is compromised; regulated by Pdr1p; required for anaerobic growth sterol transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|membrane YNR059W MNT4 hom FT CARBOHYDRATE METABOLISM 0.012983865623626 0.452166769583477 1401 Putative alpha-1,3-mannosyltransferase, not required for protein O-glycosylation protein O-linked glycosylation alpha-1,3-mannosyltransferase activity cellular_component YLR029C RPL15A het FT TRANSLATION|RIBOSOME 0.0129681689974461 0.452646262602005 1402 Ribosomal 60S subunit protein L15A; binds to 5.8 S rRNA; homologous to mammalian ribosomal protein L15, no bacterial homolog; RPL15A has a paralog, RPL15B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YIL012W_d YIL012W hom 0.0129573092937797 0.453227031582076 1403 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDR287W INM2 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM 0.0129539678195507 0.453613278065613 1404 Inositol monophosphatase, involved in biosynthesis of inositol; enzymatic activity requires magnesium ions and is inhibited by lithium and sodium ions; inm1 inm2 double mutant lacks inositol auxotrophy inositol phosphate dephosphorylation inositol monophosphate 1-phosphatase activity cellular_component YOR031W CRS5 hom 0.0129400234308545 0.453627885826941 1405 Copper-binding metallothionein, required for wild-type copper resistance response to metal ion copper ion binding cytoplasm YNL154C YCK2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL DIVISION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0129384337674229 0.453683363762746 1406 Palmitoylated plasma membrane-bound casein kinase I isoform; shares redundant functions with Yck1p in morphogenesis, proper septin assembly, endocytic trafficking; YCK2 has a paralog, YCK1, that arose from the whole genome duplication endocytosis|cell morphogenesis|protein phosphorylation|cytokinesis|response to glucose stimulus protein serine/threonine kinase activity|protein kinase activity plasma membrane|cellular bud neck|mating projection YDR213W UPC2 hom FT TRANSCRIPTION FROM RNA POL II|LIPID METABOLISM|NUCLEUS 0.0129378704324018 0.453703024605997 1407 Sterol regulatory element binding protein; induces transcription of sterol biosynthetic genes and of DAN/TIR gene products; relocates from intracellular membranes to perinuclear foci on sterol depletion; UPC2 has a paralog, ECM22, that arose from the whole genome duplication cellular response to hypoxia|positive regulation of ergosterol biosynthetic process by positive regulation of transcription from RNA polymerase II promoter|positive regulation of sterol import by positive regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus|membrane|cytoplasm|perinuclear region of cytoplasm YOR229W WTM2 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS 0.0129359085474464 0.45377149971153 1408 Transcriptional modulator involved in regulation of meiosis, silencing, and expression of RNR genes; involved in response to replication stress; contains WD repeats negative regulation of chromatin silencing at silent mating-type cassette|negative regulation of transcription from RNA polymerase II promoter during meiosis|cellular protein complex localization|negative regulation of chromatin silencing at telomere|response to DNA damage stimulus|positive regulation of transcription from RNA polymerase II promoter protein binding|sequence-specific DNA binding RNA polymerase II transcription factor activity|transcription corepressor activity nucleus YDR010C_d YDR010C hom 0.0129331913766421 0.4546076886391 1409 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL148C PPT2 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.0129173889699985 0.45441817022213 1410 Phosphopantetheine:protein transferase (PPTase), activates mitochondrial acyl carrier protein (Acp1p) by phosphopantetheinylation protein-cofactor linkage holo-[acyl-carrier-protein] synthase activity mitochondrion YMR142C RPL13B hom FT TRANSLATION|RIBOSOME 0.0129067157752984 0.454791094783357 1411 Ribosomal 60S subunit protein L13B; not essential for viability; homologous to mammalian ribosomal protein L13, no bacterial homolog; RPL13B has a paralog, RPL13A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YOL054W PSH1 hom FT PROTEOLYSIS|NUCLEUS|CHROMOSOME 0.0129048050752225 0.454857873387772 1412 E3 ubiquitin ligase that mediates poyubiquitination and degradation of centromere-binding protein Cse4p and prevents Cse4p from mislocalizing to euchromatin; ubiquitylation of Cse4p may be antagonized by Scm3p protein ubiquitination involved in ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity chromosome, centromeric region|nucleus YPR005C HAL1 hom FT TRANSCRIPTION FROM RNA POL II 0.0128781131180177 0.455791329282122 1413 Cytoplasmic protein involved in halotolerance; decreases intracellular Na+ (via Ena1p) and increases intracellular K+ by decreasing efflux; expression repressed by Ssn6p-Tup1p and Sko1p and induced by NaCl, KCl, and sorbitol through Gcn4p response to salt stress|positive regulation of transcription from RNA polymerase II promoter molecular_function cytoplasm YBR136W MEC1 het FT CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|MITOCHONDRION 0.0128752578515287 0.455891245777006 1414 Genome integrity checkpoint protein and PI kinase superfamily member; signal transducer required for cell cycle arrest and transcriptional responses prompted by damaged or unreplicated DNA; regulates P-body formation induced by replication stress; monitors and participates in meiotic recombination; associates with shortened, dysfunctional telomeres histone phosphorylation|telomere maintenance via recombination|telomere maintenance|nucleobase-containing compound metabolic process|reciprocal meiotic recombination|DNA recombination|DNA damage checkpoint|DNA replication|DNA damage induced protein phosphorylation protein kinase activity mitochondrion|nucleus YDR065W RRG1 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0128704039092039 0.45606113170635 1415 Protein of unknown function, required for vacuolar acidification and mitochondrial genome maintenance; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies mitochondrial genome maintenance|vacuolar acidification molecular_function mitochondrion YNL316C PHA2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0128690863157111 0.456107253062579 1416 Prephenate dehydratase, catalyzes the conversion of prephanate to phenylpyruvate, which is a step in the phenylalanine biosynthesis pathway L-phenylalanine biosynthetic process prephenate dehydratase activity cytoplasm YFR044C DUG1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|PROTEOLYSIS|MITOCHONDRION 0.0128595098781289 0.456442547736103 1417 Cys-Gly metallo-di-peptidase; forms a complex with Dug2p and Dug3p to degrade glutathione (GSH) and other peptides containing a gamma-glu-X bond in an alternative pathway to GSH degradation by gamma-glutamyl transpeptidase (Ecm38p) glutathione catabolic process metallodipeptidase activity|omega peptidase activity mitochondrion|ribosome|cytoplasm YKL027W YKL027W hom FT MITOCHONDRION 0.0128432030406878 0.457080917297685 1418 Protein of unknown function, localized to the mitochondrial outer membrane biological_process molecular_function mitochondrial outer membrane|mitochondrion YFR009W GCN20 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|NUCLEOTIDE METABOLISM|RIBOSOME 0.0127919070355515 0.459148520114073 1419 Positive regulator of the Gcn2p kinase activity, forms a complex with Gcn1p; proposed to stimulate Gcn2p activation by an uncharged tRNA regulation of translational elongation ATPase activity cytosol|cytosolic ribosome YDR440W DOT1 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS 0.0127847364413721 0.459802839444725 1420 Nucleosomal histone H3-Lys79 methylase; methylation is required for telomeric silencing, meiotic checkpoint control, and DNA damage response meiotic recombination checkpoint|postreplication repair|recombinational repair|global genome nucleotide-excision repair|nucleotide-excision repair|DNA damage checkpoint|chromatin silencing at telomere|histone H3-K79 methylation nucleosomal histone binding|histone methyltransferase activity (H3-K79 specific) nucleus YIL031W ULP2 het FT CELL CYCLE|PROTEOLYSIS|NUCLEUS 0.0127729114512591 0.459480853544865 1421 Peptidase that deconjugates Smt3/SUMO-1 peptides from proteins, plays a role in chromosome cohesion at centromeric regions and recovery from checkpoint arrest induced by DNA damage or DNA replication defects; potential Cdc28p substrate plasmid maintenance|protein desumoylation|chromosome condensation|mitotic cell cycle spindle assembly checkpoint cysteine-type peptidase activity|SUMO-specific protease activity nucleus YLR131C ACE2 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CELL DIVISION|NUCLEUS 0.0127653200713825 0.460350615794709 1422 Transcription factor required for septum destruction after cytokinesis; phosphorylation by Cbk1p blocks nuclear exit during M/G1 transition, causing localization to daughter cell nuclei, and also increases Ace2p activity; phosphorylation by Cdc28p and Pho85p prevents nuclear import during cell cycle phases other than cytokinesis; part of RAM network that regulates cellular polarity and morphogenesis; ACE2 has a paralog, SWI5, that arose from the whole genome duplication Unknown|regulation of transcription involved in G1 phase of mitotic cell cycle RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity|core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding cytosol|nucleus YMR146C TIF34 het FT TRANSLATION 0.0127551244368443 0.460173210021353 1423 eIF3i subunit of the core complex of translation initiation factor 3 (eIF3), which is essential for translation; stimulates rate of ribosomal scanning during translation reinitiation translation reinitiation|translational initiation translation initiation factor activity multi-eIF complex|eukaryotic translation initiation factor 3 complex YER156C_p YER156C hom FT NUCLEUS 0.0127531708697747 0.460175032938872 1424 Putative protein of unknown function; interacts with Hsp82p and copurifies with Ipl1p; expression is copper responsive and downregulated in strains deleted for MAC1, a copper-responsive transcription factor; similarity to mammalian MYG1 biological_process molecular_function nucleus|cytoplasm YGL177W_d YGL177W hom 0.0127221713586831 0.461266316430108 1425 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL322C KRE1 hom FT CELL WALL ORG/BIOGENESIS|PLASMA MEMBRANE 0.0126963551832699 0.462176231619166 1426 Cell wall glycoprotein involved in beta-glucan assembly; serves as a K1 killer toxin membrane receptor fungal-type cell wall organization structural constituent of cell wall fungal-type cell wall|integral to membrane YOL001W PHO80 hom FF|FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CELL CYCLE|SIGNALING|ION HOMEOSTASIS|PROTEIN PHOSPHORYLATION|ION HOMEOSTASIS|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0126776225398318 0.462837107502318 1427 Cyclin, interacts with cyclin-dependent kinase Pho85p; regulates the response to nutrient levels and environmental conditions, including the response to phosphate limitation and stress-dependent calcium signaling negative regulation of phosphate metabolic process|regulation of cyclin-dependent protein kinase activity|negative regulation of calcium-mediated signaling|negative regulation of transcription from RNA polymerase II promoter|cellular metal ion homeostasis|regulation of protein localization|negative regulation of macroautophagy cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex|nucleus YDR239C YDR239C hom 0.0126770082292951 0.462858788907856 1428 Protein of unknown function that may interact with ribosomes, based on co-purification experiments biological_process molecular_function ribosome|cytoplasm YNL082W PMS1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0126742645593021 0.462955630591316 1429 ATP-binding protein required for mismatch repair in mitosis and meiosis; functions as a heterodimer with Mlh1p, binds double- and single-stranded DNA via its N-terminal domain, similar to E. coli MutL mismatch repair|meiotic mismatch repair double-stranded DNA binding|DNA insertion or deletion binding|loop DNA binding|single-stranded DNA binding|dinucleotide insertion or deletion binding|ATPase activity|ATP binding nucleus|MutLalpha complex|cytoplasm YBR282W MRPL27 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0126322699649604 0.464439297017225 1430 Mitochondrial ribosomal protein of the large subunit; homolog of human Bcl-2 interacting protein BMRP mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YLR033W RSC58 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0126311319229713 0.4648126972394 1431 Component of the RSC chromatin remodeling complex; RSC functions in transcriptional regulation and elongation, chromosome stability, and establishing sister chromatid cohesion; involved in telomere maintenance nucleosome disassembly|transcription elongation from RNA polymerase II promoter|G1/S transition of mitotic cell cycle|chromatin remodeling molecular_function RSC complex YLR013W GAT3 hom FT NUCLEUS 0.0126221230395998 0.464798183579953 1432 Protein containing GATA family zinc finger motifs transcription, DNA-dependent sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YLR357W RSC2 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|RSC COMPLEX 0.0126197403327771 0.464882479876262 1433 Component of the RSC chromatin remodeling complex; required for expression of mid-late sporulation-specific genes; involved in telomere maintenance ATP-dependent chromatin remodeling|chromosome segregation|nucleosome disassembly|plasmid maintenance|sister chromatid cohesion|double-strand break repair via nonhomologous end joining|transcription elongation from RNA polymerase II promoter|double-strand break repair via homologous recombination DNA translocase activity RSC complex YHR163W SOL3 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0125718069957093 0.468513444324666 1434 6-phosphogluconolactonase; catalyzes the second step of the pentose phosphate pathway; weak multicopy suppressor of los1-1 mutation; homologous to Sol2p and Sol1p; SOL3 has a paralog, SOL4, that arose from the whole genome duplication pentose-phosphate shunt, oxidative branch 6-phosphogluconolactonase activity nucleus|cytoplasm YAR050W FLO1 hom FT PLASMA MEMBRANE 0.0125611585166503 0.466957680464637 1435 Lectin-like protein involved in flocculation, cell wall protein that binds to mannose chains on the surface of other cells, confers floc-forming ability that is chymotrypsin sensitive and heat resistant; similar to Flo5p cellular response to stress|flocculation via cell wall protein-carbohydrate interaction|flocculation mannose binding fungal-type cell wall YAR014C BUD14 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH 0.0125463308670997 0.467616544911779 1436 Protein involved in bud-site selection; Bud14p-Glc7p complex is a cortical regulator of dynein; inhibitor of the actin assembly factor Bnr1p (formin); diploid mutants display a random budding pattern instead of the wild-type bipolar pattern; relative distribution to the nucleus increases upon DNA replication stress regulation of cell shape during vegetative growth phase|regulation of protein localization|regulation of transcription, DNA-dependent|cytoskeleton organization|negative regulation of actin filament polymerization protein phosphatase type 1 regulator activity incipient cellular bud site|cellular bud neck|cellular bud tip YDR188W CCT6 het 0.0125201087318907 0.469012352198761 1437 Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, essential protein that is required for the assembly of actin and tubulins in vivo; contains an ATP-binding motif protein folding unfolded protein binding chaperonin-containing T-complex YBR295W PCA1 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0125142607008847 0.468888014511183 1438 Cadmium transporting P-type ATPase; may also have a role in copper and iron homeostasis; stabilized by Cd binding, which prevents ubiquitination; S288C and other lab strains contain a G970R mutation which eliminates Cd transport function cadmium ion transport|cellular iron ion homeostasis|cellular metal ion homeostasis|transmembrane transport copper-transporting ATPase activity|cadmium-exporting ATPase activity|copper ion binding|ATPase activity, coupled to transmembrane movement of ions, phosphorylative mechanism integral to membrane|plasma membrane YJR135C MCM22 hom FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0124462806901133 0.471041980033955 1439 Outer kinetochore protein and component of the Ctf3 subcomplex; binds to centromeric DNA in a Ctf19p-dependent manner; involved in chromosome segregation and minichromosome maintenance; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-K and fission yeast sim4 chromosome segregation|establishment of mitotic sister chromatid cohesion molecular_function condensed nuclear chromosome kinetochore YBL039W-B_p YBL039W-B hom 0.0124308438255005 0.471592311010571 1440 Putative protein of unknown function biological_process molecular_function cellular_component YHR067W HTD2 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0124045188982589 0.472531623012472 1441 Mitochondrial 3-hydroxyacyl-thioester dehydratase involved in fatty acid biosynthesis, required for respiratory growth and for normal mitochondrial morphology fatty acid biosynthetic process 3-hydroxyacyl-[acyl-carrier-protein] dehydratase activity mitochondrion YLR407W_p YLR407W hom 0.0123885820825931 0.473100772006906 1442 Putative protein of unknown function; null mutant displays elongated buds and a large fraction of budded cells have only one nucleus biological_process molecular_function cellular_component YBL032W HEK2 hom FT CHROMATIN ORGANIZATION|TRANSLATION|RNA LOCALIZATION|NUCLEUS|CHROMOSOME 0.0123858868796078 0.473197062628954 1443 RNA binding protein involved in the asymmetric localization of ASH1 mRNA; represses translation of ASH1 mRNA, an effect reversed by Yck1p-dependent phosphoryation; regulates telomere position effect and length; similarity to hnRNP-K telomere maintenance via telomerase|intracellular mRNA localization|mRNA stabilization mRNA binding nuclear chromosome, telomeric region|cytoplasmic mRNA processing body|cytoplasm YAL013W DEP1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0123645704710306 0.4739590064689 1444 Transcriptional modulator involved in regulation of structural phospholipid biosynthesis genes and metabolically unrelated genes, as well as maintenance of telomeres, mating efficiency, and sporulation positive regulation of transcription from RNA polymerase II promoter in response to heat stress|negative regulation of chromatin silencing at rDNA|regulation of transcription from RNA polymerase II promoter|histone deacetylation|negative regulation of chromatin silencing at silent mating-type cassette|negative regulation of chromatin silencing at telomere|negative regulation of transcription from RNA polymerase II promoter|regulation of DNA-dependent DNA replication initiation|Unknown molecular_function Rpd3L-Expanded complex|Rpd3L complex YHR091C MSR1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0123600931599503 0.474119131218798 1445 Mitochondrial arginyl-tRNA synthetase; mutations in human ortholog are associated with pontocerebellar hypoplasia type 6 arginyl-tRNA aminoacylation|mitochondrial arginyl-tRNA aminoacylation|mitochondrial translation arginine-tRNA ligase activity mitochondrion YAL047C SPC72 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CYTOSKELETON 0.0123586638262307 0.47417025559073 1446 Component of the cytoplasmic Tub4p (gamma-tubulin) complex, binds spindle pole bodies and links them to microtubules; has roles in astral microtubule formation and stabilization microtubule nucleation|nuclear migration along microtubule|mitotic cell cycle spindle orientation checkpoint|mitotic spindle elongation|mitotic sister chromatid segregation structural constituent of cytoskeleton outer plaque of spindle pole body YDR298C ATP5 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.0123291902260947 0.47522514123657 1447 Subunit 5 of the stator stalk of mitochondrial F1F0 ATP synthase, which is an evolutionarily conserved enzyme complex required for ATP synthesis; homologous to bovine subunit OSCP (oligomycin sensitivity-conferring protein); phosphorylated ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism|proton-transporting ATPase activity, rotational mechanism mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase, stator stalk|mitochondrial proton-transporting ATP synthase complex YIR038C GTT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0123111217600638 0.475938251084194 1448 ER associated glutathione S-transferase capable of homodimerization; expression induced during the diauxic shift and throughout stationary phase; functional overlap with Gtt2p, Grx1p, and Grx2p glutathione metabolic process glutathione transferase activity|glutathione peroxidase activity mitochondrial outer membrane|mitochondrion|endoplasmic reticulum|plasma membrane YGR271C-A EFG1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0123109288028429 0.475879378651514 1449 Essential protein required for maturation of 18S rRNA; null mutant is sensitive to hydroxyurea and is delayed in recovering from alpha-factor arrest; green fluorescent protein (GFP)-fusion protein localizes to the nucleolus G1 phase of mitotic cell cycle|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleolus YDL107W MSS2 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0123012247348707 0.476227239272508 1450 Peripherally bound inner membrane protein of the mitochondrial matrix involved in membrane insertion of C-terminus of Cox2p, interacts genetically and physically with Cox18p protein insertion into mitochondrial membrane from inner side molecular_function extrinsic to mitochondrial inner membrane|mitochondrial matrix YGR267C FOL2 het FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0122827167412475 0.476891079199212 1451 GTP-cyclohydrolase I, catalyzes the first step in the folic acid biosynthetic pathway folic acid-containing compound biosynthetic process GTP cyclohydrolase I activity nucleus|cytoplasm YDL010W GRX6 hom FT RESPONSE TO OXIDATIVE STRESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0122389787978861 0.478461871034188 1452 Cis-golgi localized monothiol glutaredoxin, binds Fe-S cluster; more similar in activity to dithiol than other monothiol glutaredoxins; involved in the oxidative stress response; GRX6 has a paralog, GRX7, that arose from the whole genome duplication cellular response to oxidative stress glutathione-disulfide reductase activity|iron ion binding|protein homodimerization activity|2 iron, 2 sulfur cluster binding integral to membrane|Golgi apparatus|Golgi lumen|endoplasmic reticulum membrane|fungal-type vacuole|cis-Golgi network YIL153W RRD1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RESPONSE TO DNA DAMAGE|CYTOSKELETON ORGANIZATION|NUCLEUS|CHROMOSOME 0.0122301403014995 0.478779637088566 1453 Peptidyl-prolyl cis/trans-isomerase; activator of the phosphotyrosyl phosphatase activity of PP2A; involved in G1 phase progression, microtubule dynamics, bud morphogenesis and DNA repair; required for rapid reduction of Sgs1p levels in response to rapamycin; subunit of the Tap42p-Sit4p-Rrd1p complex; protein increases in abundance and relative distribution to the nucleus increases upon DNA replication stress DNA repair|mitotic spindle organization in nucleus|G1/S transition of mitotic cell cycle|response to osmotic stress|regulation of transcription from RNA polymerase II promoter in response to stress peptidyl-prolyl cis-trans isomerase activity|protein phosphatase type 2A regulator activity nuclear chromatin|nucleus|cytoplasm YPR042C PUF2 hom 0.012172223356942 0.48106104099216 1454 Member of the PUF protein family, which is defined by the presence of Pumilio homology domains that confer RNA binding activity; preferentially binds mRNAs encoding membrane-associated proteins nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay mRNA binding cytoplasm YEL043W YEL043W hom FT ENDOPLASMIC RETICULUM 0.0121522523377288 0.481584879193045 1455 Predicted cytoskeleton protein involved in intracellular signalling based on quantitative analysis of protein-protein interaction maps; may interact with ribosomes, based on co-purification studies; contains fibronectin type III domain fold biological_process molecular_function ribosome|endoplasmic reticulum YOR025W HST3 hom FT KETONE METABOLISM|LIPID METABOLISM|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS 0.0121335546868744 0.482259628922418 1456 Member of the Sir2 family of NAD(+)-dependent protein deacetylases; involved along with Hst4p in telomeric silencing, cell cycle progression, radiation resistance, genomic stability and short-chain fatty acid metabolism short-chain fatty acid metabolic process|histone deacetylation|chromatin silencing at telomere histone deacetylase activity|DNA binding nucleus YLR128W DCN1 hom 0.0121226956508392 0.482651739061457 1457 Scaffold-type E3 ligase required for cullin neddylation and ubiquitin ligase activation; contains a ubiquitin-binding domain (UBA) for ubiquitin and Nedd8 (Rub1p) interaction and a PONY domain involved in cullin binding and neddylation protein neddylation|positive regulation of ubiquitin-protein ligase activity ubiquitin binding|NEDD8 ligase activity|small conjugating protein binding cellular_component YOL067C RTG1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|NUCLEUS 0.0121117000344779 0.483048957359638 1458 Transcription factor (bHLH) involved in interorganelle communication between mitochondria, peroxisomes, and nucleus cellular response to oleic acid|positive regulation of transcription from RNA polymerase II promoter|mitochondria-nucleus signaling pathway sequence-specific DNA binding RNA polymerase II transcription factor activity nucleus|cytoplasm YPL217C BMS1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEOTIDE METABOLISM|NUCLEUS|MITOCHONDRION 0.0121033027916226 0.483352428489171 1459 GTPase required for synthesis of 40S ribosomal subunits and for processing the 35S pre-rRNA at sites A0, A1, and A2; interacts with Rcl1p, which stimulates its GTPase and U3 snoRNA binding activities; has similarity to Tsr1p ribosome assembly|rRNA processing U3 snoRNA binding|GTP binding|GTPase activity mitochondrion|nucleolus|nucleus|90S preribosome|cytoplasm YDL076C RXT3 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0120864598917379 0.483961432118251 1460 Subunit of the RPD3L complex; involved in histone deacetylation; protein abundance increases in response to DNA replication stress negative regulation of transcription from RNA polymerase I promoter molecular_function Rpd3L-Expanded complex|nucleus|Rpd3L complex YGR052W_p FMP48 hom FT PROTEIN PHOSPHORYLATION|MITOCHONDRION 0.0120748318483117 0.484382120190576 1461 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; induced by treatment with 8-methoxypsoralen and UVA irradiation protein phosphorylation protein kinase activity mitochondrion YOL105C WSC3 hom FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|PEROXISOME ORGANIZATION|SITE OF POLARIZED GROWTH 0.0120541568098297 0.48513060634502 1462 Partially redundant sensor-transducer of the stress-activated PKC1-MPK1 signaling pathway involved in maintenance of cell wall integrity; involved in the response to heat shock and other stressors; regulates 1,3-beta-glucan synthesis response to heat|peroxisome degradation|Rho protein signal transduction transmembrane signaling receptor activity mating projection tip YOR141C ARP8 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME|CYTOSKELETON 0.0120494436157081 0.485301322902964 1463 Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes; has mRNA binding activity mitotic recombination|response to DNA damage stimulus|chromatin remodeling mRNA binding|ATP-dependent 3'-5' DNA helicase activity nucleus|Ino80 complex YDR145W TAF12 het FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|RNA POL II, HOLOENZYME|HISTONE ACETYLTRANSFERASE 0.0120459580849074 0.485427593188603 1464 Subunit (61/68 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification, similar to histone H2A histone acetylation|RNA polymerase II transcriptional preinitiation complex assembly|chromatin modification|transcription from RNA polymerase II promoter TBP-class protein binding|chromatin binding|RNA polymerase II activating transcription factor binding|protein complex scaffold|RNA polymerase II core promoter sequence-specific DNA binding transcription factor activity involved in preinitiation complex assembly SLIK (SAGA-like) complex|SAGA complex|transcription factor TFIID complex YKL154W SRP102 het FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0120398727477358 0.485648089235844 1465 Signal recognition particle (SRP) receptor beta subunit; involved in SRP-dependent protein targeting; anchors the alpha subunit, Srp101p to the ER membrane protein targeting to ER|SRP-dependent cotranslational protein targeting to membrane signal recognition particle binding|GTP binding|GTPase activity integral to endoplasmic reticulum membrane|signal recognition particle receptor complex YIL142W CCT2 het 0.0120115047664995 0.486676688967359 1466 Subunit beta of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo protein folding unfolded protein binding chaperonin-containing T-complex|cytoplasm YEL053C MAK10 hom 0.0120078516031322 0.486809235153728 1467 Non-catalytic subunit of N-terminal acetyltransferase of the NatC type, required for replication of dsRNA virus; expression is glucose-repressible N-terminal protein amino acid acetylation peptide alpha-N-acetyltransferase activity NatC complex|cytoplasm YLR327C TMA10 hom FT NUCLEUS|MITOCHONDRION 0.0119817733556484 0.489186945701708 1468 Protein of unknown function that associates with ribosomes; putative homolog of the F1F0-ATPase synthase regulator Stf2p; protein abundance increases in response to DNA replication stress biological_process molecular_function ribosome|nucleus|cytoplasm YDL079C MRK1 hom FT PROTEIN PHOSPHORYLATION 0.0119649998424197 0.488365462159922 1469 Glycogen synthase kinase 3 (GSK-3) homolog; one of four GSK-3 homologs in S. cerevisiae that function to activate Msn2p-dependent transcription of stress responsive genes and that function in protein degradation regulation of protein catabolic process|protein phosphorylation|response to stress protein serine/threonine kinase activity cellular_component YPL182C_d YPL182C hom 0.011950152354877 0.488905296079076 1470 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene CTI6/YPL181W Unknown Unknown Unknown YPR063C_p YPR063C hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.011943064213144 0.489227907749102 1471 ER-localized protein of unknown function biological_process molecular_function endoplasmic reticulum YGL247W BRR6 het FT PROTEIN LOCALIZATION|LIPID METABOLISM|MEMBRANE ORGANIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0119400916395744 0.489271272219704 1472 Essential nuclear envelope integral membrane protein required for nuclear envelope morphology, nuclear pore complex localization, nuclear export; exhibits synthetic lethal genetic interactions with genes involved in lipid metabolism mRNA export from nucleus|protein export from nucleus|cellular lipid metabolic process molecular_function nuclear envelope YDR291W HRQ1 hom FT NUCLEUS 0.0119386079910652 0.49075352074932 1473 3'-5'DNA helicase that has DNA strand annealing activity; helicase activity is stimulated by fork structure and 3'-tail length of substrates; belongs to the widely conserved RecQ family of proteins which are involved in maintaining genomic integrity; similar to the human RecQ4p implicated in Rothmund-Thomson syndrome(RTS) biological_process molecular_function nucleus YBR058C-A TSC3 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0119190034354963 0.490038870843272 1474 Protein that stimulates the activity of serine palmitoyltransferase (Lcb1p, Lcb2p) several-fold; involved in sphingolipid biosynthesis 3-keto-sphinganine metabolic process|sphingolipid biosynthetic process enzyme activator activity SPOTS complex YJL101C GSH1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|RESPONSE TO OXIDATIVE STRESS 0.0119124689984 0.490859634587564 1475 Gamma glutamylcysteine synthetase; catalyzes the first step in glutathione (GSH) biosynthesis; expression induced by oxidants, cadmium, and mercury; protein abundance increases in response to DNA replication stress response to cadmium ion|response to hydrogen peroxide|glutathione biosynthetic process glutamate-cysteine ligase activity intracellular YMR319C FET4 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0119048771737591 0.491006444541387 1476 Low-affinity Fe(II) transporter of the plasma membrane intracellular copper ion transport|zinc ion transport|low-affinity iron ion transport|copper ion import copper ion transmembrane transporter activity|iron ion transmembrane transporter activity integral to membrane|plasma membrane|integral to plasma membrane YJR115W_p YJR115W hom 0.0118979455228997 0.491000020828142 1477 Putative protein of unknown function; YJR115W has a paralog, ECM13, that arose from the whole genome duplication biological_process molecular_function cellular_component YIL029C_p YIL029C hom 0.0118934531937616 0.490969751987126 1478 Putative protein of unknown function; deletion confers sensitivity to 4-(N-(S-glutathionylacetyl)amino) phenylarsenoxide (GSAO); YIL029C has paralog YPR071W biological_process molecular_function integral to membrane YOL114C_p YOL114C hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION 0.0118883483885589 0.491155850946949 1479 Putative protein of unknown function with similarity to human ICT1 and prokaryotic factors that may function in translation termination; YOL114C is not an essential gene biological_process molecular_function cellular_component YJL052W TDH1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0118682431945034 0.492018321411701 1480 Glyceraldehyde-3-phosphate dehydrogenase, isozyme 1; involved in glycolysis and gluconeogenesis; tetramer that catalyzes the reaction of glyceraldehyde-3-phosphate to 1,3 bis-phosphoglycerate; detected in the cytoplasm and cell wall; protein abundance increases in response to DNA replication stress gluconeogenesis|glycolysis glyceraldehyde-3-phosphate dehydrogenase (NAD+) (phosphorylating) activity mitochondrion|fungal-type cell wall|lipid particle|plasma membrane|cytoplasm YNR043W MVD1 het FT LIPID METABOLISM 0.0118624200411987 0.492101669971605 1481 Mevalonate pyrophosphate decarboxylase, essential enzyme involved in the biosynthesis of isoprenoids and sterols, including ergosterol; acts as a homodimer sterol biosynthetic process diphosphomevalonate decarboxylase activity cytoplasm YCL016C DCC1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|CHROMOSOME 0.0118544958589039 0.492390924478517 1482 Subunit of a complex with Ctf8p and Ctf18p that shares some components with Replication Factor C, required for sister chromatid cohesion and telomere length maintenance maintenance of DNA trinucleotide repeats|response to DNA damage stimulus|mitotic sister chromatid cohesion molecular_function Ctf18 RFC-like complex YGL010W_p YGL010W hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0118473564368681 0.492651611092371 1483 Putative protein of unknown function; YGL010W is not an essential gene biological_process molecular_function integral to membrane|endoplasmic reticulum YBL104C SEA4 hom 0.011843779132501 0.492782259464944 1484 Subunit of the SEA (Seh1-associated) complex, a coatomer-related complex that associates dynamically with the vacuole; has an N-terminal beta-propeller fold and a C-terminal RING motif; promoter contains multiple GCN4 binding sites biological_process molecular_function Seh1-associated complex|extrinsic to fungal-type vacuolar membrane|cytoplasm YDR381W YRA1 het FT RESPONSE TO DNA DAMAGE|RNA LOCALIZATION|NUCLEUS 0.0118089841308235 0.494053991360902 1485 RNA binding protein required for export of poly(A)+ mRNA from the nucleus; proposed to couple mRNA export with 3' end processing via its interactions with Mex67p and Pcf11p; functionally redundant with Yra2p, another REF family member mRNA export from nucleus|transcription-coupled nucleotide-excision repair RNA binding transcription export complex YNR023W SNF12 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|RSC COMPLEX 0.011808441802195 0.494395955414975 1486 73 kDa subunit of the SWI/SNF chromatin remodeling complex involved in transcriptional regulation; homolog of Rsc6p subunit of the RSC chromatin remodeling complex; relocates to the cytosol under hypoxic conditions; deletion mutants are temperature-sensitive positive regulation of transcription from RNA polymerase II promoter in response to amino acid starvation|positive regulation of transcription from RNA polymerase II promoter molecular_function SWI/SNF complex YJL085W EXO70 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|SITE OF POLARIZED GROWTH 0.0117970236219528 0.494813506563811 1487 Subunit of the exocyst complex; the exocyst mediates polarized targeting and tethering of post-Golgi secretory vesicles to active sites of exocytosis prior to SNARE-mediated fusion; PtdIns[4,5]P2-binding protein that localizes to exocytic sites in an actin-independent manner, targeting and anchoring the exocyst with Sec3p; involved in exocyst assembly; direct downstream effector of Rho3p and Cdc42p; relocalizes from bud neck to cytoplasm upon DNA replication stress Golgi to plasma membrane transport|exocytosis|exocyst localization|exocyst assembly|vesicle fusion|vesicle docking involved in exocytosis Rho GTPase binding|phosphatidylinositol-4,5-bisphosphate binding incipient cellular bud site|cellular bud neck|mating projection tip|cellular bud tip|exocyst YLR238W FAR10 hom FT CELL CYCLE|SIGNALING|ENDOPLASMIC RETICULUM 0.0117902630564447 0.494738958467533 1488 Protein involved in recovery from cell cycle arrest in response to pheromone, in a Far1p-independent pathway; interacts with Far3p, Far7p, Far8p, Far9p, and Far11p; potential Cdc28p substrate re-entry into mitotic cell cycle after pheromone arrest molecular_function endoplasmic reticulum YCR052W RSC6 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0117786229531035 0.495486796395131 1489 Component of the RSC chromatin remodeling complex; essential for mitotic growth; homolog of SWI/SNF subunit Swp73p nucleosome positioning|ATP-dependent chromatin remodeling|G2/M transition of mitotic cell cycle|G1 phase of mitotic cell cycle|nucleosome disassembly|positive regulation of transcription elongation from RNA polymerase II promoter DNA translocase activity RSC complex YLR406C-A_p YLR406C-A hom 0.0117692708890414 0.495507623403618 1490 Putative protein of unknown function biological_process molecular_function cellular_component YMR294W-A_d YMR294W-A hom 0.0117667179581501 0.495601146886121 1491 Dubious open reading frame unlikely to encode a functional protein, substantially overlaps YMR295C; deletion causes sensitivity to unfolded protein response-inducing agents Unknown Unknown Unknown YPL234C VMA11 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0117230306573756 0.497203036206082 1492 Vacuolar ATPase V0 domain subunit c', involved in proton transport activity; hydrophobic integral membrane protein (proteolipid) containing four transmembrane segments; N and C termini are in the vacuolar lumen vacuolar acidification proton-transporting ATPase activity, rotational mechanism vacuolar proton-transporting V-type ATPase, V0 domain|integral to membrane|fungal-type vacuole YEL059C-A SOM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0117147646899514 0.497506435630343 1493 Subunit of the mitochondrial inner membrane peptidase, which is required for maturation of mitochondrial proteins of the intermembrane space; Som1p facilitates cleavage of a subset of substrates; contains twin cysteine-x9-cysteine motifs proteolysis|mitochondrial respiratory chain complex assembly endopeptidase activity mitochondrial inner membrane peptidase complex|mitochondrial inner membrane YOL077C BRX1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0117042523424483 0.497892429942971 1494 Nucleolar protein, constituent of 66S pre-ribosomal particles; depletion leads to defects in rRNA processing and a block in the assembly of large ribosomal subunits; possesses a sigma(70)-like RNA-binding motif ribosomal large subunit assembly 5S rRNA binding|rRNA primary transcript binding nucleolus|preribosome, large subunit precursor YGR243W FMP43 hom FT MITOCHONDRION 0.0116875462898941 0.498506173458178 1495 Highly conserved subunit of the mitochondrial pyruvate carrier; a mitochondrial inner membrane complex comprised of Fmp37p/Mpc1p and either Mpc2p or Fmp43p/Mpc3p mediates mitochondrial pyruvate uptake; more highly expressed in glucose-containing minimal medium than in lactate-containing medium; expression regulated by osmotic and alkaline stresses; protein abundance increases in response to DNA replication stress mitochondrial pyruvate transport pyruvate transmembrane transporter activity mitochondrion|mitochondrial membrane YLR304C ACO1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.011673461343708 0.499023935562229 1496 Aconitase, required for the tricarboxylic acid (TCA) cycle and also independently required for mitochondrial genome maintenance; phosphorylated; component of the mitochondrial nucleoid; mutation leads to glutamate auxotrophy propionate metabolic process|glutamate biosynthetic process|tricarboxylic acid cycle|mitochondrial genome maintenance|citrate metabolic process double-stranded DNA binding|aconitate hydratase activity|single-stranded DNA binding mitochondrial nucleoid|cytosol|mitochondrion|mitochondrial matrix YGR252W GCN5 hom FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0116685142590665 0.499205857964041 1497 Acetyltransferase, modifies N-terminal lysines on histones H2B and H3; acetylates Rsc4p, a subunit of the RSC chromatin-remodeling complex, altering replication stress tolerance; catalytic subunit of the ADA and SAGA histone acetyltransferase complexes; mutant displays reduced transcription elongation in the G-less-based run-on (GLRO) assay; greater involvement in repression of RNAPII-dependent transcription than in activation histone acetylation|regulation of transcription by chromatin organization|chromatin modification|positive regulation of transcription elongation from RNA polymerase II promoter histone acetyl-lysine binding|transcription coactivator activity|histone acetyltransferase activity|H3 histone acetyltransferase activity SLIK (SAGA-like) complex|chromosome, centromeric region|Ada2/Gcn5/Ada3 transcription activator complex|SAGA complex YOL013C HRD1 hom FT CELL WALL ORG/BIOGENESIS|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|UBIQUITIN LIGASE COMPLEX 0.0116570094880046 0.499629066624665 1498 Ubiquitin-protein ligase; required for endoplasmic reticulum-associated degradation (ERAD) of misfolded proteins; genetically linked to the unfolded protein response (UPR); regulated through association with Hrd3p; contains an H2 ring finger; likely plays a general role in targeting proteins that persistently associate with and potentially obstruct the ER-localized translocon fungal-type cell wall organization|ER-associated protein catabolic process ubiquitin-protein ligase activity Hrd1p ubiquitin ligase ERAD-M complex|integral to membrane|Hrd1p ubiquitin ligase ERAD-L complex|endoplasmic reticulum membrane YGL244W RTF1 hom FF|FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|GENE SILENCING|NUCLEUS|CHROMOSOME|RNA POL II, HOLOENZYME 0.0116533209436345 0.499764791838387 1499 Subunit of RNAPII-associated chromatin remodeling Paf1 complex; regulates gene expression by directing cotranscriptional histone modification, influences transcription and chromatin structure through several independent functional domains; directly or indirectly regulates DNA-binding properties of Spt15p and relative activities of different TATA elements; involved in transcription elongation as demonstrated by the G-less-based run-on (GLRO) assay mRNA 3'-end processing|snoRNA transcription from an RNA polymerase II promoter|regulation of chromatin silencing at telomere|positive regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter|regulation of histone H3-K4 methylation|regulation of transcription-coupled nucleotide-excision repair|negative regulation of transcription from RNA polymerase II promoter|recruitment of 3'-end processing factors to RNA polymerase II holoenzyme complex|global genome nucleotide-excision repair|snoRNA 3'-end processing|Unknown|transcription elongation from RNA polymerase II promoter RNA binding|RNA polymerase II transcription factor binding transcription factor activity nucleus|transcriptionally active chromatin|Cdc73/Paf1 complex YGL045W RIM8 hom FF|FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0116469990654414 0.500189266111081 1500 Protein involved in proteolytic activation of Rim101p in response to alkaline pH; interacts with ESCRT-1 subunits Stp22p and Vps28p; essential for anaerobic growth; member of the arrestin-related trafficking adaptor family meiosis|protein processing|invasive growth in response to glucose limitation|ubiquitin-dependent endocytosis molecular_function internal side of plasma membrane YPR133W-A TOM5 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0116468679441436 0.500194091278979 1501 Component of the TOM (translocase of outer membrane) complex responsible for recognition and initial import of all mitochondrially directed proteins; involved in transfer of precursors from the Tom70p and Tom20p receptors to the Tom40p pore mitochondrial outer membrane translocase complex assembly|protein targeting to mitochondrion protein channel activity mitochondrial outer membrane|mitochondrion|integral to membrane|integral to mitochondrial outer membrane|mitochondrial outer membrane translocase complex YOL029C_p YOL029C hom 0.0116234066621334 0.500866252454203 1502 Putative protein of unknown function; identified as interacting with Hsc82p and Hsp82p in high-throughput two-hybrid screens biological_process molecular_function cellular_component YER184C_p YER184C hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0115930672063499 0.502048439832396 1503 Putative zinc cluster protein; deletion confers sensitivity to Calcufluor white, and prevents growth on glycerol or lactate as sole carbon source biological_process sequence-specific DNA binding cellular_component YLR076C_d YLR076C het 0.0115208041700711 0.505863483173064 1504 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the essential gene RPL10 which encodes the ribosomal protein L10 Unknown Unknown Unknown YBL024W NCL1 hom FT RNA PROCESSING|NUCLEUS 0.0115168435486719 0.50480039285372 1505 S-adenosyl-L-methionine-dependent tRNA: m5C-methyltransferase, methylates cytosine to m5C at several positions in tRNAs and intron-containing pre-tRNAs; increases proportion of tRNALeu(CAA) with m5C at wobble position in response to hydrogen peroxide, causing selective translation of mRNA from genes enriched in TTG codon; loss of NCL1 confers hypersensitivity to oxidative stress; similar to Nop2p and human proliferation associated nucleolar protein p120 tRNA methylation tRNA (cytosine-5-)-methyltransferase activity nucleus YNL248C RPA49 hom FT NUCLEUS 0.0115101876900388 0.50504665559212 1506 RNA polymerase I subunit A49 transcription elongation from RNA polymerase I promoter|transcription of nuclear large rRNA transcript from RNA polymerase I promoter|regulation of cell size molecular_function DNA-directed RNA polymerase I complex YJL159W HSP150 hom FT CELL WALL ORG/BIOGENESIS 0.0115073436782725 0.505151901595389 1507 O-mannosylated heat shock protein; secreted and covalently attached to the cell wall via beta-1,3-glucan and disulfide bridges; required for cell wall stability; induced by heat shock, oxidative stress, and nitrogen limitation; HSP150 has a paralog, PIR3, that arose from the whole genome duplication fungal-type cell wall organization structural constituent of cell wall|ATPase activity fungal-type cell wall|extracellular region YHR157W REC104 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0115005876956623 0.505401960980038 1508 Protein involved in early stages of meiotic recombination; required for meiotic crossing over; forms a complex with Rec102p and Spo11p necessary during the initiation of recombination meiotic DNA double-strand break formation|reciprocal meiotic recombination molecular_function condensed nuclear chromosome YPR083W MDM36 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0114663904922176 0.506732074346419 1509 Mitochondrial protein required for normal mitochondrial morphology and inheritance; proposed involvement in the formation of Dnm1p and Num1p-containing cortical anchor complexes that promote mitochondrial fission mitochondrial fission|mitochondrion organization molecular_function mitochondrion|cytoplasm YCR100C_p YCR100C hom 0.0114637078362635 0.506768144155689 1510 Putative protein of unknown function biological_process molecular_function integral to membrane YPR089W_p YPR089W hom FT GOLGI APPARATUS 0.0114496745160408 0.507288505763531 1511 Protein of unknown function; exhibits genetic interaction with ERG11 and protein-protein interaction with Hsp82p biological_process molecular_function cellular_component YLR211C_p YLR211C hom 0.0114307517258193 0.507990614929039 1512 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YLR211C is not an essential gene; ORF contains an intron biological_process molecular_function cytoplasm YJR040W GEF1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|PLASMA MEMBRANE 0.0114149790808683 0.508576230652517 1513 Voltage-gated chloride channel localized to the golgi, the endosomal system, and plasma membrane, and involved in cation homeostasis; highly homologous to vertebrate voltage-gated chloride channels; modulates TBSV model (+) RNA virus replication by regulating copper metabolism cellular copper ion homeostasis|cellular iron ion homeostasis voltage-gated chloride channel activity endosome|integral to membrane|endoplasmic reticulum|Golgi apparatus|plasma membrane|fungal-type vacuole|Golgi medial cisterna YGR048W UFD1 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0113825158053017 0.509972032133224 1514 Substrate-recruiting cofactor of the Cdc48p-Npl4p-Ufd1p segregase; polyubiquitin binding protein that assists in the dislocation of misfolded, ERAD substrates that are subsequently delivered to the proteasome for degradation; involved in regulated destruction of ER membrane proteins such as HMG-CoA reductase (Hmg1/2p) and cytoplasmic proteins (Fbp1p); involved in mobilizing membrane bound transaction factors by regulated Ub/proteasome-dependent processing (RUP) retrograde protein transport, ER to cytosol|proteasomal ubiquitin-dependent protein catabolic process|ER-associated protein catabolic process|ER-associated misfolded protein catabolic process|Unknown|cytoplasm-associated proteasomal ubiquitin-dependent protein catabolic process ubiquitin binding|polyubiquitin binding nucleus|Cdc48p-Npl4p-Ufd1p AAA ATPase complex YPR097W YPR097W hom FT MITOCHONDRION 0.0113683413677784 0.510309889531104 1515 Protein that contains a Phox homology (PX) domain and binds phosphoinositides; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process phosphatidylinositol binding mitochondrion YOL059W GPD2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0113570779454683 0.511296812656167 1516 NAD-dependent glycerol 3-phosphate dehydrogenase, homolog of Gpd1p, expression is controlled by an oxygen-independent signaling pathway required to regulate metabolism under anoxic conditions; located in cytosol and mitochondria; constitutively active but is inactivated via phosphorylation by energy-stress responsive kinase SNF1 NADH oxidation|glycerol metabolic process glycerol-3-phosphate dehydrogenase [NAD+] activity cytosol|mitochondrion YNL114C_d YNL114C het 0.0113531786966281 0.510874194647626 1517 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps the verified ORF RPC19/YNL113W, an RNA polymerase subunit Unknown Unknown Unknown YMR188C MRPS17 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0113355748153957 0.511718692732733 1518 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YIL032C_d YIL032C hom 0.011333447442971 0.511734941969892 1519 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YKL190W CNB1 hom FF|FT SIGNALING|ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|ION HOMEOSTASIS 0.0113220198983656 0.512034845642563 1520 Calcineurin B; the regulatory subunit of calcineurin, a Ca++/calmodulin-regulated type 2B protein phosphatase which regulates Crz1p (a stress-response transcription factor), the other calcineurin subunit is encoded by CNA1 and/or CMP1; protein abundance increases in response to DNA replication stress adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion|fungal-type cell wall organization|cellular ion homeostasis calcium-dependent protein serine/threonine phosphatase activity|calcium ion binding calcineurin complex YKR016W FCJ1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0113059826584394 0.512632761021777 1521 Mitochondrial inner membrane protein, ortholog of mammalian mitofilin; involved in import of intermembrane space (IMS) proteins, probably by positioning Mia40p relative to the TOM complex to receive incoming proteins; also has an essential role in the maintenance of crista junctions and inner membrane architecture, as a component of the mitochondrial inner membrane organizing system (MICOS, MitOS or MINOS), a scaffold-like structure on the IMS side of the inner membrane cristae formation|protein import into mitochondrial intermembrane space molecular_function mitochondrion|mitochondrial inner membrane|mitochondrial crista|mitochondrial crista junction|integral to mitochondrial inner membrane YGL083W SCY1 hom FT PROTEIN PHOSPHORYLATION 0.0112997137404638 0.512866583533526 1522 Putative kinase, suppressor of GTPase mutant, similar to bovine rhodopsin kinase biological_process molecular_function clathrin-coated vesicle YLR332W MID2 hom FT RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|PEROXISOME ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0112942702139926 0.513069665060488 1523 O-glycosylated plasma membrane protein that acts as a sensor for cell wall integrity signaling and activates the pathway; interacts with Rom2p, a guanine nucleotide exchange factor for Rho1p, and with cell integrity pathway protein Zeo1p UFP-specific transcription factor mRNA processing involved in endoplasmic reticulum unfolded protein response|fungal-type cell wall organization|peroxisome degradation|cell morphogenesis involved in conjugation|response to acid|response to osmotic stress transmembrane signaling receptor activity integral to plasma membrane|mating projection tip YGL117W_p YGL117W hom FF 0.0112439779983368 0.515324123111182 1524 Putative protein of unknown function biological_process molecular_function cellular_component YOR027W STI1 hom 0.0112220795552457 0.5157668346957 1525 Hsp90 cochaperone, interacts with the Ssa group of the cytosolic Hsp70 chaperones and activates Ssa1p ATPase activity; interacts with Hsp90 chaperones and inhibits their ATPase activity; homolog of mammalian Hop protein folding Hsp70 protein binding|Hsp90 protein binding|mRNA binding|ATPase inhibitor activity cytoplasm YER137C_p YER137C hom 0.0112185484497576 0.515898951382085 1526 Putative protein of unknown function biological_process molecular_function cellular_component YLR167W RPS31 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RESPONSE TO DNA DAMAGE|TRANSLATION|NUCLEUS|RIBOSOME 0.0111857942113082 0.517125290524718 1527 Fusion protein cleaved to yield ribosomal protein S31 and ubiquitin; ubiquitin may facilitate assembly of the ribosomal protein into ribosomes; interacts genetically with translation factor eIF2B; homologous to mammalian ribosomal protein S27A, no bacterial homolog cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S)|ribosomal small subunit assembly|ribosome biogenesis structural constituent of ribosome|protein tag cytosolic small ribosomal subunit|cytoplasm YNL043C_d YNL043C hom 0.0111778906519809 0.517421430539566 1528 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene YIP3/YNL044W Unknown Unknown Unknown YPL100W ATG21 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0111575820509114 0.518182779703955 1529 Phosphoinositide binding protein required for vesicle formation in the cytoplasm-to-vacuole targeting (Cvt) pathway; binds both phosphatidylinositol (3,5)-bisphosphate and phosphatidylinositol 3-phosphate; WD-40 repeat protein piecemeal microautophagy of nucleus|vesicle organization|mitochondrion degradation|macroautophagy|protein localization to pre-autophagosomal structure|CVT pathway|protein lipidation phosphatidylinositol binding endosome|cytosol|fungal-type vacuole membrane YBR073W RDH54 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS 0.0111384526359904 0.518900451524573 1530 DNA-dependent ATPase; stimulates strand exchange by modifying the topology of double-stranded DNA; involved in recombinational repair of DNA double-strand breaks during mitosis and meiosis; proposed to be involved in crossover interference; interacts with Dmc1p; stimulates Dmc1p and Rad51p DNA geometric change|heteroduplex formation|meiotic sister chromatid segregation|reciprocal meiotic recombination|double-strand break repair via break-induced replication DNA-dependent ATPase activity|DNA translocase activity nucleus YCL031C RRP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0111014077531334 0.520291709603499 1531 Essential protein involved in rRNA processing and ribosome biogenesis; protein abundance increases in response to DNA replication stress ribosomal small subunit assembly|rRNA processing molecular_function nucleolus|nucleus|UTP-C complex|CURI complex YDR260C SWM1 hom FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0110946073900898 0.520547312749084 1532 Subunit of the anaphase-promoting complex, which is an E3 ubiquitin ligase that regulates the metaphase-anaphase transition and exit from mitosis; required for activation of the daughter-specific gene expression and spore wall maturation ascospore wall assembly|anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|regulation of mitotic metaphase/anaphase transition|protein ubiquitination molecular_function anaphase-promoting complex|nucleus YOR160W MTR10 het FT PROTEIN LOCALIZATION|RNA LOCALIZATION|NUCLEUS 0.0109727175792426 0.525139690857729 1533 Nuclear import receptor; mediates the nuclear localization of proteins involved in mRNA-nucleus export; promotes dissociation of mRNAs from the nucleus-cytoplasm mRNA shuttling protein Npl3p; required for retrograde import of mature tRNAs; relocalizes from cytoplasm to the nuclear periphery upon DNA replication stress RNA localization|tRNA transport|RNA import into nucleus|protein import into nucleus|mRNA-binding (hnRNP) protein import into nucleus nuclear localization sequence binding integral to membrane|nucleus|cytoplasm YML038C YMD8 hom FT ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0109598312401383 0.525626411260321 1534 Putative nucleotide sugar transporter, has similarity to Vrg4p UDP-glucose transport|nucleotide-sugar transport nucleotide-sugar transmembrane transporter activity COPI-coated vesicle|integral to membrane YPL022W RAD1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS 0.010946471503991 0.526131255348804 1535 Single-stranded DNA endonuclease (with Rad10p), cleaves single-stranded DNA during nucleotide excision repair and double-strand break repair; subunit of Nucleotide Excision Repair Factor 1 (NEF1); homolog of human XPF protein mitotic recombination|meiotic mismatch repair|nucleotide-excision repair, DNA incision, 5'-to lesion|double-strand break repair via single-strand annealing, removal of nonhomologous ends|removal of nonhomologous ends single-stranded DNA binding|single-stranded DNA specific endodeoxyribonuclease activity nucleotide-excision repair factor 1 complex|nucleus YHR058C MED6 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0109451329332202 0.526428680172407 1536 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; essential for transcriptional regulation; protein abundance increases in response to DNA replication stress RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription coactivator activity involved in preinitiation complex assembly core mediator complex YML036W CGI121 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|CHROMOSOME 0.0109063266534596 0.527834465200528 1537 Component of the EKC/KEOPS complex with Bud32p, Kae1p, Pcc1p, and Gon7p; EKC/KEOPS complex is required for t6A tRNA modification and may have roles in telomere maintenance and transcription; Cgi121p is dispensable for tRNA modification telomere maintenance|positive regulation of transcription from RNA polymerase II promoter molecular_function EKC/KEOPS complex YPR142C_d YPR142C het 0.0108872988999455 0.528370272058535 1538 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF RRP15, which is required for ribosomal RNA processing Unknown Unknown Unknown YKL053W_d YKL053W hom 0.0108504839373593 0.529827113852519 1539 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified ORF ASK1 Unknown Unknown Unknown YIR018W YAP5 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0108443413065359 0.529998766933994 1540 Basic leucine zipper (bZIP) iron-sensing transcription factor; YAP5 has a paralog, YAP7, that arose from the whole genome duplication negative regulation of chromatin silencing at telomere|negative regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter in response to iron|positive regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding RNA polymerase II transcription factor activity nuclear chromatin|nucleus YIL107C PFK26 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0108108915404731 0.531268589023823 1541 6-phosphofructo-2-kinase, inhibited by phosphoenolpyruvate and sn-glycerol 3-phosphate; has negligible fructose-2,6-bisphosphatase activity; transcriptional regulation involves protein kinase A regulation of glycolysis|fructose 2,6-bisphosphate metabolic process 6-phosphofructo-2-kinase activity cytoplasm YGL120C PRP43 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 0.0108094801253399 0.531322203141343 1542 RNA helicase in the DEAH-box family, functions in both RNA polymerase I and polymerase II transcript metabolism, involved in release of the lariat-intron from the spliceosome maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|spliceosomal complex disassembly|ribosomal large subunit biogenesis|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of SSU-rRNA|rRNA processing ATP-dependent RNA helicase activity mitochondrion|post-mRNA release spliceosomal complex|90S preribosome YCL056C PEX34 hom FT PEROXISOME ORGANIZATION 0.0108048153124132 0.531560629901744 1543 Peroxisomal integral membrane protein that regulates peroxisome populations; interacts with Pex11p, Pex25p, and Pex27p to control both constitutive peroxisome division and peroxisome morphology and abundance during peroxisome proliferation peroxisome organization molecular_function integral to peroxisomal membrane|cytoplasm YER128W VFA1 hom FT VACUOLAR TRANSPORT 0.0107957119977633 0.531845344046007 1544 Protein that interacts with Vps4p and has a role in vacuolar sorting; localizes to endosomes in a Vps4-dependent manner; overexpression causes canavanine sensitivity and confers a partial class D vacuole morphology vacuolar transport molecular_function endosome|cytoplasm YLR460C_p YLR460C hom FT OXIDATION-REDUCTION PROCESS 0.0107944454730741 0.531893480672884 1545 Member of the quinone oxidoreductase family, up-regulated in response to the fungicide mancozeb; possibly up-regulated by iodine biological_process molecular_function cellular_component YPL057C SUR1 hom FT LIPID METABOLISM 0.0107886264988824 0.532114669963375 1546 Mannosylinositol phosphorylceramide (MIPC) synthase catalytic subunit; forms a complex with regulatory subunit Csg2p; function in sphingolipid biosynthesis is overlapping with that of Csh1p; SUR1 has a paralog, CSH1, that arose from the whole genome duplication glycosphingolipid biosynthetic process|mannosyl-inositol phosphorylceramide metabolic process|sphingolipid biosynthetic process mannosyltransferase activity|transferase activity, transferring glycosyl groups integral to membrane|intracellular YHR154W RTT107 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0107859263987143 0.532217321263103 1547 Protein implicated in Mms22-dependent DNA repair during S phase; involved in recruiting the SMC5/6 complex to double-strand breaks; DNA damage induces phosphorylation by Mec1p at one or more SQ/TQ motifs; interacts with Mms22p and Slx4p; has four BRCT domains; has a role in regulation of Ty1 transposition; relative distribution to nuclear foci increases upon DNA replication stress negative regulation of transposition, RNA-mediated|double-strand break repair molecular_function Cul8-RING ubiquitin ligase complex|nucleus YDR079W PET100 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0107755320348908 0.532612583462577 1548 Chaperone that specifically facilitates the assembly of cytochrome c oxidase, integral to the mitochondrial inner membrane; interacts with a subcomplex of subunits VII, VIIa, and VIII (Cox7p, Cox9p, and Cox8p) but not with the holoenzyme mitochondrial respiratory chain complex IV assembly|aerobic respiration unfolded protein binding mitochondrion|mitochondrial inner membrane|integral to mitochondrial inner membrane YPR047W MSF1 hom FT KETONE METABOLISM|RNA PROCESSING|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0107554729103754 0.533375783110565 1549 Mitochondrial phenylalanyl-tRNA synthetase, active as a monomer, unlike the cytoplasmic subunit which is active as a dimer complexed to a beta subunit dimer; similar to the alpha subunit of E. coli phenylalanyl-tRNA synthetase phenylalanyl-tRNA aminoacylation|mitochondrial phenylalanyl-tRNA aminoacylation phenylalanine-tRNA ligase activity mitochondrion YOR073W SGO1 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0107498236008075 0.533590824931062 1550 Component of the spindle checkpoint, involved in sensing lack of tension on mitotic chromosomes; protects centromeric Rec8p at meiosis I; required for accurate chromosomal segregation at meiosis II and for mitotic chromosome stability positive regulation of maintenance of meiotic sister chromatid cohesion|meiotic sister chromatid segregation|meiotic sister chromatid separation|sister chromatid biorientation|maintenance of meiotic sister chromatid cohesion|mitotic cell cycle spindle assembly checkpoint|mitotic sister chromatid segregation molecular_function condensed nuclear chromosome kinetochore|nucleus|spindle pole body|condensed nuclear chromosome, centromeric region YBL007C SLA1 hom FF|FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|NUCLEUS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.0107477596920891 0.534524714257364 1551 Cytoskeletal protein binding protein required for assembly of the cortical actin cytoskeleton; interacts with proteins regulating actin dynamics and proteins required for endocytosis; found in the nucleus and cell cortex; has 3 SH3 domains fungal-type cell wall organization|endocytosis|actin cortical patch assembly ubiquitin binding|protein binding, bridging cell cortex|nucleus|mating projection tip|actin cortical patch YJL112W MDV1 hom FT MITOCHONDRION ORGANIZATION|PEROXISOME ORGANIZATION|MITOCHONDRION 0.0107358589076524 0.534122580938103 1552 Peripheral protein of cytosolic face of mitochondrial outer membrane; required for mitochondrial fission; interacts with Fis1p and with the dynamin-related GTPase Dnm1p; contains WD repeats; MDV1 has a paralog, CAF4, that arose from the whole genome duplication peroxisome fission|mitochondrial fission|mitochondrial genome maintenance ubiquitin binding mitochondrial outer membrane|mitochondrion YHR151C MTC6 hom 0.0107265196618351 0.534478355558957 1553 Protein of unknown function; mtc6 is synthetically sick with cdc13-1 biological_process molecular_function cellular_component YMR306W FKS3 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.0107110766944176 0.535066911017066 1554 Protein involved in spore wall assembly, has similarity to 1,3-beta-D-glucan synthase catalytic subunits Fks1p and Gsc2p; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies ascospore wall assembly 1,3-beta-D-glucan synthase activity mitochondrion|integral to membrane YJL201W ECM25 hom FT SIGNALING|CELL WALL ORG/BIOGENESIS 0.0107068746470506 0.535227114076456 1555 Non-essential protein of unknown function; promoter contains a consensus binding sequence for factor Abf1p fungal-type cell wall organization|filamentous growth molecular_function cytoplasm YGR287C IMA1 hom FT CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0107060325886663 0.535259220459651 1556 Major isomaltase (alpha-1,6-glucosidase/alpha-methylglucosidase); required for isomaltose utilization; specificity for isomaltose, alpha-methylglucoside, and palatinose; member of the IMA isomaltase family disaccharide catabolic process oligo-1,6-glucosidase activity mitochondrion|ribosome YPL105C SYH1 hom FT PROTEIN LOCALIZATION|MITOCHONDRION 0.0106692547995164 0.536662446693222 1557 Protein of unknown function that influences nuclear pore distribution; co-purifies with ribosomes; contains a GYF domain, which bind proline-rich sequences; deletion extends chronological lifespan; SYH1 has a paralog, SMY2, that arose from the whole genome duplication nuclear pore distribution molecular_function mitochondrion|ribosome|cytoplasmic mRNA processing body|extrinsic to membrane|cytoplasm YGL185C_p YGL185C hom FT OXIDATION-REDUCTION PROCESS 0.0106407060857941 0.538056279545737 1558 Putative protein with sequence similarity to hydroxyacid dehydrogenases; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm metabolic process oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor cytoplasm YCL005W-A VMA9 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|ION HOMEOSTASIS 0.0106320016868594 0.538085691531291 1559 Vacuolar H+ ATPase subunit e of the V-ATPase V0 subcomplex; essential for vacuolar acidification; interacts with the V-ATPase assembly factor Vma21p in the ER; involved in V0 biogenesis cell wall mannoprotein biosynthetic process|vacuolar acidification|protein complex assembly|transmembrane transport ATPase activity, coupled to transmembrane movement of ions vacuolar proton-transporting V-type ATPase, V0 domain|fungal-type vacuole membrane YIL053W RHR2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0106166518025812 0.538672679960129 1560 Constitutively expressed glycerol-1-phosphatase; involved in glycerol biosynthesis, induced in response to both anaerobic and osmotic stress; RHR2 has a paralog, HOR2, that arose from the whole genome duplication glycerol biosynthetic process|response to osmotic stress glycerol-1-phosphatase activity nucleus|cytoplasm YPL242C IQG1 het FT CELL CYCLE|SIGNALING|CELL DIVISION|NUCLEOTIDE METABOLISM|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0105228857795862 0.542265300511143 1561 Essential protein required for determination of budding pattern; promotes localization of axial markers Bud4p and Cdc12p and functionally interacts with Sec3p, localizes to the contractile ring during anaphase, member of the IQGAP family; relocalizes from bud neck to cytoplasm upon DNA replication stress actin filament organization|response to osmotic stress|cytokinesis cytoskeletal protein binding cellular bud neck contractile ring YLR188W MDL1 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0105205458978412 0.542355104967522 1562 Mitochondrial inner membrane half-type ATP-binding cassette (ABC) transporter, mediates export of peptides generated upon proteolysis of mitochondrial proteins, plays a role in the regulation of cellular resistance to oxidative stress oligopeptide transport|oligopeptide export from mitochondrion ATPase activity|oligopeptide-transporting ATPase activity mitochondrion|integral to membrane|mitochondrial inner membrane YOR367W SCP1 hom FT CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0105103952510959 0.542744771700702 1563 Component of yeast cortical actin cytoskeleton, binds and cross links actin filaments; originally identified by its homology to calponin (contains a calponin-like repeat) but the Scp1p domain structure is more similar to transgelin actin filament organization|chronological cell aging actin filament binding|protein binding, bridging actin cortical patch YMR166C_p YMR166C hom FT MITOCHONDRION 0.0104880181632124 0.543844718879426 1564 Predicted transporter of the mitochondrial inner membrane; has similarity to human mitochondrial ATP-Mg/Pi carriers; YMR166C is not an essential gene transport transporter activity integral to membrane|mitochondrial inner membrane YEL031W SPF1 hom FF|FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.0104453803603881 0.54554368967425 1565 P-type ATPase, ion transporter of the ER membrane; required to maintain normal lipid composition of intracellular compartments and proper targeting of mitochondrial outer membrane tail-anchored proteins; involved in ER function and Ca2+ homeostasis; required for regulating Hmg2p degradation; confers sensitivity to a killer toxin (SMKT) produced by Pichia farinosa KK1 cellular calcium ion homeostasis|transmembrane transport ATPase activity, coupled to transmembrane movement of ions, phosphorylative mechanism mitochondrion|integral to membrane|endoplasmic reticulum membrane|cis-Golgi network YGL159W_p YGL159W hom 0.0104352200915922 0.545874624346045 1566 Putative protein of unknown function; deletion mutant has no detectable phenotype biological_process molecular_function cellular_component YPL270W MDL2 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0104268325819236 0.54595789518461 1567 Mitochondrial inner membrane half-type ATP-binding cassette (ABC) transporter, required for respiratory growth at high temperature; similar to human TAP1 and TAP2 implicated in bare lymphocyte syndrome and Wegener-like granulomatosis oligopeptide transport|oligopeptide export from mitochondrion oligopeptide-transporting ATPase activity mitochondrion|integral to membrane|mitochondrial inner membrane YHR155W YSP1 hom FF|FT MITOCHONDRION 0.010405323058085 0.546786495078876 1568 Mitochondrial protein; potential role in promoting mitochondrial fragmentation during programmed cell death in response to high levels of alpha-factor mating pheromone or the drug amiodarone; YSP1 has a paralog, SIP3, that arose from the whole genome duplication biological_process molecular_function mitochondrion YDR170C SEC7 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|RESPONSE TO NUTRIENT LEVELS|GOLGI APPARATUS 0.0103949922409656 0.547184684765867 1569 Guanine nucleotide exchange factor (GEF) for ADP ribosylation factors involved in proliferation of the Golgi, intra-Golgi transport and ER-to-Golgi transport; found in the cytoplasm and on Golgi-associated coated vesicles ER to Golgi vesicle-mediated transport|intra-Golgi vesicle-mediated transport|autophagic vacuole assembly ARF guanyl-nucleotide exchange factor activity trans-Golgi network|cytosol|late endosome|integral to membrane|Golgi-associated vesicle YPR131C NAT3 hom FT MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION 0.0103940299251924 0.547221783442513 1570 Catalytic subunit of the NatB N-terminal acetyltransferase, which catalyzes acetylation of the amino-terminal methionine residues of all proteins beginning with Met-Asp or Met-Glu and of some proteins beginning with Met-Asn or Met-Met mitochondrion inheritance|N-terminal peptidyl-methionine acetylation|cytoskeleton organization peptide alpha-N-acetyltransferase activity NatB complex|cytoplasm YEL041W YEF1 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.0103421469608965 0.549223787019897 1571 ATP-NADH kinase; phosphorylates both NAD and NADH; homooctameric structure consisting of 60-kDa subunits; similar to Pos5p; overexpression complements certain pos5 phenotypes; YEF1 has a paralog, UTR1, that arose from the whole genome duplication NADP biosynthetic process NAD+ kinase activity|NADH kinase activity cellular_component YOR109W INP53 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|CYTOSKELETON 0.0103409314196775 0.549270734264826 1572 Polyphosphatidylinositol phosphatase, dephosphorylates multiple phosphatidylinositols; involved in trans Golgi network-to-early endosome pathway; hyperosmotic stress causes translocation to actin patches; contains Sac1 and 5-ptase domains phosphatidylinositol dephosphorylation phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity|phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity|phosphatidylinositol-3-phosphatase activity|phosphatidylinositol-4-phosphate phosphatase activity membrane|actin cortical patch|cytoplasm YNL100W AIM37 hom FT MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0103093880403756 0.550489709885544 1573 Mitochondrial inner membrane protein; component of the mitochondrial inner membrane organizing system (MitOS, MICOS, or MINOS), a scaffold-like structure on the intermembrane space side of the inner membrane which has a role in the maintenance of crista junctions and inner membrane architecture cristae formation molecular_function mitochondrion|mitochondrial crista junction|integral to mitochondrial inner membrane YDR406W PDR15 hom FT NUCLEOTIDE METABOLISM 0.010294220337788 0.551076330514082 1574 Plasma membrane ATP binding cassette (ABC) transporter, multidrug transporter and general stress response factor implicated in cellular detoxification; regulated by Pdr1p, Pdr3p and Pdr8p; promoter contains a PDR responsive element transport|response to drug ATPase activity, coupled to transmembrane movement of substances integral to membrane YNL010W_p YNL010W hom FT NUCLEUS 0.0102873032620472 0.551343954845474 1575 Putative protein of unknown function with similarity to phosphoserine phosphatases; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; homozygous diploid mutant shows an increase in glycogen accumulation biological_process molecular_function nucleus|cytoplasm YPL183W-A RTC6 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0102624388245502 0.552306496601169 1576 Protein involved in translation; mutants have defects in biogenesis of nuclear ribosomes; sequence similar to prokaryotic ribosomal protein L36, may be a mitochondrial ribosomal protein; protein abundance increases in response to DNA replication stress mitochondrial translation|ribosome biogenesis structural constituent of ribosome mitochondrial large ribosomal subunit YNL140C_p YNL140C hom 0.0102482489831871 0.55285617710124 1577 Protein of unknown function; expressed at both mRNA and protein levels; partially overlaps THO2/YNL139C biological_process molecular_function cellular_component YLR375W STP3 hom FT NUCLEUS 0.0102443243345928 0.5530082559258 1578 Zinc-finger protein of unknown function, possibly involved in pre-tRNA splicing and in uptake of branched-chain amino acids biological_process sequence-specific DNA binding nucleus YNL178W RPS3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0102364777167655 0.553312371207359 1579 Protein component of the small (40S) ribosomal subunit, has apurinic/apyrimidinic (AP) endonuclease activity; essential for viability; homologous to mammalian ribosomal protein S3 and bacterial S3 cytoplasmic translation|rRNA export from nucleus structural constituent of ribosome|DNA-(apurinic or apyrimidinic site) lyase activity preribosome, small subunit precursor|cytosolic small ribosomal subunit|90S preribosome YNL091W NST1 hom 0.0102340510623147 0.553406438847015 1580 Protein of unknown function, mediates sensitivity to salt stress; interacts physically with the splicing factor Msl1p and also displays genetic interaction with MSL1 response to salt stress molecular_function cytoplasm YPR046W MCM16 hom FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.01020993598 0.554341669350718 1581 Component of the Ctf19 complex and the COMA subcomplex; involved in kinetochore-microtubule mediated chromosome segregation; binds to centromere DNA; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-H and fission yeast fta3 chromosome segregation|establishment of mitotic sister chromatid cohesion molecular_function condensed nuclear chromosome kinetochore YER115C SPR6 hom FT CELL CYCLE 0.0101919029630435 0.555041530075691 1582 Protein of unknown function, expressed during sporulation; not required for sporulation, but gene exhibits genetic interactions with other genes required for sporulation ascospore formation molecular_function cellular_component YDR178W SDH4 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0101651281337903 0.556258176688773 1583 Membrane anchor subunit of succinate dehydrogenase (Sdh1p, Sdh2p, Sdh3p, Sdh4p), which couples the oxidation of succinate to the transfer of electrons to ubiquinone as part of the TCA cycle and the mitochondrial respiratory chain mitochondrial electron transport, succinate to ubiquinone|cellular respiration|tricarboxylic acid cycle succinate dehydrogenase (ubiquinone) activity mitochondrial respiratory chain complex II|mitochondrion YBR231C SWC5 hom FF|FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0101414283977344 0.557002737819347 1584 Component of the SWR1 complex; complex exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A; protein abundance increases in response to DNA replication stress chromatin remodeling|histone exchange molecular_function Swr1 complex|nucleus YHR134W WSS1 hom FT RESPONSE TO DNA DAMAGE|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0101246322781661 0.557656104669678 1585 Sumoylated protein that localizes to a single spot on the nuclear periphery of mother cells but not daughters; interacts genetically with SMT3; UV-sensitive mutant phenotype and genetic interactions suggest a role in the DNA damage response protein sumoylation|response to UV-B|response to UV-C|response to DNA damage stimulus molecular_function nuclear envelope YBL102W SFT2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0100270297177816 0.561460191687941 1586 Non-essential tetra-spanning membrane protein found mostly in the late Golgi, can suppress some sed5 alleles; may be part of the transport machinery, but precise function is unknown; similar to mammalian syntaxin 5 Golgi to endosome transport molecular_function integral to membrane|Golgi membrane YJL092W SRS2 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0100211001339325 0.561691702487386 1587 DNA helicase and DNA-dependent ATPase involved in DNA repair and checkpoint recovery, needed for proper timing of commitment to meiotic recombination and transition from Meiosis I to II; blocks trinucleotide repeat expansion; affects genome stability DNA repair|double-strand break repair via nonhomologous end joining|DNA duplex unwinding DNA helicase activity nucleus YBL059W_p YBL059W hom FT MITOCHONDRION 0.010005773037303 0.562348622387613 1588 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; YBL059W has a paralog, YER093C-A, that arose from the whole genome duplication biological_process molecular_function mitochondrion YLR268W SEC22 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00998841061369047 0.562968838285093 1589 R-SNARE protein; assembles into SNARE complex with Bet1p, Bos1p and Sed5p; cycles between the ER and Golgi complex; involved in anterograde and retrograde transport between the ER and Golgi; synaptobrevin homolog retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport|vesicle fusion with Golgi apparatus|vesicle fusion with endoplasmic reticulum|vesicle fusion SNAP receptor activity SNARE complex|integral to membrane|Golgi apparatus|endoplasmic reticulum|ER to Golgi transport vesicle membrane YNL314W DAL82 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.00990248451233797 0.566332518454872 1590 Positive regulator of allophanate inducible genes; binds a dodecanucleotide sequence upstream of all genes that are induced by allophanate; contains an UISALL DNA-binding, a transcriptional activation, and a coiled-coil domain allantoin catabolic process|nitrogen catabolite activation of transcription from RNA polymerase II promoter sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YJL086C_d YJL086C het FF 0.0098932916741137 0.566924407988402 1591 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified genes YJL085W/EXO70 and YJL087C/TRL1 Unknown Unknown Unknown YLR182W SWI6 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.00987653697444207 0.567581348525592 1592 Transcription cofactor; forms complexes with Swi4p and Mbp1p to regulate transcription at the G1/S transition; involved in meiotic gene expression; also binds Stb1p to regulate transcription at START; cell wall stress induces phosphorylation by Mpk1p, which regulates Swi6p localization; required for the unfolded protein response, independently of its known transcriptional coactivators positive regulation of transcription from RNA polymerase II promoter in response to heat stress|positive regulation of transcription involved in G1/S phase of mitotic cell cycle|positive regulation of reciprocal meiotic recombination|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription coactivator activity SBF transcription complex|MBF transcription complex|nucleus|cytoplasm YBL062W_d YBL062W hom 0.00985950719852126 0.568018525121471 1593 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOR330C MIP1 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00985708335862002 0.568402318153364 1594 Mitochondrial DNA polymerase; conserved C-terminal segment is required for the maintenance of mitochondrial genome; mutations in the human ortholog POLG are associated with Alpers-Huttenlocher syndrome (AHS) and other mitochondrial diseases; Mip1p is the single subunit of mitochondrial DNA polymerase in yeast, in contrast to metazoans in which there is a complex of a catalytic subunit and an accessory subunit mitochondrial DNA replication 3'-5' exonuclease activity|DNA-directed DNA polymerase activity mitochondrion YCR007C_p YCR007C hom 0.00985222306425428 0.569576227314451 1595 Putative integral membrane protein, member of DUP240 gene family; YCR007C is not an essential gene biological_process molecular_function cellular_component YGL238W CSE1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.00984598072385253 0.568780375829265 1596 Nuclear envelope protein that mediates the nuclear export of importin alpha (Srp1p), homolog of metazoan CAS protein, required for accurate chromosome segregation protein export from nucleus importin-alpha export receptor activity nuclear envelope|integral to membrane YDR276C PMP3 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00981365912392832 0.570568598003832 1597 Small plasma membrane protein related to a family of plant polypeptides that are overexpressed under high salt concentration or low temperature, not essential for viability, deletion causes hyperpolarization of the plasma membrane potential regulation of membrane potential|cation transport molecular_function plasma membrane YNL108C_p YNL108C hom FT NUCLEUS 0.00978466618059761 0.57096026640248 1598 Putative protein of unknown function; similar to prokaryotic phosphotransfer enzymes; null mutant shows alterations in glucose metabolism; GFP-fusion protein localizes to the cytoplasm and nucleus; YNL108C has a paralog, TFC7, that arose from the whole genome duplication biological_process molecular_function nucleus|cytoplasm YDR228C PCF11 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.00975371608169053 0.572580212453892 1599 mRNA 3' end processing factor, essential component of cleavage and polyadenylation factor IA (CF IA), involved in pre-mRNA 3' end processing and in transcription termination; binds C-terminal domain of largest subunit of RNA pol II (Rpo21p); required for gene looping mRNA cleavage|termination of RNA polymerase II transcription|mRNA polyadenylation mRNA binding|RNA polymerase II core binding mRNA cleavage factor complex YIL048W NEO1 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00971420404916269 0.573736497787707 1600 Putative aminophospholipid translocase (flippase) involved in endocytosis and vacuolar biogenesis; localizes to endosomes and the Golgi aparatus retrograde vesicle-mediated transport, Golgi to ER|vacuole organization|endocytosis phospholipid-translocating ATPase activity|ATPase activity, coupled to transmembrane movement of ions, phosphorylative mechanism endosome|COPI-coated vesicle|integral to membrane|Golgi apparatus|Golgi membrane YIL004C BET1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00970340538417032 0.574162533164956 1601 Type II membrane protein required for vesicular transport between the endoplasmic reticulum and Golgi complex; v-SNARE with similarity to synaptobrevins retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport|vesicle fusion SNAP receptor activity SNARE complex|integral to membrane|endoplasmic reticulum membrane|ER to Golgi transport vesicle YML094W GIM5 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.00969038048262377 0.574676598491471 1602 Subunit of the heterohexameric cochaperone prefoldin complex which binds specifically to cytosolic chaperonin and transfers target proteins to it tubulin complex assembly tubulin binding prefoldin complex|cytoplasm YJR092W BUD4 hom FT CELL CYCLE|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.00967646831547325 0.575225922600897 1603 Anillin-like protein involved in bud-site selection; required for the axial budding pattern; localizes with septins to the bud neck in mitosis and may constitute an axial landmark for the next round of budding; required for the formation and disassembly of the double septin ring structure, and generally for septin organization; in vivo substrate of Cdc28p/Clb2p cellular bud site selection|axial cellular bud site selection GTP binding cellular bud neck contractile ring YER127W LCP5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00966394720988379 0.575720532442968 1604 Essential protein involved in maturation of 18S rRNA; depletion leads to inhibited pre-rRNA processing and reduced polysome levels; localizes primarily to the nucleolus rRNA modification|rRNA processing RNA binding small nuclear ribonucleoprotein complex|small nucleolar ribonucleoprotein complex YOR355W GDS1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS|MITOCHONDRION 0.00965836878378439 0.575940956562822 1605 Protein of unknown function, required for growth on glycerol as a carbon source; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies aerobic respiration molecular_function mitochondrion|nucleus|cytoplasm YGR055W MUP1 hom FT PLASMA MEMBRANE 0.0096471992448654 0.577179538763197 1606 High affinity methionine permease, integral membrane protein with 13 putative membrane-spanning regions; also involved in cysteine uptake cysteine transport|sulfur amino acid transport|methionine transport L-methionine secondary active transmembrane transporter activity integral to membrane|integral to plasma membrane YPR112C MRD1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0096330273633194 0.576942790269596 1607 Essential conserved small ribosomal subunit (40s) synthesis factor; component of the 90S preribosome; required for production of 18S rRNA and small ribosomal subunit; contains five consensus RNA-binding domains and binds to the pre-rRNA at two sites within the 18S region endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|small-subunit processome assembly|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleolus|90S preribosome YJL062W LAS21 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.00962955587339732 0.577080094140049 1608 Integral plasma membrane protein involved in the synthesis of the glycosylphosphatidylinositol (GPI) core structure; mutations affect cell wall integrity GPI anchor biosynthetic process mannose-ethanolamine phosphotransferase activity|transferase activity integral to endoplasmic reticulum membrane|integral to membrane|integral to plasma membrane YDR439W LRS4 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0096081605038663 0.577926660241608 1609 Nucleolar protein that forms a complex with Csm1p, and then Mam1p at kinetochores during meiosis I to mediate accurate homolog segregation; required for condensin recruitment to the replication fork barrier site and rDNA repeat segregation rDNA condensation|chromatin silencing at rDNA|homologous chromosome segregation|protein localization to nucleolar rDNA repeats molecular_function nucleolus|nucleus|monopolin complex YAL041W CDC24 het FT CELL CYCLE|SIGNALING|NUCLEUS|SITE OF POLARIZED GROWTH 0.00959012680309477 0.578640666053101 1610 Guanine nucleotide exchange factor for Cdc42p; also known as a GEF or GDP-release factor; required for polarity establishment and maintenance, and mutants have morphological defects in bud formation and shmooing; relocalizes from nucleus to cytoplasm upon DNA replication stress regulation of exit from mitosis|establishment of cell polarity|small GTPase mediated signal transduction Rho guanyl-nucleotide exchange factor activity incipient cellular bud site|nucleus|cellular bud neck|mating projection tip|cellular bud tip|cytoplasm YLR274W MCM5 het FT CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.00956596635685664 0.579597896142064 1611 Component of the hexameric MCM complex, which is important for priming origins of DNA replication in G1 and becomes an active ATP-dependent helicase that promotes DNA melting and elongation when activated by Cdc7p-Dbf4p in S-phase S phase of mitotic cell cycle|establishment of chromatin silencing|DNA replication initiation|regulation of DNA-dependent DNA replication initiation|negative regulation of chromatin silencing at telomere|pre-replicative complex assembly|double-strand break repair via break-induced replication|chromatin silencing at telomere DNA helicase activity|chromatin binding|DNA replication origin binding|single-stranded DNA binding replication fork protection complex|nuclear chromosome, telomeric region|DNA replication preinitiation complex|nucleus|pre-replicative complex|cytoplasm|MCM complex YMR289W ABZ2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM 0.00953827257426557 0.581204199316588 1612 Aminodeoxychorismate lyase (4-amino-4-deoxychorismate lyase), catalyzes the third step in para-aminobenzoic acid biosynthesis; involved in folic acid biosynthesis folic acid biosynthetic process 4-amino-4-deoxychorismate lyase activity cytoplasm YLR010C TEN1 het FT NUCLEUS|CHROMOSOME 0.00953603820528773 0.580784669696686 1613 Protein that regulates telomeric length; protects telomeric ends in a complex with Cdc13p and Stn1p negative regulation of telomere maintenance|telomere capping|telomere maintenance via telomerase single-stranded telomeric DNA binding nuclear telomere cap complex YBR021W FUR4 hom FF|FT PLASMA MEMBRANE 0.00948153265507095 0.583229990168682 1614 Plasma membrane localized uracil permease; expression is tightly regulated by uracil levels and environmental cues; conformational alterations induced by unfolding or substrate binding result in Rsp5p-mediated ubiquitination and degradation uracil transport|transmembrane transport uracil:cation symporter activity integral to membrane|membrane raft|plasma membrane YBR106W PHO88 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0094516734025646 0.584136185349536 1615 Probable membrane protein, involved in phosphate transport; pho88 pho86 double null mutant exhibits enhanced synthesis of repressible acid phosphatase at high inorganic phosphate concentrations phosphate ion transport molecular_function mitochondrion|membrane YPR017C DSS4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING 0.00939566664350337 0.586366094071191 1616 Guanine nucleotide dissociation stimulator for Sec4p, functions in the post-Golgi secretory pathway; binds zinc, found both on membranes and in the cytosol post-Golgi vesicle-mediated transport zinc ion binding|guanyl-nucleotide exchange factor activity cytosol|membrane YDR331W GPI8 het FT LIPID METABOLISM|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00938823001492577 0.586662479841057 1617 ER membrane glycoprotein subunit of the glycosylphosphatidylinositol transamidase complex that adds glycosylphosphatidylinositol (GPI) anchors to newly synthesized proteins; human PIG-K protein is a functional homolog attachment of GPI anchor to protein GPI-anchor transamidase activity endoplasmic reticulum membrane|GPI-anchor transamidase complex YDL190C UFD2 hom FT PROTEOLYSIS|NUCLEUS 0.00937703574157974 0.587276039199789 1618 Ubiquitin chain assembly factor (E4) that cooperates with a ubiquitin-activating enzyme (E1), a ubiquitin-conjugating enzyme (E2), and a ubiquitin protein ligase (E3) to conjugate ubiquitin to substrates; also functions as an E3 ER-associated protein catabolic process|protein ubiquitination|ubiquitin-dependent protein catabolic process|response to stress ubiquitin-ubiquitin ligase activity nucleus|cytoplasm YCR092C MSH3 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00926336595822023 0.591649250048573 1619 Mismatch repair protein, forms dimers with Msh2p that mediate repair of insertion or deletion mutations and removal of nonhomologous DNA ends, contains a PCNA (Pol30p) binding motif required for genome stability mismatch repair|mitotic recombination|meiotic mismatch repair|removal of nonhomologous ends|DNA recombination DNA insertion or deletion binding|mismatched DNA binding|double-strand/single-strand DNA junction binding|loop DNA binding|Y-form DNA binding MutSbeta complex|nucleus|cytoplasm YMR245W_d YMR245W hom 0.00924671536017296 0.59231570293938 1620 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YHR136C SPL2 hom 0.0092126175016314 0.59368156900366 1621 Protein with similarity to cyclin-dependent kinase inhibitors; downregulates low-affinity phosphate transport during phosphate limitation; overproduction suppresses a plc1 null mutation; GFP-fusion protein localizes to the cytoplasm response to temperature stimulus enzyme inhibitor activity cytoplasm YIL036W CST6 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.00919219481202776 0.594500334894545 1622 Basic leucine zipper (bZIP) transcription factor, in ATF/CREB family; mediates transcriptional activation of NCE103 (encoding carbonic anhydrase) in response to low CO2 levels such as in the ambient air; proposed to be a regulator of oleate responsive genes; involved in utilization of non-optimal carbon sources and chromosome stability; CST6 has a paralog, ACA1, that arose from the whole genome duplication cellular response to carbon dioxide|positive regulation of transcription from RNA polymerase II promoter by oleic acid|cellular response to oleic acid|positive regulation of transcription from RNA polymerase II promoter|DNA metabolic process sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus YDR032C PST2 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.00918207186677152 0.594961287963171 1623 Protein with similarity to a family of flavodoxin-like proteins; induced by oxidative stress in a Yap1p dependent manner; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; protein abundance increases in response to DNA replication stress; PST2 has a paralog, RFS1, that arose from the whole genome duplication biological_process molecular_function mitochondrion|membrane raft|plasma membrane|cytoplasm YHR004C NEM1 hom FF|FT LIPID METABOLISM|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.00917770042562926 0.59552127050694 1624 Probable catalytic subunit of Nem1p-Spo7p phosphatase holoenzyme; regulates nuclear growth by controlling phospholipid biosynthesis, required for normal nuclear envelope morphology and sporulation; homolog of the human protein Dullard negative regulation of phospholipid biosynthetic process|nuclear envelope organization phosphoprotein phosphatase activity Nem1-Spo7 phosphatase complex|mitochondrion|integral to membrane YBL049W MOH1 hom 0.00916132896687089 0.595738755152425 1625 Protein of unknown function, has homology to kinase Snf7p; not required for growth on nonfermentable carbon sources; essential for survival in stationary phase biological_process molecular_function cellular_component YLR418C CDC73 hom FF|FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|CHROMOSOME|RNA POL II, HOLOENZYME 0.00913438599675369 0.596820739343279 1626 Component of the Paf1p complex; binds to and modulates the activity of RNA polymerases I and II; required for expression of certain genes, modification of some histones, and telomere maintenance; involved in transcription elongation as demonstrated by the G-less-based run-on (GLRO) assay; protein abundance increases in response to DNA replication stress transcription elongation from RNA polymerase I promoter|negative regulation of DNA recombination|mRNA 3'-end processing|recruitment of 3'-end processing factors to RNA polymerase II holoenzyme complex|positive regulation of transcription elongation from RNA polymerase II promoter|Unknown|regulation of transcription-coupled nucleotide-excision repair|transcription elongation from RNA polymerase II promoter chromatin binding|TFIIF-class binding transcription factor activity|RNA polymerase II core binding|RNA polymerase II transcription factor binding transcription factor activity nucleus|transcriptionally active chromatin|Cdc73/Paf1 complex YDL187C_d YDL187C hom 0.0090845869433703 0.598822934541343 1627 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBR036C CSG2 hom FF|FT LIPID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00904128831447256 0.600566247123386 1628 Endoplasmic reticulum membrane protein, required for mannosylation of inositolphosphorylceramide and for growth at high calcium concentrations; protein abundance increases in response to DNA replication stress cellular calcium ion homeostasis|glycosphingolipid biosynthetic process enzyme regulator activity integral to endoplasmic reticulum membrane|integral to membrane YBR267W REI1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RIBOSOME BIOGENESIS|CELL DIVISION|RIBOSOME 0.00904056095905922 0.600595551870365 1629 Cytoplasmic pre-60S factor; required for the correct recycling of shuttling factors Alb1, Arx1 and Tif6 at the end of the ribosomal large subunit biogenesis; involved in bud growth in the mitotic signaling network ribosomal large subunit biogenesis|nucleocytoplasmic transport|mitotic cell cycle|budding cell bud growth sequence-specific DNA binding cytosolic large ribosomal subunit|preribosome, large subunit precursor|cytoplasm YNL233W BNI4 hom FT PROTEIN LOCALIZATION|CELL DIVISION|CARBOHYDRATE METABOLISM|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0090346317141005 0.600834461960724 1630 Targeting subunit for Glc7p protein phosphatase, localized to the bud neck, required for localization of chitin synthase III to the bud neck via interaction with the chitin synthase III regulatory subunit Skt5p asymmetric protein localization|barrier septum assembly|chitin biosynthetic process protein binding incipient cellular bud site|cellular bud neck septin collar|cellular bud neck|septin ring YKL180W RPL17A het FT TRANSLATION|RIBOSOME 0.0090034159446643 0.602092961963714 1631 Ribosomal 60S subunit protein L17A; copurifies with the Dam1 complex (aka DASH complex); homologous to mammalian ribosomal protein L17 and bacterial L22; RPL17A has a paralog, RPL17B, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit|cytoplasm YPR124W CTR1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00899524790362207 0.602422461957961 1632 High-affinity copper transporter of the plasma membrane; mediates nearly all copper uptake under low copper conditions; transcriptionally induced at low copper levels and degraded at high copper levels; protein increases in abundance and relocalizes from nucleus to plasma membrane upon DNA replication stress copper ion import copper uptake transmembrane transporter activity integral to membrane|plasma membrane YGR195W SKI6 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00899092623836056 0.602650925192773 1633 Exosome non-catalytic core component; involved in 3'-5' RNA processing and degradation in both the nucleus and the cytoplasm; has similarity to E. coli RNase PH and to human hRrp41p (EXOSC4) nuclear mRNA surveillance|U5 snRNA 3'-end processing|nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent CUT catabolic process|nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay|nuclear polyadenylation-dependent mRNA catabolic process|nonfunctional rRNA decay|U4 snRNA 3'-end processing|nuclear-transcribed mRNA catabolic process, exonucleolytic, 3'-5'|rRNA catabolic process|polyadenylation-dependent snoRNA 3'-end processing|U1 snRNA 3'-end processing|nuclear-transcribed mRNA catabolic process, non-stop decay|exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nuclear exosome (RNase complex)|cytoplasmic exosome (RNase complex) YJR073C OPI3 hom FF|FT LIPID METABOLISM|MITOCHONDRION 0.00898635771454738 0.603051656965004 1634 Phospholipid methyltransferase (methylene-fatty-acyl-phospholipid synthase), catalyzes the last two steps in phosphatidylcholine biosynthesis phosphatidylcholine biosynthetic process phosphatidyl-N-dimethylethanolamine N-methyltransferase activity|phosphatidyl-N-methylethanolamine N-methyltransferase activity mitochondrion|integral to membrane YDR529C QCR7 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00897921145848045 0.603069610608828 1635 Subunit 7 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; oriented facing the mitochondrial matrix; N-terminus appears to play a role in complex assembly mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration|mitochondrial respiratory chain complex III assembly ubiquinol-cytochrome-c reductase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex III YML085C TUB1 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|NUCLEOTIDE METABOLISM|CHROMOSOME SEGREGATION|NUCLEUS|CYTOSKELETON 0.00892562018698376 0.605395993333782 1636 Alpha-tubulin; associates with beta-tubulin (Tub2p) to form tubulin dimer, which polymerizes to form microtubules; relative distribution to nuclear foci increases upon DNA replication stress; TUB1 has a paralog, TUB3, that arose from the whole genome duplication nuclear migration along microtubule|nuclear migration involved in conjugation with cellular fusion|homologous chromosome segregation|mitotic sister chromatid segregation structural constituent of cytoskeleton tubulin complex|cytoplasmic microtubule|kinetochore microtubule|nuclear microtubule|spindle pole body|polar microtubule YMR310C_p YMR310C hom FT NUCLEUS 0.00891678421632103 0.605591825783782 1637 Putative S-adenosylmethionine-dependent methyltransferase; predicted to be involved in ribosome biogenesis; green fluorescent protein (GFP)-fusion protein localizes to the nucleus; YMR310C is not an essential gene biological_process S-adenosylmethionine-dependent methyltransferase activity nucleus YOR312C RPL20B hom FT TRANSLATION|RIBOSOME 0.00890869061768749 0.605919172701201 1638 Ribosomal 60S subunit protein L20B; homologous to mammalian ribosomal protein L18A, no bacterial homolog; RPL20B has a paralog, RPL20A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YLR077W FMP25 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00889952612067119 0.606289927806342 1639 Mitochondrial inner membrane protein required for an early step in assembly of respiratory complex III (cytochrome bc1 complex); mRNA is targeted to mitochondria mitochondrial respiratory chain complex III assembly molecular_function mitochondrion|integral to mitochondrial inner membrane YBR147W RTC2 hom FT MITOCHONDRION 0.00888050987982469 0.607059564339441 1640 Putative vacuolar membrane transporter for cationic amino acids; likely contributes to amino acid homeostasis by exporting cationic amino acids from the vacuole; positive regulation by Lys14p suggests that lysine may be the primary substrate; member of the PQ-loop family, with seven transmembrane domains; similar to mammalian PQLC2 vacuolar transporter biological_process molecular_function mitochondrion|integral to membrane YER148W SPT15 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00885425763433674 0.608176266472638 1641 TATA-binding protein, general transcription factor that interacts with other factors to form the preinitiation complex at promoters, essential for viability transposon integration|transcription of nuclear large rRNA transcript from RNA polymerase I promoter|RNA polymerase II transcriptional preinitiation complex assembly|RNA polymerase III transcriptional preinitiation complex assembly RNA polymerase III regulatory region DNA binding|RNA polymerase I transcription factor recruiting transcription factor activity|RNA polymerase II core promoter sequence-specific DNA binding transcription factor activity involved in preinitiation complex assembly|RNA polymerase II activating transcription factor binding|DNA binding, bending|sequence-specific DNA binding|RNA polymerase II core promoter sequence-specific DNA binding|TFIIIB-type transcription factor activity|chromatin binding|RNA polymerase I transcription factor binding transcription factor TFIIIB complex|RNA polymerase I upstream activating factor complex|nucleus|RNA polymerase I core factor complex|transcription factor TFIID complex YNR006W VPS27 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT 0.00882945913876238 0.609555188495116 1642 Endosomal protein that forms a complex with Hse1p; required for recycling Golgi proteins, forming lumenal membranes and sorting ubiquitinated proteins destined for degradation; has Ubiquitin Interaction Motifs which bind ubiquitin (Ubi4p) protein retention in Golgi apparatus|late endosome to vacuole transport|protein targeting to vacuole ubiquitin binding|phosphatidylinositol-3-phosphate binding endosome|ESCRT-0 complex YPL248C GAL4 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.00880572540321133 0.61009050648083 1643 DNA-binding transcription factor required for the activation of the GAL genes in response to galactose; repressed by Gal80p and activated by Gal3p galactose metabolic process|positive regulation of transcription from RNA polymerase II promoter by galactose RNA polymerase II transcription factor binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription|sequence-specific transcription regulatory region DNA binding RNA polymerase II transcription factor recruiting transcription factor activity nucleus YDR297W SUR2 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00880003502069446 0.61032140691665 1644 Sphinganine C4-hydroxylase, catalyses the conversion of sphinganine to phytosphingosine in sphingolipid biosyntheis sphingolipid metabolic process sphingosine hydroxylase activity integral to membrane|endoplasmic reticulum membrane YJR064W CCT5 het 0.00879824674125403 0.610553727187158 1645 Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo protein folding unfolded protein binding chaperonin-containing T-complex YLR350W ORM2 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00876726135990522 0.611652028010492 1646 Evolutionarily conserved protein, similar to Orm1p; required for resistance to agents that induce unfolded protein response; Orm1p and Orm2p together control membrane biogenesis by coordinating lipid homeostasis with protein quality control; protein abundance increases in response to DNA replication stress cellular sphingolipid homeostasis|negative regulation of sphingolipid biosynthetic process|response to unfolded protein molecular_function integral to membrane|endoplasmic reticulum|SPOTS complex YGL240W DOC1 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|CELL DIVISION|PROTEOLYSIS|NUCLEUS|MITOCHONDRION|UBIQUITIN LIGASE COMPLEX 0.00867539118983572 0.615388810083228 1647 Processivity factor required for the ubiquitination activity of the anaphase promoting complex (APC), mediates the activity of the APC by contributing to substrate recognition; involved in cyclin proteolysis; contains a conserved DOC1 homology domain activation of mitotic anaphase-promoting complex activity|chromatin assembly|anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|cyclin catabolic process enzyme regulator activity|mitotic anaphase-promoting complex activity mitochondrion|anaphase-promoting complex YGR062C COX18 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00865661774679967 0.616153645063407 1648 Mitochondrial integral inner membrane protein required for membrane insertion of C-terminus of Cox2p; interacts genetically and physically with Mss2p and Pnt1p; similar to S. cerevisiae Oxa1, N. crassa Oxa2p, and E. coli YidC protein insertion into mitochondrial membrane from inner side membrane insertase activity integral to membrane|integral to mitochondrial inner membrane YBR293W VBA2 hom 0.00864367143807704 0.616681323921552 1649 Permease of basic amino acids in the vacuolar membrane basic amino acid transport|transmembrane transport basic amino acid transmembrane transporter activity|drug transmembrane transporter activity fungal-type vacuole membrane|integral to membrane YOL076W MDM20 hom FF|FT MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION 0.00860052704547631 0.618703093223443 1650 Non-catalytic subunit of the NatB N-terminal acetyltransferase, which catalyzes N-acetylation of proteins with specific N-terminal sequences; involved in mitochondrial inheritance and actin assembly mitochondrion inheritance|N-terminal peptidyl-methionine acetylation|cytoskeleton organization peptide alpha-N-acetyltransferase activity NatB complex YBR232C_d YBR232C hom 0.00858993968504808 0.618873491067448 1651 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGL172W NUP49 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00856405804040248 0.619930631887418 1652 FG-nucleoporin component of central core of the nuclear pore complex (NPC); contributes directly to nucleocytoplasmic transport and maintenance of the NPC permeability barrier; found in stable complex with Nic96p and two other FG-nucleoproteins (Nsp1p and Nup57p) poly(A)+ mRNA export from nucleus|ribosomal large subunit export from nucleus|protein import into nucleus|tRNA export from nucleus nucleocytoplasmic transporter activity|structural constituent of nuclear pore nuclear pore central transport channel|nuclear envelope|integral to membrane|nuclear pore YHL007C STE20 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|SIGNALING|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS|SITE OF POLARIZED GROWTH 0.00856103420461509 0.620054192349524 1653 Cdc42p-activated signal transducing kinase of the PAK (p21-activated kinase) family; involved in pheromone response, pseudohyphal/invasive growth, vacuole inheritance, down-regulation of sterol uptake; GBB motif binds Ste4p negative regulation of gene expression|osmosensory signaling pathway via Sho1 osmosensor|activation of MAPKKK activity|vacuole inheritance|protein phosphorylation|cellular bud site selection|cellular response to heat|regulation of exit from mitosis|pheromone-dependent signal transduction involved in conjugation with cellular fusion|signal transduction involved in filamentous growth|pseudohyphal growth|sterol import|stress granule assembly|invasive growth in response to glucose limitation|positive regulation of apoptotic process histone serine kinase activity|MAP kinase kinase kinase kinase activity|protein kinase activity incipient cellular bud site|plasma membrane|nucleus|mating projection tip YBR099C_d YBR099C hom 0.00853624646697678 0.621067476830906 1654 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps the verified gene MMS4 Unknown Unknown Unknown YDR525W_d API2 hom 0.00848528873075204 0.623360118653493 1655 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 26% of ORF overlaps the dubious ORF YDR524C-A; insertion mutation in a cdc34-2 mutant background causes altered bud morphology Unknown Unknown Unknown YKL182W FAS1 het FF|FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.00845295117450103 0.624632737250137 1656 Beta subunit of fatty acid synthetase, which catalyzes the synthesis of long-chain saturated fatty acids; contains acetyltransacylase, dehydratase, enoyl reductase, malonyl transacylase, and palmitoyl transacylase activities fatty acid biosynthetic process palmitoyltransferase activity|enoyl-[acyl-carrier-protein] reductase (NADPH, B-specific) activity|fatty acid synthase activity|3-hydroxyacyl-[acyl-carrier-protein] dehydratase activity|[acyl-carrier-protein] S-acetyltransferase activity|[acyl-carrier-protein] S-malonyltransferase activity cytosol|fatty acid synthase complex|mitochondrion|lipid particle|cytoplasm YGR222W PET54 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00844861160608226 0.624810566908195 1657 Mitochondrial inner membrane protein; binds to the 5' UTR of the COX3 mRNA to activate its translation together with Pet122p and Pet494p; also binds to the COX1 Group I intron AI5 beta to facilitate exon ligation during splicing Group I intron splicing|positive regulation of mitochondrial translation|mitochondrial respiratory chain complex IV biogenesis translation regulator activity|RNA binding mitochondrion|extrinsic to mitochondrial inner membrane|mitochondrial inner membrane|mitochondrial matrix YDL192W ARF1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|RESPONSE TO NUTRIENT LEVELS|GOLGI APPARATUS 0.00842798147793798 0.625656260251872 1658 ADP-ribosylation factor; GTPase of the Ras superfamily involved in regulation of coated vesicle formation in intracellular trafficking within the Golgi; ARF1 has a paralog, ARF2, that arose from the whole genome duplication ER to Golgi vesicle-mediated transport|Golgi to plasma membrane transport|intra-Golgi vesicle-mediated transport|macroautophagy GTPase activity cytosol|Golgi-associated vesicle YNL055C POR1 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.00834093419569919 0.629076565878959 1659 Mitochondrial porin (voltage-dependent anion channel); outer membrane protein required for the maintenance of mitochondrial osmotic stability and mitochondrial membrane permeability; phosphorylated; protein abundance increases in response to DNA replication stress; POR1 has a paralog, POR2, that arose from the whole genome duplication DNA transport|mitochondrion organization|apoptotic process|ion transport|cell redox homeostasis voltage-gated anion channel activity mitochondrial outer membrane|mitochondrion|integral to mitochondrial outer membrane YLR017W MEU1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.00833584650765046 0.629285784104479 1660 Methylthioadenosine phosphorylase (MTAP), catalyzes the initial step in the methionine salvage pathway; affects polyamine biosynthesis through regulation of ornithine decarboxylase (Spe1p) activity; regulates ADH2 gene expression L-methionine salvage from methylthioadenosine|glutamate biosynthetic process S-methyl-5-thioadenosine phosphorylase activity|mRNA binding cytoplasm YDL165W CDC36 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RNA PROCESSING|NUCLEUS 0.00833174293154482 0.629454554903168 1661 Component of the CCR4-NOT complex, which has multiple roles in regulating mRNA levels including regulation of transcription and destabilizing mRNAs by deadenylation; basal transcription factor response to pheromone involved in conjugation with cellular fusion|regulation of cell cycle|deadenylation-independent decapping of nuclear-transcribed mRNA|positive regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter|nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay|negative regulation of transcription from RNA polymerase II promoter|nuclear-transcribed mRNA poly(A) tail shortening|transcription elongation from RNA polymerase II promoter|protein ubiquitination ubiquitin-protein ligase activity CCR4-NOT core complex|nucleus|cytoplasm YLR382C NAM2 hom FT KETONE METABOLISM|RNA PROCESSING|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00832634471122401 0.630290075880367 1662 Mitochondrial leucyl-tRNA synthetase, also has a direct role in splicing of several mitochondrial group I introns; indirectly required for mitochondrial genome maintenance Group I intron splicing|leucyl-tRNA aminoacylation|mitochondrial translation mRNA binding|leucine-tRNA ligase activity mitochondrion YGL259W_p YPS5 hom FT PROTEOLYSIS 0.00831367540996272 0.630197861163231 1663 Protein with similarity to GPI-anchored aspartic proteases such as Yap1p and Yap3p biological_process aspartic-type endopeptidase activity cellular_component YOR258W HNT3 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.00828824908161067 0.631244546163117 1664 DNA 5' AMP hydrolase involved in DNA repair; member of the histidine triad (HIT) superfamily of nucleotide-binding proteins; homolog of Aprataxin, a Hint related protein that is mutated in individuals with ataxia with oculomotor apraxia; relative distribution to nuclear foci decreases upon DNA replication stress response to DNA damage stimulus DNA 5'-adenosine monophosphate hydrolase activity nucleus|cytoplasm YER123W YCK3 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|NUCLEUS|PLASMA MEMBRANE 0.00822028109251972 0.634299040861478 1665 Palmitoylated, vacuolar membrane-localized casein kinase I isoform; negatively regulates vacuole fusion during hypertonic stress via phosphorylation of Vps41p; shares essential functions with Hrr25p; regulates vesicle fusion in AP-3 pathway vesicle-mediated transport|protein phosphorylation protein serine/threonine kinase activity|protein kinase activity fungal-type vacuole membrane|plasma membrane|nucleus|fungal-type vacuole YGL137W SEC27 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00818541931103134 0.635485101590858 1666 Essential beta'-coat protein of the COPI coatomer, involved in ER-to-Golgi and Golgi-to-ER transport; contains WD40 domains that mediate cargo selective interactions; 45% sequence identity to mammalian beta'-COP retrograde vesicle-mediated transport, Golgi to ER|late endosome to vacuole transport via multivesicular body sorting pathway|ER to Golgi vesicle-mediated transport ubiquitin binding COPI vesicle coat YML128C MSC1 hom FT CELL CYCLE|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.00815829409208979 0.636605709549914 1667 Protein of unknown function; mutant is defective in directing meiotic recombination events to homologous chromatids; the authentic, non-tagged protein is detected in highly purified mitochondria and is phosphorylated reciprocal meiotic recombination molecular_function mitochondrion|endoplasmic reticulum|plasma membrane YLR313C SPH1 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.00809883692359758 0.639064934253774 1668 Protein involved in shmoo formation and bipolar bud site selection; homologous to Spa2p, localizes to sites of polarized growth in a cell cycle dependent- and Spa2p-dependent manner, interacts with MAPKKs Mkk1p, Mkk2p, and Ste7p bipolar cellular bud site selection|pseudohyphal growth|invasive filamentous growth|mating projection assembly molecular_function incipient cellular bud site|cellular bud neck|cellular bud tip|mating projection YEL033W_p MTC7 hom 0.00807302963187969 0.640482829581624 1669 Predicted metabolic role based on network analysis derived from ChIP experiments, a large-scale deletion study and localization of transcription factor binding sites; null mutant is sensitive to temperature oscillation in a cdc13-1 mutant biological_process molecular_function cellular_component YGR155W CYS4 hom FT KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|MITOCHONDRION 0.0080677267290773 0.640802143744755 1670 Cystathionine beta-synthase, catalyzes synthesis of cystathionine from serine and homocysteine, the first committed step in cysteine biosynthesis; responsible for hydrogen sulfide generation; advances passage through START by promoting cell growth which requires catalytic activity, and reducing critical cell size independent of catalytic activity; mutations in human ortholog cause homocystinuria cysteine biosynthetic process from serine|hydrogen sulfide biosynthetic process|cysteine biosynthetic process via cystathionine|transsulfuration|traversing start control point of mitotic cell cycle cystathionine beta-synthase activity mitochondrion|cytoplasm YBR056W-A_p YBR056W-A hom 0.00804021532909725 0.641493488194927 1671 Protein of unknown function; mRNA identified as translated by ribosome profiling data; partially overlaps the dubious ORF YBR056C-B biological_process molecular_function cellular_component YGR289C MAL11 hom FT CARBOHYDRATE METABOLISM|PLASMA MEMBRANE 0.00803853352752752 0.64176205895767 1672 Inducible high-affinity maltose transporter (alpha-glucoside transporter); encoded in the MAL1 complex locus; broad substrate specificity that includes maltotriose; required for isomaltose utilization trehalose transport|maltose transport|disaccharide catabolic process trehalose transmembrane transporter activity|alpha-glucoside:hydrogen symporter activity|maltose:hydrogen symporter activity integral to membrane|plasma membrane YLR303W MET17 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.00802454605003834 0.642143280664936 1673 Methionine and cysteine synthase (O-acetyl homoserine-O-acetyl serine sulfhydrylase), required for sulfur amino acid synthesis methionine metabolic process|cysteine biosynthetic process O-acetylhomoserine aminocarboxypropyltransferase activity|cysteine synthase activity plasma membrane|cytoplasm YDR485C VPS72 hom FF|FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0080203263153836 0.642318316524228 1674 Htz1p-binding component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A; required for vacuolar protein sorting chromatin remodeling|histone exchange histone binding Swr1 complex|nucleus|cytoplasm YDR011W SNQ2 hom FF|FT NUCLEOTIDE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.00801937527716931 0.64235776861723 1675 Plasma membrane ATP-binding cassette (ABC) transporter, multidrug transporter involved in multidrug resistance and resistance to singlet oxygen species response to drug xenobiotic-transporting ATPase activity mitochondrion|integral to membrane|plasma membrane YJL209W CBP1 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00800154877818653 0.643295578018748 1676 Mitochondrial protein, regulator of COB mRNA stability and translation; interacts with the 5'-untranslated region of the COB mRNA; found in a complex at the inner membrane along with Pet309p; localizes to mitochondrial foci upon DNA replication stress mitochondrial mRNA catabolic process|aerobic respiration mRNA binding mitochondrion|extrinsic to mitochondrial inner membrane YCR061W_p YCR061W hom 0.00797313783889496 0.644277059572536 1677 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern; induced by treatment with 8-methoxypsoralen and UVA irradiation regulation of cell size molecular_function integral to membrane|cytoplasm YOR250C CLP1 het FT RNA PROCESSING|NUCLEUS 0.00796854148673094 0.644467981524309 1678 Component of the cleavage and polyadenylation factor I (CF I); CF 1, composed of the CF 1A complex (Rna14p, Rna15p, Clp1p, Pcf11p) and Hrp1, is involved in cleavage and polyadenylation of mRNA 3' ends; involved in both the endonucleolyitc cleavage and polyadenylation steps of mRNA 3'-end maturation mRNA 3'-end processing|mRNA cleavage|mRNA polyadenylation RNA binding mRNA cleavage factor complex YOR224C RPB8 het FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00794864032226059 0.645590591254813 1679 RNA polymerase subunit ABC14.5, common to RNA polymerases I, II, and III tRNA transcription from RNA polymerase III promoter|transcription from RNA polymerase I promoter|transcription from RNA polymerase III promoter|transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex|DNA-directed RNA polymerase I complex|DNA-directed RNA polymerase II, core complex YPR039W_d YPR039W hom 0.00794078219311742 0.645621537003149 1680 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified non essential genes ERV2/YPR037C and TIP41/YPR040W Unknown Unknown Unknown YPL215W CBP3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.00792658028231842 0.646212036503636 1681 Mitochondrial protein required for assembly of cytochrome bc1 complex; forms a complex with Cbp6p that binds to mt ribosomes near the polypeptide tunnel exit and promotes efficient translation of the COB mRNA; Cbp3p-Cbp6p complex also interacts with newly synthesized cytochrome b (Cobp) and Cbp4p to promote assembly of Cobp into the cytochrome bc1 complex positive regulation of mitochondrial translation|mitochondrial respiratory chain complex III assembly ribosome binding integral to mitochondrial membrane|mitochondrion|mitochondrial ribosome YER087C-B SBH1 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00791409740389037 0.646731244622782 1682 Beta subunit of the Sec61p ER translocation complex (Sec61p-Sss1p-Sbh1p); involved in protein translocation into the endoplasmic reticulum; interacts with the exocyst complex and also with Rtn1p; homologous to Sbh2p posttranslational protein targeting to membrane, translocation|SRP-dependent cotranslational protein targeting to membrane, translocation ARF guanyl-nucleotide exchange factor activity|P-P-bond-hydrolysis-driven protein transmembrane transporter activity Sec61 translocon complex YHR179W OYE2 hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS|MITOCHONDRION 0.00780197264362151 0.651402603691784 1683 Conserved NADPH oxidoreductase containing flavin mononucleotide (FMN); responsible for geraniol reduction into citronellol during fermentation; homologous to Oye3p with different ligand binding and catalytic properties; may be involved in sterol metabolism, oxidative stress response, and programmed cell death; protein abundance increases in response to DNA replication stress apoptotic process NADPH dehydrogenase activity mitochondrion|nucleus|cytoplasm YGR255C COQ6 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM|MITOCHONDRION 0.0077470303311009 0.65369663672761 1684 Putative flavin-dependent monooxygenase; involved in ubiquinone (Coenzyme Q) biosynthesis; localizes to the matrix face of the mitochondrial inner membrane in a large complex with other ubiquinone biosynthetic enzymes; human COX6 can rescue a yeast cox6 mutant and is implicated in steroid-resistant nephrotic syndrome (SRNS) ubiquinone biosynthetic process N,N-dimethylaniline monooxygenase activity mitochondrion|mitochondrial inner membrane YKL051W SFK1 hom FT LIPID METABOLISM|SIGNALING|CYTOSKELETON ORGANIZATION|PLASMA MEMBRANE 0.0077403700822545 0.653974948299983 1685 Plasma membrane protein that may act together with or upstream of Stt4p to generate normal levels of the essential phospholipid PI4P, at least partially mediates proper localization of Stt4p to the plasma membrane vacuole organization|inositol lipid-mediated signaling|actin cytoskeleton organization molecular_function integral to membrane|plasma membrane YBR097W VPS15 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|PROTEIN PHOSPHORYLATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS|PEROXISOME ORGANIZATION|ENDOMEMBRANE SYSTEM|MITOCHONDRION|GOLGI APPARATUS 0.00772542910433501 0.654599461325848 1686 Serine/threonine protein kinase involved in vacuolar protein sorting; functions as a membrane-associated complex with Vps34p; active form recruits Vps34p to the Golgi membrane; interacts with the GDP-bound form of Gpa1p; myristoylated; a fraction is localized, with Vps34p, to nuclear pores at nucleus-vacuole junctions and may facilitate transcription elongation for genes positioned at the nuclear periphery protein retention in Golgi apparatus|vacuole inheritance|peroxisome degradation|protein phosphorylation|macroautophagy|inositol lipid-mediated signaling|late endosome to vacuole transport|protein targeting to vacuole ubiquitin binding|protein serine/threonine kinase activity mitochondrion|phosphatidylinositol 3-kinase complex I|phosphatidylinositol 3-kinase complex II|Golgi membrane YGL118C_d YGL118C hom 0.00772402065422529 0.654658345140531 1687 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL262W FUM1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.00771145088923743 0.655713393474679 1688 Fumarase, converts fumaric acid to L-malic acid in the TCA cycle; cytosolic and mitochondrial distribution determined by the N-terminal targeting sequence, protein conformation, and status of glyoxylate shunt; phosphorylated in mitochondria fumarate metabolic process|tricarboxylic acid cycle fumarate hydratase activity cytosol|mitochondrion|mitochondrial matrix YNR075W COS10 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.00768806232183087 0.65621037162646 1689 Protein of unknown function, member of the DUP380 subfamily of conserved, often subtelomerically-encoded proteins endocytosis molecular_function nuclear envelope|integral to membrane|endoplasmic reticulum|cytoplasm YBR056W YBR056W hom FT CARBOHYDRATE METABOLISM 0.00768419550318784 0.6565640686561 1690 Putative glycoside hydrolase of the mitochondrial intermembrane space biological_process molecular_function cytoplasm YJR042W NUP85 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00755115884594995 0.661901478061802 1691 Subunit of the Nup84p subcomplex of the nuclear pore complex (NPC); contributes to nucleocytoplasmic transport and NPC biogenesis and is involved in establishment of a normal nucleocytoplasmic concentration gradient of the GTPase Gsp1p; also plays roles in several processes that may require localization of genes or chromosomes at the nuclear periphery, including double-strand break repair, transcription and chromatin silencing; homologous to human NUP85 aka NUP75 positive regulation of transcription, DNA-dependent|mRNA export from nucleus|ribosomal large subunit export from nucleus|protein import into nucleus|nuclear pore distribution structural constituent of nuclear pore integral to membrane|nuclear pore|nuclear pore outer ring YAL053W FLC2 hom FT CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00753407467565376 0.662619061138391 1692 Putative FAD transporter; required for uptake of FAD into endoplasmic reticulum; involved in cell wall maintenance; FLC2 has a paralog, YOR365C, that arose from the whole genome duplication protein folding|fungal-type cell wall biogenesis|FAD transport|transmembrane transport FAD transmembrane transporter activity integral to membrane|endoplasmic reticulum|cytoplasm YKR057W RPS21A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.00751439901792571 0.663587189314274 1693 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S21, no bacterial homolog; RPS21A has a paralog, RPS21B, that arose from the whole genome duplication cytoplasmic translation|endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit YNL199C GCR2 hom FT TRANSCRIPTION FROM RNA POL II|RIBOSOME BIOGENESIS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|ENDOMEMBRANE SYSTEM|NUCLEUS 0.00747133254554333 0.665257059340347 1694 Transcriptional activator of genes involved in glycolysis; interacts and functions with the DNA-binding protein Gcr1p positive regulation of ribosomal protein gene transcription from RNA polymerase II promoter|regulation of glycolysis by positive regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II activating transcription factor binding|RNA polymerase II transcription factor binding transcription factor activity nuclear envelope|nucleus YMR058W FET3 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00747126878329232 0.665259742344581 1695 Ferro-O2-oxidoreductase; required for high-affinity iron uptake and involved in mediating resistance to copper ion toxicity, belongs to class of integral membrane multicopper oxidases; protein abundance increases in response to DNA replication stress iron assimilation by reduction and transport|high-affinity iron ion transport|response to copper ion ferroxidase activity|iron ion transmembrane transporter activity integral to membrane|high affinity iron permease complex|plasma membrane YBL106C SRO77 hom FF|FT VESICLE-MEDIATED TRANSPORT|PLASMA MEMBRANE 0.00747104532701179 0.665269145028672 1696 Protein with roles in exocytosis and cation homeostasis; functions in docking and fusion of post-Golgi vesicles with plasma membrane; homolog of Drosophila lethal giant larvae tumor suppressor; interacts with SNARE protein Sec9p; SRO77 has a paralog, SRO7, that arose from the whole genome duplication exocytosis|Golgi to plasma membrane transport molecular_function plasma membrane YEL046C GLY1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.00745204666467856 0.66620912920241 1697 Threonine aldolase, catalyzes the cleavage of L-allo-threonine and L-threonine to glycine; involved in glycine biosynthesis threonine catabolic process|glycine biosynthetic process threonine aldolase activity|L-allo-threonine aldolase activity cytosol YGL192W IME4 hom FT CELL CYCLE|NUCLEUS 0.00741855283978743 0.667619244800005 1698 Probable mRNA N6-adenosine methyltransferase required for entry into meiosis; transcribed in diploid cells; haploids repress IME4 transcription via production of antisense IME4 transcripts; antisense transcription is repressed in diploids meiosis|mRNA methylation mRNA (N6-adenosine)-methyltransferase activity cellular_component YGR233C PHO81 hom FT LIPID METABOLISM|NUCLEUS 0.00741366976438988 0.66768515496585 1699 Cyclin-dependent kinase (CDK) inhibitor; regulates Pho80p-Pho85p and Pcl7p-Pho85p cyclin-CDK complexes in response to phosphate levels; inhibitory activity for Pho80p-Pho85p requires myo-D-inositol heptakisphosphate (IP7) generated by Vip1p; relative distribution to the nucleus increases upon DNA replication stress phosphate-containing compound metabolic process cyclin-dependent protein kinase inhibitor activity nucleus|cytoplasm YNL308C KRI1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00739300514075413 0.668556160809651 1700 Essential nucleolar protein required for 40S ribosome biogenesis; associate with snR30; physically and functionally interacts with Krr1p endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleolus YJL014W CCT3 het FF 0.00734853768797598 0.67061699425755 1701 Subunit of the cytosolic chaperonin Cct ring complex, related to Tcp1p, required for the assembly of actin and tubulins in vivo protein folding unfolded protein binding chaperonin-containing T-complex YCR026C NPP1 hom FT NUCLEOTIDE METABOLISM|RESPONSE TO NUTRIENT LEVELS 0.00733717356255416 0.670911668432759 1702 Nucleotide pyrophosphatase/phosphodiesterase; mediates extracellular nucleotide phosphate hydrolysis along with Npp2p and Pho5p; activity and expression enhanced during conditions of phosphate starvation; NPP1 has a paralog, NPP2, that arose from the whole genome duplication cellular response to phosphate starvation|phosphate-containing compound metabolic process|nucleoside triphosphate metabolic process nucleotide diphosphatase activity|nucleoside-triphosphate diphosphatase activity|nucleoside-triphosphatase activity|phosphodiesterase I activity cellular_component YDL115C IWR1 hom FT PROTEIN LOCALIZATION|NUCLEUS|RNA POL II, HOLOENZYME 0.00733557906332597 0.670978987230116 1703 RNA polymerase II transport factor, conserved from yeast to humans; also has a role in transporting RNA polymerase III into the nucleus; interacts with most of the RNAP II subunits; nucleo-cytoplasmic shuttling protein; deletion causes hypersensitivity to K1 killer toxin; protein increases in abundance and relocalizes from nucleus to cytoplasm upon DNA replication stress cellular protein complex localization|nucleocytoplasmic transport protein binding nucleus|DNA-directed RNA polymerase II, holoenzyme|cytoplasm YDR386W MUS81 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS 0.00733426294450032 0.671034554963046 1704 Subunit of the structure-specific Mms4p-Mus81p endonuclease that cleaves branched DNA; involved in DNA repair, replication fork stability, and joint molecule formation/resolution during meiotic recombination; helix-hairpin-helix protein; phosphorylation of the non-catalytic subunit Mms4p by Cdc28p and Cdcp during mitotic cell cycle activates the function of Mms4p-Mus81p DNA repair|DNA topological change|reciprocal meiotic recombination|resolution of meiotic recombination intermediates|response to DNA damage stimulus crossover junction endodeoxyribonuclease activity|endonuclease activity Holliday junction resolvase complex|nucleus YER074W RPS24A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|MITOCHONDRION|RIBOSOME 0.00733212259964694 0.671124926107579 1705 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S24, no bacterial homolog; RPS24A has a paralog, RPS24B, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit|mitochondrion YEL024W RIP1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00731275616675277 0.672219339132914 1706 Ubiquinol-cytochrome-c reductase, a Rieske iron-sulfur protein of the mitochondrial cytochrome bc1 complex; transfers electrons from ubiquinol to cytochrome c1 during respiration; during import, Rip1p is first imported into the mitochondrial matrix where it is processed, acquires its Fe-S cluster, and is folded, then is translocated into the inner membrane by the action of a homo-oligomer of Bcs1p, and finally is delivered by Bcs1p to Complex III for assembly mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|mitochondrial respiratory chain complex III YIL021W RPB3 het FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00729983250775665 0.672672906649008 1707 RNA polymerase II third largest subunit B44, part of central core; similar to prokaryotic alpha subunit termination of RNA polymerase II transcription|transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|DNA-directed RNA polymerase activity nucleoplasm|DNA-directed RNA polymerase II, core complex YFR002W NIC96 het FF|FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00729035695117202 0.672889334802904 1708 Linker nucleoporin component of the nuclear pore complex (NPC); also part of the NPC nuclear basket; contributes to nucleocytoplasmic transport and NPC biogenesis; forms stable associations with three FG-nucleoporins (Nsp1p, Nup57p, and Nup49p) ribosomal large subunit export from nucleus|protein import into nucleus|nuclear pore organization structural constituent of nuclear pore integral to membrane|nuclear pore nuclear basket|nuclear pore linkers|nuclear pore YOR187W TUF1 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00728140306939614 0.673267830423565 1709 Mitochondrial translation elongation factor Tu; comprises both GTPase and guanine nucleotide exchange factor activities, while these activities are found in separate proteins in S. pombe and humans mitochondrial translational elongation|mitochondrial translation GTPase activity|translation elongation factor activity mitochondrion|mitochondrial matrix YGR178C PBP1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|NUCLEUS|MITOCHONDRION 0.00725862281848254 0.674231162682179 1710 Component of glucose deprivation induced stress granules; involved in P-body-dependent granule assembly; similar to human ataxin-2; interacts with Pab1p to regulate mRNA polyadenylation; interacts with Mkt1p to regulate HO translation; protein increases in abundance and relative distribution to the nucleus increases upon DNA replication stress positive regulation of translation|mRNA polyadenylation|stress granule assembly molecular_function mitochondrion|nucleus|polysome|cytoplasmic stress granule|cytoplasm YDR176W NGG1 hom FF|FT CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.00719132741935361 0.677080067716686 1711 Transcriptional regulator involved in glucose repression of Gal4p-regulated genes; component of transcriptional adaptor and histone acetyltransferase complexes, the ADA complex, the SAGA complex, and the SLIK complex histone acetylation|chromatin modification histone acetyltransferase activity|transcription cofactor activity SLIK (SAGA-like) complex|Ada2/Gcn5/Ada3 transcription activator complex|SAGA complex YKL019W RAM2 het FT PROTEIN PRENYLATION 0.0071818174761942 0.677483038539045 1712 Alpha subunit of both the farnesyltransferase and type I geranylgeranyltransferase that catalyze prenylation of proteins containing a CAAX consensus motif; essential protein required for membrane localization of Ras proteins and a-factor protein farnesylation|protein geranylgeranylation|peptide pheromone maturation protein geranylgeranyltransferase activity|protein farnesyltransferase activity|CAAX-protein geranylgeranyltransferase activity CAAX-protein geranylgeranyltransferase complex|protein farnesyltransferase complex YDL130W RPP1B hom FT TRANSLATION|RIBOSOME 0.00716500428507751 0.678467580086987 1713 Ribosomal protein P1 beta, component of the ribosomal stalk, which is involved in interaction of translational elongation factors with ribosome; accumulation is regulated by phosphorylation and interaction with the P2 stalk component cytoplasmic translation|translational elongation structural constituent of ribosome cytosolic large ribosomal subunit YKL058W TOA2 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00713644068790986 0.679452230424056 1714 TFIIA small subunit; involved in transcriptional activation, acts as antirepressor or as coactivator; homologous to smallest subunit of human and Drosophila TFIIA; protein abundance increases in response to DNA replication stress transcription initiation from RNA polymerase II promoter|RNA polymerase II transcriptional preinitiation complex assembly TBP-class protein binding|TBP-class protein binding RNA polymerase II transcription factor activity involved in preinitiation complex assembly|TBP-class protein binding RNA polymerase II transcription factor activity transcription factor TFIIA complex YER119C-A_d YER119C-A hom FF 0.00711118899910658 0.680478704113224 1715 Dubious open reading frame, not conserved in closely related Saccharomyces species; deletion mutation blocks replication of Brome mosaic virus in S. cerevisiae, but this is likely due to effects on the overlapping gene SCS2 Unknown Unknown Unknown YCL001W-A_p YCL001W-A hom 0.00709253229648411 0.681270861768911 1716 Putative protein of unknown function; YCL001W-A gene has similarity to DOM34 and is present in a region duplicated between chromosomes XIV and III biological_process molecular_function cellular_component YHR116W COX23 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00707674303898213 0.681986373156659 1717 Mitochondrial intermembrane space protein that functions in mitochondrial copper homeostasis, essential for functional cytochrome oxidase expression; homologous to Cox17p; contains twin cysteine-x9-cysteine motifs mitochondrial respiratory chain complex assembly molecular_function mitochondrion|cytoplasm YLR172C DPH5 hom 0.00706341347825004 0.682642241843203 1718 Methyltransferase required for synthesis of diphthamide, which is a modified histidine residue of translation elongation factor 2 (Eft1p or Eft2p); not essential for viability; GFP-Dph5p fusion protein localizes to the cytoplasm peptidyl-diphthamide biosynthetic process from peptidyl-histidine diphthine synthase activity cytoplasm YLR438C-A LSM3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00701769093947177 0.684452126963215 1719 Lsm (Like Sm) protein; part of heteroheptameric complexes (Lsm2p-7p and either Lsm1p or 8p): cytoplasmic Lsm1p complex involved in mRNA decay; nuclear Lsm8p complex part of U6 snRNP and possibly involved in processing tRNA, snoRNA, and rRNA; protein increases in abundance and relocalizes from nucleus to cytoplasmic foci upon DNA replication stress nuclear-transcribed mRNA catabolic process|mRNA splicing, via spliceosome RNA binding U6 snRNP|nucleolus|small nucleolar ribonucleoprotein complex|U4/U6 x U5 tri-snRNP complex YAR003W SWD1 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.00699831322730343 0.685276726778003 1720 Subunit of the COMPASS (Set1C) complex, which methylates histone H3 on lysine 4 and is required in transcriptional silencing near telomeres; WD40 beta propeller superfamily member with similarity to mammalian Rbbp7 histone H3-K4 methylation|telomere maintenance|regulation of transcription, DNA-dependent|chromatin silencing at telomere histone methyltransferase activity (H3-K4 specific) Set1C/COMPASS complex YER146W LSM5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00698830905543134 0.685702591452442 1721 Lsm (Like Sm) protein; part of heteroheptameric complexes (Lsm2p-7p and either Lsm1p or 8p): cytoplasmic Lsm1p complex involved in mRNA decay; nuclear Lsm8p complex part of U6 snRNP and possibly involved in processing tRNA, snoRNA, and rRNA nuclear-transcribed mRNA catabolic process|mRNA splicing, via spliceosome RNA binding U6 snRNP|nucleolus|small nucleolar ribonucleoprotein complex|U4/U6 x U5 tri-snRNP complex YML124C TUB3 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|NUCLEOTIDE METABOLISM|CHROMOSOME SEGREGATION|NUCLEUS|CYTOSKELETON 0.00698818229782511 0.685752349443393 1722 Alpha-tubulin; associates with beta-tubulin (Tub2p) to form tubulin dimer, which polymerizes to form microtubules; expressed at lower level than Tub1p; TUB3 has a paralog, TUB1, that arose from the whole genome duplication nuclear migration along microtubule|nuclear migration involved in conjugation with cellular fusion|homologous chromosome segregation|mitotic sister chromatid segregation structural constituent of cytoskeleton tubulin complex|cytoplasmic microtubule|kinetochore microtubule|nuclear microtubule|spindle pole body|polar microtubule YPR120C CLB5 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.00690709410354406 0.689163490825156 1723 B-type cyclin involved in DNA replication during S phase; activates Cdc28p to promote initiation of DNA synthesis; functions in formation of mitotic spindles along with Clb3p and Clb4p; most abundant during late G1 phase spindle assembly|G1/S transition of mitotic cell cycle|regulation of S phase of mitotic cell cycle|G2/M transition of mitotic cell cycle|regulation of cyclin-dependent protein kinase activity|positive regulation of spindle pole body separation|premeiotic DNA replication|positive regulation of DNA replication cyclin-dependent protein kinase regulator activity nucleus YDR203W_d YDR203W hom FF 0.00689274156835895 0.689863503167897 1724 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL073W JEM1 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.00687906597431137 0.690403178282047 1725 DnaJ-like chaperone required for nuclear membrane fusion during mating, localizes to the ER membrane; exhibits genetic interactions with KAR2 karyogamy involved in conjugation with cellular fusion|ER-associated protein catabolic process|protein folding in endoplasmic reticulum unfolded protein binding|chaperone binding endoplasmic reticulum|nuclear outer membrane-endoplasmic reticulum membrane network YNR052C POP2 hom FF|FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS|SITE OF POLARIZED GROWTH 0.00686059506894867 0.691147940382705 1726 RNase of the DEDD superfamily, subunit of the Ccr4-Not complex that mediates 3' to 5' mRNA deadenylation regulation of transcription from RNA polymerase II promoter|positive regulation of transcription elongation from RNA polymerase II promoter|nuclear-transcribed mRNA poly(A) tail shortening|transcription elongation from RNA polymerase II promoter 3'-5'-exoribonuclease activity CCR4-NOT core complex|mating projection tip|cytoplasmic mRNA processing body|cytoplasm YLR271W_p YLR271W hom FT NUCLEUS 0.00682974812673128 0.693468326181506 1727 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and the nucleus and is induced in response to the DNA-damaging agent MMS biological_process molecular_function nucleus|cytoplasm YPL002C SNF8 hom FF|FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|PROTEOLYSIS|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.00679792756204965 0.693825772223071 1728 Component of the ESCRT-II complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; appears to be functionally related to SNF7; involved in glucose derepression negative regulation of transcription from RNA polymerase II promoter by glucose|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|protein targeting to vacuole molecular_function ESCRT II complex YPR137W RRP9 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00671899868351228 0.697332680684198 1729 Protein involved in pre-rRNA processing, associated with U3 snRNP; component of small ribosomal subunit (SSU) processosome; ortholog of the human U3-55k protein rRNA modification|rRNA processing snoRNA binding box C/D snoRNP complex|small-subunit processome|nucleolus|90S preribosome YBR290W BSD2 hom FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|PROTEOLYSIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM 0.00670187825280541 0.697937451855034 1730 Heavy metal ion homeostasis protein, facilitates trafficking of Smf1p and Smf2p metal transporters to the vacuole where they are degraded, controls metal ion transport, prevents metal hyperaccumulation, functions in copper detoxification metal ion transport|ubiquitin-dependent protein catabolic process|protein targeting to vacuole protein binding fungal-type vacuole membrane|integral to membrane|endoplasmic reticulum YLR015W BRE2 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.00668427168622961 0.698692120370313 1731 Subunit of COMPASS (Set1C) complex, which methylates Lys4 of histone H3 and functions in silencing at telomeres; has a C-terminal Sdc1 Dpy-30 Interaction (SDI) domain that mediates binding to Sdc1p; similar to trithorax-group protein ASH2L histone H3-K4 methylation|telomere maintenance|histone H3-K4 trimethylation|chromatin silencing at telomere histone methyltransferase activity (H3-K4 specific) Set1C/COMPASS complex YIL098C FMC1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00655651776756285 0.704176901537339 1732 Mitochondrial matrix protein, required for assembly or stability at high temperature of the F1 sector of mitochondrial F1F0 ATP synthase; null mutant temperature sensitive growth on glycerol is suppressed by multicopy expression of Odc1p mitochondrial proton-transporting ATP synthase complex assembly molecular_function mitochondrion|mitochondrial matrix YDR479C PEX29 hom FT PEROXISOME ORGANIZATION 0.00653394384715892 0.705147664517322 1733 Peroxisomal integral membrane peroxin; involved in the regulation of peroxisomal size, number and distribution; genetic interactions suggest that Pex28p and Pex29p act at steps upstream of those mediated by Pex30p, Pex31p, and Pex32p; forms ER foci upon DNA replication stress peroxisome organization molecular_function integral to membrane|peroxisomal membrane YHR028C DAP2 hom FT PROTEOLYSIS 0.00653138557631918 0.705257710042312 1734 Dipeptidyl aminopeptidase, synthesized as a glycosylated precursor; localizes to the vacuolar membrane; similar to Ste13p protein processing dipeptidyl-peptidase activity fungal-type vacuole membrane YOL002C IZH2 hom FT KETONE METABOLISM|LIPID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00651197995705094 0.706092654733572 1735 Plasma membrane protein involved in zinc homeostasis and osmotin-induced apoptosis; transcription regulated by Zap1p, zinc and fatty acid levels; similar to mammalian adiponectins; deletion increases sensitivity to elevated zinc response to zinc ion|cellular zinc ion homeostasis|response to toxin|cellular lipid metabolic process protein binding|metal ion binding integral to membrane|plasma membrane|membrane YJL207C LAA1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00650473446151238 0.706738660792032 1736 AP-1 accessory protein; colocalizes with clathrin to the late-Golgi apparatus; involved in TGN-endosome transport; physically interacts with AP-1; similar to the mammalian p200; may interact with ribosomes; YJL207C is a non-essential gene protein localization|retrograde transport, endosome to Golgi molecular_function AP-1 adaptor complex|ribosome|clathrin-coated vesicle YPL097W MSY1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00650299630651705 0.706479304443465 1737 Mitochondrial tyrosyl-tRNA synthetase mitochondrial tyrosyl-tRNA aminoacylation tyrosine-tRNA ligase activity mitochondrion YHR009C_p TDA3 hom FT VESICLE-MEDIATED TRANSPORT|OXIDATION-REDUCTION PROCESS 0.00645486605702477 0.708552082403955 1738 Putative oxidoreductase involved in late endosome to Golgi transport; physical and genetical interactions with Btn2p; null mutant is viable, has extended S phase, and sensitive to expression of top1-T722A allele; similar to human FOXRED1 retrograde transport, endosome to Golgi molecular_function late endosome|cytoplasm YBR255W MTC4 hom 0.00642310159643928 0.709921234983873 1739 Protein of unknown function, required for normal growth rate at 15 degrees C; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern; mtc4 is synthetically sick with cdc13-1 biological_process molecular_function cytoplasm YBR225W_p YBR225W hom 0.00640191145938354 0.710835120609573 1740 Putative protein of unknown function; non-essential gene identified in a screen for mutants affected in mannosylphophorylation of cell wall components biological_process molecular_function cellular_component YNL111C CYB5 hom FF|FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00637982721940252 0.711911196606471 1741 Cytochrome b5, involved in the sterol and lipid biosynthesis pathways; acts as an electron donor to support sterol C5-6 desaturation sterol biosynthetic process electron carrier activity endoplasmic reticulum membrane YML041C VPS71 hom FF|FT PROTEIN LOCALIZATION|CHROMATIN ORGANIZATION|VACUOLAR TRANSPORT|NUCLEUS|CHROMOSOME 0.00637400907562894 0.712367504866505 1742 Nucleosome-binding component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A; required for vacuolar protein sorting chromatin remodeling|protein targeting to vacuole|histone exchange nucleosome binding Swr1 complex|nucleus YDR526C_d YDR526C het FF 0.00629123570058222 0.715736764605032 1743 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YMR073C IRC21 hom FF 0.00628478414857696 0.716218435388747 1744 Putative protein of unknown function; may be involved in resistance to carboplatin and cisplatin; null mutant displays increase in spontaneous Rad52p foci; contains a lipid-binding domain and binds cardiolipin in a large-scale study response to drug molecular_function cytoplasm YOL038W PRE6 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.00627488571027802 0.716322144523552 1745 Alpha 4 subunit of the 20S proteasome; may replace alpha 3 subunit (Pre9p) under stress conditions to create a more active proteasomal isoform; GFP-fusion protein relocates from cytosol to the mitochondrial surface upon oxidative stress proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process molecular_function mitochondrion|proteasome core complex, alpha-subunit complex|proteasome storage granule|nucleus|nuclear outer membrane-endoplasmic reticulum membrane network YKL068W-A_p YKL068W-A hom 0.00625449714385524 0.717204226165761 1746 Putative protein of unknown function; identified by homology to Ashbya gossypii biological_process molecular_function cellular_component YDL093W PMT5 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00620662497814168 0.719276826184381 1747 Protein O-mannosyltransferase, transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; acts in a complex with Pmt3p, can instead interact with Pmt2p in some conditions; target for new antifungals protein O-linked mannosylation dolichyl-phosphate-mannose-protein mannosyltransferase activity integral to membrane|dolichyl-phosphate-mannose-protein mannosyltransferase complex YKL098W MTC2 hom 0.00618351379248036 0.720478005071876 1748 Protein of unknown function; mtc2 is synthetically sick with cdc13-1 biological_process molecular_function cellular_component YJL129C TRK1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0061210071902806 0.722988743784642 1749 Component of the Trk1p-Trk2p potassium transport system; 180 kDa high affinity potassium transporter; phosphorylated in vivo and interacts physically with the phosphatase Ppz1p, suggesting Trk1p acitivy is regulated by phosphorylation; TRK1 has a paralog, TRK2, that arose from the whole genome duplication cellular potassium ion homeostasis potassium ion transmembrane transporter activity membrane raft|integral to membrane|plasma membrane YDR533C HSP31 hom FT PROTEOLYSIS 0.00611267225728514 0.723350450648623 1750 Possible chaperone and cysteine protease; has similarity to E. coli Hsp31; member of the DJ-1/ThiJ/PfpI superfamily, which includes human DJ-1 involved in Parkinson's disease; exists as a dimer and contains a putative metal-binding site; protein abundance increases in response to DNA replication stress biological_process unfolded protein binding|cysteine-type peptidase activity cellular_component YJR140C HIR3 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS 0.00611129477637524 0.723410234440441 1751 Subunit of the HIR complex; a nucleosome assembly complex involved in regulation of histone gene transcription; involved in position-dependent gene silencing and nucleosome reassembly; ortholog of human CABIN1 protein DNA replication-independent nucleosome assembly|regulation of transcription involved in G1/S phase of mitotic cell cycle|transcription elongation from RNA polymerase II promoter nucleosome binding|DNA binding|transcription corepressor activity HIR complex|nucleus YJL128C PBS2 hom FF|FT PROTEIN LOCALIZATION|SIGNALING|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH 0.00606176243254563 0.725561096901782 1752 MAP kinase kinase of the HOG signaling pathway; activated under severe osmotic stress; mitophagy-specific regulator; plays a role in regulating Ty1 transposition activation of MAPK activity involved in osmosensory signaling pathway|actin filament organization|MAPK import into nucleus involved in osmosensory signaling pathway|protein phosphorylation|hyperosmotic response|osmosensory signaling pathway|cellular response to heat MAP-kinase scaffold activity|MAP kinase kinase activity|protein kinase activity cellular bud neck|cytoplasm|cellular bud tip YBR109C CMD1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|LIPID METABOLISM|MEMBRANE ORGANIZATION|CELL DIVISION|CYTOSKELETON ORGANIZATION|NUCLEUS|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0060093076734812 0.727841221570899 1753 Calmodulin; Ca++ binding protein that regulates Ca++ independent processes (mitosis, bud growth, actin organization, endocytosis, etc.) and Ca++ dependent processes (stress-activated pathways), targets include Nuf1p, Myo2p and calcineurin karyogamy involved in conjugation with cellular fusion|phosphatidylinositol biosynthetic process|NLS-bearing substrate import into nucleus|microautophagy|cell budding|vacuole fusion, non-autophagic|receptor-mediated endocytosis|cytoskeleton organization|spindle pole body organization|transcription factor import into nucleus calcium-dependent protein binding|protein binding|calcium ion binding incipient cellular bud site|central plaque of spindle pole body|mating projection tip|cellular bud neck|cellular bud tip YNL268W LYP1 hom FT MITOCHONDRION|PLASMA MEMBRANE 0.00595209460270354 0.730330930291604 1754 Lysine permease; one of three amino acid permeases (Alp1p, Can1p, Lyp1p) responsible for uptake of cationic amino acids basic amino acid transport basic amino acid transmembrane transporter activity mitochondrion|integral to membrane|plasma membrane YPR153W YPR153W hom 0.00594783196837301 0.730516539053365 1755 Putative protein of unknown function biological_process molecular_function integral to membrane YFR056C_d YFR056C hom 0.00594200183725447 0.730770427190798 1756 Dubious open reading frame unlikely to encode a protein based on available experimental and comparative sequence data; partially overlaps the uncharacterized gene YFR055W Unknown Unknown Unknown YPR181C SEC23 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00588342257945373 0.733323044652116 1757 GTPase-activating protein, stimulates the GTPase activity of Sar1p; component of the Sec23p-Sec24p heterodimer of the COPII vesicle coat, involved in ER to Golgi transport; substrate of Ubp3/Bre5 complex; ubiquitylated by Ub-ligase Rsp5p; proteasome-mediated degradation of Sec23p is regulated by Cdc48p regulation of COPII vesicle coating GTPase activator activity COPII vesicle coat YMR134W ERG29 het FT LIPID METABOLISM|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.00587600699882391 0.733837490018717 1758 Protein of unknown function that may be involved in iron metabolism; mutant bm-8 has a growth defect on iron-limited medium that is complemented by overexpression of Yfh1p; shows localization to the ER; highly conserved in ascomycetes cellular iron ion homeostasis|mitochondrion organization molecular_function nuclear envelope|endoplasmic reticulum|cytoplasm YHR108W GGA2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|VACUOLAR TRANSPORT|GOLGI APPARATUS 0.00583321722861284 0.735513114509911 1759 Protein that interacts with and regulates Arf1p and Arf2p in a GTP-dependent manner to facilitate traffic through the late Golgi; binds phosphatidylinositol 4-phosphate, which plays a role in TGN localization; has homology to gamma-adaptin protein targeting to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|Golgi to vacuole transport|Golgi to endosome transport ubiquitin binding|phosphatidylinositol-4-phosphate binding trans-Golgi network YDR456W NHX1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|GOLGI APPARATUS 0.00580759441542303 0.736631669084951 1760 Na+/H+ and K+/H+ exchanger, required for intracellular sequestration of Na+ and K+; located in the vacuole and late endosome compartments; required for osmotolerance to acute hypertonic shock and for vacuolar fusion sodium ion transmembrane transport|potassium ion transmembrane transport|cellular monovalent inorganic cation homeostasis|vacuolar acidification sodium:hydrogen antiporter activity|potassium:hydrogen antiporter activity trans-Golgi network|late endosome|fungal-type vacuole membrane|integral to membrane|early endosome YMR256C COX7 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00579749807736623 0.737299193626522 1761 Subunit VII of cytochrome c oxidase, which is the terminal member of the mitochondrial inner membrane electron transport chain mitochondrial electron transport, cytochrome c to oxygen cytochrome-c oxidase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex IV YPL252C YAH1 het FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.00576066562478891 0.738681773910313 1762 Ferredoxin of the mitochondrial matrix required for formation of cellular iron-sulfur proteins; involved in heme A biosynthesis; homologous to human adrenodoxin ubiquinone biosynthetic process|iron-sulfur cluster assembly|heme a biosynthetic process oxidoreductase activity, acting on NADH or NADPH, heme protein as acceptor mitochondrial matrix YGR017W_p YGR017W hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS 0.00572439433770495 0.740416935443876 1763 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to both the nucleus and the cytoplasm biological_process molecular_function nucleus|cytoplasm YJR034W PET191 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00571549085633316 0.740657009431291 1764 Protein required for assembly of cytochrome c oxidase; exists as an oligomer; described as both an integral mitochondrial inner membrane protein facing the intermembrane space (IMS) and as a soluble IMS protein; contains a twin Cx9C motif; imported into the IMS via the MIA import machinery mitochondrial respiratory chain complex IV assembly molecular_function mitochondrion|integral to mitochondrial inner membrane YDR226W ADK1 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.00568830713147579 0.74184642401349 1765 Adenylate kinase, required for purine metabolism; localized to the cytoplasm and the mitochondria; lacks cleavable signal sequence; protein abundance increases in response to DNA replication stress ADP biosynthetic process|DNA replication initiation|nucleotide metabolic process adenylate kinase activity mitochondrion|mitochondrial intermembrane space|cytoplasm YPL259C APM1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00564984376800943 0.743530428290698 1766 Mu1-like medium subunit of the clathrin-associated protein complex (AP-1); binds clathrin; involved in clathrin-dependent Golgi protein sorting Golgi to vacuole transport|vesicle-mediated transport clathrin binding AP-1 adaptor complex YPR107C YTH1 het FF|FT RNA PROCESSING|NUCLEUS 0.005629139281832 0.744621363150873 1767 Essential RNA-binding component of cleavage and polyadenylation factor, contains five zinc fingers; required for pre-mRNA 3'-end processing and polyadenylation mRNA cleavage|mRNA polyadenylation RNA binding mRNA cleavage and polyadenylation specificity factor complex YDR361C BCP1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.00558111943396817 0.74665187396234 1768 Essential protein involved in nuclear export of Mss4p, which is a lipid kinase that generates phosphatidylinositol 4,5-biphosphate and plays a role in actin cytoskeleton organization and vesicular transport protein export from nucleus|ribosomal large subunit export from nucleus molecular_function nucleus|cytoplasm YAL001C TFC3 het FF|FT PROTEIN LOCALIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.00554853931704909 0.747971596084592 1769 Largest of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC); part of the TauB domain of TFIIIC that binds DNA at the BoxB promoter sites of tRNA and similar genes; cooperates with Tfc6p in DNA binding protein localization to chromatin|transcription from a RNA polymerase III hybrid type promoter|transcription from RNA polymerase III type 2 promoter|5S class rRNA transcription from RNA polymerase III type 1 promoter RNA polymerase III type 1 promoter sequence-specific DNA binding|RNA polymerase III type 2 promoter sequence-specific DNA binding TFIIIB recruiting transcription factor activity|RNA polymerase III type 2 promoter sequence-specific DNA binding|RNA polymerase III type 1 promoter sequence-specific DNA binding TFIIIB recruiting transcription factor activity|DNA binding, bending transcription factor TFIIIC complex|mitochondrion|nuclear condensin complex YMR168C CEP3 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CYTOSKELETON ORGANIZATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.00551562325361018 0.749416439560474 1770 Essential kinetochore protein, component of the CBF3 complex that binds the CDEIII region of the centromere; contains an N-terminal Zn2Cys6 type zinc finger domain, a C-terminal acidic domain, and a putative coiled coil dimerization domain septin ring assembly|mitotic cell cycle spindle assembly checkpoint sequence-specific DNA binding|DNA binding, bending|centromeric DNA binding condensed nuclear chromosome kinetochore|CBF3 complex YKL176C LST4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM 0.00549061219495237 0.750514882901844 1771 Protein possibly involved in a post-Golgi secretory pathway; required for the transport of nitrogen-regulated amino acid permease Gap1p from the Golgi to the cell surface intracellular protein transport|vesicle-mediated transport|protein transport|Golgi to plasma membrane transport protein transporter activity vesicle coat YDR280W RRP45 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00547039061399557 0.751654387591956 1772 Exosome non-catalytic core component; involved in 3'-5' RNA processing and degradation in both the nucleus and the cytoplasm; has similarity to E. coli RNase PH and to human hRrp45p (PM/SCL-75, EXOSC9); protein abundance increases in response to DNA replication stress U5 snRNA 3'-end processing|nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent rRNA catabolic process|nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay|nonfunctional rRNA decay|nuclear polyadenylation-dependent mRNA catabolic process|U4 snRNA 3'-end processing|nuclear-transcribed mRNA catabolic process, exonucleolytic, 3'-5'|polyadenylation-dependent snoRNA 3'-end processing|U1 snRNA 3'-end processing|exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|nuclear-transcribed mRNA catabolic process, non-stop decay molecular_function nucleolus|nuclear exosome (RNase complex)|cytoplasmic exosome (RNase complex) YOR035C SHE4 hom FF|FT CYTOSKELETON ORGANIZATION|RNA LOCALIZATION 0.00539981130934214 0.754825999616552 1773 Protein containing a UCS (UNC-45/CRO1/SHE4) domain, binds to myosin motor domains to regulate myosin function; involved in endocytosis, polarization of the actin cytoskeleton, and asymmetric mRNA localization mating type switching|intracellular mRNA localization|actin cytoskeleton organization myosin binding cytoplasm YOR236W DFR1 het FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.00536714864229701 0.755944563609376 1774 Dihydrofolate reductase involved in tetrahydrofolate biosynthesis; required for respiratory metabolism tetrahydrofolate biosynthetic process|dihydrofolate metabolic process dihydrofolate reductase activity|mRNA binding cytosol YDR385W EFT2 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|RIBOSOME 0.00529417692885371 0.759159407090337 1775 Elongation factor 2 (EF-2), also encoded by EFT1; catalyzes ribosomal translocation during protein synthesis; contains diphthamide, the unique posttranslationally modified histidine residue specifically ADP-ribosylated by diphtheria toxin; EFT2 has a paralog, EFT1, that arose from the whole genome duplication translational elongation|positive regulation of translational elongation translation elongation factor activity ribosome YMR125W STO1 hom FT RNA PROCESSING|RNA LOCALIZATION|NUCLEUS 0.00525449381835234 0.76108231569705 1776 Large subunit of the nuclear mRNA cap-binding protein complex, interacts with Npl3p to carry nuclear poly(A)+ mRNA to cytoplasm; also involved in nuclear mRNA degradation and telomere maintenance; orthologous to mammalian CBP80 nuclear-transcribed mRNA catabolic process, nonsense-mediated decay|mRNA splicing, via spliceosome|response to osmotic stress mRNA binding commitment complex|nuclear cap binding complex|polysome YCL005W LDB16 hom FT MITOCHONDRION 0.00521782091203498 0.762527808855443 1777 Protein of unknown function; null mutants have decreased net negative cell surface charge; GFP-fusion protein expression is induced in response to the DNA-damaging agent MMS; native protein is detected in purified mitochondria biological_process molecular_function mitochondrion|lipid particle YIL002C INP51 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|CYTOSKELETON 0.00521517270166199 0.762679043308978 1778 Phosphatidylinositol 4,5-bisphosphate 5-phosphatase, synaptojanin-like protein with an N-terminal Sac1 domain, plays a role in phosphatidylinositol 4,5-bisphosphate homeostasis and in endocytosis; null mutation confers cold-tolerant growth phosphatidylinositol dephosphorylation phosphatidylinositol-4,5-bisphosphate 5-phosphatase activity membrane|cytoplasm YBR140C IRA1 het FF|FT SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.0051945921888993 0.763553426395626 1779 GTPase-activating protein; negatively regulates RAS by converting it from the GTP- to the GDP-bound inactive form, required for reducing cAMP levels under nutrient limiting conditions, mediates membrane association of adenylate cyclase; IRA1 has a paralog, IRA2, that arose from the whole genome duplication negative regulation of cAMP biosynthetic process|negative regulation of Ras protein signal transduction|regulation of adenylate cyclase activity|positive regulation of Ras GTPase activity Ras GTPase activator activity mitochondrion|integral to membrane|membrane YBR015C MNN2 hom FF|FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00513898401035707 0.766010376057668 1780 Alpha-1,2-mannosyltransferase, responsible for addition of the first alpha-1,2-linked mannose to form the branches on the mannan backbone of oligosaccharides, localizes to an early Golgi compartment protein glycosylation alpha-1,2-mannosyltransferase activity Golgi apparatus YKL212W SAC1 hom FF|FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.00513112053410762 0.766358000505752 1781 Phosphatidylinositol phosphate (PtdInsP) phosphatase; involved in hydrolysis of PtdIns[4]P in the early and medial Golgi; regulated by interaction with Vps74p; ER localized transmembrane protein which cycles through the Golgi; involved in protein trafficking and processing, secretion, and cell wall maintenance; regulates sphingolipid biosynthesis through the modulation of PtdIns(4)P metabolism phosphatidylinositol dephosphorylation phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity|phosphatidylinositol-3-phosphatase activity|phosphatidylinositol-4-phosphate phosphatase activity mitochondrial outer membrane|integral to endoplasmic reticulum membrane|mitochondrion|SPOTS complex|integral to Golgi membrane YKL142W MRP8 hom 0.00511878187858018 0.766903556088911 1782 Protein of unknown function; undergoes sumoylation; transcription induced under cell wall stress; protein levels are reduced under anaerobic conditions; protein abundance increases in response to DNA replication stress; originally thought to be a mitochondrial ribosomal protein based on sequence analysis biological_process molecular_function cytoplasm YPR109W_p YPR109W hom FT CELL CYCLE 0.00502217150333466 0.771179172074127 1783 Predicted membrane protein; dipoid deletion strain has high budding index biological_process molecular_function cellular_component YDR466W PKH3 hom FF|FT SIGNALING|CELL WALL ORG/BIOGENESIS|PROTEIN PHOSPHORYLATION 0.00498334054689482 0.772899653507939 1784 Protein kinase with similarity to mammalian phosphoinositide-dependent kinase 1 (PDK1) and yeast Pkh1p and Pkh2p, two redundant upstream activators of Pkc1p; identified as a multicopy suppressor of a pkh1 pkh2 double mutant MAPK cascade involved in cell wall biogenesis|protein phosphorylation protein kinase activity cellular_component YDL059C RAD59 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.00495749803891965 0.774143621244793 1785 Protein involved DNA double-strand break repair; repairs breaks in DNA during vegetative growth via recombination and single-strand annealing; anneals complementary single-stranded DNA; forms nuclear foci upon DNA replication stress; required for loading of Rad52p to DSBs; paralog of Rad52p DNA strand renaturation|telomere maintenance via recombination|double-strand break repair via break-induced replication|double-strand break repair via single-strand annealing protein binding nucleus YLR330W CHS5 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CARBOHYDRATE METABOLISM|GOLGI APPARATUS|SITE OF POLARIZED GROWTH 0.00492415551994848 0.775524106610121 1786 Component of the exomer complex, which also contains Csh6p, Bch1p, Bch2p, and Bud7p and is involved in export of selected proteins, such as chitin synthase Chs3p, from the Golgi to the plasma membrane ascospore wall assembly|conjugation with cellular fusion|cell wall chitin catabolic process|Golgi to plasma membrane transport|cellular bud site selection|regulation of transcription, DNA-dependent molecular_function mating projection tip|cytoplasm|exomer complex YMR238W DFG5 hom FT CELL WALL ORG/BIOGENESIS|CELL DIVISION|CARBOHYDRATE METABOLISM|PLASMA MEMBRANE 0.00489401911280957 0.776861438527972 1787 Putative mannosidase, essential glycosylphosphatidylinositol (GPI)-anchored membrane protein required for cell wall biogenesis in bud formation, involved in filamentous growth, homologous to Dcw1p pseudohyphal growth|fungal-type cell wall biogenesis|budding cell bud growth mannosidase activity anchored to plasma membrane YFL051C_p YFL051C hom FT PLASMA MEMBRANE 0.00488022500978289 0.777473785911573 1788 Putative protein of unknown function; YFL051C is not an essential gene biological_process molecular_function cellular_component YHR186C KOG1 het FT SIGNALING|RESPONSE TO NUTRIENT LEVELS|MITOCHONDRION|PLASMA MEMBRANE 0.00485890568653693 0.7784204643504 1789 Subunit of TORC1, a rapamycin-sensitive complex involved in growth control that contains Tor1p or Tor2p, Lst8p and Tco89p; contains four HEAT repeats and seven WD-40 repeats; may act as a scaffold protein to couple TOR and its effectors TOR signaling cascade|regulation of cell growth|cellular response to starvation ubiquitin binding TORC1 complex|fungal-type vacuole membrane|mitochondrion|plasma membrane YNL231C PDR16 hom FF|FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00484027207868399 0.779376437596924 1790 Phosphatidylinositol transfer protein (PITP); controlled by the multiple drug resistance regulator Pdr1p; localizes to lipid particles and microsomes; controls levels of various lipids, may regulate lipid synthesis; homologous to Pdr17p; protein abundance increases in response to DNA replication stress response to drug|sterol biosynthetic process|phospholipid biosynthetic process|phospholipid transport phosphatidylinositol transporter activity|phosphatidylcholine transporter activity cell periphery|lipid particle|plasma membrane|cytoplasm YDL041W_d YDL041W hom FF 0.00482874616643882 0.779760250422763 1791 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the verified gene SIR2/YDL042C Unknown Unknown Unknown YNL287W SEC21 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00480724799729215 0.780715670099884 1792 Gamma subunit of coatomer, a heptameric protein complex that together with Arf1p forms the COPI coat; involved in ER to Golgi transport of selective cargo retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport molecular_function endosome|COPI vesicle coat YFR029W PTR3 het FT PLASMA MEMBRANE 0.00477341763251271 0.78221982591829 1793 Component of the SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p), which senses external amino acid concentration and transmits intracellular signals that result in regulation of expression of amino acid permease genes response to amino acid stimulus molecular_function extrinsic to plasma membrane YFL042C_p YFL042C hom 0.00473523263294607 0.783949994769268 1794 Putative protein of unknown function; YFL042C is not an essential gene biological_process molecular_function cellular_component YOR255W OSW1 hom FT CELL WALL ORG/BIOGENESIS 0.0047342133459461 0.783963933905246 1795 Protein involved in sporulation; required for the construction of the outer spore wall layers; required for proper localization of Spo14p ascospore wall assembly|ascospore formation molecular_function prospore membrane YFL013W-A_d YFL013W-A hom 0.00466860712870211 0.787350711089167 1796 Dubious ORF unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps IES1/YFL013C; identified by gene-trapping, microarray expression analysis, and genome-wide homology searching Unknown Unknown Unknown YLR020C YEH2 hom FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|PLASMA MEMBRANE 0.00461216969771122 0.789400284743666 1797 Steryl ester hydrolase, catalyzes steryl ester hydrolysis at the plasma membrane; involved in sterol metabolism cell wall mannoprotein biosynthetic process|sterol metabolic process sterol esterase activity integral to membrane|plasma membrane YDR181C SAS4 hom FT CHROMATIN ORGANIZATION|PROTEOLYSIS|GENE SILENCING|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.00444318170593204 0.796944636328027 1798 Subunit of the SAS complex (Sas2p, Sas4p, Sas5p), which acetylates free histones and nucleosomes and regulates transcriptional silencing; required for the HAT activity of Sas2p chromatin silencing at telomere acetyltransferase activity|histone acetyltransferase activity nuclear chromatin|SAS acetyltransferase complex|nuclear chromosome, telomeric region YMR122C_d YMR122C hom 0.00442341354165447 0.797828427378704 1799 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL118W_d YDL118W hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.00440167457024075 0.798800627952964 1800 Dubious open reading frame, unlikely to encode a protein; overlaps almost completely with YDL119C; mutations that would affect both YDL118W and YDL119C confer defective telomere maintenance and are synthetically sick or lethal with alpha-synuclein biological_process molecular_function cellular_component YKL081W TEF4 hom FT TRANSLATION|MITOCHONDRION|RIBOSOME 0.00436683297378815 0.800359448178085 1801 Gamma subunit of translational elongation factor eEF1B, stimulates the binding of aminoacyl-tRNA (AA-tRNA) to ribosomes by releasing eEF1A (Tef1p/Tef2p) from the ribosomal complex translational elongation translation elongation factor activity mitochondrion|ribosome|eukaryotic translation elongation factor 1 complex YLR397C AFG2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS 0.00418023147054429 0.808721425180242 1802 ATPase of the CDC48/PAS1/SEC18 (AAA) family, forms a hexameric complex; is essential for pre-60S maturation and release of several preribosome maturation factors; releases Rlp24p from purified pre-60S particles in vitro; may be involved in degradation of aberrant mRNAs ribosomal large subunit biogenesis|response to drug ATPase activity intracellular|preribosome, large subunit precursor YKR058W GLG1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0041645703495526 0.809452109156902 1803 Glycogenin glucosyltransferase; self-glucosylating initiator of glycogen synthesis, also glucosylates n-dodecyl-beta-D-maltoside; similar to mammalian glycogenin; GLG1 has a paralog, GLG2, that arose from the whole genome duplication glycogen biosynthetic process glycogenin glucosyltransferase activity cellular_component YBR257W POP4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00416436819627239 0.809433312033615 1804 Subunit of both RNase MRP and nuclear RNase P; RNase MRP cleaves pre-rRNA, while nuclear RNase P cleaves tRNA precursors to generate mature 5' ends and facilitates turnover of nuclear RNAs; binds to the RPR1 RNA subunit in RNase P tRNA processing|intronic box C/D snoRNA processing|mRNA cleavage|rRNA processing ribonuclease MRP activity|ribonuclease P activity nucleolar ribonuclease P complex|ribonuclease MRP complex YBL006C LDB7 hom FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|CELL WALL ORG/BIOGENESIS|NUCLEUS|RSC COMPLEX 0.00414370779663472 0.810388451434799 1805 Component of the RSC chromatin remodeling complex; interacts with Rsc3p, Rsc30p, Npl6p, and Htl1p to form a module important for a broad range of RSC functions ATP-dependent chromatin remodeling|cell wall mannoprotein biosynthetic process|nucleosome disassembly|transcription elongation from RNA polymerase II promoter DNA translocase activity RSC complex YMR135C GID8 hom FT KETONE METABOLISM|CELL CYCLE|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.00414081696204984 0.810490497568413 1806 Subunit of GID Complex, binds strongly to central component Vid30p; GID Complex is involved in proteasome-dependent catabolite inactivation of fructose-1,6-bisphosphatase; recruits Rmd5p, Fyv10 and Vid28p to GID Complex; contains LisH, CTLH, and CRA domains that mediate binding to Vid30p (LisH) and Rmd5p and Vid28p (CTLH and CRA); dosage-dependent regulator of START negative regulation of gluconeogenesis|proteasomal ubiquitin-dependent protein catabolic process|traversing start control point of mitotic cell cycle molecular_function nucleus|GID complex|cytoplasm YJR033C RAV1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM 0.00410105668133578 0.812276070368494 1807 Subunit of the RAVE complex (Rav1p, Rav2p, Skp1p), which promotes assembly of the V-ATPase holoenzyme; required for transport between the early and late endosome/PVC and for localization of TGN membrane proteins; potential Cdc28p substrate early endosome to late endosome transport|vacuolar acidification|regulation of protein complex assembly molecular_function RAVE complex|cytoplasm|extrinsic to membrane YKL121W_p DGR2 hom 0.0040986893302241 0.812382415332142 1808 Protein of unknown function; null mutant is resistant to 2-deoxy-D-glucose and displays abnormally elongated buds biological_process molecular_function cellular_component YLR056W ERG3 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00402051155154516 0.815896210291551 1809 C-5 sterol desaturase, glycoprotein that catalyzes the introduction of a C-5(6) double bond into episterol, a precursor in ergosterol biosynthesis; mutants are viable, but cannot grow on non-fermentable carbon sources; substrate of the HRD ubiquitin ligase ergosterol biosynthetic process C-5 sterol desaturase activity integral to membrane|endoplasmic reticulum|endoplasmic reticulum lumen YML031W NDC1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CYTOSKELETON ORGANIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CYTOSKELETON|NUCLEAR PORE 0.003989957368019 0.817270515567593 1810 Subunit of the transmembrane ring of the nuclear pore complex (NPC); contributes to nucleocytoplasmic transport, NPC biogenesis and spindle pole body duplication; homologous to human NDC1 nucleocytoplasmic transport|nuclear pore organization|spindle pole body duplication associated with nuclear envelope structural constituent of nuclear pore integral to membrane|nuclear pore transmembrane ring|spindle pole body|nuclear pore YBR190W_d YBR190W het 0.00398143253683782 0.817654056764639 1811 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data; partially overlaps the verified ribosomal protein gene RPL21A/YBR191W Unknown Unknown Unknown YPL258C THI21 hom 0.00397852789464591 0.817784749669807 1812 Hydroxymethylpyrimidine (HMP) and HMP-phosphate kinase; involved in thiamine biosynthesis; member of a gene family with THI20 and THI22; functionally redundant with Thi20p thiamine biosynthetic process phosphomethylpyrimidine kinase activity|hydroxymethylpyrimidine kinase activity cellular_component YNL107W YAF9 hom FF|FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.00396605114301831 0.81834619232969 1813 Subunit of both the NuA4 histone H4 acetyltransferase complex and the SWR1 complex, may function to antagonize silencing near telomeres; interacts directly with Swc4p, has homology to human leukemogenic protein AF9, contains a YEATS domain DNA repair|chromatin remodeling|histone exchange|chromatin silencing at telomere molecular_function Swr1 complex|nucleus|NuA4 histone acetyltransferase complex|cytoplasm YOR235W_d IRC13 hom 0.00396186416520321 0.818534623470335 1814 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; null mutant displays increased levels of spontaneous Rad52 foci Unknown Unknown Unknown YJL189W RPL39 hom FT TRANSLATION|RIBOSOME 0.00395456673600921 0.818863062694246 1815 Ribosomal 60S subunit protein L39; required for ribosome biogenesis; loss of both Rpl31p and Rpl39p confers lethality; also exhibits genetic interactions with SIS1 and PAB1; homologous to mammalian ribosomal protein L39, no bacterial homolog cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YDR418W RPL12B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.00392804092856884 0.820057190865227 1816 Ribosomal 60S subunit protein L12B; rpl12a rpl12b double mutant exhibits slow growth and slow translation; homologous to mammalian ribosomal protein L12 and bacterial L11; RPL12B has a paralog, RPL12A, that arose from the whole genome duplication cytoplasmic translation|ribosomal large subunit assembly structural constituent of ribosome cytosolic large ribosomal subunit YDL066W IDP1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.00378771067371525 0.826381399171995 1817 Mitochondrial NADP-specific isocitrate dehydrogenase, catalyzes the oxidation of isocitrate to alpha-ketoglutarate; not required for mitochondrial respiration and may function to divert alpha-ketoglutarate to biosynthetic processes isocitrate metabolic process|glutamate biosynthetic process isocitrate dehydrogenase (NADP+) activity mitochondrial nucleoid|mitochondrion YBL046W PSY4 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.00370578651822796 0.830078682195159 1818 Regulatory subunit of protein phosphatase PP4; presence of Psy4p in the PP4 complex (along with catalytic subunit Pph3p and Psy2p) is required for dephosphorylation of the histone variant H2AX, but not for dephosphorylation of Rad53p, during recovery from the DNA damage checkpoint; localization is cell-cycle dependent and regulated by Cdc28p phosphorylation; required for cisplatin resistance; homolog of mammalian R2 Unknown|protein dephosphorylation protein phosphatase regulator activity nucleus|cytoplasm YHL025W SNF6 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CARBOHYDRATE METABOLISM|NUCLEUS|RSC COMPLEX 0.00369539441246106 0.830547954450776 1819 Subunit of the SWI/SNF chromatin remodeling complex; involved in transcriptional regulation; functions interdependently in transcriptional activation with Snf2p and Snf5p; relocates to the cytosol under hypoxic conditions sucrose catabolic process|nucleotide-excision repair|chromatin remodeling|positive regulation of transcription from RNA polymerase II promoter molecular_function SWI/SNF complex|nucleus YNL221C POP1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00366037818937092 0.832203598935792 1820 Subunit of both RNase MRP and nuclear RNase P; RNase MRP cleaves pre-rRNA, while nuclear RNase P cleaves tRNA precursors to generate mature 5' ends and facilitates turnover of nuclear RNAs; binds to the RPR1 RNA subunit in RNase P tRNA processing|intronic box C/D snoRNA processing|mRNA cleavage|rRNA processing ribonuclease MRP activity|ribonuclease P activity nucleolar ribonuclease P complex|ribonuclease MRP complex YML034W SRC1 hom FF|FT CELL CYCLE|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.00365275599821822 0.832572451853362 1821 Inner nuclear membrane protein; functions in regulation of subtelomeric genes and is linked to TREX (transcription export) factors; SRC1 produces 2 splice variant proteins with different functions; alternative splicing of SRC1 pre-mRNA is promoted by Hub1p; mutant has aneuploidy tolerance maintenance of rDNA|mitotic sister chromatid segregation molecular_function nuclear envelope YIL026C IRR1 het FF|FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.00364861878466052 0.832783880832701 1822 Subunit of the cohesin complex, which is required for sister chromatid cohesion during mitosis and meiosis and interacts with centromeres and chromosome arms, essential for viability spore germination|fungal-type cell wall organization|cytogamy|mitotic sister chromatid cohesion chromatin binding nucleus|nuclear mitotic cohesin complex YPL087W YDC1 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00364153663803918 0.83298095313883 1823 Alkaline dihydroceramidase, involved in sphingolipid metabolism; preferentially hydrolyzes dihydroceramide to a free fatty acid and dihydrosphingosine; has a minor reverse activity; YDC1 has a paralog, YPC1, that arose from the whole genome duplication ceramide catabolic process|ceramide biosynthetic process dihydroceramidase activity integral to membrane|endoplasmic reticulum YLR372W SUR4 hom FF|FT VESICLE-MEDIATED TRANSPORT|KETONE METABOLISM|LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.00363299152128144 0.833367122272717 1824 Elongase, involved in fatty acid and sphingolipid biosynthesis; synthesizes very long chain 20-26-carbon fatty acids from C18-CoA primers; involved in regulation of sphingolipid biosynthesis post-Golgi vesicle-mediated transport|fatty acid elongation|fatty acid biosynthetic process|sphingolipid biosynthetic process fatty acid elongase activity integral to membrane|endoplasmic reticulum YIL110W HPM1 hom FT NUCLEUS 0.00360322233396706 0.83473704875354 1825 AdoMet-dependent methyltransferase involved in a novel 3-methylhistidine modification of ribosomal protein Rpl3p; seven beta-strand MTase family member; null mutant exhibits a weak vacuolar protein sorting defect and caspofungin resistance peptidyl-histidine methylation, to form tele-methylhistidine S-adenosylmethionine-dependent methyltransferase activity|protein-histidine N-methyltransferase activity nucleus|cytoplasm YLR445W GMC2 hom FT CELL CYCLE 0.00354382547778171 0.837422982991842 1826 Protein involved in meiotic progression; mutants are delayed in meiotic nuclear division and are defective in synaptonemal complex assembly; transcription is regulated by Ume6p and induced in response to alpha factor meiosis|synaptonemal complex organization molecular_function cellular_component YPL241C CIN2 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON 0.00352723482596102 0.838149754897003 1827 GTPase-activating protein (GAP) for Cin4p; tubulin folding factor C involved in beta-tubulin (Tub2p) folding; mutants display increased chromosome loss and benomyl sensitivity; deletion complemented by human GAP, retinitis pigmentosa 2 protein folding|tubulin complex assembly|tubulin complex biogenesis GTPase activator activity cellular_component YPL245W_p YPL245W hom FT NUCLEUS 0.00347691104704666 0.840427657746454 1828 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to both the nucleus and the cytoplasm biological_process molecular_function nucleus|cytoplasm YMR015C ERG5 hom FF|FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM 0.00347258433616911 0.840623568709948 1829 C-22 sterol desaturase, a cytochrome P450 enzyme that catalyzes the formation of the C-22(23) double bond in the sterol side chain in ergosterol biosynthesis; may be a target of azole antifungal drugs ergosterol biosynthetic process C-22 sterol desaturase activity endoplasmic reticulum YLL062C MHT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.00342275187877037 0.842880661806328 1830 S-methylmethionine-homocysteine methyltransferase, functions along with Sam4p in the conversion of S-adenosylmethionine (AdoMet) to methionine to control the methionine/AdoMet ratio sulfur amino acid metabolic process homocysteine S-methyltransferase activity cytoplasm YJR017C ESS1 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CHROMATIN ORGANIZATION|PROTEOLYSIS|GENE SILENCING|NUCLEUS 0.00335947991070633 0.845748336814691 1831 Peptidylprolyl-cis/trans-isomerase (PPIase); specific for phosphorylated serine and threonine residues N-terminal to proline; regulates phosphorylation of the RNAP II large subunit (Rpo21p) C-terminal domain (CTD); associates with phospho-Ser5 form of RNAP II in vivo; regulates phosphorylation of Ser7 within CTD; present along entire coding length of genes; represses initiation of CUTs; required for efficient termination of mRNA transcription and trimethylation of histone H3 termination of RNA polymerase II transcription|positive regulation of protein dephosphorylation|negative regulation of histone deacetylation|negative regulation of transcription from RNA polymerase II promoter|protein peptidyl-prolyl isomerization|positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|Unknown|regulation of transcription involved in G1 phase of mitotic cell cycle|positive regulation of transcription from RNA polymerase II promoter|regulation of transcription involved in G2/M-phase of mitotic cell cycle peptidyl-prolyl cis-trans isomerase activity|RNA polymerase II core binding nucleus YGL093W SPC105 het FF|FT PROTEIN LOCALIZATION|CELL CYCLE|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.00333146325595297 0.847063852773539 1832 Subunit of a kinetochore-microtubule binding complex with Kre28p that bridges centromeric heterochromatin and kinetochore MAPs and motors; required for sister chromatid bi-orientation and kinetochore binding of SAC components microtubule nucleation|protein localization to kinetochore|sister chromatid biorientation|mitotic cell cycle spindle assembly checkpoint microtubule binding|structural constituent of cytoskeleton mitochondrion|condensed nuclear chromosome kinetochore|spindle pole body YKL080W VMA5 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.00321558162957178 0.852277789435428 1833 Subunit C of the eight-subunit V1 peripheral membrane domain of vacuolar H+-ATPase (V-ATPase), an electrogenic proton pump found throughout the endomembrane system; required for the V1 domain to assemble onto the vacuolar membrane vacuolar acidification proton-transporting ATPase activity, rotational mechanism fungal-type vacuole membrane|vacuolar proton-transporting V-type ATPase, V1 domain|integral to membrane YGL025C PGD1 hom FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00315197552846473 0.855274021225386 1834 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; essential for basal and activated transcription; direct target of Cyc8p-Tup1p transcriptional corepressor negative regulation of transcription from RNA polymerase II promoter|RNA polymerase II transcriptional preinitiation complex assembly|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II repressing transcription factor binding|RNA polymerase II activating transcription factor binding|RNA polymerase II transcription factor recruiting transcription factor activity core mediator complex YKL042W SPC42 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.00314079528506771 0.855781737845348 1835 Central plaque component of spindle pole body (SPB); involved in SPB duplication, may facilitate attachment of the SPB to the nuclear membrane microtubule nucleation|spindle pole body duplication associated with nuclear envelope structural constituent of cytoskeleton central plaque of spindle pole body|intermediate layer of spindle pole body YER177W BMH1 hom FT CELL CYCLE|SIGNALING|RESPONSE TO DNA DAMAGE|CELL WALL ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0031209315129692 0.856578136282659 1836 14-3-3 protein, major isoform; controls proteome at post-transcriptional level, binds proteins and DNA, involved in regulation of many processes including exocytosis, vesicle transport, Ras/MAPK signaling, and rapamycin-sensitive signaling; protein increases in abundance and relative distribution to the nucleus increases upon DNA replication stress glycogen metabolic process|pseudohyphal growth|signal transduction involved in filamentous growth|ascospore formation|fungal-type cell wall chitin biosynthetic process|Ras protein signal transduction|DNA damage checkpoint|negative regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle DNA replication origin binding|phosphoserine binding plasma membrane|nucleus YDR075W PPH3 hom FT CELL CYCLE|SIGNALING|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00311086900148427 0.857035570581649 1837 Catalytic subunit of protein phosphatase PP4 complex; active complex is composed of Pph3p and Psy2p, with Psy4p apparently providing additional substrate specificity in some cases; regulates recovery from the DNA damage checkpoint and also the gene conversion- and single-strand annealing-mediated pathways of meiotic double-strand break repair; involved in activation of Gln3p to alleviate nitrogen catabolite repression; Pph3p and Psy2p localize to foci on meiotic chromosomes Unknown|signal transduction involved in meiotic recombination checkpoint|double-strand break repair via homologous recombination|protein dephosphorylation|positive regulation of nitrogen compound metabolic process protein serine/threonine phosphatase activity condensed nuclear chromosome|nucleus|cytoplasm YML092C PRE8 het FF|FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.00309936537644639 0.857621622140652 1838 Alpha 2 subunit of the 20S proteasome proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process molecular_function mitochondrion|proteasome core complex, alpha-subunit complex|proteasome storage granule|nucleus|nuclear outer membrane-endoplasmic reticulum membrane network YAL021C CCR4 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RNA PROCESSING|NUCLEUS|RNA POL II, HOLOENZYME 0.00308951877627638 0.858006294746686 1839 Component of the CCR4-NOT transcriptional complex, which is involved in regulation of gene expression; component of the major cytoplasmic deadenylase, which is involved in mRNA poly(A) tail shortening regulation of transcription from RNA polymerase II promoter|positive regulation of transcription elongation from RNA polymerase II promoter|nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay|DNA replication checkpoint|nuclear-transcribed mRNA poly(A) tail shortening|traversing start control point of mitotic cell cycle|replication fork protection|transcription elongation from RNA polymerase II promoter|DNA replication 3'-5'-exoribonuclease activity CCR4-NOT core complex|cytoplasmic mRNA processing body|Cdc73/Paf1 complex|cytoplasm YKL055C OAR1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00308033207358174 0.858424049888051 1840 Mitochondrial 3-oxoacyl-[acyl-carrier-protein] reductase, may comprise a type II mitochondrial fatty acid synthase along with Mct1p fatty acid metabolic process|aerobic respiration 3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity mitochondrion YCL008C STP22 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|VACUOLAR TRANSPORT|PLASMA MEMBRANE 0.0030330906610536 0.860572924220557 1841 Component of the ESCRT-I complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; homologous to the mouse and human Tsg101 tumor susceptibility gene; mutants exhibit a Class E Vps phenotype protein targeting to membrane|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|late endosome to vacuole transport|protein targeting to vacuole ubiquitin binding endosome|ESCRT I complex|internal side of plasma membrane YAL011W SWC3 hom FF|FT CHROMATIN ORGANIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0029864554638059 0.862695236224145 1842 Protein of unknown function, component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A; required for formation of nuclear-associated array of smooth endoplasmic reticulum known as karmellae endoplasmic reticulum organization|chromatin remodeling|histone exchange molecular_function mitochondrion|Swr1 complex|nucleus YLR432W IMD3 hom FT OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM 0.00292559422285203 0.86546644676525 1843 Inosine monophosphate dehydrogenase, catalyzes the first step of GMP biosynthesis, member of a four-gene family in S. cerevisiae, constitutively expressed GTP biosynthetic process IMP dehydrogenase activity plasma membrane|cytoplasm YDL090C RAM1 hom FF|FT PROTEIN PRENYLATION 0.00292395631309674 0.865958713290535 1844 Beta subunit of the CAAX farnesyltransferase (FTase) that prenylates the a-factor mating pheromone and Ras proteins; required for the membrane localization of Ras proteins and a-factor; homolog of the mammalian FTase beta subunit protein farnesylation protein farnesyltransferase activity protein farnesyltransferase complex YNL190W_p YNL190W hom 0.00290586213353957 0.866365269839121 1845 Hydrophilin essential in dessication-rehydration process; cell wall protein; contains a putative GPI-attachment site cellular response to water deprivation molecular_function fungal-type cell wall YOR030W DFG16 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.00288504132627563 0.867411909586514 1846 Probable multiple transmembrane protein; involved in diploid invasive and pseudohyphal growth upon nitrogen starvation; is glycosylated and phosphorylated; interacts with Rim21p and Rim9p in the plasma membrane to form a pH-sensing complex in the Rim101 pathway and is required to maintain Rim21p levels; required for accumulation of processed Rim101p pseudohyphal growth|protein processing molecular_function integral to membrane YJR122W IBA57 hom FF|FT COFACTOR METABOLISM|MITOCHONDRION 0.00285325448103993 0.868937088943477 1847 Mitochondrial matrix protein involved in the incorporation of iron-sulfur clusters into mitochondrial aconitase-type proteins; activates the radical-SAM family members Bio2p and Lip5p; interacts with Ccr4p in the two-hybrid system iron-sulfur cluster assembly molecular_function mitochondrion|mitochondrial matrix YBR084C-A RPL19A hom FT TRANSLATION|RIBOSOME 0.00283610744883084 0.869930187412948 1848 Ribosomal 60S subunit protein L19A; rpl19a and rpl19b single null mutations result in slow growth, while the double null mutation is lethal; homologous to mammalian ribosomal protein L19, no bacterial homolog; RPL19A has a paralog, RPL19B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YLR048W RPS0B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.00281223443976376 0.870632472000576 1849 Protein component of the small (40S) ribosomal subunit; RPS0B has a paralog, RPS0A, that arose from the whole genome duplication; required for maturation of 18S rRNA along with Rps0Ap; deletion of either RPS0 gene reduces growth rate, deletion of both genes is lethal; homologous to human ribosomal protein SA and bacterial S2 cytoplasmic translation|endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|rRNA export from nucleus|ribosomal small subunit assembly|endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit YNL255C GIS2 hom FT TRANSLATION|RIBOSOME 0.00279277758650696 0.871519719938215 1850 Translational activator for mRNAs with internal ribosome entry sites; associates with polysomes and binds to a specific subset of mRNAs; localizes to RNA processing bodies (P bodies) and to stress granules; may have a role in translation regulation under stress conditions; ortholog of human ZNF9/CNBP, a gene involved in myotonic dystrophy type 2 positive regulation of translation mRNA binding|translation regulator activity|single-stranded DNA binding polysomal ribosome|cytoplasm YBR300C_d YBR300C hom 0.00273766223845649 0.874033897232062 1851 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene YBR301W; YBR300C is not an essential gene Unknown Unknown Unknown YIL064W SEE1 hom FT VESICLE-MEDIATED TRANSPORT 0.00267880911609338 0.876719982877572 1852 Probable lysine methyltransferase involved in the dimethylation of eEF1A (Tef1p/Tef2p); sequence similarity to S-adenosylmethionine-dependent methyltransferases of the seven beta-strand family; role in vesicular transport vesicle-mediated transport|peptidyl-lysine dimethylation protein-lysine N-methyltransferase activity cytoplasm YNL332W THI12 hom 0.00266395591279576 0.877416252545131 1853 Protein involved in synthesis of the thiamine precursor hydroxymethylpyrimidine (HMP); member of a subtelomeric gene family including THI5, THI11, THI12, and THI13 thiamine biosynthetic process molecular_function cellular_component YBR289W SNF5 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|CHROMOSOME|RSC COMPLEX 0.00257597973805833 0.881416556114007 1854 Subunit of the SWI/SNF chromatin remodeling complex; involved in transcriptional regulation; functions interdependently in transcriptional activation with Snf2p and Snf6p; relocates to the cytosol under hypoxic conditions sucrose catabolic process|double-strand break repair via homologous recombination|chromatin remodeling|carbon catabolite activation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II activating transcription factor binding SWI/SNF complex|nucleus YOR218C_d YOR218C het 0.00251219273521189 0.884332036088343 1855 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; open reading frame overlaps the verified gene RFC1/YOR217W Unknown Unknown Unknown YMR077C VPS20 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|PROTEOLYSIS|VACUOLAR TRANSPORT 0.00248089253729092 0.885813991996499 1856 Myristoylated subunit of ESCRTIII, the endosomal sorting complex required for transport of transmembrane proteins into the multivesicular body pathway to the lysosomal/vacuolar lumen; cytoplasmic protein recruited to endosomal membranes intralumenal vesicle formation|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|late endosome to vacuole transport protein binding ESCRT III complex|cytoplasm YER040W GLN3 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.00244476778544513 0.887415496052488 1857 Transcriptional activator of genes regulated by nitrogen catabolite repression (NCR), localization and activity regulated by quality of nitrogen source nitrogen catabolite activation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity cytosol|nucleus YGL019W CKB1 hom FF|FT RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.00244471869506461 0.887484457723597 1858 Beta regulatory subunit of casein kinase 2 (CK2), a Ser/Thr protein kinase with roles in cell growth and proliferation; CK2, comprised of CKA1, CKA2, CKB1 and CKB2, has many substrates including transcription factors and all RNA polymerases regulation of transcription from RNA polymerase I promoter|protein phosphorylation|regulation of transcription from RNA polymerase III promoter|response to DNA damage stimulus protein kinase regulator activity|protein serine/threonine kinase inhibitor activity protein kinase CK2 complex|UTP-C complex YDR477W SNF1 hom FT KETONE METABOLISM|SIGNALING|TRANSLATION|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.00243288529971699 0.887959080690305 1859 AMP-activated serine/threonine protein kinase; found in a complex containing Snf4p and members of the Sip1p/Sip2p/Gal83p family; required for transcription of glucose-repressed genes, thermotolerance, sporulation, and peroxisome biogenesis; involved in regulation of the nucleocytoplasmic shuttling of Hxk2p; regulates filamentous growth in response to starvation negative regulation of translation|protein phosphorylation|replicative cell aging|signal transduction|biofilm formation|positive regulation of gluconeogenesis|pseudohyphal growth|cell adhesion|regulation of carbohydrate metabolic process|invasive growth in response to glucose limitation|cellular response to nitrogen starvation AMP-activated protein kinase activity|protein kinase activity mitochondrion|AMP-activated protein kinase complex|nucleus|nuclear envelope lumen|fungal-type vacuole|cytoplasm YGR106C VOA1 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00233187278954082 0.892661796154785 1860 Endoplasmic reticulum protein that functions, together with other assembly factors, in assembly of the V0 sector of the vacuolar ATPase (V-ATPase); null mutation enhances the V-ATPase deficiency of a vma21 mutant impaired in ER retrieval protein complex assembly molecular_function fungal-type vacuole membrane|endoplasmic reticulum membrane YLR424W SPP382 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.00230564919467441 0.893782964776447 1861 Essential protein that forms a dimer with Ntr2p; also forms a trimer, with Ntr2p and Prp43p, that is involved in spliceosome disassembly; found also in a multisubunit complex with the splicing factor Clf1p; suppressor of prp38-1 mutation spliceosomal complex disassembly|mRNA splicing, via spliceosome|generation of catalytic spliceosome for first transesterification step RNA binding|ATP-dependent RNA helicase activity mitochondrion|U2-type post-mRNA release spliceosomal complex|nucleus|spliceosomal complex|cytoplasm YOR089C VPS21 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|VACUOLAR TRANSPORT|MITOCHONDRION 0.00225739752321632 0.895993068092185 1862 Rab family GTPase; required for endocytic transport and for sorting of vacuolar hydrolases; localized in endocytic intermediates; detected in mitochondria; geranylgeranylation required for membrane association; mammalian Rab5 homolog; protein abundance increases in response to DNA replication stress; VPS21 has a paralog, YPT53, that arose from the whole genome duplication endocytosis|vacuole inheritance|protein targeting to vacuole GTP binding|GTPase activity mitochondrial outer membrane|late endosome|mitochondrion YOR362C PRE10 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.00222611664996619 0.897426278950711 1863 Alpha 7 subunit of the 20S proteasome; protein abundance increases in response to DNA replication stress proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process mRNA binding mitochondrion|proteasome core complex, alpha-subunit complex|nucleus|proteasome storage granule|nuclear outer membrane-endoplasmic reticulum membrane network YGL107C RMD9 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00220748062740708 0.898280293921955 1864 Mitochondrial protein required for respiratory growth; mutant phenotype and genetic interactions suggest a role in delivering mt mRNAs to ribosomes; located on matrix face of the inner membrane and loosely associated with mitoribosomes translational initiation|regulation of mRNA stability|aerobic respiration molecular_function extrinsic to mitochondrial inner membrane|mitochondrion YOL128C YGK3 hom FT PROTEOLYSIS|PROTEIN PHOSPHORYLATION 0.002193011269187 0.899048409633498 1865 Protein kinase related to mammalian glycogen synthase kinases of the GSK-3 family; GSK-3 homologs (Mck1p, Rim11p, Mrk1p, Ygk3p) are involved in control of Msn2p-dependent transcription of stress responsive genes and in protein degradation proteolysis|protein phosphorylation|response to stress protein serine/threonine kinase activity|protein kinase activity cellular_component YPR193C HPA2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CHROMATIN ORGANIZATION 0.00203140793678101 0.906368582641868 1866 Tetrameric histone acetyltransferase with similarity to Gcn5p, Hat1p, Elp3p, and Hpa3p; acetylates histones H3 and H4 in vitro and exhibits autoacetylation activity protein homotetramerization|histone acetylation histone acetyltransferase activity|protein homodimerization activity cytoplasm YPR133C SPN1 het FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RNA LOCALIZATION|NUCLEUS 0.00200084579305861 0.907757220524643 1867 Protein involved in RNA polymerase II transcription; interacts genetically or physically with RNAP II, TBP, TFIIS, and chromatin remodelling factors; central domain highly conserved throughout eukaryotes; mutations confer an Spt- phenotype poly(A)+ mRNA export from nucleus|regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription by chromatin organization|regulation of transcription from RNA polymerase II promoter core RNA polymerase II binding transcription factor activity|RNA polymerase II transcription factor binding transcription factor activity nucleus YDR184C ATC1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS 0.00195001366692166 0.910090608315455 1868 Nuclear protein; possibly involved in regulation of cation stress responses and/or in the establishment of bipolar budding pattern; relative distribution to the nucleus decreases upon DNA replication stress bipolar cellular bud site selection|response to stress molecular_function nucleus YHR143W-A RPC10 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00191444677472993 0.911723726129639 1869 RNA polymerase subunit ABC10-alpha, found in RNA pol I, II, and III; relocalizes from nucleolus to cytoplasm upon DNA replication stress transcription from RNA polymerase I promoter|transcription from RNA polymerase III promoter|transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex|DNA-directed RNA polymerase I complex|DNA-directed RNA polymerase II, core complex YBL058W SHP1 hom FT PROTEIN LOCALIZATION|CELL CYCLE|MEMBRANE ORGANIZATION|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEOLYSIS|CYTOSKELETON ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|CHROMOSOME SEGREGATION|NUCLEUS 0.0018979229159663 0.912547581654325 1870 UBX (ubiquitin regulatory X) domain-containing protein that regulates Glc7p phosphatase activity and interacts with Cdc48p; interacts with ubiquitylated proteins in vivo and is required for degradation of a ubiquitylated model substrate glycogen metabolic process|proteasomal ubiquitin-dependent protein catabolic process|piecemeal microautophagy of nucleus|ER-associated protein catabolic process|ascospore formation|sister chromatid biorientation|autophagic vacuole assembly protein phosphatase type 1 regulator activity nucleus|cytoplasm YBL045C COR1 hom FT OXIDATION-REDUCTION PROCESS|PROTEOLYSIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00189300342276389 0.912708516763626 1871 Core subunit of the ubiquinol-cytochrome c reductase complex (bc1 complex), which is a component of the mitochondrial inner membrane electron transport chain aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex III YPL080C_d YPL080C hom 0.00188971490822624 0.912859554402463 1872 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGR114C_d YGR114C het FF 0.00182779437965444 0.915879559613604 1873 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; open reading frame overlaps 5' end of the essential gene SPT6 Unknown Unknown Unknown YNL064C YDJ1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION 0.0018087095721786 0.91658101486827 1874 Type I HSP40 co-chaperone; involved in regulation of HSP90 and HSP70 functions; critical for determining cell size at Start as a function of growth rate; involved in protein translocation across membranes; member of the DnaJ family protein refolding|ER-associated protein catabolic process|protein targeting to mitochondrion|protein targeting to ER|'de novo' protein folding unfolded protein binding|ATPase activator activity cytosol|TRC complex|perinuclear region of cytoplasm YDR455C_d YDR455C hom FF 0.00180222404987289 0.916879045909547 1875 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene YDR456W Unknown Unknown Unknown YFR016C YFR016C hom 0.00179662412508749 0.917136390233037 1876 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and bud; interacts with Spa2p; YFL016C is not an essential gene biological_process molecular_function cellular bud|cytoplasm YEL016C NPP2 hom FT NUCLEOTIDE METABOLISM 0.0017770197102405 0.918073918956665 1877 Nucleotide pyrophosphatase/phosphodiesterase; mediates extracellular nucleotide phosphate hydrolysis along with Npp1p and Pho5p; activity and expression enhanced during conditions of phosphate starvation; NPP2 has a paralog, NPP1, that arose from the whole genome duplication nucleoside triphosphate metabolic process nucleotide diphosphatase activity|nucleoside-triphosphate diphosphatase activity|nucleoside-triphosphatase activity|phosphodiesterase I activity cellular_component YML013W UBX2 hom FF|FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|UBIQUITIN LIGASE COMPLEX 0.00176388652308684 0.91864101825898 1878 Bridging factor involved in ER-associated protein degradation (ERAD); bridges the cytosolic Cdc48p-Npl1p-Ufd1p ATPase complex and the membrane associated Ssm4p and Hrd1p ubiquitin ligase complexes; contains a UBX (ubiquitin regulatory X) domain and a ubiquitin-associated (UBA) domain; redistributes from the ER to lipid droplets during the diauxic shift and stationary phase; required for the maintenance of lipid homeostasis proteasomal ubiquitin-dependent protein catabolic process|ER-associated protein catabolic process|lipid particle organization protein binding, bridging mitochondrial outer membrane|Doa10p ubiquitin ligase complex|integral to endoplasmic reticulum membrane|lipid particle|endoplasmic reticulum YCL004W PGS1 het FT LIPID METABOLISM|MITOCHONDRION 0.00173986975405873 0.919745020234056 1879 Phosphatidylglycerolphosphate synthase, catalyzes the synthesis of phosphatidylglycerolphosphate from CDP-diacylglycerol and sn-glycerol 3-phosphate in the first committed and rate-limiting step of cardiolipin biosynthesis cardiolipin biosynthetic process CDP-diacylglycerol-glycerol-3-phosphate 3-phosphatidyltransferase activity mitochondrion YHR142W CHS7 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00168874285034726 0.922165233983464 1880 Protein of unknown function; may be involved in chitin biosynthesis by regulation of Chs3p export from the ER; relocalizes from bud neck to ER upon DNA replication stress protein folding|ER to Golgi vesicle-mediated transport|fungal-type cell wall chitin biosynthetic process unfolded protein binding integral to membrane|endoplasmic reticulum membrane YGR295C COS6 hom 0.00166234325395897 0.923366817028827 1881 Protein of unknown function, member of the DUP380 subfamily of conserved, often subtelomerically-encoded proteins biological_process molecular_function integral to membrane|fungal-type vacuole YNL243W SLA2 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.00165892790291749 0.923466878894299 1882 Adaptor protein that links actin to clathrin and endocytosis; involved in membrane cytoskeleton assembly and cell polarization; present in the actin cortical patch of the emerging bud tip; dimer in vivo bipolar cellular bud site selection|fungal-type cell wall organization|actin filament organization|endocytosis|exocytosis protein binding, bridging incipient cellular bud site|mating projection tip|actin cortical patch YFL034W_p YFL034W hom 0.0016041467719107 0.926019792109066 1883 Putative integral membrane protein that interacts with Rpp0p, which is a component of the ribosomal stalk biological_process molecular_function integral to membrane YGR086C PIL1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|PROTEIN PHOSPHORYLATION|MITOCHONDRION 0.00158734202347722 0.926770821257028 1884 Primary protein component of eisosomes; eisosomes are large immobile cell cortex structures associated with endocytosis; null mutant shows activation of Pkc1p/Ypk1p stress resistance pathways; detected in phosphorylated state in mitochondria; member of the BAR domain family; protein increases in abundance and relocalizes from plasma membrane to cytoplasm upon DNA replication stress eisosome assembly|endocytosis|negative regulation of protein kinase activity|response to heat|protein localization lipid binding mitochondrial outer membrane|eisosome|mitochondrion|plasma membrane|cytoplasm YKL078W DHR2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00158332255243351 0.926944870325038 1885 Predominantly nucleolar DEAH-box ATP-dependent RNA helicase, required for 18S rRNA synthesis maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosome biogenesis RNA helicase activity nucleolus YGR221C TOS2 hom FT CELL DIVISION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.00154211210309664 0.928841222200843 1886 Protein involved in localization of Cdc24p to the site of bud growth; may act as a membrane anchor; localizes to the bud neck and bud tip; potentially phosphorylated by Cdc28p budding cell bud growth molecular_function cellular bud neck|cellular bud tip YBR246W RRT2 hom FT VESICLE-MEDIATED TRANSPORT 0.00152057750017864 0.929842761700413 1887 Protein required for last step of diphthamide biosynthesis; deletion leads to resistance to sordarin and accumulation of diphthine; WD40 domain-containing protein involved in endosomal recycling; forms a complex with Rtt10p that functions in the retromer-mediated pathway for recycling internalized cell-surface proteins; non-essential gene identified in a screen for mutants with increased levels of rDNA transcription peptidyl-diphthamide biosynthetic process from peptidyl-histidine|endocytic recycling molecular_function endosome|cytoplasm YBR152W SPP381 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.00151381036483869 0.930143797770651 1888 mRNA splicing factor, component of U4/U6.U5 tri-snRNP; interacts genetically and physically with Prp38p mRNA splicing, via spliceosome|generation of catalytic spliceosome for first transesterification step molecular_function U4/U6 x U5 tri-snRNP complex YML035C AMD1 hom FT NUCLEOTIDE METABOLISM 0.00149454637738299 0.931133174622991 1889 AMP deaminase; tetrameric enzyme that catalyzes the deamination of AMP to form IMP and ammonia; thought to be involved in regulation of intracellular purine (adenine, guanine, and inosine) nucleotide pools guanine salvage|purine nucleotide metabolic process AMP deaminase activity cytoplasm YDR452W PPN1 hom FT NUCLEUS 0.00148969430022166 0.931253877233594 1890 Vacuolar endopolyphosphatase with a role in phosphate metabolism; functions as a homodimer; relocalizes from vacuole to cytoplasm upon DNA replication stress polyphosphate catabolic process|polyphosphate metabolic process endopolyphosphatase activity|exopolyphosphatase activity fungal-type vacuole membrane|nucleus YDR256C CTA1 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.00146762016426829 0.932270082520154 1891 Catalase A, breaks down hydrogen peroxide in the peroxisomal matrix formed by acyl-CoA oxidase (Pox1p) during fatty acid beta-oxidation response to reactive oxygen species|age-dependent response to reactive oxygen species|hydrogen peroxide catabolic process catalase activity peroxisomal matrix|mitochondrial matrix YLR233C EST1 hom FT NUCLEUS|CHROMOSOME 0.00140770701361778 0.935028796824707 1892 TLC1 RNA-associated factor involved in telomere length regulation as recruitment subunit of telomerase; has G-quadruplex promoting activity that is required for telomere elongation; possible role in activating telomere-bound Est2p-TLC1-RNA telomere maintenance via telomerase|telomere maintenance|G-quadruplex DNA formation single-stranded DNA binding|RNA binding|telomeric DNA binding nucleolus|nucleus|telomerase holoenzyme complex YDR142C PEX7 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PEROXISOME ORGANIZATION 0.0013595038315184 0.93724889083001 1893 Peroxisomal signal receptor for the N-terminal nonapeptide signal (PTS2) of peroxisomal matrix proteins; WD repeat protein; defects in human homolog cause lethal rhizomelic chondrodysplasia punctata (RCDP) protein import into peroxisome matrix, docking peroxisome matrix targeting signal-2 binding cytosol|peroxisome YJR119C JHD2 hom FT CHROMATIN ORGANIZATION|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.00135564177107551 0.93742678708367 1894 JmjC domain family histone demethylase specific for H3-K4 (histone H3 Lys4); removes methyl groups specifically added by Set1p methyltransferase; protein levels regulated by Not4p (E3 ubiquitin ligase) polyubiquitin-mediated degradation histone demethylation histone demethylase activity (H3-K4 specific) nucleus|cytoplasm YGR159C NSR1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 0.00135318067249238 0.937540153126614 1895 Nucleolar protein that binds nuclear localization sequences, required for pre-rRNA processing and ribosome biogenesis ribosomal small subunit assembly|rRNA processing single-stranded DNA binding|RNA binding mitochondrion|nucleolus|nucleus YBR283C SSH1 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00134484942953887 0.937923926103946 1896 Subunit of the Ssh1 translocon complex; Sec61p homolog involved in co-translational pathway of protein translocation; not essential SRP-dependent cotranslational protein targeting to membrane protein transmembrane transporter activity|signal sequence binding integral to membrane|Ssh1 translocon complex YGR036C CAX4 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00129262958452178 0.940329722109106 1897 Dolichyl pyrophosphate (Dol-P-P) phosphatase with a luminally oriented active site in the ER, cleaves the anhydride linkage in Dol-P-P, required for Dol-P-P-linked oligosaccharide intermediate synthesis and protein N-glycosylation lipid biosynthetic process|protein N-linked glycosylation dolichyldiphosphatase activity integral to endoplasmic reticulum membrane|integral to membrane YJL154C VPS35 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM 0.00127296151872341 0.941235982664743 1898 Endosomal subunit of membrane-associated retromer complex required for retrograde transport; receptor that recognizes retrieval signals on cargo proteins, forms subcomplex with Vps26p and Vps29p that selects cargo proteins for retrieval; interacts with Ypt7p protein retention in Golgi apparatus|retrograde transport, endosome to Golgi protein transporter activity endosome|retromer complex, inner shell|retromer complex YKL033W TTI1 het FT CHROMATIN ORGANIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.00126533037910646 0.941596323324386 1899 Subunit of the ASTRA complex, involved in chromatin remodeling; telomere length regulator involved in the stability or biogenesis of PIKKs such as TORC1; similar to S. pombe Tti1p; detected in highly purified mitochondria in high-throughput studies biological_process molecular_function ASTRA complex|mitochondrion|cytoplasm YBL036C YBL036C hom 0.00125147788257582 0.94222598752212 1900 Putative non-specific single-domain racemase based on structural similarity; binds pyridoxal 5'-phosphate; expression of GFP-fusion protein induced in response to the DNA-damaging agent MMS biological_process pyridoxal phosphate binding cellular_component YMR040W YET2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00124203411864757 0.942669736591886 1901 Protein of unknown function that may interact with ribosomes, based on co-purification experiments; homolog of human BAP31 protein biological_process molecular_function ribosome|integral to membrane YER082C UTP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00123373771518872 0.94305203217221 1902 Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function small-subunit processome|nucleolus|90S preribosome YOR012W_p YOR012W hom 0.00122598831574649 0.943434417313733 1903 Putative protein of unknown function biological_process molecular_function cellular_component YOL020W TAT2 hom FT PLASMA MEMBRANE 0.00122586763883248 0.943423120597209 1904 High affinity tryptophan and tyrosine permease, overexpression confers FK506 and FTY720 resistance aromatic amino acid transport|tryptophan transport high-affinity tryptophan transmembrane transporter activity|aromatic amino acid transmembrane transporter activity integral to membrane|plasma membrane YBR210W ERV15 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|SIGNALING|CELL DIVISION 0.00122164721445849 0.943609181979223 1905 Protein involved in export of proteins from the endoplasmic reticulum; ERV15 has a paralog, ERV14, that arose from the whole genome duplication ER to Golgi vesicle-mediated transport|axial cellular bud site selection molecular_function integral to membrane|ER to Golgi transport vesicle YER012W PRE1 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.00120491542203159 0.944371974243477 1906 Beta 4 subunit of the 20S proteasome; localizes to the nucleus throughout the cell cycle proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process endopeptidase activator activity proteasome storage granule|nucleus|endoplasmic reticulum membrane|proteasome core complex, beta-subunit complex YER080W AIM9 hom FT MITOCHONDRION 0.00120431147718135 0.944399811746837 1907 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; null mutant displays elevated frequency of mitochondrial genome loss biological_process molecular_function mitochondrion YBR020W GAL1 hom FT CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS 0.00119541824388617 0.944809733524437 1908 Galactokinase; phosphorylates alpha-D-galactose to alpha-D-galactose-1-phosphate in the first step of galactose catabolism; expression regulated by Gal4p; GAL1 has a paralog, GAL3, that arose from the whole genome duplication galactose catabolic process via UDP-galactose|carbohydrate phosphorylation|positive regulation of transcription by galactose galactokinase activity cytoplasm YHR078W_p YHR078W hom 0.00119211134526624 0.944962164356073 1909 High osmolarity-regulated gene of unknown function biological_process molecular_function integral to membrane YHR100C GEP4 hom FF|FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|MITOCHONDRION 0.00118270243956304 0.945436535423156 1910 Mitochondrial phosphatidylglycerophosphatase (PGP phosphatase), dephosphorylates phosphatidylglycerolphosphate to generate phosphatidylglycerol, an essential step during cardiolipin biosynthesis; null mutant is sensitive to tunicamycin, DTT cardiolipin biosynthetic process|phosphorylated carbohydrate dephosphorylation phosphatidylglycerophosphatase activity mitochondrion|mitochondrial matrix YCR030C SYP1 hom FT CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH 0.00116573834695037 0.946177894073948 1911 Protein of unknown function that is involved in endocytic site formation; may regulate assembly and disassembly of the septin ring; colocalizes and interacts with septin subunits; potential role in actin cytoskeletal organization septin cytoskeleton organization|actin cortical patch assembly molecular_function mating projection base|mating projection tip|cellular bud neck|cellular bud tip YDR532C KRE28 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.00115431119030444 0.946704696683567 1912 Subunit of a kinetochore-microtubule binding complex with Spc105p that bridges centromeric heterochromatin and kinetochore MAPs and motors, and is also required for sister chromatid bi-orientation and kinetochore binding of SAC components biological_process molecular_function chromosome, centromeric region|condensed nuclear chromosome kinetochore|spindle pole body YMR041C ARA2 hom FT OXIDATION-REDUCTION PROCESS 0.00114297517056435 0.947227320812148 1913 NAD-dependent arabinose dehydrogenase, involved in biosynthesis of dehydro-D-arabinono-1,4-lactone; similar to plant L-galactose dehydrogenase dehydro-D-arabinono-1,4-lactone biosynthetic process D-arabinose 1-dehydrogenase [NAD(P)+] activity cellular_component YDR081C PDC2 het FT TRANSCRIPTION FROM RNA POL II|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.00112513614106441 0.948049798855005 1914 Transcription factor for thiamine-regulated genes; required for expression of the two isoforms of pyruvate decarboxylase (PDC1 and PDC5) along with thiamine biosynthetic genes; binds a DNA sequence in the PDC5 promoter; mutant fails to grow on 2% glucose and thus is scored as inviable under standard conditions positive regulation of thiamine biosynthetic process|Unknown|positive regulation of transcription from RNA polymerase II promoter transcription regulatory region sequence-specific DNA binding nucleus YJL115W ASF1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS 0.00111861104449213 0.948481553390069 1915 Nucleosome assembly factor, involved in chromatin assembly and disassembly, anti-silencing protein that causes derepression of silent loci when overexpressed; plays a role in regulating Ty1 transposition DNA replication-independent nucleosome assembly|histone acetylation|nucleosome disassembly|histone exchange|positive regulation of histone acetylation|chromatin silencing at silent mating-type cassette|chromatin silencing at telomere|DNA replication-dependent nucleosome assembly|regulation of transcription from RNA polymerase II promoter in response to stress histone binding chromatin assembly complex YEL049W PAU2 hom 0.00111339918481254 0.948590967767055 1916 Member of the seripauperin multigene family encoded mainly in subtelomeric regions, active during alcoholic fermentation, regulated by anaerobiosis, negatively regulated by oxygen, repressed by heme biological_process molecular_function cellular_component YOR152C_p YOR152C hom 0.001104388795883 0.949006435901276 1917 Putative protein of unknown function; YOR152C is not an essential gene biological_process molecular_function membrane YER063W THO1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA LOCALIZATION|NUCLEUS 0.00109577543962869 0.949441292455222 1918 Conserved nuclear RNA-binding protein; specifically binds to transcribed chromatin in a THO- and RNA-dependent manner, genetically interacts with shuttling hnRNP NAB2; overproduction suppresses transcriptional defect caused by hpr1 mutation poly(A)+ mRNA export from nucleus|transcription, DNA-dependent|ribonucleoprotein complex assembly chromatin binding|double-stranded DNA binding|RNA binding nucleus YOL141W PPM2 hom FT RNA PROCESSING|MITOCHONDRION 0.00109072362531354 0.949636561961989 1919 AdoMet-dependent tRNA methyltransferase also involved in methoxycarbonylation; required for the synthesis of wybutosine (yW), a modified guanosine found at the 3'-position adjacent to the anticodon of phe-tRNA; similarity to Ppm1p tRNA methylation|wybutosine biosynthetic process tRNA methyltransferase activity mitochondrion|cytoplasm YMR135W-A_d YMR135W-A hom 0.00108946320129627 0.949739647057008 1920 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL120W_d YJL120W hom FF 0.00106121279462807 0.950997467342669 1921 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene YJL121C/RPE1; deletion confers sensitivity to GSAO Unknown Unknown Unknown YJR098C_p YJR098C hom FT LIPID METABOLISM|MITOCHONDRION 0.00106086064091544 0.951013707941786 1922 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion|cytoplasm YDL109C_p YDL109C hom FT LIPID METABOLISM 0.00102990166657672 0.952441550375995 1923 Putative lipase; involved in lipid metabolism; not an essential gene; YDL109C has a paralog, ROG1, that arose from the whole genome duplication cellular lipid metabolic process molecular_function cellular_component YGR171C MSM1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.0010256458280022 0.952637843683831 1924 Mitochondrial methionyl-tRNA synthetase (MetRS), functions as a monomer in mitochondrial protein synthesis; functions similarly to cytoplasmic MetRS although the cytoplasmic form contains a zinc-binding domain not found in Msm1p methionyl-tRNA aminoacylation methionine-tRNA ligase activity mitochondrion YER060W-A FCY22 hom 0.00102532131737525 0.952709253718237 1925 Putative purine-cytosine permease, very similar to Fcy2p but cannot substitute for its function transmembrane transport nucleobase transmembrane transporter activity integral to membrane YAL058W CNE1 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00100462282784823 0.953642094713283 1926 Calnexin; integral membrane ER chaperone involved in folding and quality control of glycoproteins; chaperone activity is inhibited by Mpd1p, with which Cne1p interacts; 24% identical to mammalian calnexin; Ca+ binding not yet shown in yeast protein folding|ER-associated protein catabolic process unfolded protein binding integral to endoplasmic reticulum membrane YGL146C_p RRT6 hom 0.000974030382669185 0.955018743352974 1927 Putative protein of unknown function; non-essential gene identified in a screen for mutants with increased levels of rDNA transcription; contains two putative transmembrane spans, but no significant homology to other known proteins biological_process molecular_function membrane YDL216C RRI1 hom FT SIGNALING|PROTEOLYSIS|NUCLEUS 0.000973263191261272 0.955094318677021 1928 Catalytic subunit of the COP9 signalosome (CSN) complex that acts as an isopeptidase in cleaving the ubiquitin-like protein Nedd8 from SCF ubiquitin ligases; metalloendopeptidase involved in the adaptation to pheromone signaling adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion|cullin deneddylation metalloendopeptidase activity signalosome YCR082W AHC2 hom FT CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.000951232694314333 0.956070476363895 1929 Component of the ADA histone acetyltransferase complex; Ach2p and Ach1p are unique to the ADA complex and not shared with the related SAGA and SLIK complexes; may tether Ach1p to the complex histone acetylation histone acetyltransferase activity Ada2/Gcn5/Ada3 transcription activator complex|nucleus|cytoplasm YDR048C_d YDR048C hom 0.000892301176531334 0.958789532608097 1930 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOL042W NGL1 hom FT MITOCHONDRION 0.000876736981147309 0.959531870001157 1931 Putative endonuclease, has a domain similar to a magnesium-dependent endonuclease motif in mRNA deadenylase Ccr4p; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process endonuclease activity mitochondrion YFR003C YPI1 het FT CELL CYCLE|LIPID METABOLISM|ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.000876178471837136 0.959533507004626 1932 Regulatory subunit of the type I protein phosphatase (PP1) Glc7p; Glc7p participates in the regulation of a variety of metabolic processes including mitosis and glycogen metabolism; in vitro evidence suggests Ypi1p is an inhibitor of Glc7p while in vivo evidence suggests it is an activator; overproduction causes decreased cellular content of glycogen; partial depletion causes lithium sensitivity, while overproduction confers lithium-tolerance negative regulation of phosphoprotein phosphatase activity|glycogen metabolic process|cellular ion homeostasis|Unknown|positive regulation of phosphoprotein phosphatase activity|negative regulation of protein dephosphorylation|mitotic cell cycle spindle assembly checkpoint protein serine/threonine phosphatase inhibitor activity|protein phosphatase type 1 activator activity nucleus YJL175W_d YJL175W hom 0.000854606941439499 0.960546614506577 1933 Dubious open reading frame unlikely to encode a functional protein; deletion confers resistance to cisplatin, hypersensitivity to 5-fluorouracil, and growth defect at high pH with high calcium; overlaps gene for SWI3 transcription factor Unknown Unknown Unknown YDL125C HNT1 hom FT NUCLEOTIDE METABOLISM|NUCLEUS 0.000846356902122839 0.960909701252771 1934 Adenosine 5'-monophosphoramidase; interacts physically and genetically with Kin28p, a CDK and TFIIK subunit, and genetically with CAK1; member of the histidine triad (HIT) superfamily of nucleotide-binding proteins and similar to Hint; protein abundance increases in response to DNA replication stress nucleotide metabolic process hydrolase activity|nucleotide binding nucleus|cytoplasm YJL100W LSB6 hom FT LIPID METABOLISM|PLASMA MEMBRANE 0.000844128778502288 0.961012528564007 1935 Type II phosphatidylinositol 4-kinase that binds Las17p, which is a homolog of human Wiskott-Aldrich Syndrome protein involved in actin patch assembly and actin polymerization phosphatidylinositol phosphorylation 1-phosphatidylinositol 4-kinase activity fungal-type vacuole membrane|plasma membrane|cytoplasm YNL067W RPL9B hom FT TRANSLATION|RIBOSOME 0.000837973700175526 0.961296587152061 1936 Ribosomal 60S subunit protein L9B; nearly identical to paralog Rpl9Ap; homologous to mammalian ribosomal protein L9 and bacterial L6 cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YDR107C TMN2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT 0.000836927576680718 0.961344866533507 1937 Protein with a role in cellular adhesion and filamentous growth; similar to Emp70p and Tmn3p; member of the evolutionarily conserved Transmembrane Nine family of proteins with nine membrane-spanning segments cellular copper ion homeostasis|pseudohyphal growth|vacuolar transport|invasive growth in response to glucose limitation molecular_function fungal-type vacuole membrane|integral to membrane YJL117W PHO86 hom FT VESICLE-MEDIATED TRANSPORT|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOPLASMIC RETICULUM 0.000814187124823082 0.962394390103849 1938 Endoplasmic reticulum (ER) resident protein; required for ER exit of the high-affinity phosphate transporter Pho84p, specifically required for packaging of Pho84p into COPII vesicles; protein abundance increases in response to DNA replication stress protein folding|ER to Golgi vesicle-mediated transport|regulation of phosphate transport unfolded protein binding endoplasmic reticulum YGR216C GPI1 het FT LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.000811215726061179 0.962531531764934 1939 Membrane protein involved in the synthesis of N-acetylglucosaminyl phosphatidylinositol (GlcNAc-PI), the first intermediate in the synthesis of glycosylphosphatidylinositol (GPI) anchors; human and mouse GPI1p are functional homologs GPI anchor biosynthetic process phosphatidylinositol N-acetylglucosaminyltransferase activity glycosylphosphatidylinositol-N-acetylglucosaminyltransferase (GPI-GnT) complex|integral to membrane YCR021C HSP30 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|PLASMA MEMBRANE 0.000801667566778053 0.962972224098144 1940 Hydrophobic plasma membrane localized, stress-responsive protein that negatively regulates the H(+)-ATPase Pma1p; induced by heat shock, ethanol treatment, weak organic acid, glucose limitation, and entry into stationary phase negative regulation of ATPase activity|response to stress molecular_function integral to membrane|plasma membrane YPR180W AOS1 het FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.000797109805456216 0.963292464623663 1941 Subunit of a heterodimeric nuclear SUMO activating enzyme (E1) with Uba2p; activates Smt3p (SUMO) before its conjugation to proteins (sumoylation), which may play a role in protein targeting; essential for viability protein sumoylation SUMO activating enzyme activity nucleus|SUMO activating enzyme complex YDR165W TRM82 hom FT RNA PROCESSING|NUCLEUS 0.00079144890952647 0.963443875580085 1942 Catalytic subunit of a tRNA methyltransferase complex; Trm8p and Trm82p comprise an enzyme that catalyzes a methyl-transfer from S-adenosyl-l-methionine to the N(7) atom of guanine at position 46 in tRNA; Trm8 lacks catalytic activity if not bound to Trm82p tRNA methylation tRNA (guanine-N7-)-methyltransferase activity tRNA methyltransferase complex|nucleus YGR018C_p YGR018C hom 0.000768419901032382 0.964506847178502 1943 Protein of unknown function; mRNA identified as translated by ribosome profiling data; partially overlaps the uncharacterized ORF YGR017W biological_process molecular_function cellular_component YLR390W-A CCW14 hom FT CELL WALL ORG/BIOGENESIS|MITOCHONDRION 0.000761518559366917 0.964846381768972 1944 Covalently linked cell wall glycoprotein, present in the inner layer of the cell wall fungal-type cell wall organization structural constituent of cell wall mitochondrion|fungal-type cell wall YNL002C RLP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS 0.000753197833704676 0.96522505638062 1945 Nucleolar protein with similarity to large ribosomal subunit L7 proteins; constituent of 66S pre-ribosomal particles; plays an essential role in processing of precursors to the large ribosomal subunit RNAs ribosomal large subunit biogenesis|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|exonucleolytic trimming to generate mature 5'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) rRNA binding nucleolus|preribosome, large subunit precursor YBL081W_p YBL081W hom 0.000748034856090268 0.965525144791281 1946 Non-essential protein of unknown function; null mutation results in a decrease in plasma membrane electron transport biological_process molecular_function cellular_component YIL042C PKP1 hom FT SIGNALING|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|MITOCHONDRION 0.000746669089142661 0.965531440147498 1947 Mitochondrial protein kinase involved in negative regulation of pyruvate dehydrogenase complex activity by phosphorylating the ser-133 residue of the Pda1p subunit; acts in concert with kinase Pkp2p and phosphatases Ptc5p and Ptc6p peptidyl-serine phosphorylation|protein phosphorylation|carbon utilization protein kinase activity|pyruvate dehydrogenase (acetyl-transferring) kinase activity mitochondrion YGR097W ASK10 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|RNA POL II, HOLOENZYME 0.000744127823631269 0.96562818773501 1948 Component of RNA polymerase II holoenzyme; phosphorylated in response to oxidative stress; has a role in destruction of Ssn8p; proposed to function in activation of the glycerol channel Fps1p; ASK10 has a paralog, RGC1, that arose from the whole genome duplication cellular protein catabolic process|cellular response to oxidative stress|positive regulation of transcription from RNA polymerase II promoter|positive regulation of glycerol transport molecular_function DNA-directed RNA polymerase II, holoenzyme|cytoplasm YPR056W TFB4 het FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.000742445181901715 0.965705862283985 1949 Subunit of TFIIH complex, involved in transcription initiation, similar to 34 kDa subunit of human TFIIH; interacts with Ssl1p phosphorylation of RNA polymerase II C-terminal domain|nucleotide-excision repair|transcription from RNA polymerase II promoter core RNA polymerase binding transcription factor activity core TFIIH complex|holo TFIIH complex|nucleotide-excision repair factor 3 complex YOL154W ZPS1 hom 0.000729971090087543 0.966281704677687 1950 Putative GPI-anchored protein; transcription is induced under low-zinc conditions, as mediated by the Zap1p transcription factor, and at alkaline pH biological_process molecular_function fungal-type cell wall|fungal-type vacuole YJR137C MET5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|CELL WALL ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS 0.000727126189826038 0.966438069778422 1951 Sulfite reductase beta subunit, involved in amino acid biosynthesis, transcription repressed by methionine fungal-type cell wall organization|sulfate assimilation sulfite reductase (NADPH) activity sulfite reductase complex (NADPH)|cytoplasm YJL062W-A COA3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.000724216054750921 0.966547380729295 1952 Mitochondrial inner membrane protein that participates in regulation of COX1 translation, Cox1p stabilization, and cytochrome oxidase assembly mitochondrial respiratory chain complex IV assembly|negative regulation of mitochondrial translation molecular_function mitochondrion|mitochondrial inner membrane|integral to mitochondrial inner membrane YGL149W_d YGL149W hom 0.00072095052402196 0.966698132682976 1953 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF INO80/YGL150C. Unknown Unknown Unknown YCL023C_d YCL023C hom 0.000706937184792461 0.967345066467825 1954 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified ORF KCC4 Unknown Unknown Unknown YKL220C FRE2 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.000702614372109617 0.967544635932212 1955 Ferric reductase and cupric reductase, reduces siderophore-bound iron and oxidized copper prior to uptake by transporters; expression induced by low iron levels but not by low copper levels iron ion transport|copper ion import ferric-chelate reductase activity integral to membrane|plasma membrane YDR138W HPR1 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|RESPONSE TO DNA DAMAGE|RNA LOCALIZATION|NUCLEUS|RNA POL II, HOLOENZYME 0.000700780329559596 0.96762930801335 1956 Subunit of THO/TREX complexes that couple transcription elongation with mitotic recombination and with mRNA metabolism and export, subunit of an RNA Pol II complex; regulates lifespan; involved in telomere maintenance; similar to Top1p mRNA 3'-end processing|mRNA export from nucleus|transcription-coupled nucleotide-excision repair|DNA recombination|response to DNA damage stimulus|transcription elongation from RNA polymerase II promoter protein complex scaffold|nucleic acid binding THO complex part of transcription export complex|Cdc73/Paf1 complex|nucleoplasmic THO complex YDR271C_d YDR271C hom 0.00069118877086886 0.968072126580459 1957 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF CCC2/YDR270W Unknown Unknown Unknown YGR251W NOP19 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.000689712605189736 0.968140278379938 1958 Ribosome biogenesis factor; nucleolar protein associated with pre-rRNA components of the 90S preribosome, required for cleavage of pre-rRNA at A0, A1 and A2 sites; interacts with RNA helicase Dhr2p and RNA helicase-like protein Utp25p; required for incorporation of Utp25p into preribosomes endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleoplasm|nucleolus|nucleus|90S preribosome YGR160W_d YGR160W hom 0.000689416756014321 0.96815393720922 1959 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGR088W CTT1 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS 0.000684333994762183 0.968388600694723 1960 Cytosolic catalase T, has a role in protection from oxidative damage by hydrogen peroxide response to reactive oxygen species catalase activity cytoplasm YGR022C_d YGR022C hom 0.000675046218585589 0.968817410483692 1961 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps almost completely with the verified ORF MTL1/YGR023W Unknown Unknown Unknown YPR060C ARO7 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.000669443998017089 0.969076065248565 1962 Chorismate mutase, catalyzes the conversion of chorismate to prephenate to initiate the tyrosine/phenylalanine-specific branch of aromatic amino acid biosynthesis aromatic amino acid family biosynthetic process chorismate mutase activity nucleus|cytoplasm YDR517W GRH1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.000663530200405035 0.96934910906634 1963 Acetylated cis-Golgi protein, involved in ER to Golgi transport; homolog of human GRASP65; forms a complex with the coiled-coil protein Bug1p; mutants are compromised for the fusion of ER-derived vesicles with Golgi membranes; protein abundance increases in response to DNA replication stress protein secretion|ER to Golgi vesicle-mediated transport|Golgi organization molecular_function COPII vesicle coat|cis-Golgi network|cytoplasm YDR164C SEC1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.000663097954934462 0.96936906625738 1964 Sm-like protein involved in docking and fusion of exocytic vesicles; binds to assembled SNARE complexes at the membrane and stimulates membrane fusion; localization to sites of secretion (bud neck and bud tip) is dependent on SNARE function positive regulation of vesicle fusion|exocytosis|vesicle docking involved in exocytosis SNARE binding plasma membrane|cellular bud neck|cellular bud tip YIL010W DOT5 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|CHROMOSOME 0.000662290955402745 0.96940632625684 1965 Nuclear thiol peroxidase which functions as an alkyl-hydroperoxide reductase during post-diauxic growth cellular response to oxidative stress|cell redox homeostasis thioredoxin peroxidase activity nucleus YBR090C_p YBR090C hom FT NUCLEUS 0.000659936222224506 0.96954686495308 1966 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus biological_process molecular_function nucleus|cytoplasm YDR139C RUB1 hom 0.000652419483441239 0.969862107661095 1967 Ubiquitin-like protein with similarity to mammalian NEDD8; conjugation (neddylation) substrates include the cullins Cdc53p, Rtt101p, and Cul3p; activated by Ula1p and Uba3p (E1 enzyme pair); conjugation mediated by Ubc12p (E2 enzyme) protein neddylation protein tag cytoplasm YIL114C POR2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.000648312597457672 0.970051731960595 1968 Putative mitochondrial porin (voltage-dependent anion channel); not required for mitochondrial membrane permeability or mitochondrial osmotic stability; POR2 has a paralog, POR1, that arose from the whole genome duplication DNA transport|ion transport|cell redox homeostasis voltage-gated anion channel activity mitochondrial outer membrane|mitochondrion|integral to membrane YNL263C YIF1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.000647971329946121 0.970067489136824 1969 Integral membrane protein required for the fusion of ER-derived COPII transport vesicles with the Golgi; interacts with Yip1p and Yos1p; localizes to the Golgi, the ER, and COPII vesicles; homolog of human YIPF3 ER to Golgi vesicle-mediated transport molecular_function integral to membrane|integral to Golgi membrane|endoplasmic reticulum membrane|ER to Golgi transport vesicle YML065W ORC1 het FT GENE SILENCING|NUCLEUS|CHROMOSOME 0.000625250504974275 0.971116592537025 1970 Largest subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing; exhibits ATPase activity pre-replicative complex assembly|DNA replication initiation|chromatin silencing at silent mating-type cassette chromatin binding|DNA replication origin binding|ATPase activity|ATP binding DNA replication preinitiation complex|nucleus|pre-replicative complex|nuclear origin of replication recognition complex YGR023W MTL1 hom FT CELL WALL ORG/BIOGENESIS|RESPONSE TO NUTRIENT LEVELS|RESPONSE TO OXIDATIVE STRESS|PLASMA MEMBRANE 0.000621471384592842 0.971325342407301 1971 Putative plasma membrane sensor, involved in cell integrity signaling and stress response during glucose starvation and oxidative stress; has structural and functional similarity to Mid2p cellular response to glucose starvation|fungal-type cell wall organization|cellular response to oxidative stress molecular_function integral to plasma membrane YJL171C YJL171C hom FT MITOCHONDRION|PLASMA MEMBRANE 0.000604406210068753 0.97207909368014 1972 GPI-anchored cell wall protein of unknown function; induced in response to cell wall damaging agents and by mutations in genes involved in cell wall biogenesis; sequence similarity to YBR162C/TOS1, a covalently bound cell wall protein; protein abundance increases in response to DNA replication stress biological_process molecular_function mitochondrion|fungal-type cell wall|plasma membrane YML108W YML108W hom FT NUCLEUS 0.000602259112474446 0.972178239874607 1973 Protein of unknown function; structure defines a new subfamily of the split beta-alpha-beta sandwiches; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; YML108W is not an essential gene; relative distribution to the nucleus increases upon DNA replication stress biological_process molecular_function nucleus|cytoplasm YKR037C SPC34 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.000598164831511186 0.972412640942501 1974 Essential subunit of the Dam1 complex (aka DASH complex), couples kinetochores to the force produced by MT depolymerization thereby aiding in chromosome segregation; also localized to nuclear side of spindle pole body microtubule nucleation|mitotic spindle organization in nucleus|regulation of microtubule polymerization or depolymerization microtubule binding|structural constituent of cytoskeleton spindle microtubule|DASH complex|condensed nuclear chromosome kinetochore|spindle pole body|spindle YGL081W_p YGL081W hom 0.000595147867284292 0.972506617807321 1975 Putative protein of unknown function; non-essential gene; interacts genetically with CHS5, a gene involved in chitin biosynthesis biological_process molecular_function cellular_component YNL218W MGS1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.000579436406715319 0.973232146697175 1976 Protein with DNA-dependent ATPase and ssDNA annealing activities; involved in maintenance of genome; interacts functionally with DNA polymerase delta; homolog of human Werner helicase interacting protein (WHIP); forms nuclear foci upon DNA replication stress regulation of DNA repair|DNA replication, Okazaki fragment processing|DNA strand renaturation ubiquitin binding|single-stranded DNA-dependent ATPase activity|enzyme activator activity nucleus|cytoplasm YGR209C TRX2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|RESPONSE TO OXIDATIVE STRESS|ENDOMEMBRANE SYSTEM|NUCLEUS|GOLGI APPARATUS 0.000578036887170014 0.973296775244562 1977 Cytoplasmic thioredoxin isoenzyme; part of the thioredoxin system which protects cells against oxidative and reductive stress; forms LMA1 complex with Pbi2p; acts as a cofactor for Tsa1p; required for ER-Golgi transport and vacuole inheritance; protein abundance increases in response to DNA replication stress vacuole inheritance|regulation of DNA replication|cell redox homeostasis|protein deglutathionylation|sulfate assimilation|retrograde vesicle-mediated transport, Golgi to ER|cellular response to oxidative stress|ER to Golgi vesicle-mediated transport|vacuole fusion, non-autophagic disulfide oxidoreductase activity cytosol|fungal-type vacuole YBR118W TEF2 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|RNA LOCALIZATION|CYTOSKELETON|RIBOSOME 0.000576112442181486 0.973385644660459 1978 Translational elongation factor EF-1 alpha; also encoded by TEF1; functions in the binding reaction of aminoacyl-tRNA (AA-tRNA) to ribosomes; may also have a role in tRNA re-export from the nucleus; TEF2 has a paralog, TEF1, that arose from the whole genome duplication translational elongation|tRNA export from nucleus GDP binding|GTP binding|translation elongation factor activity ribosome|eukaryotic translation elongation factor 1 complex|cytoplasm YAL044C GCV3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.000576069326278496 0.973387635724077 1979 H subunit of the mitochondrial glycine decarboxylase complex, required for the catabolism of glycine to 5,10-methylene-THF; also required for all protein lipoylation; expression is regulated by levels of 5,10-methylene-THF glycine catabolic process|one-carbon metabolic process|protein lipoylation glycine dehydrogenase (decarboxylating) activity mitochondrion|glycine cleavage complex YOL005C RPB11 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00057269753974199 0.973547286569636 1980 RNA polymerase II subunit B12.5; part of central core; similar to Rpc19p and bacterial alpha subunit termination of RNA polymerase II transcription|transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|DNA-directed RNA polymerase activity DNA-directed RNA polymerase II, core complex YNL142W MEP2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.000563828283498679 0.973968458946172 1981 Ammonium permease involved in regulation of pseudohyphal growth; belongs to a ubiquitous family of cytoplasmic membrane proteins that transport only ammonium (NH4+); expression is under the nitrogen catabolite repression regulation nitrogen utilization|ammonium transport|pseudohyphal growth ammonium transmembrane transporter activity integral to membrane|plasma membrane YMR008C PLB1 hom FT LIPID METABOLISM|PLASMA MEMBRANE 0.000550050880248845 0.974589179972111 1982 Phospholipase B (lysophospholipase) involved in lipid metabolism, required for deacylation of phosphatidylcholine and phosphatidylethanolamine but not phosphatidylinositol glycerophospholipid metabolic process lysophospholipase activity periplasmic space|plasma membrane YJL044C GYP6 hom FT PROTEIN LOCALIZATION|SIGNALING|NUCLEOTIDE METABOLISM 0.000548603018230282 0.974659822391701 1983 GTPase-activating protein (GAP) for the yeast Rab family member, Ypt6p; involved in vesicle mediated protein transport intracellular protein transport GTPase activator activity endosome|clathrin-coated vesicle YDR242W AMD2 hom 0.000545411760568245 0.974852291936778 1984 Putative amidase biological_process amidase activity cellular_component YHR183W GND1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.000534964472066305 0.975304329163364 1985 6-phosphogluconate dehydrogenase (decarboxylating); catalyzes an NADPH regenerating reaction in the pentose phosphate pathway; required for growth on D-glucono-delta-lactone and adaptation to oxidative stress; GND1 has a paralog, GND2, that arose from the whole genome duplication cellular response to oxidative stress|pentose-phosphate shunt, oxidative branch phosphogluconate dehydrogenase (decarboxylating) activity mitochondrion|cytoplasm YDR023W SES1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.000525495920830515 0.975723192626957 1986 Cytosolic seryl-tRNA synthetase, class II aminoacyl-tRNA synthetase that aminoacylates tRNA(Ser), displays tRNA-dependent amino acid recognition which enhances discrimination of the serine substrate, interacts with peroxin Pex21p seryl-tRNA aminoacylation serine-tRNA ligase activity cytoplasm YGL114W_p YGL114W hom FT PROTEIN LOCALIZATION 0.000521374226082815 0.975913548208688 1987 Putative protein of unknown function; predicted member of the oligopeptide transporter (OPT) family of membrane transporters transport oligopeptide transporter activity integral to membrane|membrane YMR202W ERG2 hom FF|FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.000514627457279216 0.97624996177834 1988 C-8 sterol isomerase, catalyzes the isomerization of the delta-8 double bond to the delta-7 position at an intermediate step in ergosterol biosynthesis ergosterol biosynthetic process C-8 sterol isomerase activity endoplasmic reticulum YKR023W_p YKR023W hom FT NUCLEUS|MITOCHONDRION 0.000514587293590736 0.97622699761623 1989 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion|cytoplasm YLR346C_p YLR346C hom FT MITOCHONDRION 0.000508368240355886 0.976517724098461 1990 Putative protein of unknown function found in mitochondria; expression is regulated by transcription factors involved in pleiotropic drug resistance, Pdr1p and Yrr1p; YLR346C is not an essential gene biological_process molecular_function mitochondrion YOR301W RAX1 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.000502840189358562 0.976769537494895 1991 Protein involved in bud site selection during bipolar budding; localization requires Rax2p; has similarity to members of the insulin-related peptide superfamily cellular bud site selection molecular_function integral to membrane|cellular bud neck YMR270C RRN9 het FT NUCLEUS 0.000498048561209114 0.977001133192432 1992 Protein involved in promoting high level transcription of rDNA, subunit of UAF (upstream activation factor) for RNA polymerase I transcription of nuclear large rRNA transcript from RNA polymerase I promoter TBP-class protein binding|RNA polymerase I upstream control element sequence-specific DNA binding transcription factor activity nucleolus|RNA polymerase I upstream activating factor complex YIL108W YIL108W hom FT PROTEOLYSIS 0.000488566555547403 0.977428779546457 1993 Putative metalloendopeptidase; forms cytoplasmic foci upon DNA replication stress biological_process molecular_function cytoplasm YBR165W UBS1 hom FT PROTEIN LOCALIZATION|NUCLEUS 0.00048141719753924 0.97775898561616 1994 Ubiquitin-conjugating enzyme suppressor that functions as a general positive regulator of Cdc34p activity; nuclear protein that may represent a link between nucleocytoplasmic transport and ubiquitin ligase activity protein export from nucleus|protein ubiquitination molecular_function nucleus YGL084C GUP1 hom FF|FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.000477992381766801 0.977917168298844 1995 Plasma membrane protein involved in remodeling GPI anchors; member of the MBOAT family of putative membrane-bound O-acyltransferases; proposed to be involved in glycerol transport GPI anchor biosynthetic process|glycerol transport|glycerol catabolic process O-acyltransferase activity integral to membrane|endoplasmic reticulum|plasma membrane|membrane YKL205W LOS1 hom FT RNA PROCESSING|RNA LOCALIZATION|NUCLEUS|MITOCHONDRION 0.000476002823969207 0.978018896943131 1996 Nuclear pore protein involved in nuclear export of pre-tRNA and in re-export of mature tRNAs after their retrograde import from the cytoplasm tRNA re-export from nucleus|tRNA splicing, via endonucleolytic cleavage and ligation|tRNA export from nucleus tRNA binding|Ran GTPase binding mitochondrion|integral to membrane|nuclear matrix|cytoplasm YER068W MOT2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.000471648663963694 0.978210169208632 1997 Ubiquitin-protein ligase subunit of the CCR4-NOT complex; with Ubc4p, ubiquitinates nascent polypeptide-associated complex subunits and histone demethyase Jhd2p; CCR4-NOT has roles in transcription regulation, mRNA degradation, and post-transcriptional modifications deadenylation-independent decapping of nuclear-transcribed mRNA|positive regulation of transcription elongation from RNA polymerase II promoter|protein polyubiquitination|protein ubiquitination ubiquitin-protein ligase activity|sequence-specific DNA binding CCR4-NOT core complex|cytoplasm YHR049C-A_d YHR049C-A hom 0.000441119273092276 0.979620287983644 1998 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBR029C CDS1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.000434143950966996 0.979942479484984 1999 Phosphatidate cytidylyltransferase (CDP-diglyceride synthetase); an enzyme that catalyzes that conversion of CTP + phosphate into diphosphate + CDP-diaclglyerol, a critical step in the synthesis of all major yeast phospholipids phosphatidylserine metabolic process|phosphatidylglycerol biosynthetic process phosphatidate cytidylyltransferase activity mitochondrion|integral to membrane|endoplasmic reticulum YLR290C_p YLR290C hom FT MITOCHONDRION 0.000431503832412291 0.980064427936503 2000 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; YLR290C is not an essential gene biological_process molecular_function mitochondrion YOR347C PYK2 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.000428412012139731 0.980207241317503 2001 Pyruvate kinase; appears to be modulated by phosphorylation; transcription repressed by glucose, and Pyk2p may be active under low glycolytic flux; PYK2 has a paralog, CDC19, that arose from the whole genome duplication pyruvate metabolic process pyruvate kinase activity cytosol|mitochondrion YPR011C_p YPR011C hom FT MITOCHONDRION 0.000422607691383895 0.980478259458719 2002 Putative transporter, member of the mitochondrial carrier family; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies transport transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YOL123W HRP1 het FT RNA PROCESSING|NUCLEUS 0.000420296790036934 0.980582092212287 2003 Subunit of cleavage factor I, a five-subunit complex required for the cleavage and polyadenylation of pre-mRNA 3' ends; RRM-containing heteronuclear RNA binding protein and hnRNPA/B family member that binds to poly (A) signal sequences mRNA cleavage|mRNA polyadenylation mRNA binding|RNA binding mRNA cleavage factor complex|nucleus|cytoplasmic stress granule|cytoplasm YML077W BET5 het FT VESICLE-MEDIATED TRANSPORT|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.000419465158446221 0.980620506419315 2004 Component of the TRAPP (transport protein particle) complex, which plays an essential role in the vesicular transport from endoplasmic reticulum to Golgi ER to Golgi vesicle-mediated transport Rab guanyl-nucleotide exchange factor activity TRAPP complex YDL184C RPL41A hom FT TRANSLATION|RIBOSOME 0.000406169311428048 0.981234665919986 2005 Ribosomal 60S subunit protein L41A; comprises only 25 amino acids; rpl41a rpl41b double null mutant is viable; homologous to mammalian ribosomal protein L41, no bacterial homolog; RPL41A has a paralog, RPL41B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YGR177C ATF2 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.000405441635653229 0.981285040513245 2006 Alcohol acetyltransferase, may play a role in steroid detoxification; forms volatile esters during fermentation, which is important for brewing and winemaking steroid metabolic process|response to toxin|Unknown|sterol acetylation alcohol O-acetyltransferase activity integral to endoplasmic reticulum membrane|endoplasmic reticulum|cytoplasm YML022W APT1 hom FT NUCLEOTIDE METABOLISM|NUCLEUS 0.000404270150250312 0.98132239256552 2007 Adenine phosphoribosyltransferase; catalyzes the formation of AMP from adenine and 5-phosphoribosylpyrophosphate; involved in the salvage pathway of purine nucleotide biosynthesis; APT1 has a paralog, APT2, that arose from the whole genome duplication AMP biosynthetic process|adenine salvage adenine phosphoribosyltransferase activity nucleus|cytoplasm YMR006C PLB2 hom FT LIPID METABOLISM 0.000396271854969118 0.981691854781267 2008 Phospholipase B (lysophospholipase) involved in phospholipid metabolism; displays transacylase activity in vitro; overproduction confers resistance to lysophosphatidylcholine glycerophospholipid metabolic process lysophospholipase activity extracellular region|fungal-type cell wall YNR017W TIM23 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.000394221817589288 0.98178926733302 2009 Essential component of the Translocase of the Inner Mitochondrial membrane (TIM23 complex); involved in protein import into mitochondrial matrix and inner membrane; with Tim17p, contributes to architecture and function of the import channel protein import into mitochondrial matrix mitochondrion targeting sequence binding|protein channel activity mitochondrion|integral to membrane|mitochondrial inner membrane presequence translocase complex YGL181W GTS1 hom FT VESICLE-MEDIATED TRANSPORT|TRANSCRIPTION FROM RNA POL II|LIPID METABOLISM|MEMBRANE ORGANIZATION|SIGNALING|NUCLEOTIDE METABOLISM|NUCLEUS|CYTOSKELETON 0.000392683000865595 0.98185763463614 2010 Protein involved in Arf3p regulation and in transcription regulation; localizes to the nucleus and to endocytic patches; contains an N-terminal Zn-finger and ArfGAP homology domain, a C-terminal glutamine-rich region, and a UBA (ubiquitin associated) domain; gts1 mutations affect budding, cell size, heat tolerance, sporulation, life span, ultradian rhythms, endocytosis; expression oscillates in a pattern similar to metabolic oscillations endocytosis|ultradian rhythm|regulation of transcription from RNA polymerase II promoter|negative regulation of phosphatidylinositol biosynthetic process|positive regulation of transcription from RNA polymerase II promoter ARF GTPase activator activity|repressing transcription factor binding|transcription factor binding transcription factor activity nucleus|cytoplasm|actin cortical patch YJL152W_d YJL152W hom 0.000392437503748794 0.981868974907495 2011 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBL071W-A KTI11 hom FT RNA PROCESSING|NUCLEUS 0.000388961218396539 0.982034914281275 2012 Zn-ribbon protein that co-purifies with Dph1 and Dph2 in a complex required for synthesis of diphthamide on translation factor eEF2 and with Elongator subunits Iki3p, Elp2p, and Elp3p involved in modification of wobble nucleosides in tRNAs peptidyl-diphthamide biosynthetic process from peptidyl-histidine|tRNA wobble uridine modification electron carrier activity|iron ion binding|zinc ion binding nucleus|cytoplasm YGR041W BUD9 hom FT CELL CYCLE|CELL DIVISION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.000388412912106382 0.98205488376739 2013 Protein involved in bud-site selection; mutant has increased aneuploidy tolerance; diploid mutants display a unipolar budding pattern instead of the wild-type bipolar pattern, and bud at the distal pole cellular bud site selection molecular_function plasma membrane|cellular bud neck YJL001W PRE3 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.000386406220333094 0.982147579692877 2014 Beta 1 subunit of the 20S proteasome, responsible for cleavage after acidic residues in peptides proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process endopeptidase activity nucleus|proteasome storage granule|endoplasmic reticulum membrane|proteasome core complex, beta-subunit complex YDL020C RPN4 hom FF|FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.000386148514110196 0.982188763031865 2015 Transcription factor that stimulates expression of proteasome genes; Rpn4p levels are in turn regulated by the 26S proteasome in a negative feedback control mechanism; RPN4 is transcriptionally regulated by various stress responses; relative distribution to the nucleus increases upon DNA replication stress positive regulation of proteasomal ubiquitin-dependent protein catabolic process|positive regulation of transcription from RNA polymerase II promoter in response to arsenic-containing substance|regulation of DNA repair|negative regulation of transcription from RNA polymerase II promoter|negative regulation of transcription from RNA polymerase II promoter in response to stress|positive regulation of transcription from RNA polymerase II promoter in response to stress|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus YBL041W PRE7 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.000385088767870833 0.982234979709301 2016 Beta 6 subunit of the 20S proteasome proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process molecular_function nucleus|proteasome storage granule|endoplasmic reticulum membrane|proteasome core complex, beta-subunit complex YJR153W PGU1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.000383685754908277 0.9822732476381 2017 Endo-polygalacturonase, pectolytic enzyme that hydrolyzes the alpha-1,4-glycosidic bonds in the rhamnogalacturonan chains in pectins pseudohyphal growth|pectin catabolic process polygalacturonase activity extracellular region YCR073C SSK22 hom FT SIGNALING|PROTEIN PHOSPHORYLATION 0.000381923614459358 0.982354647389132 2018 MAP kinase kinase kinase of the HOG1 mitogen-activated signaling pathway; functionally redundant with, and homologous to, Ssk2p; interacts with and is activated by Ssk1p; phosphorylates Pbs2p MAPK cascade involved in osmosensory signaling pathway|protein phosphorylation protein kinase activity|MAP kinase kinase kinase activity cellular_component YLL013C PUF3 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|RNA LOCALIZATION|MITOCHONDRION 0.00037517698491924 0.982666300721466 2019 Protein of the mitochondrial outer surface, links the Arp2/3 complex with the mitochore during anterograde mitochondrial movement; also binds to and promotes degradation of mRNAs for select nuclear-encoded mitochondrial proteins nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay|nuclear-transcribed mRNA catabolic process|intracellular mRNA localization|mitochondrion organization|aerobic respiration|mitochondrion localization mRNA binding external side of mitochondrial outer membrane|cytoplasm YPL068C_p YPL068C hom FT NUCLEUS 0.000356276754976615 0.98353939054725 2020 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nucleus and is induced in response to the DNA-damaging agent MMS biological_process molecular_function nucleus YIL100W_d YIL100W hom 0.000354930536828494 0.983601579410301 2021 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps the dubious ORF YIL100C-A Unknown Unknown Unknown YGR067C_p YGR067C hom FT NUCLEUS 0.00034775876566784 0.983949658246114 2022 Putative protein of unknown function; contains a zinc finger motif similar to that of Adr1p biological_process sequence-specific DNA binding cellular_component YFR014C CMK1 hom FT SIGNALING|PROTEIN PHOSPHORYLATION 0.000342432099169882 0.984190749658179 2023 Calmodulin-dependent protein kinase; may play a role in stress response, many Ca++/calmodulin dependent phosphorylation substrates demonstrated in vitro, amino acid sequence similar to mammalian Cam Kinase II; CMK1 has a paralog, CMK2, that arose from the whole genome duplication signal transduction|protein phosphorylation protein kinase activity|calmodulin-dependent protein kinase activity cytoplasm YGR179C OKP1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.000338480891227756 0.984361482576687 2024 Outer kinetochore protein required for accurate chromosome segregation; component of COMA (Ctf19p, Okp1p, Mcm21p, Ame1p) a kinetochore sub-complex which functions as a platform for kinetochore assembly; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-Q and fission yeast fta7 attachment of spindle microtubules to kinetochore|chromosome segregation molecular_function COMA complex|condensed nuclear chromosome kinetochore YDR330W UBX5 hom FT PROTEOLYSIS|NUCLEUS 0.000331894720430324 0.984674886301809 2025 UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p proteasomal ubiquitin-dependent protein catabolic process molecular_function nucleus|cytoplasm YPR151C SUE1 hom FT PROTEOLYSIS|MITOCHONDRION 0.000330727719924974 0.984719650840731 2026 Mitochondrial protein required for degradation of unstable forms of cytochrome c protein catabolic process molecular_function mitochondrial envelope YMR237W BCH1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|GOLGI APPARATUS 0.000329623767745575 0.984770649661017 2027 Member of the ChAPs family (Chs5p-Arf1p-binding proteins); members include Bch1p, Bch2p, Bud7p, and Chs6p; ChAPs family proteins form the exomer complex with Chs5p to mediate export of specific cargo proteins from the Golgi to the plasma membrane; may interact with ribosomes; protein abundance increases and forms cytoplasmic foci in response to DNA replication stress; BCH1 has a paralog, BUD7, that arose from the whole genome duplication Golgi to plasma membrane transport|fungal-type cell wall chitin biosynthetic process molecular_function ribosome|clathrin-coated vesicle|exomer complex YOR267C HRK1 hom FT ION HOMEOSTASIS|PROTEIN PHOSPHORYLATION|ION HOMEOSTASIS 0.000329064129450704 0.984796503062643 2028 Protein kinase; implicated in activation of the plasma membrane H(+)-ATPase Pma1p in response to glucose metabolism; plays a role in ion homeostasis; protein abundance increases in response to DNA replication stress protein phosphorylation|cellular ion homeostasis protein serine/threonine kinase activity|protein kinase activity cytoplasm YLR405W DUS4 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS 0.000328145742949771 0.984847973004561 2029 Dihydrouridine synthase, member of a widespread family of conserved proteins including Smm1p, Dus1p, and Dus3p tRNA modification tRNA dihydrouridine synthase activity cellular_component YGR008C STF2 hom FT MITOCHONDRION 0.000325603136259825 0.984963119251126 2030 Protein involved in resistance to dessication stress; Stf2p exhibits antioxidant properties, and its overexpression prevents ROS accumulation and apoptosis; binds to the F0 sector of mitochondrial F1F0 ATPase in vitro and is proposed to modulate the inhibitory action of Inh1p and Stf1p; protein abundance increases in response to DNA replication stress cellular response to desiccation molecular_function cytoplasm YBR176W ECM31 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.000323928084569432 0.985033771754718 2031 Ketopantoate hydroxymethyltransferase, required for pantothenic acid biosynthesis, converts 2-oxoisovalerate into 2-dehydropantoate pantothenate biosynthetic process 3-methyl-2-oxobutanoate hydroxymethyltransferase activity mitochondrion YCR028C FEN2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|PLASMA MEMBRANE 0.000307770185709877 0.985780223048617 2032 Plasma membrane H+-pantothenate symporter; confers sensitivity to the antifungal agent fenpropimorph; relocalizes from vacuole to cytoplasm upon DNA replication stress pantothenate transmembrane transport|endocytosis pantothenate transmembrane transporter activity integral to membrane|plasma membrane YDL028C MPS1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.000306333764022543 0.985846582463451 2033 Dual-specificity kinase; required for spindle pole body (SPB) duplication and spindle checkpoint function; substrates include SPB proteins Spc42p, Spc110p, and Spc98p, mitotic exit network protein Mob1p, kinetochore protein Cnn1p, and checkpoint protein Mad1p protein phosphorylation|sister chromatid biorientation|spindle assembly|spindle pole body duplication associated with nuclear envelope|mitotic cell cycle spindle assembly checkpoint protein serine/threonine/tyrosine kinase activity|protein kinase activity condensed nuclear chromosome kinetochore|spindle pole body YKR060W UTP30 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS 0.000302453945916079 0.986025821723298 2034 Putative subunit of U3-containing 90S preribosome complex; complex is involved in production of 18S rRNA and assembly of small ribosomal subunit ribosomal small subunit biogenesis molecular_function nucleolus|nucleus|90S preribosome YOR298C-A MBF1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|MITOCHONDRION 0.000300856514750016 0.986101692279256 2035 Transcriptional coactivator; bridges the DNA-binding region of Gcn4p and TATA-binding protein Spt15p; suppressor of frameshift mutations; protein abundance increases in response to DNA replication stress positive regulation of transcription from RNA polymerase II promoter transcription coactivator activity mitochondrion|nucleus YJR052W RAD7 hom FT RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.000298143556348753 0.986235225253263 2036 Protein that recognizes and binds damaged DNA in an ATP-dependent manner (with Rad16p) during nucleotide excision repair; subunit of Nucleotide Excision Repair Factor 4 (NEF4) and the Elongin-Cullin-Socs (ECS) ligase complex nucleotide-excision repair, DNA damage recognition|protein ubiquitination involved in ubiquitin-dependent protein catabolic process damaged DNA binding|ubiquitin-protein ligase activity|DNA-dependent ATPase activity nucleotide-excision repair factor 4 complex|Cul3-RING ubiquitin ligase complex YLR026C SED5 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.000297547999002752 0.986254516616462 2037 cis-Golgi t-SNARE syntaxin required for vesicular transport between the ER and the Golgi complex, binds at least 9 SNARE proteins ER to Golgi vesicle-mediated transport|intra-Golgi vesicle-mediated transport|vesicle fusion with Golgi apparatus|vesicle fusion SNAP receptor activity SNARE complex|integral to membrane|cis-Golgi network YLR199C PBA1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.000289079400111069 0.986643702348935 2038 Protein involved in 20S proteasome assembly; forms a heterodimer with Add66p that binds to proteasome precursors; similar to human PAC1 constituent of the PAC1-PAC2 complex involved in proteasome assembly proteasome assembly molecular_function cytoplasm YHR132W-A IGO2 hom FT NUCLEUS 0.000288136988201863 0.986687240437301 2039 Protein required for initiation of G0 program; prevents degradation of nutrient-regulated mRNAs via the 5'-3' mRNA decay pathway; phosphorylated by Rim15p; GFP protein localizes to the cytoplasm and nucleus; similar to Igo1p mRNA stabilization molecular_function nucleus|cytoplasm YBR169C SSE2 hom 0.000287562587200959 0.986713776965136 2040 Member of the heat shock protein 70 (HSP70) family; may be involved in protein folding; localized to the cytoplasm; SSE2 has a paralog, SSE1, that arose from the whole genome duplication protein folding|protein refolding adenyl-nucleotide exchange factor activity cytoplasm YKL166C TPK3 hom FT SIGNALING|MITOCHONDRION ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.00028668264458001 0.986770236203762 2041 cAMP-dependent protein kinase catalytic subunit; promotes vegetative growth in response to nutrients via the Ras-cAMP signaling pathway; partially redundant with Tpk1p and Tpk2p; localizes to P-bodies during stationary phase; TPK3 has a paralog, TPK1, that arose from the whole genome duplication protein phosphorylation|mitochondrion organization|Ras protein signal transduction cAMP-dependent protein kinase activity|protein kinase activity cAMP-dependent protein kinase complex|nucleus|cytoplasm YDL007W RPT2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|NUCLEUS 0.0002783508274059 0.987139349450602 2042 One of six ATPases of the 19S regulatory particle of the 26S proteasome involved in the degradation of ubiquitinated substrates; required for normal peptide hydrolysis by the core 20S particle positive regulation of protein catabolic process|proteasome regulatory particle assembly|peptide catabolic process|ubiquitin-dependent protein catabolic process ATPase activity proteasome regulatory particle, base subcomplex|nucleus YML083C YML083C hom 0.000277732419801958 0.987167919288096 2043 Protein of unknown function; transcriptionally regulated by Upc2p via an upstream sterol response element; strong increase in transcript abundance during anaerobic growth compared to aerobic growth; cells deleted for YML083C do not exhibit growth defects in anerobic or anaerobic conditions biological_process molecular_function cellular_component YOR373W NUD1 het FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CYTOSKELETON 0.00027726230943888 0.987189637946466 2044 Component of the spindle pole body outer plaque; acts through the mitotic exit network to specify asymmetric spindle pole body inheritance meiotic chromosome segregation|spindle pole body separation|exit from mitosis|establishment of spindle localization structural constituent of cytoskeleton spindle pole body YDR110W FOB1 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CHROMATIN ORGANIZATION|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.000267392681662137 0.98764560766987 2045 Nucleolar protein that binds the rDNA replication fork barrier (RFB) site; required for replication fork blocking, recombinational hotspot activity, condensin recruitment to RFB and rDNA repeat segregation; related to retroviral integrases extrachromosomal circular DNA accumulation involved in cell aging|negative regulation of DNA replication|rDNA condensation|chromatin silencing at rDNA|replicative cell aging|protein localization to nucleolar rDNA repeats|DNA recombination rDNA spacer replication fork barrier binding nucleolus|rDNA heterochromatin YGR292W MAL12 hom FT CARBOHYDRATE METABOLISM 0.000261047377664459 0.987947752504362 2046 Maltase (alpha-D-glucosidase), inducible protein involved in maltose catabolism; encoded in the MAL1 complex locus; hydrolyzes the disaccharides maltose, turanose, maltotriose, and sucrose sucrose catabolic process|maltose catabolic process sucrose alpha-glucosidase activity|maltose alpha-glucosidase activity plasma membrane YGR136W LSB1 hom FT NUCLEUS 0.000244986549867011 0.988685833440462 2047 Protein containing an N-terminal SH3 domain; binds Las17p, which is a homolog of human Wiskott-Aldrich Syndrome protein involved in actin patch assembly and actin polymerization; protein increases in abundance and forms nuclear foci in response to DNA replication stress biological_process molecular_function nucleus|cytoplasm YGL125W MET13 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.000242841100319174 0.988779890293013 2048 Major isozyme of methylenetetrahydrofolate reductase, catalyzes the reduction of 5,10-methylenetetrahydrofolate to 5-methyltetrahydrofolate in the methionine biosynthesis pathway methionine biosynthetic process methylenetetrahydrofolate reductase (NADPH) activity mitochondrion YGR074W SMD1 het FT RNA PROCESSING|NUCLEUS 0.00024164905203028 0.988834963498383 2049 Core Sm protein Sm D1; part of heteroheptameric complex (with Smb1p, Smd2p, Smd3p, Sme1p, Smx3p, and Smx2p) that is part of the spliceosomal U1, U2, U4, and U5 snRNPs; homolog of human Sm D1; protein abundance increases in response to DNA replication stress mRNA splicing, via spliceosome mRNA binding commitment complex|U1 snRNP|U4/U6 x U5 tri-snRNP complex|U2-type prespliceosome|U5 snRNP YKL047W_p ANR2 hom 0.00024154061899187 0.988839973159652 2050 Putative protein of unknown function, predicted to be palmitoylated; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm biological_process molecular_function cytoplasm YDR104C SPO71 hom FT CELL WALL ORG/BIOGENESIS 0.000234699678714544 0.98915602894457 2051 Meiosis-specific protein of unknown function, required for spore wall formation during sporulation, in particular for the proper size of the prospore membrane (PSM); interacts with SPO1; dispensable for both nuclear divisions during meiosis; contains two PH domains ascospore wall assembly molecular_function ascospore wall YGR278W CWC22 het FT RNA PROCESSING|NUCLEUS 0.000226442094679813 0.989537536831921 2052 Spliceosome-associated protein that is required for pre-mRNA splicing; necessary for Prp2p function at the first catalytic step of splicing; has similarity to S. pombe Cwf22p; CWC22 is an essential protein mRNA splicing, via spliceosome molecular_function U2-type spliceosomal complex|U2-type catalytic step 1 spliceosome YDR487C RIB3 het FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.000226274907864724 0.989545261039718 2053 3,4-dihydroxy-2-butanone-4-phosphate synthase (DHBP synthase), required for riboflavin biosynthesis from ribulose-5-phosphate, also has an unrelated function in mitochondrial respiration riboflavin biosynthetic process|aerobic respiration 3,4-dihydroxy-2-butanone-4-phosphate synthase activity cytosol|mitochondrial intermembrane space YDR101C ARX1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|PROTEOLYSIS|NUCLEUS|RIBOSOME 0.000219813905926592 0.989845281215249 2054 Shuttling pre-60S factor; involved in the biogenesis of ribosomal large subunit biogenesis; interacts directly with Alb1; responsible for Tif6 recycling defects in absence of Rei1; associated with the ribosomal export complex ribosomal large subunit biogenesis molecular_function nucleoplasm|cytosolic large ribosomal subunit|cytoplasm YLL007C_p YLL007C hom 0.000218653286814764 0.989897389027146 2055 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YLL007C is not an essential gene biological_process molecular_function cytoplasm YBL099W ATP1 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.000217072308334904 0.989971927788862 2056 Alpha subunit of the F1 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis; phosphorylated ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism|ATPase activity|proton-transporting ATPase activity, rotational mechanism mitochondrial nucleoid|proton-transporting ATP synthase complex, catalytic core F(1)|mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase, catalytic core YNL166C BNI5 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.000212959254838921 0.990178080933831 2057 Protein involved in organization of septins at the mother-bud neck, may interact directly with the Cdc11p septin, localizes to bud neck in a septin-dependent manner septin ring assembly|cytokinesis molecular_function cellular bud neck septin ring|cellular bud neck YCL035C GRX1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0002120215068403 0.990203786778534 2058 Glutathione-dependent disulfide oxidoreductase; hydroperoxide and superoxide-radical responsive, heat-stable, with active site cysteine pair; protects cells from oxidative damage; GRX1 has a paralog, GRX2, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress protein glutathionylation|cellular response to oxidative stress disulfide oxidoreductase activity|glutathione transferase activity|glutathione peroxidase activity nucleus|cytoplasm YNL157W IGO1 hom FT NUCLEUS 0.00021106285662797 0.99024953194218 2059 Protein required for initiation of G0 program; prevents degradation of nutrient-regulated mRNAs via the 5'-3' mRNA decay pathway; phosphorylated by Rim15p; GFP protein localizes to the cytoplasm and nucleus; similar to Igo2p mRNA stabilization molecular_function nucleus|cytoplasmic mRNA processing body|cytoplasm YCR102W-A_d YCR102W-A hom 0.00019927686194794 0.990792611676361 2060 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YFR004W RPN11 het FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|PEROXISOME ORGANIZATION|NUCLEUS|MITOCHONDRION 0.000198473960748857 0.990847498300813 2061 Metalloprotease subunit of the 19S regulatory particle of the 26S proteasome lid; couples the deubiquitination and degradation of proteasome substrates; involved, independent of catalytic activity, in fission of mitochondria and peroxisomes; protein abundance increases in response to DNA replication stress protein deubiquitination|proteasomal ubiquitin-dependent protein catabolic process|peroxisome fission|mitochondrial fission metallopeptidase activity|ubiquitin-specific protease activity cytosol|mitochondrion|proteasome storage granule|nucleus|proteasome regulatory particle, lid subcomplex YML025C YML6 het FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.000185980826873781 0.991408198360459 2062 Mitochondrial ribosomal protein of the large subunit, has similarity to E. coli L4 ribosomal protein and human mitoribosomal MRP-L4 protein; essential for viability, unlike most other mitoribosomal proteins mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YKL174C TPO5 hom FT ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.000185154591243914 0.991445091138935 2063 Protein involved in excretion of putrescine and spermidine; putative polyamine transporter in the Golgi or post-Golgi vesicles polyamine transport polyamine transmembrane transporter activity integral to membrane|Golgi apparatus YDR358W GGA1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|VACUOLAR TRANSPORT|GOLGI APPARATUS 0.000183775265626289 0.991508819280478 2064 Golgi-localized protein with homology to gamma-adaptin, interacts with and regulates Arf1p and Arf2p in a GTP-dependent manner in order to facilitate traffic through the late Golgi Golgi to vacuole transport|protein targeting to vacuole involved in ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|Golgi to endosome transport ubiquitin binding trans-Golgi network YKL144C RPC25 het FT NUCLEUS 0.0001823400520186 0.991575129638271 2065 RNA polymerase III subunit C25, required for transcription initiation; forms a heterodimer with Rpc17p; paralog of Rpb7p transcription initiation from RNA polymerase III promoter|tRNA transcription from RNA polymerase III promoter DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex YOL022C TSR4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS 0.0001822640458269 0.99157864131073 2066 Cytoplasmic protein required for correct processing of the 20S pre-rRNA at site D to generate mature 18S rRNA; essential gene in S288C background but not in CEN.PK2 maturation of SSU-rRNA molecular_function cytoplasm YLR449W FPR4 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.000181828771877906 0.9916000046938 2067 Peptidyl-prolyl cis-trans isomerase (PPIase) (proline isomerase) localized to the nucleus; catalyzes isomerization of proline residues in histones H3 and H4, which affects lysine methylation of those histones histone peptidyl-prolyl isomerization|negative regulation of histone H3-K36 methylation|regulation of transcription by chromatin organization|chromatin silencing at rDNA|nucleosome assembly peptidyl-prolyl cis-trans isomerase activity|macrolide binding chromatin|nucleus YDL176W YDL176W hom 0.000181708693951356 0.991610560946705 2068 Protein of unknown function, predicted by computational methods to be involved in fructose-1,6-bisphosphatase (Fbp1p) degradation; interacts with components of the GID complex; YDL176W is not an essential gene biological_process molecular_function cellular_component YER171W RAD3 het FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.000181420862832855 0.991617598443859 2069 5' to 3' DNA helicase; involved in nucleotide excision repair and transcription; subunit of RNA polII initiation factor TFIIH and of Nucleotide Excision Repair Factor 3 (NEF3); homolog of human XPD protein; mutant has aneuploidy tolerance; protein abundance increases in response to DNA replication stress regulation of transposition, RNA-mediated|phosphorylation of RNA polymerase II C-terminal domain|nucleotide-excision repair, DNA incision|regulation of mitotic recombination|transcription from RNA polymerase II promoter damaged DNA binding|ATP-dependent 5'-3' DNA helicase activity|core RNA polymerase binding transcription factor activity core TFIIH complex|holo TFIIH complex|nucleotide-excision repair factor 3 complex YGR054W YGR054W hom FT TRANSLATION 0.000178608623405314 0.991747530982669 2070 Eukaryotic initiation factor (eIF) 2A; associates specifically with both 40S subunits and 80 S ribosomes, and interacts genetically with both eIF5b and eIF4E; homologous to mammalian eIF2A translational initiation translation initiation factor activity cytosolic ribosome|cytosolic small ribosomal subunit|ribosome YMR139W RIM11 hom FT PROTEOLYSIS|PROTEIN PHOSPHORYLATION 0.000177463237201685 0.991800450770635 2071 Protein kinase; required for signal transduction during entry into meiosis; promotes the formation of the Ime1p-Ume6p complex by phosphorylating Ime1p and Ume6p; shares similarity with mammalian glycogen synthase kinase 3-beta; protein abundance increases in response to DNA replication stress proteolysis|ascospore formation|protein phosphorylation|response to stress protein serine/threonine kinase activity|protein kinase activity cytoplasm YOL075C_p YOL075C hom FT NUCLEOTIDE METABOLISM 0.000175955206087327 0.991870125740968 2072 Putative ABC transporter transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|membrane YKL152C GPM1 het FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00017263494239984 0.992023530800046 2073 Tetrameric phosphoglycerate mutase, mediates the conversion of 3-phosphoglycerate to 2-phosphoglycerate during glycolysis and the reverse reaction during gluconeogenesis gluconeogenesis|glycolysis phosphoglycerate mutase activity cytosol|mitochondrion YDR149C_d YDR149C hom 0.000171809794907986 0.992061654866146 2074 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; overlaps the verified gene NUM1; null mutation blocks anaerobic growth Unknown Unknown Unknown YLR223C IFH1 het FT TRANSCRIPTION FROM RNA POL II|RIBOSOME BIOGENESIS|GENE SILENCING|NUCLEUS|CHROMOSOME 0.000171001646869548 0.992098993528665 2075 Coactivator that regulates transcription of ribosomal protein (RP) genes; recruited to RP gene promoters during optimal growth conditions via Fhl1p; subunit of CURI, a complex that coordinates RP production and pre-rRNA processing positive regulation of ribosomal protein gene transcription from RNA polymerase II promoter|chromatin silencing at telomere transcription coactivator activity nuclear chromatin|nucleolus|nucleus|CURI complex YER065C ICL1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM 0.00016593744106132 0.992332974158709 2076 Isocitrate lyase, catalyzes the formation of succinate and glyoxylate from isocitrate, a key reaction of the glyoxylate cycle; expression of ICL1 is induced by growth on ethanol and repressed by growth on glucose glyoxylate cycle isocitrate lyase activity cellular_component YJL119C_d YJL119C hom 0.00016427086067003 0.992409975031041 2077 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOR079C ATX2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.000162426729658799 0.99249853685427 2078 Golgi membrane protein involved in manganese homeostasis; overproduction suppresses the sod1 (copper, zinc superoxide dismutase) null mutation cellular manganese ion homeostasis manganese ion transmembrane transporter activity integral to membrane|Golgi membrane YDL138W RGT2 hom FT SIGNALING|PLASMA MEMBRANE 0.000162125933793795 0.992509077009301 2079 Plasma membrane high glucose sensor that regulates glucose transport; contains 12 predicted transmembrane segments and a long C-terminal tail required for induction of hexose transporters; RGT2 has a paralog, SNF3, that arose from the whole genome duplication glucose transport|signal transduction|detection of glucose glucose transmembrane transporter activity|receptor activity|glucose binding integral to membrane|plasma membrane YDL230W PTP1 hom FT MITOCHONDRION 0.000159942794474625 0.992609944634283 2080 Phosphotyrosine-specific protein phosphatase that dephosphorylates a broad range of substrates in vivo, including Fpr3p; localized to the cytoplasm and the mitochondria; proposed to be a negative regulator of filamentation pseudohyphal growth|invasive growth in response to glucose limitation|protein dephosphorylation protein tyrosine phosphatase activity mitochondrion|cytoplasm YNL042W BOP3 hom FT NUCLEUS 0.000157480021595415 0.992728072996333 2081 Protein of unknown function, potential Cdc28p substrate; overproduction confers resistance to methylmercury cellular response to methylmercury molecular_function nucleus|cytoplasm YDR171W HSP42 hom FT CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.000157007601081229 0.992756383612892 2082 Small heat shock protein (sHSP) with chaperone activity; forms barrel-shaped oligomers that suppress unfolded protein aggregation; involved in cytoskeleton reorganization after heat shock; protein abundance increases and forms cytoplasmic foci in response to DNA replication stress cytoskeleton organization unfolded protein binding cytoskeleton|chaperonin-containing T-complex|cytoplasm YDR446W ECM11 hom FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|NUCLEUS 0.00015249937979825 0.992959108386284 2083 Non-essential protein apparently involved in meiosis, GFP fusion protein is present in discrete clusters in the nucleus throughout mitosis; may be involved in maintaining chromatin structure fungal-type cell wall organization|reciprocal meiotic recombination molecular_function nucleus YER067W RGI1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS|PLASMA MEMBRANE 0.000150843402643202 0.993030365250908 2084 Protein of unknown function; involved in energy metabolism under respiratory conditions; protein abundance is increased upon intracellular iron depletion; protein abundance increases in response to DNA replication stress energy reserve metabolic process molecular_function cell periphery|nucleus|cytoplasm YDR215C_d YDR215C hom 0.000150226408627368 0.993063013155253 2085 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; null mutant displays elevated sensitivity to expression of a mutant huntingtin fragment or of alpha-synuclein Unknown Unknown Unknown YOR234C RPL33B hom FT TRANSLATION|RIBOSOME 0.000148392952090448 0.993143584134531 2086 Ribosomal 60S subunit protein L33B; rpl33b null mutant exhibits normal growth while rpl33a rpl33b double null mutant is inviable; homologous to mammalian ribosomal protein L35A, no bacterial homolog; RPL33B has a paralog, RPL33A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YNL047C SLM2 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|SIGNALING|CYTOSKELETON ORGANIZATION|PLASMA MEMBRANE 0.00014377003089036 0.993379003524633 2087 Phosphoinositide PI4,5P(2) binding protein, forms a complex with Slm1p; acts downstream of Mss4p in a pathway regulating actin cytoskeleton organization in response to stress; phosphorylated by the TORC2 complex; SLM2 has a paralog, SLM1, that arose from the whole genome duplication eisosome assembly|TOR signaling cascade|regulation of cell growth|actin filament bundle assembly|endosomal transport|establishment or maintenance of actin cytoskeleton polarity|actin cytoskeleton organization phosphatidylinositol binding plasma membrane YDR133C_d YDR133C hom 0.00014328726835754 0.993389362171578 2088 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps YDR134C Unknown Unknown Unknown YPR159C-A_p YPR159C-A hom 0.000139659021099508 0.993547121609346 2089 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YDR013W PSF1 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00013925036117523 0.993566003136346 2090 Subunit of the GINS complex (Sld5p, Psf1p, Psf2p, Psf3p), which is localized to DNA replication origins and implicated in assembly of the DNA replication machinery double-strand break repair via break-induced replication|DNA-dependent DNA replication molecular_function GINS complex|replication fork protection complex|DNA replication preinitiation complex YLR269C_d YLR269C hom 0.000138102419057407 0.993619042122222 2091 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL078W NIS1 hom FT CELL CYCLE|NUCLEUS|SITE OF POLARIZED GROWTH 0.000136598147404184 0.993688544835527 2092 Protein localized in the bud neck at G2/M phase; physically interacts with septins; possibly involved in a mitotic signaling network regulation of mitosis molecular_function nucleus|cellular bud neck YIL155C GUT2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.000135669777422486 0.993731438862365 2093 Mitochondrial glycerol-3-phosphate dehydrogenase; expression is repressed by both glucose and cAMP and derepressed by non-fermentable carbon sources in a Snf1p, Rsf1p, Hap2/3/4/5 complex dependent manner NADH oxidation|replicative cell aging|glycerol metabolic process glycerol-3-phosphate dehydrogenase activity mitochondrion|integral to mitochondrial outer membrane YJR091C JSN1 hom FT PROTEIN LOCALIZATION|MITOCHONDRION 0.000130498639717395 0.993973061892454 2094 Member of the Puf family of RNA-binding proteins, interacts with mRNAs encoding membrane-associated proteins; involved in localizing the Arp2/3 complex to mitochondria; overexpression causes increased sensitivity to benomyl nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay|cellular protein complex localization|establishment of mitochondrion localization mRNA binding external side of mitochondrial outer membrane YER044C ERG28 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.000127779844929492 0.994095982793951 2095 Endoplasmic reticulum membrane protein, may facilitate protein-protein interactions between the Erg26p dehydrogenase and the Erg27p 3-ketoreductase and/or tether these enzymes to the ER, also interacts with Erg6p ergosterol biosynthetic process protein binding, bridging endoplasmic reticulum membrane YDL036C PUS9 hom FT RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.000126639461241367 0.994148672822881 2096 Mitochondrial tRNA:pseudouridine synthase, catalyzes the formation of pseudouridine at position 32 in mitochondrial tRNAs; contains an N-terminal mitochondrial targeting sequence tRNA pseudouridine synthesis pseudouridine synthase activity mitochondrion|nucleus|cytoplasm YBL087C RPL23A hom FT TRANSLATION|RIBOSOME 0.000126177276832432 0.994196162723786 2097 Ribosomal 60S subunit protein L23A; homologous to mammalian ribosomal protein L23 and bacterial L14; RPL23A has a paralog, RPL23B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YDR521W_d YDR521W hom 0.000122387699779077 0.994347650383359 2098 Dubious ORF that overlaps YDR520C; mutant increases expression of PIS1 and RPL3 in glycerol Unknown Unknown Unknown YHR180W_d YHR180W hom 0.00012059470124093 0.994427963961526 2099 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL092W_p YIL092W hom FT NUCLEUS 0.00011945712477953 0.994480524442447 2100 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and to the nucleus biological_process molecular_function nucleus|cytoplasm YPL189C-A COA2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.000115899462945573 0.994644902484613 2101 Cytochrome oxidase assembly factor; null mutation results in respiratory deficiency with specific loss of cytochrome oxidase activity; functions downstream of assembly factors Mss51p and Coa1p and interacts with assembly factor Shy1p mitochondrial respiratory chain complex IV assembly molecular_function mitochondrial matrix YNL188W KAR1 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.000112174259500865 0.994822434004818 2102 Essential protein involved in karyogamy during mating and in spindle pole body duplication during mitosis, localizes to the half-bridge of the spindle pole body, interacts with Spc72p during karyogamy, also interacts with Cdc31p karyogamy involved in conjugation with cellular fusion|spindle pole body duplication associated with nuclear envelope protein binding half bridge of spindle pole body YKL117W SBA1 hom FT NUCLEUS 0.000108116612717689 0.995005246582021 2103 Co-chaperone that binds to and regulates Hsp90 family chaperones; important for pp60v-src activity in yeast; homologous to the mammalian p23 proteins, and like p23 can regulate telomerase activity; protein abundance increases in response to DNA replication stress protein folding|positive regulation of telomere maintenance via telomerase|regulation of telomerase activity chaperone binding nucleus|cytoplasm YDR235W PRP42 het FT RNA PROCESSING|NUCLEUS 0.000107485164657846 0.995034417737645 2104 U1 snRNP protein involved in splicing, required for U1 snRNP biogenesis; contains multiple tetriatricopeptide repeats mRNA splicing, via spliceosome RNA binding U1 snRNP|U2-type prespliceosome YDR037W KRS1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.000107287018989047 0.995042832372271 2105 Lysyl-tRNA synthetase lysyl-tRNA aminoacylation lysine-tRNA ligase activity cytoplasm YJR146W_p YJR146W hom 0.000102206135911467 0.995277590389315 2106 Protein of unknown function; expressed at both mRNA and protein levels; partially overlaps HMS2 biological_process molecular_function cellular_component YDR097C MSH6 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.000100014937419971 0.995378833037843 2107 Protein required for mismatch repair in mitosis and meiosis, forms a complex with Msh2p to repair both single-base & insertion-deletion mispairs; also involved in interstrand cross-link repair; potentially phosphorylated by Cdc28p mismatch repair|meiotic mismatch repair guanine/thymine mispair binding|four-way junction DNA binding|ATPase activity|single base insertion or deletion binding|ATP binding MutSalpha complex|nucleus YDR421W ARO80 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 9.81036742097058e-05 0.995467141551829 2108 Zinc finger transcriptional activator of the Zn2Cys6 family; activates transcription of aromatic amino acid catabolic genes in the presence of aromatic amino acids aromatic amino acid family catabolic process|positive regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding|sequence-specific DNA binding RNA polymerase II transcription factor activity|nucleic acid binding transcription factor activity nucleus YDL012C YDL012C hom FT PLASMA MEMBRANE 9.78181650410486e-05 0.995480333298227 2109 Tail-anchored plasma membrane protein with a conserved CYSTM module; possibly involved in response to stress; may contribute to non-homologous end-joining (NHEJ) based on ydl012c htz1 double null phenotype; YDL012C has a paralog, YBR016W, that arose from the whole genome duplication biological_process molecular_function plasma membrane YML109W ZDS2 hom FT PROTEIN LOCALIZATION|CELL CYCLE|GENE SILENCING|NUCLEUS|SITE OF POLARIZED GROWTH 9.53475420061939e-05 0.995594486715059 2110 Protein with a role in regulating Swe1p-dependent polarized growth; involved in maintenance of Cdc55p in the cytoplasm where it promotes mitotic entry; interacts with silencing proteins at the telomere; implicated in the mitotic exit network through regulation of Cdc14p localization; ZDS2 has a paralog, ZDS1, that arose from the whole genome duplication positive regulation of G2/M transition of mitotic cell cycle|cell shape checkpoint|establishment of cell polarity|regulation of protein localization|chromatin silencing at rDNA|cell aging molecular_function nucleus|cellular bud neck|cellular bud tip|cytoplasm YMR034C_p YMR034C hom 9.32273148480679e-05 0.995692450406373 2111 Putative transporter, member of the SLC10 carrier family; identified in a transposon mutagenesis screen as a gene involved in azole resistance; YMR034C is not an essential gene biological_process sterol transporter activity integral to membrane YPL152W-A_p YPL152W-A hom 8.50287793328488e-05 0.996071258906276 2112 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YLL044W_d YLL044W hom 8.24926624800889e-05 0.996188438873488 2113 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; transcription of both YLL044W and the overlapping gene RPL8B is reduced in the gcr1 null mutant Unknown Unknown Unknown YPR025C CCL1 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|PROTEIN PHOSPHORYLATION|NUCLEUS|MITOCHONDRION|RNA POL II, HOLOENZYME 8.24011724063008e-05 0.996192666126569 2114 Cyclin associated with protein kinase Kin28p, which is the TFIIH-associated carboxy-terminal domain (CTD) kinase involved in transcription initiation at RNA polymerase II promoters phosphorylation of RNA polymerase II C-terminal domain|transcription from RNA polymerase II promoter core RNA polymerase binding transcription factor activity|cyclin-dependent protein kinase regulator activity mitochondrion|holo TFIIH complex|TFIIK complex YDL237W AIM6 hom 7.86762182029049e-05 0.996364775861087 2115 Putative protein of unknown function, required for respiratory growth; YDL237W is not an essential gene biological_process molecular_function cellular_component YKL130C SHE2 hom FT RNA LOCALIZATION|NUCLEUS|SITE OF POLARIZED GROWTH 7.86272218871525e-05 0.99636703971366 2116 RNA-binding protein that binds specific mRNAs and interacts with She3p; part of the mRNA localization machinery that restricts accumulation of certain proteins to the bud mating type switching|intracellular mRNA localization mRNA binding cellular bud tip|cytoplasm YDR327W_d YDR327W het 7.74800708810119e-05 0.996420043314536 2117 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data; partially overlaps the verified gene SKP1 Unknown Unknown Unknown YEL052W AFG1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|RESPONSE TO OXIDATIVE STRESS|PEROXISOME ORGANIZATION|MITOCHONDRION 7.38162429770922e-05 0.996589328954234 2118 Conserved protein that may act as a chaperone in the degradation of misfolded or unassembled cytochrome c oxidase subunits; localized to matrix face of the mitochondrial inner membrane; member of the AAA family but lacks a protease domain protein import into peroxisome matrix|cellular response to oxidative stress|misfolded or incompletely synthesized protein catabolic process molecular_function mitochondrion|mitochondrial inner membrane YOR364W_d YOR364W hom 7.30733851960674e-05 0.996623652407034 2119 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YOR365C Unknown Unknown Unknown YER089C PTC2 hom FT CELL CYCLE|SIGNALING|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 6.01943145407702e-05 0.99721872575982 2120 Type 2C protein phosphatase (PP2C); dephosphorylates Hog1p to limit maximal osmostress induced kinase activity; dephosphorylates Ire1p to downregulate the unfolded protein response; dephosphorylates Cdc28p; inactivates the DNA damage checkpoint; PTC2 has a paralog, PTC3, that arose from the whole genome duplication endoplasmic reticulum unfolded protein response|inactivation of MAPK activity involved in osmosensory signaling pathway|regulation of cyclin-dependent protein kinase activity|protein dephosphorylation|DNA damage checkpoint protein serine/threonine phosphatase activity nucleus|cytoplasm YGR025W_d YGR025W hom 5.59273028672354e-05 0.997417038145534 2121 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGL134W PCL10 hom FT CELL CYCLE|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY 5.54679223155543e-05 0.997437107610835 2122 Pho85p cyclin; recruits, activates, and targets Pho85p cyclin-dependent protein kinase to its substrate negative regulation of glycogen biosynthetic process|regulation of cyclin-dependent protein kinase activity cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex YDR497C ITR1 hom FT PLASMA MEMBRANE 5.54644665804574e-05 0.997437267282342 2123 Myo-inositol transporter; has strong similarity to the minor myo-inositol transporter Itr2p, member of the sugar transporter superfamily; expression is repressed by inositol and choline via Opi1p and derepressed via Ino2p and Ino4p; relative distribution to the vacuole increases upon DNA replication stress myo-inositol transport|transmembrane transport myo-inositol transmembrane transporter activity integral to membrane|plasma membrane|membrane YKL179C COY1 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 5.45707622286546e-05 0.997478560705686 2124 Golgi membrane protein with similarity to mammalian CASP; genetic interactions with GOS1 (encoding a Golgi snare protein) suggest a role in Golgi function Golgi vesicle transport molecular_function Golgi membrane YDR430C CYM1 hom FT PROTEOLYSIS|MITOCHONDRION 5.35128682743568e-05 0.997527440484117 2125 Lysine-specific metalloprotease of the mitochondrial intermembrane space, member of the pitrilysin family; degrades proteins and presequence peptides cleaved from imported proteins; required for normal mitochondrial morphology proteolysis|proteolysis involved in cellular protein catabolic process metalloendopeptidase activity mitochondrion|mitochondrial intermembrane space YOR310C NOP58 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 5.06731722516962e-05 0.997660044891595 2126 Protein involved in pre-rRNA processing, 18S rRNA synthesis, and snoRNA synthesis; component of the small subunit processome complex, which is required for processing of pre-18S rRNA endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function box C/D snoRNP complex|small-subunit processome|nucleolus|90S preribosome YDR447C RPS17B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 4.85067331769457e-05 0.997758748077065 2127 Ribosomal protein 51 (rp51) of the small (40s) subunit; homologous to mammalian ribosomal protein S17, no bacterial homolog; RPS17B has a paralog, RPS17A, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress cytoplasmic translation|ribosomal small subunit assembly structural constituent of ribosome cytosolic small ribosomal subunit YGL254W FZF1 hom FT TRANSCRIPTION FROM RNA POL II|ION HOMEOSTASIS|ION HOMEOSTASIS|NUCLEUS 4.59419462622105e-05 0.997877253680171 2128 Transcription factor involved in sulfite metabolism; sole identified regulatory target is SSU1; overexpression suppresses sulfite-sensitivity of many unrelated mutants due to hyperactivation of SSU1, contains five zinc fingers; protein abundance increases in response to DNA replication stress positive regulation of sulfite transport by positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus YCR083W TRX3 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 4.58326176359112e-05 0.997882305194367 2129 Mitochondrial thioredoxin, highly conserved oxidoreductase required to maintain the redox homeostasis of the cell, forms the mitochondrial thioredoxin system with Trr2p, redox state is maintained by both Trr2p and Glr1p cellular response to oxidative stress disulfide oxidoreductase activity mitochondrion YDL046W NPC2 hom 4.44550348664003e-05 0.997947488061105 2130 Functional homolog of human NPC2/He1, which is a cholesterol-binding protein whose deficiency causes Niemann-Pick type C2 disease involving retention of cholesterol in lysosomes intracellular sterol transport molecular_function fungal-type vacuole lumen|fungal-type vacuole YLR323C CWC24 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 4.33627620089185e-05 0.997996424557388 2131 Spliceosome assembly factor, essential for the first step of splicing; component of the pre-catalytic spliceosome complex containing Cef1p; has similarity to S. pombe Cwf24p generation of catalytic spliceosome for first transesterification step|snoRNA splicing molecular_function nucleus|U2-type spliceosomal complex YGR174W-A_p YGR174W-A hom 4.2378476408191e-05 0.998043948059989 2132 Putative protein of unknown function; predicted to have a role in cell budding based on computational guilt by association analysis biological_process molecular_function cellular_component YPR037C ERV2 hom FT OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 4.23622552858896e-05 0.998042652854218 2133 Flavin-linked sulfhydryl oxidase localized to the endoplasmic reticulum lumen, involved in disulfide bond formation within the ER protein thiol-disulfide exchange thiol oxidase activity integral to endoplasmic reticulum membrane YDL222C FMP45 hom FT CELL WALL ORG/BIOGENESIS|MITOCHONDRION|PLASMA MEMBRANE 4.03256246514336e-05 0.998138422735224 2134 Integral membrane protein localized to mitochondria (untagged protein); required for sporulation and maintaining sphingolipid content; has sequence similarity to SUR7 and YNL194C fungal-type cell wall organization|ascospore formation molecular_function cell cortex|mitochondrion|integral to membrane|plasma membrane YHR006W STP2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|PLASMA MEMBRANE 3.47588115719376e-05 0.998393969290591 2135 Transcription factor; activated by proteolytic processing in response to signals from the SPS sensor system for external amino acids; activates transcription of amino acid permease genes; STP2 has a paralog, STP1, that arose from the whole genome duplication positive regulation of transcription from RNA polymerase II promoter RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus|cytoplasm YGL152C_d YGL152C hom 3.17002918811241e-05 0.9985352880108 2136 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF PEX14/YGL153W Unknown Unknown Unknown YGL260W_p YGL260W hom 2.63021477842737e-05 0.998784890257461 2137 Putative protein of unknown function; transcription is significantly increased in a NAP1 deletion background; deletion mutant has increased accumulation of nickel and selenium biological_process molecular_function cellular_component YOR174W MED4 het FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 2.51175658696288e-05 0.99883944262425 2138 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; essential for transcriptional regulation transcription from RNA polymerase II promoter molecular_function core mediator complex YGL091C NBP35 het FT RNA PROCESSING|COFACTOR METABOLISM|NUCLEUS 2.45765584233798e-05 0.99886443986152 2139 Essential iron-sulfur cluster binding protein localized in the cytoplasm; forms a complex with Cfd1p that is involved in iron-sulfur protein assembly in the cytosol; similar to P-loop NTPases iron-sulfur cluster assembly|tRNA wobble uridine modification 4 iron, 4 sulfur cluster binding|ATPase activity|iron ion binding mitochondrion|nucleus|cytoplasm YGR199W PMT6 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 2.40299243871309e-05 0.998890359449115 2140 Protein O-mannosyltransferase, transfers mannose from dolichyl phosphate-D-mannose to protein serine/threonine residues of secretory proteins; reaction is essential for cell wall rigidity; member of a family of mannosyltransferases protein O-linked glycosylation|protein O-linked mannosylation dolichyl-phosphate-mannose-protein mannosyltransferase activity integral to membrane YPL233W NSL1 het FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 2.19513523807038e-05 0.998985737464912 2141 Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; required for accurate chromosome segregation chromosome segregation molecular_function nuclear MIS12/MIND type complex|kinetochore|spindle pole YGR003W CUL3 hom FT PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 1.73724058287821e-05 0.999197427360496 2142 Ubiquitin-protein ligase, forms a complex with Elc1p that polyubiquitylates monoubiquitylated RNA polymerase II to trigger its proteolysis; cullin family member with similarity to Cdc53p and human CUL3 protein ubiquitination involved in ubiquitin-dependent protein catabolic process|ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity nucleus|Cul3-RING ubiquitin ligase complex|cytoplasm YLR042C_p YLR042C hom 1.58836946304873e-05 0.999266093579599 2143 Protein of unknown function; localizes to the cytoplasm; YLL042C is not an essential gene biological_process molecular_function fungal-type cell wall YKL097C_d YKL097C hom 1.46398196773542e-05 0.999323667694034 2144 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species Unknown Unknown Unknown YJR106W ECM27 hom FT CELL WALL ORG/BIOGENESIS 1.44122452026942e-05 0.999334081912544 2145 Putative protein of unknown function; may play a role in cell wall biosynthesis, mutants are hypersensitive to Papulacandin B; null mutants have increased plasmid loss; displays a two-hybrid interaction with Pdr5p fungal-type cell wall organization molecular_function integral to membrane YHL040C ARN1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 1.31188084971627e-05 0.999393845170196 2146 ARN family transporter for siderophore-iron chelates; responsible for uptake of iron bound to ferrirubin, ferrirhodin, and related siderophores; protein increases in abundance and relocalizes to the vacuole upon DNA replication stress siderophore transport siderophore transmembrane transporter activity endosome|integral to membrane|plasma membrane|cytoplasmic membrane-bounded vesicle YKR063C LAS1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 1.12075880961774e-05 0.999482230352284 2147 Protein required for pre-rRNA processing at both ends of ITS2; may coordinate the action of the Rat1p-Rai1p exoRNAse; required for the G1/S transition of the cell cycle; human ortholog is Las1L; mutants require the SSD1-v allele for viability maturation of LSU-rRNA|maturation of 5.8S rRNA molecular_function mitochondrion|nucleus|preribosome|cytoplasm YKL201C MNN4 hom FT CARBOHYDRATE METABOLISM 7.22545065545617e-06 0.999666147874129 2148 Putative positive regulator of mannosylphosphate transferase Mnn6p; involved in mannosylphosphorylation of N-linked oligosaccharides; expression increases in late-logarithmic and stationary growth phases; MNN4 has a paralog, YJR061W, that arose from the whole genome duplication protein O-linked glycosylation|protein N-linked glycosylation|response to stress molecular_function membrane YDR461W MFA1 hom FT SIGNALING|PLASMA MEMBRANE 6.94380671705544e-06 0.999679592055389 2149 Mating pheromone a-factor, made by a cells; interacts with alpha cells to induce cell cycle arrest and other responses leading to mating; biogenesis involves C-terminal modification, N-terminal proteolysis, and export; also encoded by MFA2 pheromone-dependent signal transduction involved in conjugation with cellular fusion mating pheromone activity extracellular region YLR401C DUS3 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS|NUCLEUS 2.92851652956641e-06 0.999864687818173 2150 Dihydrouridine synthase; member of a widespread family of conserved proteins including Smm1p, Dus1p, and Dus4p; contains a consensus oleate response element (ORE) in its promoter region; forms nuclear foci upon DNA replication stress tRNA modification tRNA dihydrouridine synthase activity nucleus|cytoplasm YPL012W RRP12 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|RIBOSOME -3.02831401615345e-06 0.999860076672776 2151 Protein required for export of the ribosomal subunits; associates with the RNA components of the pre-ribosomes; has a role in nuclear import in association with Pse1p; contains HEAT-repeats maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosome biogenesis molecular_function ribosome|nucleus|90S preribosome YLR400W_d YLR400W hom -3.23767530639927e-06 0.99985040312907 2152 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YER030W CHZ1 hom FT CHROMATIN ORGANIZATION|NUCLEUS -7.66817916893737e-06 0.999645691593541 2153 Histone chaperone for Htz1p/H2A-H2B dimer; required for the stabilization of the Chz1p-Htz1-H2B complex; has overlapping function with Nap1p; null mutant displays weak sensitivity to MMS and benomyl; contains a highly conserved CHZ motif; protein abundance increases in response to DNA replication stress chromatin remodeling histone binding chromatin assembly complex|nucleus YGL243W TAD1 hom FT RNA PROCESSING|NUCLEUS -9.95299912390119e-06 0.999540121441862 2154 tRNA-specific adenosine deaminase, deaminates adenosine-37 to inosine in tRNA-Ala tRNA modification tRNA-specific adenosine-37 deaminase activity nucleus YBL065W_d YBL065W hom -1.01407892890413e-05 0.999533825906981 2155 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified ORF SEF1/YBL066C; YBL065W is a non-essential gene Unknown Unknown Unknown YOR266W PNT1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION -1.04047982593589e-05 0.999519246054674 2156 Mitochondrial integral inner membrane protein involved in membrane insertion of C-terminus of Cox2p, interacts genetically and physically with Cox18p; deletion mutant sensitive to the anti-Pneumocystis carinii drug pentamidine protein insertion into mitochondrial membrane from inner side molecular_function mitochondrion|integral to mitochondrial inner membrane YDR315C IPK1 hom FT NUCLEUS -1.32824415141244e-05 0.999386284504597 2157 Inositol 1,3,4,5,6-pentakisphosphate 2-kinase, nuclear protein required for synthesis of 1,2,3,4,5,6-hexakisphosphate (phytate), which is integral to cell function; has 2 motifs conserved in other fungi; ipk1 gle1 double mutant is inviable nuclear-transcribed mRNA catabolic process, non-stop decay|inositol phosphate biosynthetic process inositol pentakisphosphate 2-kinase activity nucleus YLL054C_p YLL054C hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS -2.12406165730773e-05 0.999018577005731 2158 Putative protein of unknown function with similarity to Pip2p, an oleate-specific transcriptional activator of peroxisome proliferation; YLL054C is not an essential gene biological_process sequence-specific DNA binding|sequence-specific DNA binding RNA polymerase II transcription factor activity cellular_component YJL007C_d YJL007C hom -2.24122433704406e-05 0.99896505978454 2159 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YKR076W ECM4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|CELL WALL ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS -2.31106196533371e-05 0.998932173535988 2160 Omega class glutathione transferase; not essential; similar to Ygr154cp; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm fungal-type cell wall organization|glutathione metabolic process glutathione transferase activity cytoplasm YLR179C YLR179C hom FT NUCLEUS -2.39216711137942e-05 0.998894698916883 2161 Protein of unknown function with similarity to Tfs1p; transcription is activated by paralogous proteins Yrm1p and Yrr1p along with proteins involved in multidrug resistance; GFP-tagged protein localizes to the cytoplasm and nucleus biological_process molecular_function nucleus|cytoplasm YPR177C_d YPR177C het -2.70691093963555e-05 0.998749458102541 2162 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the 5' end of the essential PRP4 gene encoding a component of the U4/U6-U5 snRNP complex Unknown Unknown Unknown YJL208C NUC1 hom FT NUCLEUS|MITOCHONDRION -3.12571703947949e-05 0.998555762416606 2163 Major mitochondrial nuclease, has RNAse and DNA endo- and exonucleolytic activities; has roles in mitochondrial recombination, apoptosis and maintenance of polyploidy DNA catabolic process|RNA catabolic process|apoptotic process|DNA recombination ribonuclease activity|endodeoxyribonuclease activity|exodeoxyribonuclease activity mitochondrion|mitochondrial inner membrane|nucleus YCR089W FIG2 hom FT CELL WALL ORG/BIOGENESIS -3.15424272423618e-05 0.998543016798696 2164 Cell wall adhesin, expressed specifically during mating; may be involved in maintenance of cell wall integrity during mating filamentous growth of a population of unicellular organisms|cell morphogenesis involved in conjugation with cellular fusion|invasive growth in response to glucose limitation|cytogamy molecular_function fungal-type cell wall|mating projection YIL143C SSL2 het FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|RNA LOCALIZATION|NUCLEUS|RNA POL II, HOLOENZYME -3.17294626940783e-05 0.9985339401749 2165 Component of RNA polymerase transcription factor TFIIH holoenzyme; has DNA-dependent ATPase/helicase activity and is required, with Rad3p, for unwinding promoter DNA; interacts functionally with TFIIB and has roles in transcription start site selection and in gene looping to juxtapose initiation and termination regions; involved in DNA repair; homolog of human ERCC3 poly(A)+ mRNA export from nucleus|promoter clearance from RNA polymerase II promoter|transcriptional open complex formation at RNA polymerase II promoter|nucleotide-excision repair, DNA incision|transcription from RNA polymerase II promoter|phosphorylation of RNA polymerase II C-terminal domain|regulation of transposition, RNA-mediated|regulation of mitotic recombination ATP-dependent DNA helicase activity|core RNA polymerase binding transcription factor activity core TFIIH complex|holo TFIIH complex|nucleotide-excision repair factor 3 complex YJR128W_d YJR128W hom -3.25402026311488e-05 0.998496479979841 2166 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF RSF2 Unknown Unknown Unknown YPL026C SKS1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN PHOSPHORYLATION|NUCLEUS -3.47626726586793e-05 0.998393790889338 2167 Putative serine/threonine protein kinase; involved in the adaptation to low concentrations of glucose independent of the SNF3 regulated pathway glucose transport|protein phosphorylation|response to glucose stimulus|positive regulation of transcription from RNA polymerase II promoter protein serine/threonine kinase activity|protein kinase activity nucleus|cytoplasm YDR336W_p YDR336W hom -3.65876394611911e-05 0.998310981434221 2168 Putative protein of unknown function; sumoylated under stress conditions in a genome wide study; YDR336W is not an essential gene biological_process molecular_function cellular_component YOR319W HSH49 het FF|FT RNA PROCESSING|NUCLEUS -3.78582658134506e-05 0.998250759243298 2169 U2-snRNP associated splicing factor with similarity to the mammalian splicing factor SAP49; proposed to function as a U2-snRNP assembly factor along with Hsh155p and binding partner Cus1p; contains two RNA recognition motifs (RRM) mRNA splicing, via spliceosome RNA binding U2 snRNP|U2-type prespliceosome YMR104C YPK2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL WALL ORG/BIOGENESIS|PROTEIN PHOSPHORYLATION|NUCLEUS -3.79960138778054e-05 0.998245965849369 2170 Protein kinase with similarity to serine/threonine protein kinase Ypk1p; functionally redundant with YPK1 at the genetic level; participates in a signaling pathway required for optimal cell wall integrity; homolog of mammalian kinase SGK; YPK2 has a paralog, YPK1, that arose from the whole genome duplication eisosome assembly|protein phosphorylation protein kinase activity nucleus|cytoplasm YML005W TRM12 hom FT RNA PROCESSING -4.14297302174266e-05 0.998085740072518 2171 S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family; required for wybutosine formation in phenylalanine-accepting tRNA wybutosine biosynthetic process|tRNA methylation S-adenosylmethionine-dependent methyltransferase activity|transferase activity, transferring alkyl or aryl (other than methyl) groups cytoplasm YNL180C RHO5 hom FT SIGNALING|NUCLEUS|PLASMA MEMBRANE -4.28047057954773e-05 0.998023094328726 2172 Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins, likely involved in protein kinase C (Pkc1p)-dependent signal transduction pathway that controls cell integrity Rho protein signal transduction GTPase activity endomembrane system|fungal-type vacuole membrane|plasma membrane|nucleus|cytoplasm YPL019C VTC3 hom FT MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM -4.41425782540634e-05 0.997960393243088 2173 Subunit of the vacuolar transporter chaperone (VTC) complex involved in membrane trafficking, vacuolar polyphosphate accumulation, microautophagy and non-autophagic vacuolar fusion polyphosphate metabolic process|vacuolar transport|microautophagy|vacuole fusion, non-autophagic molecular_function fungal-type vacuole membrane|integral to membrane|vacuolar transporter chaperone complex|endoplasmic reticulum YJL124C LSM1 hom FF|FT RNA PROCESSING|NUCLEUS -4.57846741657965e-05 0.997887361039494 2174 Lsm (Like Sm) protein; forms heteroheptameric complex (with Lsm2p, Lsm3p, Lsm4p, Lsm5p, Lsm6p, and Lsm7p) involved in degradation of cytoplasmic mRNAs; unlike most Sm-like proteins, Lsm1p requires both its SM-domain and C-terminal domain for RNA-binding; forms cytoplasmic foci upon DNA replication stress deadenylation-dependent decapping of nuclear-transcribed mRNA|nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay RNA binding|RNA cap binding mRNA cap binding complex|cytoplasmic mRNA processing body|cytoplasm YML074C FPR3 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS -4.84750838054056e-05 0.997760544403403 2175 Nucleolar peptidyl-prolyl cis-trans isomerase (PPIase); FK506 binding protein; phosphorylated by casein kinase II (Cka1p-Cka2p-Ckb1p-Ckb2p) and dephosphorylated by Ptp1p meiotic recombination checkpoint peptidyl-prolyl cis-trans isomerase activity|macrolide binding nucleolus YOR353C SOG2 het FT CELL CYCLE|SIGNALING|CELL DIVISION|SITE OF POLARIZED GROWTH -4.94143267467014e-05 0.997716812861035 2176 Key component of the RAM signaling network, required for proper cell morphogenesis and cell separation after mitosis signal transduction|cytokinetic cell separation|budding cell apical bud growth molecular_function incipient cellular bud site|cellular bud|mating projection tip|cytoplasm YML104C MDM1 hom FT MITOCHONDRION ORGANIZATION|CYTOSKELETON -5.3671543350907e-05 0.997521218418038 2177 Intermediate filament protein, required for nuclear and mitochondrial transmission to daughter buds; contains a Phox homology (PX) domain and specifically binds phosphatidylinositol 3-phosphate (PtdIns-3-P) nuclear migration|mitochondrion inheritance|mitochondrion organization structural constituent of cytoskeleton|phosphatidylinositol-3-phosphate binding intermediate filament|integral to membrane|cytoplasm YLR226W BUR2 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION|NUCLEUS -5.76311680732028e-05 0.997337155320066 2178 Cyclin for the Sgv1p (Bur1p) protein kinase; Sgv1p and Bur2p comprise a CDK-cyclin complex involved in transcriptional regulation through its phosphorylation of the carboxy-terminal domain of the largest subunit of RNA polymerase II phosphorylation of RNA polymerase II C-terminal domain|positive regulation of histone ubiquitination|transcription, DNA-dependent|positive regulation of histone H3-K4 methylation|mitotic sister chromatid segregation cyclin-dependent protein kinase regulator activity cyclin-dependent protein kinase holoenzyme complex|nucleus YEL004W YEA4 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM -5.79560474776321e-05 0.997323342394665 2179 Uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc) transporter required for cell wall chitin synthesis; localized to the ER fungal-type cell wall chitin biosynthetic process|UDP-N-acetylglucosamine transport|UDP-glucose transport|transmembrane transport UDP-N-acetylglucosamine transmembrane transporter activity integral to membrane|endoplasmic reticulum YBR104W YMC2 hom FT MITOCHONDRION -6.04591120237861e-05 0.997206490859852 2180 Putative mitochondrial inner membrane transporter; proposed role in oleate metabolism and glutamate biosynthesis; member of the mitochondrial carrier (MCF) family; YMC2 has a paralog, YMC1, that arose from the whole genome duplication mitochondrial transport|transmembrane transport organic acid transmembrane transporter activity mitochondrion|integral to membrane YKL074C MUD2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS -6.42345960074717e-05 0.997032045660944 2181 Protein involved in early pre-mRNA splicing; component of the pre-mRNA-U1 snRNP complex, the commitment complex; interacts with Msl5p/BBP splicing factor and Sub2p; similar to metazoan splicing factor U2AF65 mRNA branch site recognition pre-mRNA branch point binding commitment complex YNL039W BDP1 het FT NUCLEUS -6.64937560776732e-05 0.996928119969853 2182 Essential subunit of RNA polymerase III transcription factor (TFIIIB), which is involved in transcription of genes encoding tRNAs, 5S rRNA, U6 snRNA, and other small RNAs DNA-dependent transcriptional open complex formation|positive regulation of transposon integration|RNA polymerase III transcriptional preinitiation complex assembly TFIIIC-class transcription factor binding|TFIIIB-type transcription factor activity transcription factor TFIIIB complex YDR252W BTT1 hom FT PROTEIN LOCALIZATION|NUCLEUS -6.81902745518548e-05 0.996849274774193 2183 Beta3 subunit of the heterotrimeric nascent polypeptide-associated complex which binds ribosomes via its beta-subunits in close proximity to nascent polypeptides; interacts with Caf130p of the CCR4-NOT complex; similar to human BTF3 'de novo' cotranslational protein folding unfolded protein binding nascent polypeptide-associated complex|CCR4-NOT complex YMR059W SEN15 het FT RNA PROCESSING|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION -6.83182639875059e-05 0.996843361065161 2184 Subunit of the tRNA splicing endonuclease, which is composed of Sen2p, Sen15p, Sen34p, and Sen54p tRNA-type intron splice site recognition and cleavage tRNA-intron endonuclease activity tRNA-intron endonuclease complex YGR011W_d YGR011W hom -6.89860367316112e-05 0.996812506851864 2185 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGR131W FHN1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|PLASMA MEMBRANE -7.11149215436609e-05 0.996714142482749 2186 Protein of unknown function; induced by ketoconazole; promoter region contains sterol regulatory element motif, which has been identified as a Upc2p-binding site; overexpression complements function of Nce102p in NCE102 deletion strain establishment of protein localization to plasma membrane molecular_function integral to membrane|membrane raft YDL091C UBX3 hom -7.1926393049697e-05 0.996676648742132 2187 Subunit of the DSC ubiquitin ligase complex; UBX (ubiquitin regulatory X) domain-containing protein that interacts with Cdc48p; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern; ortholog of fission yeast Ucp10 biological_process molecular_function cytoplasm YDR022C ATG31 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|CHROMOSOME SEGREGATION|CYTOSKELETON -7.60645024008804e-05 0.996485449046886 2188 Autophagy-specific protein required for autophagosome formation; may form a complex with Atg17p and Atg29p that localizes other proteins to the pre-autophagosomal structure; high-copy suppressor of CIK1 deletion autophagy|mitochondrion degradation|piecemeal microautophagy of nucleus molecular_function pre-autophagosomal structure|cytoplasm YJL137C GLG2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY -7.84694527010126e-05 0.996377574277855 2189 Glycogenin glucosyltransferase; self-glucosylating initiator of glycogen synthesis, also glucosylates n-dodecyl-beta-D-maltoside; similar to mammalian glycogenin; GLG2 has a paralog, GLG1, that arose from the whole genome duplication glycogen biosynthetic process glycogenin glucosyltransferase activity cytoplasm YJR022W LSM8 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS -7.90694360894007e-05 0.996346607407837 2190 Lsm (Like Sm) protein; forms heteroheptameric complex (with Lsm2p, Lsm3p, Lsm4p, Lsm5p, Lsm6p, and Lsm7p) that is part of spliceosomal U6 snRNP and is also implicated in processing of pre-tRNA, pre-snoRNA, and pre-rRNA mRNA splicing, via spliceosome RNA binding U6 snRNP|nucleolus|nucleus|U4/U6 x U5 tri-snRNP complex YNR073C_p YNR073C hom -8.2044756394645e-05 0.996210830148733 2191 Putative mannitol dehydrogenase; identical in amino acid sequence to Dsf1p biological_process mannitol dehydrogenase activity cellular_component YKR071C DRE2 het FT COFACTOR METABOLISM|MITOCHONDRION -8.21529974733352e-05 0.996204132925706 2192 Component of the cytosolic Fe-S protein assembly (CIA) machinery; contains an Fe-S cluster that receives electrons from NADPH via the action of Tah18pin an early step in the CIA pathway; ortholog of human Ciapin1; protein abundance increases in response to DNA replication stress iron-sulfur cluster assembly electron carrier activity cytosol|cytoplasm|mitochondrial intermembrane space YML113W DAT1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS -8.28561099371244e-05 0.996171645966649 2193 DNA binding protein that recognizes oligo(dA).oligo(dT) tracts; Arg side chain in its N-terminal pentad Gly-Arg-Lys-Pro-Gly repeat is required for DNA-binding; not essential for viability negative regulation of transcription from RNA polymerase II promoter AT DNA binding nucleus YML070W DAK1 hom FT CARBOHYDRATE METABOLISM -8.28883138945371e-05 0.996170157999085 2194 Dihydroxyacetone kinase, required for detoxification of dihydroxyacetone (DHA); involved in stress adaptation response to stress|glycerol catabolic process glycerone kinase activity cytoplasm YER159C BUR6 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS -8.43247174712287e-05 0.996103789711985 2195 Subunit of a heterodimeric NC2 transcription regulator complex with Ncb2p; complex binds to TBP and can repress transcription by preventing preinitiation complex assembly or stimulate activated transcription; homologous to human NC2alpha negative regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter transcription coactivator activity|transcription corepressor activity nucleus|negative cofactor 2 complex YNL013C_d YNL013C hom -8.68216906321674e-05 0.99598901657631 2196 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF HEF3/YNL014W Unknown Unknown Unknown YDR156W RPA14 hom FT NUCLEUS -8.99161802529148e-05 0.995845439316187 2197 RNA polymerase I subunit A14 transcription of nuclear large rRNA transcript from RNA polymerase I promoter|regulation of cell size molecular_function DNA-directed RNA polymerase I complex YLR117C CLF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|NUCLEUS|CHROMOSOME -9.09631489573167e-05 0.995797064763106 2198 Member of the NineTeen Complex (NTC) that contains Prp19p and stabilizes U6 snRNA in catalytic forms of the spliceosome containing U2, U5, and U6 snRNAs; homolog of Drosophila crooked neck protein; interacts with U1 snRNP proteins cis assembly of pre-catalytic spliceosome|DNA replication initiation DNA replication origin binding|chromatin binding|first spliceosomal transesterification activity|second spliceosomal transesterification activity chromatin|U2-type post-mRNA release spliceosomal complex|Prp19 complex|U2-type prespliceosome|U2-type catalytic step 2 spliceosome|U2-type catalytic step 1 spliceosome YDL174C DLD1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION -9.09684935916201e-05 0.995796817817564 2199 D-lactate dehydrogenase, oxidizes D-lactate to pyruvate, transcription is heme-dependent, repressed by glucose, and derepressed in ethanol or lactate; located in the mitochondrial inner membrane cellular carbohydrate metabolic process|aerobic respiration D-lactate dehydrogenase (cytochrome) activity mitochondrion|mitochondrial inner membrane YOR261C RPN8 het FT PROTEOLYSIS -9.09801609555978e-05 0.995796278734185 2200 Essential, non-ATPase regulatory subunit of the 26S proteasome; has similarity to the human p40 proteasomal subunit and to another S. cerevisiae regulatory subunit, Rpn11p ubiquitin-dependent protein catabolic process molecular_function proteasome storage granule|proteasome regulatory particle, lid subcomplex YBR066C NRG2 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS -9.14126124907885e-05 0.995776297578263 2201 Transcriptional repressor; mediates glucose repression and negatively regulates filamentous growth; NRG2 has a paralog, NRG1, that arose from the whole genome duplication negative regulation of transcription from RNA polymerase II promoter by glucose|biofilm formation|pseudohyphal growth|Unknown sequence-specific DNA binding nucleus YDR365C ESF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS -9.20199809821345e-05 0.995752039741053 2202 Nucleolar protein involved in pre-rRNA processing; depletion causes severely decreased 18S rRNA levels rRNA processing RNA binding nucleolus|nucleus YLL045C RPL8B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME -9.35268001920203e-05 0.995678612880476 2203 Ribosomal 60S subunit protein L8B; mutation results in decreased amounts of free 60S subunits; homologous to mammalian ribosomal protein L7A, no bacterial homolog; RPL8B has a paralog, RPL8A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YML010W SPT5 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RESPONSE TO DNA DAMAGE|RNA LOCALIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME -9.47679353140342e-05 0.995621267051784 2204 Component of the universally conserved Spt4/5 complex (DSIF complex); the complex has multiple roles in concert with RNA polymerases I and II, including regulation of transcription elongation, RNA processing, quality control, and transcription-coupled DNA repair 7-methylguanosine mRNA capping|intracellular mRNA localization|mRNA splicing, via spliceosome|positive regulation of transcription elongation from RNA polymerase II promoter|Unknown|regulation of transcription-coupled nucleotide-excision repair core RNA polymerase I binding transcription factor activity|core RNA polymerase II binding transcription factor activity|rRNA binding|RNA polymerase II core binding|RNA polymerase I transcription factor binding|RNA polymerase I core binding DSIF complex|mitochondrion|rDNA heterochromatin|nucleus YBR064W_d YBR064W hom -9.72436085002349e-05 0.995506880274919 2205 Dubious open reading frame unlikely to encode a protein; partially overlaps the uncharacterized ORF YBR063C Unknown Unknown Unknown YGR207C CIR1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION -9.89136851576302e-05 0.995429715583594 2206 Mitochondrial protein that interacts with frataxin (Yfh1p); putative ortholog of mammalian electron transfer flavoprotein complex subunit ETF-beta; may have a role in oxidative stress response biological_process molecular_function mitochondrion YLR216C CPR6 hom -0.000101302707281273 0.995319332608315 2207 Peptidyl-prolyl cis-trans isomerase (cyclophilin); catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; binds to Hsp82p and contributes to chaperone activity; protein abundance increases in response to DNA replication stress protein folding|protein refolding unfolded protein binding|peptidyl-prolyl cis-trans isomerase activity cytoplasm YDR374C_p YDR374C hom -0.000101868252537362 0.995298819505781 2208 Putative protein of unknown function biological_process molecular_function cellular_component YER095W RAD51 hom FF|FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME -0.000102160705679055 0.995279689457652 2209 Strand exchange protein, forms a helical filament with DNA that searches for homology; involved in the recombinational repair of double-strand breaks in DNA during vegetative growth and meiosis; homolog of Dmc1p and bacterial RecA protein strand invasion|telomere maintenance via recombination|heteroduplex formation|meiotic joint molecule formation|reciprocal meiotic recombination|double-strand break repair via single-strand annealing recombinase activity|single-stranded DNA binding|DNA-dependent ATPase activity condensed nuclear chromosome|nuclear chromosome YKL215C OXP1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM -0.0001056169376454 0.995119997058633 2210 5-oxoprolinase; enzyme is ATP-dependent and functions as a dimer; similar to mouse Oplah gene; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; protein abundance increases in response to DNA replication stress glutathione metabolic process 5-oxoprolinase (ATP-hydrolyzing) activity cytoplasm YKR039W GAP1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|PLASMA MEMBRANE -0.000105846998222207 0.995109367302859 2211 General amino acid permease; Gap1p senses the presence of amino acid substrates to regulate localization to the plasma membrane when needed; essential for invasive growth amino acid transport|gamma-aminobutyric acid transport|ammonia assimilation cycle|polyamine transport amino acid transmembrane transporter activity|polyamine transmembrane transporter activity|L-proline transmembrane transporter activity endosome|fungal-type vacuole lumen|integral to membrane|plasma membrane|ER to Golgi transport vesicle|integral to plasma membrane|multivesicular body YER011W TIR1 hom -0.000109268727914218 0.994951269259046 2212 Cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; expression is downregulated at acidic pH and induced by cold shock and anaerobiosis; abundance is increased in cells cultured without shaking response to stress structural constituent of cell wall fungal-type cell wall YBR276C PPS1 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|NUCLEUS -0.000110136627874312 0.994911168727644 2213 Protein phosphatase with specificity for serine, threonine, and tyrosine residues; has a role in the DNA synthesis phase of the cell cycle inactivation of MAPK activity|protein dephosphorylation|regulation of S phase of mitotic cell cycle protein tyrosine/serine/threonine phosphatase activity cellular_component YML081C-A ATP18 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION -0.00011021876488818 0.994907373661993 2214 Subunit of the mitochondrial F1F0 ATP synthase, which is a large enzyme complex required for ATP synthesis; termed subunit I or subunit j; does not correspond to known ATP synthase subunits in other organisms mitochondrial proton-transporting ATP synthase complex assembly|ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism|proton-transporting ATPase activity, rotational mechanism mitochondrion|mitochondrial proton-transporting ATP synthase complex|mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) YHL042W_p YHL042W hom -0.000112311048392633 0.994810701654105 2215 Putative protein of unknown function; member of the DUP380 subfamily of conserved, often subtelomerically-encoded proteins biological_process molecular_function cellular_component YKL101W HSL1 hom FT CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|CYTOSKELETON -0.000114911022594908 0.994690572377302 2216 Nim1p-related protein kinase that regulates the morphogenesis and septin checkpoints; associates with the assembled septin filament; required along with Hsl7p for bud neck recruitment, phosphorylation, and degradation of Swe1p G2/M transition of mitotic cell cycle|regulation of cell cycle|cell shape checkpoint|protein autophosphorylation|protein phosphorylation|septin checkpoint protein kinase activity cellular bud neck|septin ring YAL059W ECM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|CELL WALL ORG/BIOGENESIS|NUCLEUS -0.000116771038708548 0.994604632217255 2217 Pre-ribosomal factor involved in 60S ribosomal protein subunit export; associates with the pre-60S particle; shuttles between the nucleus and cytoplasm fungal-type cell wall organization|ribosomal large subunit export from nucleus molecular_function nucleolus|nucleus|preribosome, large subunit precursor YLL050C COF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON -0.000118579087431044 0.994521910159688 2218 Cofilin, involved in pH-dependent actin filament depolarization; binds both actin monomers and filaments and severs filaments; involved in the selective sorting, export of the secretory cargo from the late golgi; genetically interacts with pmr1; thought to be regulated by phosphorylation at SER4; ubiquitous and essential in eukaryotes actin filament depolymerization|actin filament severing actin filament binding plasma membrane|actin cortical patch YFL017W-A SMX2 het FT RNA PROCESSING|NUCLEUS -0.000120046691414964 0.994453284155432 2219 Core Sm protein Sm G; part of heteroheptameric complex (with Smb1p, Smd1p, Smd2p, Smd3p, Sme1p, and Smx3p) that is part of the spliceosomal U1, U2, U4, and U5 snRNPs; homolog of human Sm G mRNA splicing, via spliceosome molecular_function U1 snRNP|U2-type prespliceosome|U4/U6 x U5 tri-snRNP complex|U5 snRNP YER018C SPC25 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE -0.000120478154147058 0.994433348891904 2220 Component of the evolutionarily conserved kinetochore-associated Ndc80 complex (Ndc80p-Nuf2p-Spc24p-Spc25p); involved in chromosome segregation, spindle checkpoint activity and kinetochore clustering microtubule nucleation|chromosome segregation structural constituent of cytoskeleton Ndc80 complex|condensed nuclear chromosome kinetochore|condensed nuclear chromosome, centromeric region YIR014W_p YIR014W hom -0.000120765621089011 0.994420066798259 2221 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the vacuole; expression directly regulated by the metabolic and meiotic transcriptional regulator Ume6p; YIR014W is a non-essential gene biological_process molecular_function fungal-type vacuole YLR250W SSP120 hom -0.000120796563657418 0.994418637131036 2222 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern biological_process molecular_function cytoplasm YGR194C XKS1 hom FT CARBOHYDRATE METABOLISM -0.000120981999025714 0.994410069294875 2223 Xylulokinase, converts D-xylulose and ATP to xylulose 5-phosphate and ADP; rate limiting step in fermentation of xylulose; required for xylose fermentation by recombinant S. cerevisiae strains xylulose catabolic process xylulokinase activity cytoplasm YHR003C YHR003C hom FT MITOCHONDRION -0.000122616475629884 0.994334550138561 2224 Protein of unknown function, localized to the mitochondrial outer membrane biological_process molecular_function mitochondrial outer membrane|mitochondrion YLL055W YCT1 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE -0.000123150325331169 0.994309884223475 2225 High-affinity cysteine-specific transporter with similarity to the Dal5p family of transporters; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; YCT1 is not an essential gene cysteine transport ion transmembrane transporter activity|cysteine transmembrane transporter activity integral to membrane|endoplasmic reticulum YDR400W URH1 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS -0.000127862035573414 0.994092185277097 2226 Uridine nucleosidase (uridine-cytidine N-ribohydrolase), cleaves N-glycosidic bonds in nucleosides; involved in the pyrimidine salvage and nicotinamide riboside salvage pathways pyrimidine-containing compound salvage|NAD biosynthesis via nicotinamide riboside salvage pathway|pyrimidine nucleoside catabolic process|nicotinate nucleotide salvage ribosylpyrimidine nucleosidase activity|nicotinic acid riboside hydrolase activity|nicotinamide riboside hydrolase activity|uridine nucleosidase activity nucleus|cytoplasm YOR010C TIR2 hom -0.000128007045826007 0.994085485258396 2227 Putative cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; transcription is induced by cold shock and anaerobiosis response to stress molecular_function fungal-type cell wall YCL001W-B_p YCL00