Strain Gene Zyg FClass FTerms similarity score p-value rank description GOBP GOMF GOCC YBR179C FZO1 hom FT MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 1 0 1 Mitofusin; integral membrane protein involved in mitochondrial outer membrane tethering and fusion; role in mitochondrial genome maintenance; efficient tethering and degradation of Fzo1p requires an intact N-terminal GTPase domain; targeted for destruction by the ubiquitin ligase SCF-Mdm30p and the cytosolic ubiquitin-proteasome system mitochondrial fusion GTPase activity|protein homodimerization activity mitochondrial outer membrane|mitochondrion|mitochondrial inner membrane|integral to mitochondrial outer membrane YDR518W EUG1 hom FT ENDOPLASMIC RETICULUM 0.592196780233406 1.3250118297488e-316 2 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 YDR462W MRPL28 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.589622183595353 3.35770831428512e-313 3 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 YOR330C MIP1 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.580909907116305 1.84997538593273e-301 4 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 YDR079W PET100 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.556780142121354 2.40241769667197e-272 5 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 YNL252C MRPL17 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.556243923402639 1.02375744920285e-271 6 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YGR220C MRPL9 hom FT TRANSLATION|MITOCHONDRION|RIBOSOME 0.553048918523692 5.46481397977822e-268 7 Mitochondrial ribosomal protein of the large subunit cytoplasmic translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YJL023C PET130 hom FT MITOCHONDRION 0.55067540010686 3.02343010174709e-265 8 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 YDR237W MRPL7 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.543108073393783 1.20140960886895e-256 9 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 YMR098C ATP25 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.542742503557586 1.48627854896594e-255 10 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 YNL213C RRG9 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.513058050831099 1.39593759226073e-224 11 Protein of unknown function; null mutant lacks mitochondrial DNA and cannot grow on glycerol; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies mitochondrion organization|mitochondrial genome maintenance molecular_function mitochondrion YDR533C HSP31 hom FT PROTEOLYSIS 0.511450183287832 5.90626826993487e-223 12 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 YMR286W MRPL33 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.506745957779666 7.36495731851754e-218 13 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YNR037C RSM19 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.5018265085313 2.11845753170305e-213 14 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 YKL194C MST1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.490036362665493 4.18774680947019e-202 15 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 YPL013C MRPS16 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.488573137175241 9.84521352985694e-201 16 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YCR024C SLM5 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.488021821074058 3.22223006111244e-200 17 Mitochondrial asparaginyl-tRNA synthetase asparaginyl-tRNA aminoacylation|mitochondrial asparaginyl-tRNA aminoacylation asparagine-tRNA ligase activity mitochondrion YGR150C CCM1 hom FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.4802768364493 1.10194215444901e-192 18 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 YML129C COX14 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.476830348998781 5.74820753263672e-190 19 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 YDR230W_d YDR230W hom 0.475157908781191 3.44458703238484e-188 20 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene COX20 Unknown Unknown Unknown YKL068W-A_p YKL068W-A hom 0.470162066034204 4.88325373666291e-184 21 Putative protein of unknown function; identified by homology to Ashbya gossypii biological_process molecular_function cellular_component YGR102C GTF1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.469363392305017 4.57703374705757e-183 22 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 YNL184C_p YNL184C hom 0.467971658499806 4.05323443055618e-182 23 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YMR287C DSS1 hom FT MITOCHONDRION 0.461439134171935 1.07052391713587e-175 24 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 YPR166C MRP2 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.461375425558242 2.00979592025631e-176 25 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YKL155C RSM22 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.456422523909327 4.47109655123396e-172 26 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 YMR035W IMP2 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.455128193773053 3.82742339296101e-171 27 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 mitochondrial inner membrane peptidase complex YOR158W PET123 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.454954175036465 5.35064170448421e-171 28 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 YDR375C BCS1 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.450563204110425 2.63777779026028e-167 29 Protein translocase and chaperone required for Complex III assembly; member of the AAA ATPase family; forms a homo-oligomeric complex in the mitochondrial inner membrane that translocates the C-terminal domain of Rip1p from the matrix across the inner membrane, and then delivers it to an assembly intermediate of respiratory Complex III in an ATP-dependent reaction; also required for assembly of the Qcr10p subunit; mutations in human homolog BCS1L linked to neonatal diseases protein insertion into mitochondrial membrane from inner side|chaperone-mediated protein complex assembly|mitochondrial respiratory chain complex III assembly protein transmembrane transporter activity|ATPase activity mitochondrion|mitochondrial inner membrane YGR257C MTM1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.449510450656685 1.93466015515646e-166 30 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 YER141W COX15 hom FT OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM|MITOCHONDRION 0.448656491245334 8.65876933357283e-166 31 Protein required for the hydroxylation of heme O to form heme A, which is an essential prosthetic group for cytochrome c oxidase heme a biosynthetic process oxidoreductase activity, acting on NADH or NADPH, heme protein as acceptor mitochondrion|integral to membrane|mitochondrial inner membrane YJL046W AIM22 hom FT MITOCHONDRION 0.445733712060793 2.07956006284475e-163 32 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 YPL215W CBP3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.444878921219434 1.02277715614284e-162 33 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 YNL177C MRPL22 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.442866297001485 4.27423084078109e-161 34 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YJL022W_d YJL022W hom 0.441056863358026 1.19940268018928e-159 35 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene PET130 Unknown Unknown Unknown YDR337W MRPS28 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.440570535585768 3.26291639368505e-159 36 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome|RNA binding mitochondrion|mitochondrial small ribosomal subunit YHL038C CBP2 hom FT RNA PROCESSING|MITOCHONDRION 0.440027911714996 7.91648176183823e-159 37 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 YPL148C PPT2 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.438941020009634 5.77005582628727e-158 38 Phosphopantetheine:protein transferase (PPTase), activates mitochondrial acyl carrier protein (Acp1p) by phosphopantetheinylation protein-cofactor linkage holo-[acyl-carrier-protein] synthase activity mitochondrion YOR125C CAT5 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.438815410843704 7.25556274230574e-158 39 Protein required for ubiquinone (Coenzyme Q) biosynthesis; localizes to the matrix face of the mitochondrial inner membrane in a large complex with ubiquinone biosynthetic enzymes; required for gluconeogenic gene activation ubiquinone biosynthetic process monooxygenase activity mitochondrion|mitochondrial inner membrane YJL166W QCR8 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.438724953921417 8.55644186575114e-158 40 Subunit 8 of ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; oriented facing the intermembrane space; expression is regulated by Abf1p and Cpf1p mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex III YGL107C RMD9 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.435033970395678 6.8588712454533e-155 41 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 YPL132W COX11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION|RIBOSOME 0.430168149689406 4.07223183552744e-151 42 Mitochondrial inner membrane protein required for delivery of copper to the Cox1p subunit of cytochrome c oxidase; association with mitochondrial ribosomes suggests that copper delivery may occur during translation of Cox1p protein complex assembly|aerobic respiration copper ion binding mitochondrial envelope|mitochondrion|mitochondrial ribosome|mitochondrial inner membrane YDR268W MSW1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.429577707833939 1.15755202012628e-150 43 Mitochondrial tryptophanyl-tRNA synthetase mitochondrial tryptophanyl-tRNA aminoacylation tryptophan-tRNA ligase activity mitochondrion YDR231C COX20 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.429355764596424 1.71337655897431e-150 44 Mitochondrial inner membrane protein, required for proteolytic processing of Cox2p and its assembly into cytochrome c oxidase mitochondrial respiratory chain complex IV assembly|protein processing|aerobic respiration unfolded protein binding mitochondrion|mitochondrial inner membrane YMR072W ABF2 hom FT MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.428958241823299 3.45605562633604e-150 45 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 YGL064C MRH4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|MITOCHONDRION 0.428735841512581 5.11548995094594e-150 46 Mitochondrial ATP-dependent RNA helicase of the DEAD-box family, plays an essential role in mitochondrial function RNA metabolic process RNA helicase activity mitochondrion YOR065W CYT1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.428673276900593 8.5782311580612e-150 47 Cytochrome c1, component of the mitochondrial respiratory chain; expression is regulated by the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex oxidative phosphorylation|mitochondrial electron transport, ubiquinol to cytochrome c electron transporter, transferring electrons within CoQH2-cytochrome c reductase complex activity mitochondrion|mitochondrial respiratory chain|integral to membrane|mitochondrial inner membrane|mitochondrial respiratory chain complex III YJR144W MGM101 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|MITOCHONDRION|CHROMOSOME 0.425292663582524 2.88048594050691e-147 48 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 YKL016C ATP7 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.420556822339056 7.65565046445406e-144 49 Subunit d of the stator stalk of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis protein complex assembly|ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism|ATPase activity|proton-transporting ATPase activity, rotational mechanism mitochondrion|mitochondrial proton-transporting ATP synthase, stator stalk|integral to membrane|mitochondrial proton-transporting ATP synthase complex YJL209W CBP1 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.418346730207241 4.90676584726008e-142 50 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 YGR076C MRPL25 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.417994552702271 6.07492581701932e-142 51 Mitochondrial ribosomal protein of the large subunit; mutation confers increased replicative lifespan mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YER058W PET117 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.414992611945712 9.73013158337821e-140 52 Protein required for assembly of cytochrome c oxidase mitochondrial respiratory chain complex IV assembly molecular_function mitochondrion YGR215W RSM27 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.414453902310571 2.40636357925741e-139 53 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YLR369W SSQ1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|COFACTOR METABOLISM|MITOCHONDRION 0.413240271210833 1.83923748582505e-138 54 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 YMR193W MRPL24 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.412589772397636 5.98622272664935e-138 55 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 YNR045W PET494 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.410114929027889 3.33039822498335e-136 56 Mitochondrial translational activator specific for the COX3 mRNA, acts together with Pet54p and Pet122p; located in the mitochondrial inner membrane mitochondrial respiratory chain complex IV biogenesis|positive regulation of mitochondrial translation translation regulator activity mitochondrion|mitochondrial inner membrane YJR120W YJR120W hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.40760847173506 3.26221408384626e-134 57 Protein of unknown function; essential for growth under anaerobic conditions; mutation causes decreased expression of ATP2, impaired respiration, defective sterol uptake, and altered levels/localization of ABC transporters Aus1p and Pdr11p cellular respiration|sterol transport|mitochondrion organization molecular_function cellular_component YDL032W_d YDL032W hom 0.40720886144762 3.98498496384232e-134 58 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 YHR116W COX23 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.40622580493442 2.17723736583151e-133 59 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 YPL078C ATP4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.397939188799312 1.2355290568117e-127 60 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 YDL068W_d YDL068W hom 0.397410557264212 2.85655852245894e-127 61 Dubious ORF unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOR200W_d YOR200W hom 0.39723600994595 3.76601685675878e-127 62 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 YHR050W-A_p YHR050W-A hom 0.395459034108874 6.22056701545694e-126 63 Protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YDR298C ATP5 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.395228761756371 8.93538259298943e-126 64 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 YDR332W IRC3 hom FT MITOCHONDRION 0.39497629526768 1.32865361425696e-125 65 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 YML061C PIF1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.393473299859307 2.13300061305227e-124 66 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 YPR100W MRPL51 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION|RIBOSOME 0.390918548828405 9.55723709106712e-123 67 Mitochondrial ribosomal protein of the large subunit mitochondrial translation|aerobic respiration structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YLL033W IRC19 hom 0.390136691522 2.49631814882581e-122 68 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 YDL198C GGC1 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.389414336208674 1.14851775045259e-121 69 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 YER050C RSM18 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.386749493928935 4.53064789818259e-120 70 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 YHR168W MTG2 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION 0.386210896566719 1.11694817678022e-119 71 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 YJL180C ATP12 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.385714795892018 2.37644844323109e-119 72 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 YMR064W AEP1 hom FT TRANSLATION|MITOCHONDRION 0.385700701863222 2.23972985109311e-119 73 Protein required for expression of the mitochondrial OLI1 gene encoding subunit 9 of F1-F0 ATP synthase regulation of translation translation regulator activity mitochondrion YDR322W MRPL35 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.384746282550125 1.05963434297977e-117 74 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YMR138W CIN4 hom FT SIGNALING 0.383967735538609 3.10048981827465e-118 75 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 YMR228W MTF1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.383391838789528 7.39872369553423e-118 76 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 YBR251W MRPS5 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.383138021550582 1.08490666091418e-117 77 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YDR204W COQ4 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.381668467624212 9.88481124176409e-117 78 Protein with a role in ubiquinone (Coenzyme Q) biosynthesis, possibly functioning in stabilization of Coq7p; located on the matrix face of the mitochondrial inner membrane; component of a mitochondrial ubiquinone-synthesizing complex ubiquinone biosynthetic process molecular_function mitochondrial inner membrane YJL062W-A COA3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.380372014419453 6.877386722292e-116 79 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 YBL080C PET112 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.377643542283916 3.96235539724777e-114 80 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 YGL237C HAP2 hom FT TRANSCRIPTION FROM RNA POL II|OXIDATION-REDUCTION PROCESS|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.376691130081781 1.616315102537e-113 81 Subunit of the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; contains sequences sufficient for both complex assembly and DNA binding carbon catabolite activation of transcription from RNA polymerase II promoter|regulation of cellular respiration 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 CCAAT-binding factor complex|nucleus YDL067C COX9 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.374842550488204 2.4422098575217e-112 82 Subunit VIIa 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 YLR067C PET309 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.373694715980774 1.30663901530487e-111 83 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 YEL059C-A SOM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.373661911667508 1.37065652013201e-111 84 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 YER061C CEM1 hom FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.373549681548434 1.61428074677819e-111 85 Mitochondrial beta-keto-acyl synthase with possible role in fatty acid synthesis; required for mitochondrial respiration fatty acid biosynthetic process fatty acid synthase activity mitochondrion YER087W AIM10 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.373455495876267 1.85175791590409e-111 86 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 YLR069C MEF1 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.372517233907498 7.24900295516099e-111 87 Mitochondrial elongation factor involved in translational elongation mitochondrial translational elongation|mitochondrial translation translation elongation factor activity mitochondrion YDR347W MRP1 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.371953211837691 1.6429404082607e-110 88 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 YDL069C CBS1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.371541277582085 4.66262181922097e-110 89 Mitochondrial translational activator of the COB mRNA; membrane protein that 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 extrinsic to mitochondrial inner membrane|mitochondrion|mitochondrial ribosome YIL093C RSM25 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.370458001652175 1.42627047162868e-109 90 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YDR065W RRG1 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.368292085395505 3.19890954654665e-108 91 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 YKL170W MRPL38 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.367962899970866 5.12146228441484e-108 92 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 YGR171C MSM1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.367010994015662 1.99108354451786e-107 93 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 YLL009C COX17 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.366886761613719 2.37630844209102e-107 94 Copper metallochaperone that transfers copper to Sco1p and Cox11p for eventual delivery to cytochrome c oxidase; contains twin cysteine-x9-cysteine motifs mitochondrial respiratory chain complex IV assembly|intracellular copper ion transport copper chaperone activity cytosol|mitochondrion|mitochondrial intermembrane space YMR293C HER2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.366692308835098 4.49960728466338e-107 95 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 0.366456115523539 6.29218942636564e-107 96 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrial large ribosomal subunit YOR211C MGM1 hom FT MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.364465110259879 7.35264564545099e-106 97 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 YOR305W RRG7 hom FT MITOCHONDRION 0.363727422293255 2.07941202423138e-105 98 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 YDR377W ATP17 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.360889619697219 1.10593391418653e-103 99 Subunit f of the F0 sector of mitochondrial F1F0 ATP synthase, which is a large, evolutionarily conserved enzyme complex required for ATP synthesis ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism|ATPase activity|proton-transporting ATPase activity, rotational mechanism mitochondrion|mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) YDL107W MSS2 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.358546813959779 2.85304531714842e-102 100 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 YDR148C KGD2 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.358302236549796 5.26733185626653e-102 101 Dihydrolipoyl transsuccinylase, component of the mitochondrial alpha-ketoglutarate dehydrogenase complex, which catalyzes the oxidative decarboxylation of alpha-ketoglutarate to succinyl-CoA in the TCA cycle; phosphorylated tricarboxylic acid cycle|mitochondrial genome maintenance|2-oxoglutarate metabolic process dihydrolipoyllysine-residue succinyltransferase activity mitochondrial nucleoid|mitochondrion|mitochondrial oxoglutarate dehydrogenase complex YER077C_p YER077C hom FT MITOCHONDRION 0.357147688364508 1.96177121209103e-101 102 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 YPL183W-A RTC6 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.356783563682945 3.23501136909799e-101 103 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 YGR222W PET54 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.355828194008119 1.46843252697804e-100 104 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 YLR260W LCB5 hom FT LIPID METABOLISM|SIGNALING|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.354018387646443 3.38119755149135e-99 105 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 YKL109W HAP4 hom FT TRANSCRIPTION FROM RNA POL II|OXIDATION-REDUCTION PROCESS|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.352909838111318 6.356744446907e-99 106 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 YPL040C ISM1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.351387435993007 4.96328156772419e-98 107 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 YFL018C LPD1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.350334651330617 2.04221175987396e-97 108 Dihydrolipoamide dehydrogenase, the lipoamide dehydrogenase component (E3) of the pyruvate dehydrogenase and 2-oxoglutarate dehydrogenase multi-enzyme complexes L-serine biosynthetic process|2-oxoglutarate metabolic process|leucine catabolic process|glycine catabolic process|isoleucine catabolic process|pyruvate metabolic process|valine catabolic process|hydrogen peroxide metabolic process glycine dehydrogenase (decarboxylating) activity|pyruvate dehydrogenase activity|oxoglutarate dehydrogenase (succinyl-transferring) activity|dihydrolipoyl dehydrogenase activity mitochondrial nucleoid|mitochondrion|glycine cleavage complex|mitochondrial oxoglutarate dehydrogenase complex YGR183C QCR9 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.350168220867647 3.31805348467323e-97 109 Subunit 9 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; required for electron transfer at the ubiquinol oxidase site of the complex iron-sulfur cluster assembly|mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex III YNL081C SWS2 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.350116450941296 2.73610798499701e-97 110 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 YCR003W MRPL32 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.350097833402912 2.80522285489164e-97 111 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 YLR091W GEP5 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.349658377567913 5.05228065986031e-97 112 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 YHR051W COX6 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.348807741506773 1.5737146256682e-96 113 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 YIL070C MAM33 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.346138590463946 5.43678722792021e-95 114 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 YHL004W MRP4 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.345687932199634 9.85392374752847e-95 115 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome|tRNA binding mitochondrion|mitochondrial small ribosomal subunit YMR097C MTG1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.344805666223185 4.90727405972282e-94 116 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 YDR175C RSM24 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.34381785948823 1.57648047542279e-93 117 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YOL096C COQ3 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.342699527975105 4.95983863456562e-93 118 O-methyltransferase, catalyzes two different O-methylation steps in ubiquinone (Coenzyme Q) biosynthesis; component of a mitochondrial ubiquinone-synthesizing complex; phosphoprotein ubiquinone biosynthetic process hexaprenyldihydroxybenzoate methyltransferase activity mitochondrion|mitochondrial inner membrane|extrinsic to membrane YPR099C_d YPR099C hom 0.342614801166853 7.57427127701996e-93 119 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 YGR112W SHY1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.342469771507601 6.69173710515678e-93 120 Mitochondrial inner membrane protein required for assembly of cytochrome c oxidase (complex IV); associates with complex IV assembly intermediates and complex III/complex IV supercomplexes; similar to human SURF1 involved in Leigh Syndrome mitochondrial respiratory chain complex IV assembly|aerobic respiration unfolded protein binding mitochondrion|integral to membrane|mitochondrial inner membrane YDL202W MRPL11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.341450125847971 2.52035420044085e-92 121 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YHR100C GEP4 hom FF|FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|MITOCHONDRION 0.340590122255667 1.04647327402477e-91 122 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 YNL005C MRP7 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.340111847167495 1.51648000884446e-91 123 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome|peptidyltransferase activity mitochondrion|mitochondrial large ribosomal subunit YMR151W_d YIM2 hom 0.340043764955905 1.55692031290076e-91 124 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 YLL018C-A COX19 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.339252617570247 4.59141446706114e-91 125 Protein required for cytochrome c oxidase assembly, located in the cytosol and mitochondrial intermembrane space; putative copper metallochaperone that delivers copper to cytochrome c oxidase; contains twin cysteine-x9-cysteine motifs mitochondrial respiratory chain complex IV assembly|metal ion transport copper ion binding|copper chaperone activity cytosol|mitochondrial intermembrane space YLR149C YLR149C hom 0.337608157118388 3.56561438416712e-90 126 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 YCR071C IMG2 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.33730969070174 7.51092856669483e-90 127 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YDR197W CBS2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.337186249693106 6.11579173796318e-90 128 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 YDR405W MRP20 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.336973791930503 8.02247467702056e-90 129 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YBL021C HAP3 hom FT TRANSCRIPTION FROM RNA POL II|OXIDATION-REDUCTION PROCESS|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.336478322770412 1.50937310965474e-89 130 Subunit of the heme-activated, glucose-repressed Hap2p/3p/4p/5p CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; contains sequences contributing to both complex assembly and DNA binding carbon catabolite activation of transcription from RNA polymerase II promoter|regulation of cellular respiration 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 CCAAT-binding factor complex YEL024W RIP1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.335878321391111 4.64368983104919e-89 131 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 YOR196C LIP5 hom FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.334819174860751 1.24247135747181e-88 132 Protein involved in biosynthesis of the coenzyme lipoic acid, has similarity to E. coli lipoic acid synthase protein lipoylation lipoate synthase activity mitochondrion YLR304C ACO1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.332972732955247 1.27788204601843e-87 133 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 YOL095C HMI1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.33246638742665 2.41461711324616e-87 134 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 YIR021W MRS1 hom FT RNA PROCESSING|MITOCHONDRION 0.332325007119183 3.86636679533753e-87 135 Protein required for the splicing of two mitochondrial group I introns (BI3 in COB and AI5beta in COX1); forms a splicing complex, containing four subunits of Mrs1p and two subunits of the BI3-encoded maturase, that binds to the BI3 RNA Group I intron splicing endodeoxyribonuclease activity|RNA binding mitochondrion YDR194C MSS116 hom FT RNA PROCESSING|TRANSLATION|MITOCHONDRION 0.331898743096053 5.21732875667722e-87 136 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 YMR257C PET111 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.331197052087386 1.18396848016134e-86 137 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 YLR439W MRPL4 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.330313860901738 3.56323270650732e-86 138 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 YMR282C AEP2 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.329515880152466 9.61214899233434e-86 139 Mitochondrial protein, likely involved in translation of the mitochondrial OLI1 mRNA; exhibits genetic interaction with the OLI1 mRNA 5'-untranslated leader mitochondrial translational initiation molecular_function mitochondrion YJL003W COX16 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.32935322459807 1.176277273735e-85 140 Mitochondrial inner membrane protein, required for assembly of cytochrome c oxidase mitochondrial respiratory chain complex IV assembly molecular_function mitochondrion|mitochondrial inner membrane YNR041C COQ2 hom FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.32902388401792 1.76968660067438e-85 141 Para hydroxybenzoate: polyprenyl transferase, catalyzes the second step in ubiquinone (coenzyme Q) biosynthesis ubiquinone biosynthetic process 4-hydroxybenzoate octaprenyltransferase activity mitochondrion|integral to mitochondrial membrane|integral to membrane YJR113C RSM7 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.328373123804657 5.91073147560595e-85 142 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 YFL016C MDJ1 hom FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.327657225390139 9.58628270486856e-85 143 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 YLR201C COQ9 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.326817882680152 2.69414351860069e-84 144 Protein required for ubiquinone (coenzyme Q) biosynthesis and respiratory growth; localizes to the matrix face of the mitochondrial inner membrane in a large complex with ubiquinone biosynthetic enzymes ubiquinone biosynthetic process|aerobic respiration molecular_function mitochondrion|mitochondrial inner membrane YDR529C QCR7 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.326580151290981 3.60803079257662e-84 145 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 YIL014C-A_p YIL014C-A hom 0.324035876358491 8.0860486058361e-83 146 Putative protein of unknown function biological_process molecular_function cellular_component YNR036C MRPS12 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.322987873042931 4.01936140111912e-82 147 Mitochondrial protein; may interact with ribosomes based on co-purification experiments; similar to E. coli and human mitochondrial S12 ribosomal proteins mitochondrial translation structural constituent of ribosome mitochondrion|ribosome|mitochondrial small ribosomal subunit YKR085C MRPL20 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.322984013688824 2.89906127027955e-82 148 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YGR219W_d YGR219W hom 0.322922238613645 3.30166654016512e-82 149 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 YLR038C COX12 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.322421963569965 5.72337203448626e-82 150 Subunit VIb of cytochrome c oxidase; cytochrome c oxidase is also known as respiratory Complex IV and is the terminal member of the mitochondrial inner membrane electron transport chain; required for assembly of cytochrome c oxidase but not required for activity after assembly; phosphorylated; easily released from the intermembrane space, suggesting a loose association with Complex IV mitochondrial respiratory chain complex IV assembly cytochrome-c oxidase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex IV YDR296W MHR1 hom FT MITOCHONDRION ORGANIZATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.322358296571769 6.18120879934664e-82 151 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 YDR114C_p YDR114C hom 0.321107932843109 2.79127119124649e-81 152 Putative protein of unknown function; deletion mutant exhibits poor growth at elevated pH and calcium biological_process molecular_function cellular_component YIL060W_p YIL060W hom 0.319195867245473 2.76057352898868e-80 153 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 YDR509W_d YDR509W hom 0.318329430186296 7.75488272357413e-80 154 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YER028C MIG3 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.317679737665456 1.67865565427438e-79 155 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 YMR267W PPA2 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.317327260093315 2.83656040319462e-79 156 Mitochondrial inorganic pyrophosphatase, required for mitochondrial function and possibly involved in energy generation from inorganic pyrophosphate aerobic respiration inorganic diphosphatase activity mitochondrion YBL007C SLA1 hom FF|FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|NUCLEUS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.317103983991591 6.99138084778229e-79 157 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 YNL284C MRPL10 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.317047058495208 3.95275439401935e-79 158 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 YOR187W TUF1 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.316412409193643 7.529817553781e-79 159 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 YGL143C MRF1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.314878470589728 5.6551750062292e-78 160 Mitochondrial translation release factor, involved in stop codon recognition and hydrolysis of the peptidyl-tRNA bond during mitochondrial translation; lack of MRF1 causes mitochondrial genome instability translational termination|mitochondrial translational termination|mitochondrial translation translation release factor activity mitochondrion YDL056W MBP1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.314619172202335 6.21849147450875e-78 161 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 YDR519W FPR2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.313180609114071 3.34708322181655e-77 162 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 YPL029W SUV3 hom FF|FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION|CHROMOSOME 0.313150100421214 3.46836678276077e-77 163 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 YPR191W QCR2 hom FT OXIDATION-REDUCTION PROCESS|PROTEOLYSIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.312943540513688 4.41305422786222e-77 164 Subunit 2 of the ubiquinol cytochrome-c reductase complex, which is a component of the mitochondrial inner membrane electron transport chain; phosphorylated; transcription is regulated by Hap1p, Hap2p/Hap3p, and heme mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|integral to membrane|mitochondrial crista|mitochondrial respiratory chain complex III YMR256C COX7 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.311538461189093 3.07286421505172e-76 165 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 YJR122W IBA57 hom FF|FT COFACTOR METABOLISM|MITOCHONDRION 0.310498741161687 1.18932022976659e-75 166 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 YCR053W THR4 hom FT VESICLE-MEDIATED TRANSPORT|KETONE METABOLISM|MEMBRANE ORGANIZATION|AMINO ACID METABOLISM|NUCLEUS 0.310398315458349 1.20611281805513e-75 167 Threonine synthase, conserved protein that catalyzes formation of threonine from O-phosphohomoserine; expression is regulated by the GCN4-mediated general amino acid control pathway endocytosis|threonine metabolic process threonine synthase activity nucleus|cytoplasm YBR039W ATP3 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.309530694605749 2.29684846781176e-75 168 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 YGR165W MRPS35 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.309158436252103 5.0133649961321e-75 169 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 YGL119W COQ8 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.306125625027815 1.43939959452347e-73 170 Protein required for ubiquinone biosynthesis and respiratory growth; exhibits genetic interaction with COQ9, suggesting a common function; similar to prokaryotic proteins involved in early steps of ubiquinone biosynthesis; COQ8 has a paralog, YBR230W-A, that arose from the whole genome duplication ubiquinone biosynthetic process|aerobic respiration molecular_function mitochondrion|extrinsic to mitochondrial inner membrane|mitochondrial matrix YKL087C CYT2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION 0.305665899369019 1.8943425102101e-73 171 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 YGR174C CBP4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.305097107915049 3.78729507337999e-73 172 Mitochondrial protein required for assembly of cytochrome bc1 complex; interacts with the Cbp3p-Cbp6p complex and newly synthesized cytochrome b (Cobp) to promote assembly of Cobp into the cytochrome bc1 complex mitochondrial respiratory chain complex III assembly molecular_function mitochondrion|integral to mitochondrial membrane YGR101W PCP1 hom FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.304213643327349 9.77412809977265e-73 173 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 YIL125W KGD1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.302431066787408 7.23157183945359e-72 174 Component of the mitochondrial alpha-ketoglutarate dehydrogenase complex, which catalyzes a key step in the tricarboxylic acid (TCA) cycle, the oxidative decarboxylation of alpha-ketoglutarate to form succinyl-CoA tricarboxylic acid cycle|2-oxoglutarate metabolic process oxoglutarate dehydrogenase (succinyl-transferring) activity mitochondrial nucleoid|mitochondrion|mitochondrial matrix|mitochondrial oxoglutarate dehydrogenase complex YLR203C MSS51 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.301381553903022 2.33401386762556e-71 175 Specific translational activator for the mitochondrial COX1 mRNA; loosely associated with the matrix face of the mitochondrial inner membrane; influences both COX1 mRNA translation and Cox1p assembly into cytochrome c oxidase; binds to heme B, which may be a mechanism for sensing oxygen levels in order to regulate cytochrome c oxidase biogenesis mitochondrial respiratory chain complex IV biogenesis|positive regulation of mitochondrial translation translation regulator activity extrinsic to mitochondrial inner membrane|mitochondrion YNL073W MSK1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|RNA LOCALIZATION|MITOCHONDRION 0.300924259769881 3.88300950701009e-71 176 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 YHR067W HTD2 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.300416538037823 6.82562221489297e-71 177 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 YCR046C IMG1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.298664777965046 5.98885199189336e-70 178 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 YLR270W DCS1 hom FT NUCLEUS|MITOCHONDRION 0.296974010342092 3.03507681483506e-69 179 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 YOR150W MRPL23 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.296314817576518 6.2397796497658e-69 180 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YDL142C CRD1 hom FT LIPID METABOLISM|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.291796552418671 8.2870485962097e-67 181 Cardiolipin synthase; produces cardiolipin, which is a phospholipid of the mitochondrial inner membrane that is required for normal mitochondrial membrane potential and function; also required for normal vacuolar ion homeostasis lipid biosynthetic process|cellular ion homeostasis|mitochondrial membrane organization cardiolipin synthase activity mitochondrion|integral to membrane YHR011W DIA4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.291545641864432 1.35502506880974e-66 182 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 YHR147C MRPL6 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.290949976314389 2.67651028964142e-66 183 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YKL208W CBT1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION 0.289832492579165 9.60051918924507e-66 184 Protein involved in 5' end processing of mitochondrial COB, 15S_rRNA, and RPM1 transcripts; may also have a role in 3' end processing of the COB pre-mRNA; displays genetic interaction with cell cycle-regulated kinase Dbf2p cytochrome complex assembly|mRNA processing|mRNA stabilization molecular_function mitochondrion YDR507C GIN4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH 0.289165297224177 1.37139287524282e-65 185 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 YGL129C RSM23 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.289147748981069 1.39716083495378e-65 186 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 YEL050C RML2 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|TRANSLATION|MITOCHONDRION|RIBOSOME 0.287904459180269 5.20674081072169e-65 187 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 YLR295C ATP14 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.287702924524232 6.44026054174263e-65 188 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) YBR282W MRPL27 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.287598772320498 7.18775547073718e-65 189 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 YJL063C MRPL8 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.286971005649595 1.39190656371395e-64 190 Mitochondrial ribosomal protein of the large subunit mitochondrial genome maintenance|mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YBL090W MRP21 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.286365372835425 2.62912041088237e-64 191 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 YER122C GLO3 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|NUCLEOTIDE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.285530643690774 6.57509698170161e-64 192 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 YPL189C-A COA2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.283311494790698 6.34077479879583e-63 193 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 YOL033W MSE1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.282493631295498 1.47709543435022e-62 194 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 YFR019W FAB1 hom FT LIPID METABOLISM|MITOCHONDRION 0.280481859684975 1.37711354761928e-61 195 1-phosphatidylinositol-3-phosphate 5-kinase; vacuolar membrane kinase that generates phosphatidylinositol (3,5)P2, which is involved in vacuolar sorting and homeostasis phosphatidylinositol phosphorylation 1-phosphatidylinositol-3-phosphate 5-kinase activity|phosphatidylinositol-3-phosphate binding endosome membrane|mitochondrion|fungal-type vacuole membrane|PAS complex YLL006W MMM1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.279949244249199 2.18597605558825e-61 196 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 YLR218C COA4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.279724381336295 2.53381737998548e-61 197 Twin Cx(9)C protein involved in cytochrome c oxidase assembly or stability; localizes to the mitochondrial intermembrane space via the Mia40p-Erv1p system; interacts genetically with CYC1 and with cytochrome c oxidase assembly factors mitochondrial respiratory chain complex IV assembly|mitochondrial respiratory chain complex assembly molecular_function nucleus|mitochondrial intermembrane space|cytoplasm YBL038W MRPL16 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.27879324197163 6.54102604139016e-61 198 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome|peptidyltransferase activity mitochondrion|mitochondrial large ribosomal subunit YMR150C IMP1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.278375101968602 1.0001907384651e-60 199 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 YHR091C MSR1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.277157169867254 3.43138747557006e-60 200 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 YLL027W ISA1 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.275829502569312 1.41413990393805e-59 201 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 YCR028C-A RIM1 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.275810570060301 1.33122701877367e-59 202 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 YHR120W MSH1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.275120845671967 2.65790723246983e-59 203 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 YJR077C MIR1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.273473744420729 1.37445440430057e-58 204 Mitochondrial phosphate carrier, imports inorganic phosphate into mitochondria; functionally redundant with Pic2p but more abundant than Pic2p under normal conditions; phosphorylated phosphate ion transmembrane transport inorganic phosphate transmembrane transporter activity mitochondrion|integral to membrane|integral to mitochondrial inner membrane YGR255C COQ6 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM|MITOCHONDRION 0.27263213902648 3.1683934423392e-58 205 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 YLR393W ATP10 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.271809566809035 7.14661023011447e-58 206 Mitochondrial inner membrane protein required for assembly of the F0 sector of mitochondrial F1F0 ATP synthase, interacts genetically with ATP6 mitochondrial proton-transporting ATP synthase complex assembly unfolded protein binding integral to mitochondrial membrane|mitochondrion|mitochondrial inner membrane YER154W OXA1 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.271286289365784 1.34331892379695e-57 207 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 YML110C COQ5 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.270206908631245 3.45817958921103e-57 208 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 YKL169C_d YKL169C hom 0.269181801505064 1.37521168707832e-56 209 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 YDL044C MTF2 hom FT RNA PROCESSING|TRANSLATION|MITOCHONDRION 0.26855232719724 1.74139962675683e-56 210 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 YJR034W PET191 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.268295614219852 2.23552804793785e-56 211 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 YDR512C EMI1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|MITOCHONDRION ORGANIZATION 0.267097018119696 7.15004018214688e-56 212 Non-essential protein required for transcriptional induction of the early meiotic-specific transcription factor IME1, also required for sporulation; contains twin cysteine-x9-cysteine motifs ascospore formation|mitochondrial respiratory chain complex assembly|positive regulation of transcription from RNA polymerase II promoter molecular_function cellular_component YPL005W AEP3 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.267083764295015 8.72067193300644e-56 213 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 YCL057C-A MOS1 hom FT MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.26640628707003 1.39352316528705e-55 214 Mitochondrial protein essential for proper inner membrane organization; conserved component of the mitochondrial inner membrane organizing system (MICOS, MINOS, or MitOS), 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; ortholog of human MINOS1 cristae formation molecular_function mitochondrion|mitochondrial crista junction|integral to mitochondrial inner membrane YLR239C LIP2 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.259539952294729 9.51572164928852e-53 215 Lipoyl ligase, involved in the modification of mitochondrial enzymes by the attachment of lipoic acid groups protein lipoylation ligase activity mitochondrion YPR047W MSF1 hom FT KETONE METABOLISM|RNA PROCESSING|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.256935685006496 1.07510304694514e-51 216 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 YDL045W-A MRP10 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.256264679494129 2.37075960765052e-51 217 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 YPR024W YME1 hom FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.254030577993056 1.77876993133716e-50 218 Catalytic subunit of the mitochondrial inner membrane i-AAA protease complex, which is responsible for degradation of unfolded or misfolded mitochondrial gene products; also has a role in intermembrane space protein folding; mutation causes an elevated rate of mitochondrial turnover chronological cell aging|misfolded or incompletely synthesized protein catabolic process|mitochondrion organization ATP-dependent peptidase activity mitochondrion|mitochondrial inner membrane|i-AAA complex YPR067W ISA2 hom FT KETONE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.253971773074101 1.64156153134076e-50 219 Protein required for maturation of mitochondrial [4Fe-4S] proteins; functions in a complex with Isa1p and possibly Iba57p; localizes to the mitochondrial intermembrane space, overexpression of ISA2 suppresses grx5 mutations iron-sulfur cluster assembly|biotin biosynthetic process iron ion binding mitochondrion|mitochondrial intermembrane space YER017C AFG3 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.253094683907423 3.65257061123405e-50 220 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 YOR201C MRM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION 0.252740264011464 5.04162057463511e-50 221 Ribose methyltransferase that modifies a functionally critical, conserved nucleotide in mitochondrial 21S rRNA rRNA modification rRNA (guanine-N1-)-methyltransferase activity mitochondrion YJL096W MRPL49 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.25218159383575 8.37062028736878e-50 222 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YML081C-A ATP18 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.252044710312252 9.475966465201e-50 223 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) YHL005C_d YHL005C hom 0.251125795823926 2.24692170565134e-49 224 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF YHL004W Unknown Unknown Unknown YJL127C-B_p YJL127C-B hom 0.251104442230143 2.69764886841001e-49 225 Putative protein of unknown function; identified based on homology to the filamentous fungus, Ashbya gossypii biological_process molecular_function cellular_component YGL191W COX13 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.250671971864131 3.38184848919515e-49 226 Subunit VIa of cytochrome c oxidase; present in a subclass of cytochrome c oxidase complexes that may have a role in mimimizing generation of reactive oxygen species; not essential for cytochrome c oxidase activity but may modulate activity in response to ATP; required for assembly of Rcf2p into cytochrome c oxidase - cytochrome bc1 supercomplexes mitochondrial respiratory chain supercomplex assembly|aerobic respiration enzyme regulator activity|cytochrome-c oxidase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex IV YNR020C ATP23 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.249341790476751 1.08025747263507e-48 227 Putative metalloprotease of the mitochondrial inner membrane, required for processing of Atp6p; has an additional role in assembly of the F0 sector of the F1F0 ATP synthase complex; substrate of the Mia40p-Erv1p disulfide relay system, and folding is assisted by Mia40p protein processing|mitochondrial proton-transporting ATP synthase complex assembly metalloendopeptidase activity mitochondrial inner membrane|mitochondrial intermembrane space YBR268W MRPL37 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.248731987205293 1.92369506700417e-48 228 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YGR062C COX18 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.248662629362876 1.98190130545275e-48 229 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 YNL315C ATP11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.247730628060326 4.54402634126023e-48 230 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 YHR008C SOD2 hom FF|FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.244298567486254 9.95958633242174e-47 231 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 YOR205C GEP3 hom FT MITOCHONDRION 0.243191440340404 2.53616679682074e-46 232 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 YLR202C_d YLR202C hom 0.242274689180251 6.3477412181563e-46 233 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF YLR201C; ORF contains a putative intron Unknown Unknown Unknown YKL055C OAR1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.242058847236185 6.5737485938127e-46 234 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 YNR042W_d YNR042W hom 0.237564334501664 3.09165776371309e-44 235 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps verified gene COQ2 Unknown Unknown Unknown YIL026C IRR1 het FF|FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.237216759963217 4.80037748398263e-44 236 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 YOR221C MCT1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.23715255481321 4.38199079579476e-44 237 Predicted malonyl-CoA:ACP transferase, putative component of a type-II mitochondrial fatty acid synthase that produces intermediates for phospholipid remodeling fatty acid metabolic process|aerobic respiration [acyl-carrier-protein] S-malonyltransferase activity mitochondrion YNL052W COX5A hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.235146017340056 2.37489299547761e-43 238 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 YGL240W DOC1 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|CELL DIVISION|PROTEOLYSIS|NUCLEUS|MITOCHONDRION|UBIQUITIN LIGASE COMPLEX 0.234490611114697 4.1104560049594e-43 239 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 YPL118W MRP51 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.233799152059556 7.52861538420805e-43 240 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 YKR016W FCJ1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.224196367282703 1.81940386709598e-39 241 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 YDR116C MRPL1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.223971901295981 2.17485717356945e-39 242 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YFL036W RPO41 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.220305267617727 4.31398283399257e-38 243 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 YKL134C OCT1 hom FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.219282165378604 8.65521660349969e-38 244 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 YBR002C RER2 het FF|FT VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.21810576260764 2.43245037793101e-37 245 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 YHR038W RRF1 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.216410958442298 7.91705239625222e-37 246 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 YLR382C NAM2 hom FT KETONE METABOLISM|RNA PROCESSING|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.211147941636903 5.55367477354296e-35 247 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 YGL218W_d YGL218W hom 0.209838553915006 1.24897570039167e-34 248 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 YIL067C_p YIL067C hom 0.209325299292315 1.62978762284367e-34 249 Uncharacterized protein of unknown function biological_process molecular_function integral to membrane|fungal-type vacuole YPR116W RRG8 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.207562458105244 6.36338833394781e-34 250 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 YLR139C SLS1 hom FT TRANSLATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.206726914214687 1.09575648530448e-33 251 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 YMR188C MRPS17 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.204630156504403 5.3392667619946e-33 252 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YDR115W YDR115W hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.202411558521666 2.45250754226184e-32 253 Putative mitochondrial ribosomal protein of the large subunit; similar to E. coli L34 ribosomal protein; required for respiratory growth, as are most mitochondrial ribosomal proteins; protein increases in abundance and relocalizes to the plasma membrane upon DNA replication stress mitochondrial translation structural constituent of ribosome mitochondrial large ribosomal subunit YLR134W PDC5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.196390277830824 1.66814915004257e-30 254 Minor isoform of pyruvate decarboxylase, key enzyme in alcoholic fermentation, decarboxylates pyruvate to acetaldehyde, regulation is glucose- and ethanol-dependent, repressed by thiamine, involved in amino acid catabolism L-phenylalanine catabolic process|glucose catabolic process to ethanol|pyruvate metabolic process|tryptophan catabolic process|aromatic amino acid family catabolic process to alcohol via Ehrlich pathway pyruvate decarboxylase activity nucleus|cytoplasm YMR066W SOV1 hom FT MITOCHONDRION 0.194555004530235 5.99136608272058e-30 255 Mitochondrial protein of unknown function biological_process molecular_function mitochondrion YIL098C FMC1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.192362570896653 2.60134674527295e-29 256 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 YOL027C MDM38 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|TRANSLATION|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.19112296144232 5.98514531484236e-29 257 Mitochondrial protein, forms a complex with Mba1p to facilitate recruitment of mRNA-specific translational activators to ribosomes; roles in protein export and K+/H+ exchange; human ortholog Letm1 implicated in Wolf-Hirschhorn syndrome potassium ion transport|mitochondrial respiratory chain complex III biogenesis|cellular potassium ion homeostasis|proton transport|positive regulation of mitochondrial translation|mitochondrial respiratory chain complex IV biogenesis|protein insertion into mitochondrial membrane ribosome binding mitochondrion|mitochondrial inner membrane YJR048W CYC1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.18682327030169 1.03057922885926e-27 258 Cytochrome c, isoform 1; electron carrier of the mitochondrial intermembrane space that transfers electrons from ubiquinone-cytochrome c oxidoreductase to cytochrome c oxidase during cellular respiration; CYC1 has a paralog, CYC7, that arose from the whole genome duplication mitochondrial electron transport, cytochrome c to oxygen|mitochondrial electron transport, ubiquinol to cytochrome c electron carrier activity mitochondrion|mitochondrial intermembrane space YLR312W-A MRPL15 hom FT RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.185075520249051 3.38767074521121e-27 259 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YBR163W EXO5 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.183312423577405 1.00070976484236e-26 260 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 YJR135W-A TIM8 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.183207401201935 1.07037467901432e-26 261 Mitochondrial intermembrane space protein, forms a complex with Tim13p that delivers a subset of hydrophobic proteins to the TIM22 complex for inner membrane insertion; homolog of human TIMM8A, implicated in Mohr-Tranebjaerg syndrome protein import into mitochondrial inner membrane protein transporter activity mitochondrion|integral to membrane|mitochondrial intermembrane space protein transporter complex YJR121W ATP2 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.18262766912783 1.55080751907535e-26 262 Beta 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 proton-transporting ATP synthase complex, catalytic core F(1)|mitochondrion|mitochondrial proton-transporting ATP synthase, catalytic core|integral to membrane YBR072C-A_p YBR072C-A hom 0.180294808894184 6.80916501557683e-26 263 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YOR358W HAP5 hom FT TRANSCRIPTION FROM RNA POL II|OXIDATION-REDUCTION PROCESS|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.179658117376885 1.01613215944731e-25 264 Subunit of the heme-activated, glucose-repressed Hap2/3/4/5 CCAAT-binding complex, a transcriptional activator and global regulator of respiratory gene expression; required for assembly and DNA binding activity of the complex carbon catabolite activation of transcription from RNA polymerase II promoter|regulation of cellular respiration RNA polymerase II core promoter proximal region sequence-specific DNA binding|DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription CCAAT-binding factor complex YDL157C_p YDL157C hom FT MITOCHONDRION 0.179385236936388 1.20577418602995e-25 265 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 YPL271W ATP15 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.179108074892932 1.89703413818075e-25 266 Epsilon 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 proton-transporting ATP synthase complex, catalytic core F(1)|mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase, central stalk YER052C HOM3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.177859130474025 3.33331208566388e-25 267 Aspartate kinase (L-aspartate 4-P-transferase); cytoplasmic enzyme that catalyzes the first step in the common pathway for methionine and threonine biosynthesis; expression regulated by Gcn4p and the general control of amino acid synthesis threonine biosynthetic process|methionine biosynthetic process|homoserine biosynthetic process aspartate kinase activity cytoplasm YHR009C_p TDA3 hom FT VESICLE-MEDIATED TRANSPORT|OXIDATION-REDUCTION PROCESS 0.176726763416042 6.29617737515114e-25 268 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 YPL097W MSY1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.17575350255632 1.14567426160337e-24 269 Mitochondrial tyrosyl-tRNA synthetase mitochondrial tyrosyl-tRNA aminoacylation tyrosine-tRNA ligase activity mitochondrion YDR322C-A TIM11 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.175703071835699 1.25887805262235e-24 270 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) YBR026C ETR1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.175501481542353 1.33702061675207e-24 271 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 YPL173W MRPL40 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.172946803733446 6.31551545302607e-24 272 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YIL157C COA1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.171136758814574 1.8702739215689e-23 273 Mitochondrial inner membrane protein required for assembly of the cytochrome c oxidase complex (complex IV); interacts with complex IV assembly factor Shy1p during the early stages of assembly mitochondrial respiratory chain complex IV assembly molecular_function integral to mitochondrial membrane|mitochondrion|integral to mitochondrial inner membrane YBR003W COQ1 hom FT KETONE METABOLISM|LIPID METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.170921259612087 2.12665105145463e-23 274 Hexaprenyl pyrophosphate synthetase, catalyzes the first step in ubiquinone (coenzyme Q) biosynthesis ubiquinone biosynthetic process trans-hexaprenyltranstransferase activity mitochondrion YKR025W RPC37 het FT NUCLEUS 0.170713950236014 2.44221518832049e-23 275 RNA polymerase III subunit C37 tRNA transcription from RNA polymerase III promoter DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex YMR089C YTA12 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.17047567880361 2.77218072951936e-23 276 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 YDR082W STN1 het FT NUCLEUS|CHROMOSOME 0.170029772041946 3.77589333163727e-23 277 Telomere end-binding and capping protein, plays a key role with Pol12p in linking telomerase action with completion of lagging strand synthesis, and in a regulatory step required for telomere capping telomere capping|negative regulation of telomere maintenance via telomerase single-stranded telomeric DNA binding nuclear telomere cap complex YBR200W-A_p YBR200W-A hom 0.166471232210639 2.90700498870932e-22 278 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YER086W ILV1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.165931529012282 3.97261880487862e-22 279 Threonine deaminase, catalyzes the first step in isoleucine biosynthesis; expression is under general amino acid control; ILV1 locus exhibits highly positioned nucleosomes whose organization is independent of known ILV1 regulation threonine catabolic process|isoleucine biosynthetic process L-threonine ammonia-lyase activity mitochondrion YDR158W HOM2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.164557044063027 1.03450350322054e-21 280 Aspartic beta semi-aldehyde dehydrogenase, catalyzes the second step in the common pathway for methionine and threonine biosynthesis; expression regulated by Gcn4p and the general control of amino acid synthesis methionine biosynthetic process|threonine biosynthetic process|homoserine biosynthetic process aspartate-semialdehyde dehydrogenase activity nucleus|plasma membrane|cytoplasm YOL008W COQ10 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.162261570704919 3.23055059620398e-21 281 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 YGL135W RPL1B hom FT TRANSLATION|RIBOSOME 0.161085617559326 6.25863807379226e-21 282 Ribosomal 60S subunit protein L1B; N-terminally acetylated; homologous to mammalian ribosomal protein L10A and bacterial L1; RPL1B has a paralog, RPL1A, that arose from the whole genome duplication; rpl1a rpl1b double null mutation is lethal cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YKL003C MRP17 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.157780391336562 3.91009057436321e-20 283 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 YBR037C SCO1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.155411492920798 1.41920005812314e-19 284 Copper-binding protein of mitochondrial inner membrane; required for cytochrome c oxidase activity and respiration; may function to deliver copper to cytochrome c oxidase; similar to thioredoxins; SCO1 has a paralog, SCO2, that arose from the whole genome duplication copper ion transport|response to redox state|protein complex assembly copper ion binding|thioredoxin peroxidase activity mitochondrion|mitochondrial inner membrane YOR161C-C_p YOR161C-C hom 0.154990698661388 1.7806687608224e-19 285 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YJL047C-A_p YJL047C-A hom 0.154023382015657 2.99271732966935e-19 286 Putative protein of unknown function biological_process molecular_function cellular_component YMR131C RRB1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.153872599347363 3.24401562263854e-19 287 Essential nuclear protein involved in early steps of ribosome biogenesis; physically interacts with the ribosomal protein Rpl3p ribosome biogenesis molecular_function nucleolus YHR013C ARD1 hom FT CHROMATIN ORGANIZATION|RIBOSOME 0.153731763034173 3.49750645605655e-19 288 Subunit of protein N-terminal acetyltransferase NatA; NatA is comprised of Nat1p, Ard1p, and Nat5p; acetylates many proteins and thus affects telomeric silencing, cell cycle, heat-shock resistance, mating, and sporulation; human Ard1p levels are elevated in cancer cells; protein abundance increases in response to DNA replication stress histone acetylation|N-terminal protein amino acid acetylation peptide alpha-N-acetyltransferase activity cytosolic ribosome|NatA complex YCL044C MGR1 hom FT PROTEOLYSIS|MITOCHONDRION 0.150942650186126 1.67918278455874e-18 289 Subunit of the mitochondrial (mt) i-AAA protease supercomplex, which degrades misfolded mitochondrial proteins; forms a subcomplex with Mgr3p that binds to substrates to facilitate proteolysis; required for growth of cells lacking mtDNA misfolded or incompletely synthesized protein catabolic process misfolded protein binding mitochondrion|i-AAA complex YOL009C MDM12 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.150595241621327 1.8345554175182e-18 290 Mitochondrial outer membrane protein, required for transmission of mitochondria to daughter cells; component of the ERMES complex that links the ER to mitochondria; may influence import and assembly of outer membrane beta-barrel proteins mitochondrion inheritance|mitochondrion organization|protein import into mitochondrial outer membrane|phospholipid transport molecular_function mitochondrial outer membrane|mitochondrion|ERMES complex YOL023W IFM1 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.148659308110818 5.01446144271732e-18 291 Mitochondrial translation initiation factor 2 translational initiation|mitochondrial translational initiation|mitochondrial translation tRNA binding|GTPase activity|translation initiation factor activity mitochondrion YGR121W-A_p YGR121W-A hom 0.147152854389608 1.08655657493783e-17 292 Putative protein of unknown function biological_process molecular_function cellular_component YBR123C TFC1 het FT NUCLEUS 0.146155791860469 1.80471162547997e-17 293 One of six subunits of the RNA polymerase III transcription initiation factor complex (TFIIIC); part of the TauA globular domain of TFIIIC that binds DNA at the BoxA promoter sites of tRNA and similar genes; human homolog is TFIIIC-63 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 YPL172C COX10 hom FT COFACTOR METABOLISM|MITOCHONDRION 0.145994747205658 2.04560952679129e-17 294 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 YJL101C GSH1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|RESPONSE TO OXIDATIVE STRESS 0.145010081031714 3.54679159460033e-17 295 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 YJL136W-A_p YJL136W-A hom 0.14386181012356 6.49916042065652e-17 296 Putative protein of unknown function; identified by SAGE biological_process molecular_function cellular_component YPL119C-A_p YPL119C-A hom 0.142209689909881 1.29890258112307e-16 297 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YMR272W-B_p YMR272W-B hom 0.1419094136418 1.50600919706788e-16 298 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YDL085C-A_p YDL085C-A hom FT NUCLEUS 0.141603420595737 1.75049275788453e-16 299 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus biological_process molecular_function nucleus|cytoplasm YOR293C-A_p YOR293C-A hom 0.140601651716814 2.85791344446055e-16 300 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YER153C PET122 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.139295700569742 5.38621478532789e-16 301 Mitochondrial translational activator specific for the COX3 mRNA, acts together with Pet54p and Pet494p; located in the mitochondrial inner membrane positive regulation of mitochondrial translation|mitochondrial respiratory chain complex IV biogenesis translation initiation factor activity mitochondrion|mitochondrial inner membrane|integral to mitochondrial inner membrane YFR033C QCR6 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.138645406693216 7.36829966154975e-16 302 Subunit 6 of the ubiquinol cytochrome-c reductase complex; the complex, also known as the cytochrome bc(1) complex or Complex III, is a component of the mitochondrial inner membrane electron transport chain; highly acidic protein; required for maturation of cytochrome c1; may be loosely associated with the complex since it is easily released into the intermembrane space mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex III YAL044W-A_p YAL044W-A hom 0.138383375194465 8.35640316040022e-16 303 Putative protein of unknown function; similar to S. pombe uvi31 which is a putative DNA repair protein biological_process molecular_function cellular_component YLL006W-A_p YLL006W-A hom 0.137803861066911 1.10285460736948e-15 304 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YIR021W-A_p YIR021W-A hom 0.137135382116398 1.51663707601869e-15 305 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YBR085C-A YBR085C-A hom FT NUCLEUS 0.136229868942184 2.32929580735715e-15 306 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 YOL049W GSH2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.135787869196528 2.89624050475487e-15 307 Glutathione synthetase, catalyzes the ATP-dependent synthesis of glutathione (GSH) from gamma-glutamylcysteine and glycine; induced by oxidative stress and heat shock glutathione biosynthetic process glutathione synthase activity intracellular YBL029C-A YBL029C-A hom FT PLASMA MEMBRANE 0.134760661320686 4.64431776769948e-15 308 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery; protein abundance increases in response to DNA replication stress; has potential orthologs in Saccharomyces species and in Yarrowia lipolytica biological_process molecular_function plasma membrane YMR039C SUB1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.134524562758504 5.18534295908317e-15 309 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 YLR361C-A_p YLR361C-A hom 0.134096735390899 6.32819751990061e-15 310 Putative protein of unknown function biological_process molecular_function cellular_component YGR174W-A_p YGR174W-A hom 0.13369334998311 8.13657493891711e-15 311 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 YPL270W MDL2 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.133600020249012 7.96825684666131e-15 312 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 YBR185C MBA1 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.133455613993929 8.51902164017509e-15 313 Membrane-associated mitochondrial ribosome receptor; forms a complex with Mdm38p that may facilitate recruitment of mRNA-specific translational activators to ribosomes; possible role in protein export from the matrix to inner membrane protein insertion into mitochondrial membrane from inner side|mitochondrial respiratory chain complex III biogenesis|inner mitochondrial membrane organization|positive regulation of mitochondrial translation|mitochondrial respiratory chain complex IV biogenesis ribosome binding mitochondrion|mitochondrial inner membrane YJL077W-B_p YJL077W-B hom 0.132014456381681 1.65326187082658e-14 314 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YBL030C PET9 het FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.131605226458843 2.04694467811419e-14 315 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 YHR175W-A_p YHR175W-A hom 0.13150616925077 2.08521872866486e-14 316 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YPL104W MSD1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.130437897517849 3.38651759130187e-14 317 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 YLL029W FRA1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEOLYSIS 0.130429427285557 3.48965212180395e-14 318 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 YOR051C ETT1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|NUCLEUS 0.129571068674972 5.00468521310816e-14 319 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 YMR158W MRPS8 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.128694148347488 7.4100737066746e-14 320 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YKL106W AAT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.128411905592278 8.4030173273797e-14 321 Mitochondrial aspartate aminotransferase, catalyzes the conversion of oxaloacetate to aspartate in aspartate and asparagine biosynthesis aspartate catabolic process|chronological cell aging|replicative cell aging|asparagine biosynthetic process from oxaloacetate|aspartate biosynthetic process L-aspartate:2-oxoglutarate aminotransferase activity mitochondrion YML030W RCF1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.128395503304544 8.53645616694716e-14 322 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 YMR109W MYO5 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.127139437904465 1.4762621208563e-13 323 One of two type I myosins; contains proline-rich tail homology 2 (TH2) and SH3 domains; MYO5 deletion has little effect on growth, but myo3 myo5 double deletion causes severe defects in growth and actin cytoskeleton organization bipolar cellular bud site selection|endocytosis|exocytosis|fungal-type cell wall organization|response to salt stress|receptor-mediated endocytosis|actin cortical patch localization|response to osmotic stress microfilament motor activity mating projection tip|actin cortical patch YGL219C MDM34 hom FT MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.125922392759176 2.51741424983031e-13 324 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 YAL044C GCV3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.125893504816953 2.54935007456057e-13 325 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 YNL146C-A_p YNL146C-A hom 0.121138353918987 1.95237598623702e-12 326 Putative protein of unknown function biological_process molecular_function cellular_component YGR132C PHB1 hom FT MEMBRANE ORGANIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.120044399832333 3.24846522785308e-12 327 Subunit of the prohibitin complex (Phb1p-Phb2p), a 1.2 MDa ring-shaped inner mitochondrial membrane chaperone that stabilizes newly synthesized proteins; determinant of replicative life span; involved in mitochondrial segregation mitochondrion inheritance|protein folding|negative regulation of proteolysis|replicative cell aging|mitochondrion morphogenesis|inner mitochondrial membrane organization molecular_function mitochondrion|mitochondrial inner membrane YLR150W STM1 hom FT SIGNALING|TRANSLATION|NUCLEUS|RIBOSOME 0.119964191825875 3.18910626361644e-12 328 Protein required for optimal translation under nutrient stress; perturbs association of Yef3p with ribosomes; involved in TOR signaling; binds G4 quadruplex and purine motif triplex nucleic acid; helps maintain telomere structure; protein abundance increases in response to DNA replication stress; serves as a ribosome preservation factor both during quiescence and recovery translational elongation|TOR signaling cascade|regulation of translational initiation in response to stress|telomere maintenance|anti-apoptosis triplex DNA binding|DNA binding|telomeric DNA binding cytosolic ribosome|polysome|cytoplasm YOL013W-B_d YOL013W-B hom 0.117487724430554 8.83878989680666e-12 329 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps the long terminal repeat (LTR) of a Ty1 element Unknown Unknown Unknown YDL004W ATP16 het FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.117304963617439 9.52145399495401e-12 330 Delta subunit of the central stalk 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 proton-transporting ATP synthase complex, catalytic core F(1)|mitochondrion|integral to membrane|mitochondrial proton-transporting ATP synthase, central stalk YHR207C SET5 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.117237554188771 9.7860650595987e-12 331 Methyltransferase involved in methylation of histone H4 Lys5, -8, -12; S-adenosylmethionine-dependent; zinc-finger protein, contains one canonical and two unusual fingers in unusual arrangements; deletion enhances replication of positive-strand RNA virus histone lysine methylation S-adenosylmethionine-dependent methyltransferase activity nuclear chromatin|nucleus|cytoplasm YPL038W-A_p YPL038W-A hom 0.116995783587636 1.07956873913175e-11 332 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YNR018W RCF2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.116560916223376 1.28745164351944e-11 333 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 YJR139C HOM6 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.115479944329703 2.13009936364693e-11 334 Homoserine dehydrogenase (L-homoserine:NADP oxidoreductase), dimeric enzyme that catalyzes the third step in the common pathway for methionine and threonine biosynthesis; enzyme has nucleotide-binding, dimerization and catalytic regions threonine biosynthetic process|methionine biosynthetic process|homoserine biosynthetic process homoserine dehydrogenase activity nucleus|cytoplasm YPL152W-A_p YPL152W-A hom 0.11500239460872 2.4072431645309e-11 335 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YHR195W NVJ1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.114871396996825 2.53629673350723e-11 336 Nuclear envelope protein, anchored to the nuclear inner membrane, that interacts with the vacuolar membrane protein Vac8p to promote formation of nucleus-vacuole junctions during piecemeal microautophagy of the nucleus (PMN) microautophagy|cellular protein localization protein binding nuclear envelope YML090W_d YML090W hom 0.114005591763568 3.57650990901189e-11 337 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the dubious ORF YML089C; exhibits growth defect on a non-fermentable (respiratory) carbon source Unknown Unknown Unknown YDL173W PAR32 hom 0.113288917199791 4.74425659460318e-11 338 Putative protein of unknown function; hyperphosphorylated upon rapamycin treatment in a Tap42p-dependent manner; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; PAR32 is not an essential gene biological_process molecular_function cytoplasm YOL038C-A_p YOL038C-A hom 0.113013560248976 5.28581716575379e-11 339 Putative protein of unknown function; identified by SAGE analysis biological_process molecular_function cellular_component YGR208W SER2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.112748788531594 6.01875317761163e-11 340 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 YGL068W MNP1 het FT TRANSLATION|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.112624683106625 6.15485816172355e-11 341 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 YGR191W HIP1 het FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.112028696028023 7.76418929019151e-11 342 High-affinity histidine permease, also involved in the transport of manganese ions manganese ion transport|histidine transport high affinity L-histidine transmembrane transporter activity integral to membrane|plasma membrane YHR025W THR1 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.111336897045901 1.01515394392003e-10 343 Homoserine kinase, conserved protein required for threonine biosynthesis; expression is regulated by the GCN4-mediated general amino acid control pathway threonine biosynthetic process|methionine metabolic process|isoleucine metabolic process|homoserine metabolic process homoserine kinase activity cellular_component YBR035C PDX3 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM 0.111326581639214 1.0192077537974e-10 344 Pyridoxine (pyridoxamine) phosphate oxidase, has homologs in E. coli and Myxococcus xanthus; transcription is under the general control of nitrogen metabolism fatty acid metabolic process pyridoxamine-phosphate oxidase activity cellular_component YOR091W TMA46 hom FT TRANSLATION 0.109977730845567 1.71091858994437e-10 345 Protein of unknown function that associates with translating ribosomes; interacts with GTPase Rbg1p cytoplasmic translation molecular_function polysomal ribosome|ribosome|cytoplasm YJL102W MEF2 hom FT TRANSLATION|NUCLEOTIDE METABOLISM|MITOCHONDRION 0.109184219703072 2.31375800719396e-10 346 Mitochondrial elongation factor involved in translational elongation translational elongation translation elongation factor activity mitochondrion YML054C-A_p YML054C-A hom 0.109037992861314 2.44553136794306e-10 347 Putative protein of unknown function biological_process molecular_function cellular_component YLR294C_d YLR294C hom 0.108693801052457 2.78529065639305e-10 348 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 YIL112W HOS4 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.108500837800078 2.99549046652589e-10 349 Subunit of the Set3 complex, which is a meiotic-specific repressor of sporulation specific genes that contains deacetylase activity; potential Cdc28p substrate negative regulation of meiosis|histone deacetylation molecular_function Set3 complex YOR101W RAS1 hom FT SIGNALING|NUCLEOTIDE METABOLISM|PLASMA MEMBRANE 0.107424544213252 4.51111636517433e-10 350 GTPase involved in G-protein signaling in adenylate cyclase activation; plays a role in cell proliferation; localized to the plasma membrane; homolog of mammalian RAS proto-oncogenes; relative distribution to the nucleus increases upon DNA replication stress adenylate cyclase-activating G-protein coupled receptor signaling pathway|replicative cell aging|Ras protein signal transduction GTPase activity plasma membrane YDL172C_d YDL172C hom 0.107406652191529 4.51440305883617e-10 351 Dubious ORF unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL124W SPC29 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.106543730828947 6.22068862318181e-10 352 Inner plaque spindle pole body (SPB) component, links the central plaque component Spc42p to the inner plaque component Spc110p; required for SPB duplication microtubule nucleation|spindle pole body duplication associated with nuclear envelope structural constituent of cytoskeleton central plaque of spindle pole body YOR376W-A_p YOR376W-A hom 0.106320774307396 6.75516082463087e-10 353 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YDR005C MAF1 hom FT NUCLEUS 0.105699370621123 8.49220022884737e-10 354 Highly conserved negative regulator of RNA polymerase III; binds to the N-terminal domain of the Rpc160p subunit of Pol III to prevent closed-complex formation; localization and activity are regulated by phosphorylation, mediated by TORC1, protein kinase A, and Sch9p; localizes to cytoplasm during vegetative growth and translocates to the nucleus and nucleolus under stress conditions negative regulation of transcription from RNA polymerase III promoter RNA polymerase III core binding nucleolus|nucleus|cytoplasm YJR151W-A_p YJR151W-A hom 0.105583275634119 9.06795433341877e-10 355 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 YOR334W MRS2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.104867539666969 1.151251848919e-09 356 Mitochondrial inner membrane Mg(2+) channel, required for maintenance of intramitochondrial Mg(2+) concentrations at the correct level to support splicing of group II introns mitochondrial magnesium ion transport magnesium ion transmembrane transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YHL023C NPR3 hom FT CELL CYCLE|SIGNALING|RESPONSE TO NUTRIENT LEVELS 0.104785673525087 1.18609954302205e-09 357 Subunit of SEA (Seh1-associated), Npr2/3, and Iml1p complexes; Npr2/3 complex mediates downregulation of TORC1 activity upon amino acid limitation; SEA complex is a coatomer-related complex that associates dynamically with the vacuole; Iml1p complex (Iml1p-Npr2p-Npr3p) is required for non-nitrogen-starvation (NNS)-induced autophagy; required for Npr2p phosphorylation and Iml1p-Npr2p interaction; null mutant shows delayed meiotic DNA replication and double-strand break repair meiosis|regulation of TOR signaling cascade|cellular response to amino acid starvation molecular_function Seh1-associated complex|extrinsic to fungal-type vacuolar membrane YGL006W-A_p YGL006W-A hom 0.104661626193178 1.24086921102707e-09 358 Putative protein of unknown function; identified by SAGE biological_process molecular_function cellular_component YCL014W BUD3 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.104486045488752 1.3226250155495e-09 359 Protein involved in bud-site selection and required for axial budding pattern; localizes with septins to bud neck in mitosis and may constitute an axial landmark for next round of budding cellular bud site selection|axial cellular bud site selection|cytokinesis molecular_function cellular bud neck contractile ring|cellular bud neck YMR194C-B CMC4 hom FT MITOCHONDRION 0.103980929865371 1.58819252873542e-09 360 Protein that localizes to the mitochondrial intermembrane space via the Mia40p-Erv1p system; contains twin cysteine-x(9)-cysteine motifs biological_process molecular_function mitochondrial intermembrane space YMR304W UBP15 hom FT PROTEOLYSIS 0.103939047902459 1.64875758898662e-09 361 Ubiquitin-specific protease involved in protein deubiquitination; catalytic activity regulated by an N-terminal TRAF-like domain and and C-terminal sequences; physically interacts with anaphase-promoting complex/cyclosome (APC/C) activator, Cdh1p; forms a complex with AAA peroxins Pex1p and Pex6p protein deubiquitination ubiquitin-specific protease activity peroxisome|cytoplasm YOL019W-A_p YOL019W-A hom 0.103639558906625 1.84684350042718e-09 362 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YDR194W-A_p YDR194W-A hom 0.102232778831634 3.05317654291505e-09 363 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YJL031C BET4 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN PRENYLATION 0.101787365237857 3.67188251858807e-09 364 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 YOL127W RPL25 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.100945654420116 4.68315058140326e-09 365 Ribosomal 60S subunit protein L25; primary rRNA-binding ribosomal protein component of large ribosomal subunit; binds to 25S rRNA via a conserved C-terminal motif; homologous to mammalian ribosomal protein L23A and bacterial L23 cytoplasmic translation|ribosomal large subunit assembly structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YBR078W ECM33 hom FF|FT CELL WALL ORG/BIOGENESIS|MITOCHONDRION|PLASMA MEMBRANE 0.099182432739566 8.65281747179821e-09 366 GPI-anchored protein of unknown function, has a possible role in apical bud growth; GPI-anchoring on the plasma membrane crucial to function; phosphorylated in mitochondria; similar to Sps2p and Pst1p fungal-type cell wall organization molecular_function mitochondrion|fungal-type cell wall|plasma membrane YLR077W FMP25 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0991472842280428 8.75842850523629e-09 367 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 YNL277W-A_p YNL277W-A hom 0.0987996319423132 9.87281285362118e-09 368 Putative protein of unknown function biological_process molecular_function cellular_component YDR414C ERD1 hom FT PROTEIN LOCALIZATION|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0969684626532475 1.84290366158753e-08 369 Predicted membrane protein required for the retention of lumenal endoplasmic reticulum proteins; mutants secrete the endogenous ER protein, BiP (Kar2p) protein retention in ER lumen|protein glycosylation molecular_function integral to membrane|membrane YIL038C NOT3 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0959744606403739 2.57391220791581e-08 370 Subunit of the CCR4-NOT complex, which is a global transcriptional regulator with roles in transcription initiation and elongation and in mRNA degradation regulation of transcription from RNA polymerase II promoter|nuclear-transcribed mRNA poly(A) tail shortening|positive regulation of transcription elongation from RNA polymerase II promoter|protein ubiquitination ubiquitin-protein ligase activity CCR4-NOT core complex|cytoplasm YPR123C_d YPR123C hom FF 0.0957178997244773 2.84438838687974e-08 371 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially/completely overlaps the verified ORF CTR Unknown Unknown Unknown YPR108W-A_p YPR108W-A hom 0.0953764334188254 3.18661014314767e-08 372 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YML007W YAP1 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0951192101049976 3.51956348400303e-08 373 Basic leucine zipper (bZIP) transcription factor; required for oxidative stress tolerance; activated by H2O2 through the multistep formation of disulfide bonds and transit from the cytoplasm to the nucleus; Yap1p is degraded in the nucleus after the oxidative stress has passed; mediates resistance to cadmium; YAP1 has a paralog, CAD1, 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 arsenic-containing substance|response to heat|response to drug|response to singlet oxygen|regulation of transcription from RNA polymerase II promoter in response to oxidative stress|response to metal ion sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus|cytoplasm YCR033W SNT1 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|SIGNALING|NUCLEUS|CHROMOSOME 0.0947572507967026 3.92992983275881e-08 374 Subunit of the Set3C deacetylase complex that interacts directly with the Set3C subunit, Sif2p; putative DNA-binding protein; mutant has increased aneuploidy tolerance negative regulation of meiosis|regulation of transcription, DNA-dependent|histone deacetylation|positive regulation of stress-activated MAPK cascade molecular_function Rpd3L-Expanded complex|Set3 complex YKL080W VMA5 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0946435351309602 4.00508324472944e-08 375 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 YFL033C RIM15 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0937449211268083 5.52927361296312e-08 376 Glucose-repressible protein kinase involved in signal transduction during cell proliferation in response to nutrients, specifically the establishment of stationary phase; identified as a regulator of IME2; substrate of Pho80p-Pho85p kinase protein phosphorylation|age-dependent response to oxidative stress involved in chronological cell aging|response to stress|regulation of meiosis protein serine/threonine kinase activity|protein kinase activity nucleus|cytoplasm YDR049W VMS1 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0929642844720085 6.93759060461673e-08 377 Component of a Cdc48p-complex involved in protein quality control; exhibits cytosolic and ER-membrane localization, with Cdc48p, during normal growth, and contributes to ER-associated degradation (ERAD) of specific substrates at a step after their ubiquitination; forms a mitochondrially-associated complex with Cdc48p and Npl4p under oxidative stress that is required for ubiquitin-mediated mitochondria-associated protein degradation (MAD); conserved in C. elegans and humans ER-associated protein catabolic process|mitochondria-associated protein catabolic process|nucleus-associated proteasomal ubiquitin-dependent protein catabolic process molecular_function cytosol|mitochondrion|endoplasmic reticulum membrane|Cdc48p-Npl4p-Vms1p AAA ATPase complex|cytoplasm YGL048C RPT6 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0927460169804937 7.44595758476493e-08 378 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 YDR034W-B_p YDR034W-B hom 0.0917413310897121 1.02895459461894e-07 379 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 YJR005C-A_p YJR005C-A hom 0.0908549469492139 1.36494738578479e-07 380 Putative protein of unknown function; originally identified as a syntenic homolog of an Ashbya gossypii gene; YJR005C-A has a paralog, YGR169C-A, that arose from the whole genome duplication biological_process molecular_function cellular_component YBR221W-A_p YBR221W-A hom 0.0907919890756648 1.39845130152653e-07 381 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YMR015C ERG5 hom FF|FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM 0.0906001059732083 1.4797486783673e-07 382 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 YJL086C_d YJL086C het FF 0.0884836122514516 2.91679702262753e-07 383 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 YDR493W MZM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0875367226850518 3.8408784595411e-07 384 Protein required for assembly of the cytochrome bc(1) complex; acts as a chaperone for Rip1p and facilitates its insertion into the complex at a late stage of assembly; localized to the mitochondrial matrix; null mutant exhibits a respiratory growth defect and reduced mitochondrial zinc levels, which is characteristic of mutations affecting bc(1) complex assembly; human LYRM7 is a functional ortholog mitochondrial respiratory chain complex III assembly molecular_function mitochondrion|mitochondrial matrix YPR107C YTH1 het FF|FT RNA PROCESSING|NUCLEUS 0.0872591277093957 4.26481078290537e-07 385 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 YDL159W-A_p YDL159W-A hom 0.0871846242424893 4.27734534472467e-07 386 Putative protein of unknown function; identified by sequence comparison with hemiascomycetous yeast species biological_process molecular_function cellular_component YER053C-A YER053C-A hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0865854893897901 5.13219486284063e-07 387 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; protein abundance increases in response to DNA replication stress biological_process molecular_function endoplasmic reticulum YDL193W NUS1 het FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0862043277869059 5.96343344676041e-07 388 Putative prenyltransferase, required for cell viability; proposed to be involved in protein trafficking because tet-repressible mutant shows accumulation of hypoglycosylated forms of CPY protein glycosylation prenyltransferase activity nuclear envelope|lipid particle|endoplasmic reticulum YLR436C ECM30 hom FT CELL WALL ORG/BIOGENESIS 0.0856105136421422 6.88595658523242e-07 389 Putative protein of unknown function; may play a role in cell wall biosynthesis, mutants have abormal relative levels of mannose and glucose and have Gap1p sorting and transport defects; (GFP)-fusion protein localizes to the cytoplasm fungal-type cell wall organization molecular_function cytoplasm YDL065C PEX19 hom FT PROTEIN LOCALIZATION|PEROXISOME ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0854277173197491 7.35698075582088e-07 390 Chaperone and import receptor for newly-synthesized class I PMPs; binds peroxisomal membrane proteins (PMPs) in the cytoplasm and delivers them to the peroxisome for subsequent insertion into the peroxisomal membrane; interacts with Myo2p and contributes to peroxisome partitioning protein stabilization|protein import into peroxisome membrane|peroxisome inheritance|ER-dependent peroxisome organization|protein exit from endoplasmic reticulum peroxisome membrane targeting sequence binding|protein binding cytosol|peroxisomal membrane|endoplasmic reticulum YOR316C-A_p YOR316C-A hom 0.0848625087752008 8.60951549979803e-07 391 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YMR175W-A_p YMR175W-A hom 0.0847769605315617 8.83126309914359e-07 392 Putative protein of unknown function biological_process molecular_function cellular_component YEL031W SPF1 hom FF|FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.0844899652828313 9.79662511726783e-07 393 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 YOL077W-A ATP19 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0844889271603437 9.61900182604464e-07 394 Subunit k of the mitochondrial F1F0 ATP synthase, which is a large enzyme complex required for ATP synthesis; associated only with the dimeric form of ATP synthase mitochondrial proton-transporting ATP synthase complex assembly|ATP synthesis coupled proton transport hydrogen ion transporting ATP synthase activity, rotational mechanism mitochondrion|mitochondrial proton-transporting ATP synthase complex|mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) YMR115W MGR3 hom FT PROTEOLYSIS|MITOCHONDRION 0.0843361150551727 1.00639457097067e-06 395 Subunit of the mitochondrial (mt) i-AAA protease supercomplex, which degrades misfolded mitochondrial proteins; forms a subcomplex with Mgr1p that binds to substrates to facilitate proteolysis; required for growth of cells lacking mtDNA misfolded or incompletely synthesized protein catabolic process misfolded protein binding mitochondrion|mitochondrial inner membrane|i-AAA complex YDR281C PHM6 hom 0.083655490079072 1.22978614525462e-06 396 Protein of unknown function, expression is regulated by phosphate levels biological_process molecular_function fungal-type vacuole YDR238C SEC26 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0828959285630854 1.53533280551577e-06 397 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 YHR155W YSP1 hom FF|FT MITOCHONDRION 0.0827778968731232 1.58892729676682e-06 398 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 YBR068C BAP2 hom FT PLASMA MEMBRANE 0.0825219561847222 1.71138561775326e-06 399 High-affinity leucine permease; functions as a branched-chain amino acid permease involved in uptake of leucine, isoleucine and valine; contains 12 predicted transmembrane domains; BAP2 has a paralog, BAP3, that arose from the whole genome duplication amino acid transport|transmembrane transport amino acid transmembrane transporter activity integral to membrane|plasma membrane YPL010W RET3 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0819961370712625 1.99203405488063e-06 400 Zeta 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 molecular_function COPI vesicle coat YPR159C-A_p YPR159C-A hom 0.0819847207376592 1.99859231573862e-06 401 Identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component 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 0.0819008522193486 2.04741125025544e-06 402 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 YDR323C PEP7 hom FF|FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT 0.0812030675464212 2.50043207869092e-06 403 Multivalent adaptor protein that facilitates vesicle-mediated vacuolar protein sorting by ensuring high-fidelity vesicle docking and fusion, which are essential for targeting of vesicles to the endosome; required for vacuole inheritance Golgi to vacuole transport|vacuole inheritance|vesicle fusion|vesicle docking involved in exocytosis|Golgi to endosome transport phosphatidylinositol-3-phosphate binding external side of endosome membrane|cytoplasm YLR188W MDL1 hom FT NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0805417739592596 3.01746220753566e-06 404 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 YDR239C YDR239C hom 0.0805229236582564 3.03360794565954e-06 405 Protein of unknown function that may interact with ribosomes, based on co-purification experiments biological_process molecular_function ribosome|cytoplasm YPL266W DIM1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0804867692641779 3.06480716600678e-06 406 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 YER175W-A_p YER175W-A hom 0.0800262476397643 3.49013195126097e-06 407 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YNL257C SIP3 hom FT TRANSCRIPTION FROM RNA POL II 0.0798890991781377 3.62736546489402e-06 408 Transcription cofactor; acts through interaction with DNA-bound Snf1p; C-terminal region has a putative leucine zipper motif; potential Cdc28p substrate; SIP3 has a paralog, YSP1, that arose from the whole genome duplication positive regulation of transcription from RNA polymerase II promoter transcription cofactor activity integral to membrane YGL098W USE1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0795117149991407 4.03219170223001e-06 409 Essential SNARE protein localized to the ER, involved in retrograde traffic from the Golgi to the ER; forms a complex with the SNAREs Sec22p, Sec20p and Ufe1p retrograde vesicle-mediated transport, Golgi to ER|vesicle fusion with endoplasmic reticulum SNAP receptor activity SNARE complex|integral to cytosolic side of endoplasmic reticulum membrane YDR003W-A_p YDR003W-A hom 0.0794747379779397 4.07410768087501e-06 410 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YHR194W MDM31 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|NUCLEUS|MITOCHONDRION 0.0787992659741299 4.91737735582685e-06 411 Mitochondrial protein that may have a role in phospholipid metabolism; inner membrane protein with similarity to Mdm32p; required for normal mitochondrial morphology and inheritance; interacts genetically with MMM1, MMM2, MDM10, MDM12, and MDM34 mitochondrion inheritance|cellular ion homeostasis|mitochondrion organization|Unknown molecular_function mitochondrial inner membrane|nucleus YKL028W TFA1 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|MITOCHONDRION|RNA POL II, HOLOENZYME 0.0779175732209712 6.27188342316391e-06 412 TFIIE large subunit, involved in recruitment of RNA polymerase II to the promoter, activation of TFIIH, and promoter opening transcriptional open complex formation at RNA polymerase II promoter|transcription from RNA polymerase II promoter single-stranded DNA binding|TFIIH-class transcription factor binding|RNA polymerase II core binding mitochondrion|transcription factor TFIIE complex YHR157W REC104 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0776459469417448 6.75658134205307e-06 413 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 YNL136W EAF7 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0770801456332275 7.88372021646288e-06 414 Subunit of the NuA4 histone acetyltransferase complex, which acetylates the N-terminal tails of histones H4 and H2A DNA repair|histone acetylation|regulation of transcription from RNA polymerase II promoter molecular_function histone acetyltransferase complex|nucleus|NuA4 histone acetyltransferase complex YLR355C ILV5 het FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0769632844347403 8.13792151589643e-06 415 Bifunctional acetohydroxyacid reductoisomerase and mtDNA binding protein; involved in branched-chain amino acid biosynthesis and maintenance of wild-type mitochondrial DNA; found in mitochondrial nucleoids mitochondrial genome maintenance|branched-chain amino acid biosynthetic process double-stranded DNA binding|ketol-acid reductoisomerase activity mitochondrial nucleoid|mitochondrion YOR043W WHI2 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION 0.0767432816191531 8.63788201593948e-06 416 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 YJR013W GPI14 het FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.07645270782837 9.34332509211722e-06 417 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 YIL054W_p YIL054W hom 0.0760932896845807 1.02921761778686e-05 418 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YJL001W PRE3 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0759846332919913 1.05966813776322e-05 419 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 YBR196C-B_p YBR196C-B hom 0.0757091108512499 1.14078450181667e-05 420 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component 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 0.0756158914600265 1.17659347719114e-05 421 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 YGR146C-A_p YGR146C-A hom 0.0755954672560546 1.17593954249406e-05 422 Putative protein of unknown function biological_process molecular_function cellular_component YJL141C YAK1 hom FT PROTEIN PHOSPHORYLATION|NUCLEUS 0.074729288851323 1.47995658477781e-05 423 Serine-threonine protein kinase; component of a glucose-sensing system that inhibits growth in response to glucose availability; upon nutrient deprivation Yak1p phosphorylates Pop2p to regulate mRNA deadenylation, the co-repressor Crf1p to inhibit transcription of ribosomal genes, and the stress-responsive transcription factors Hsf1p and Msn2p; nuclear localization negatively regulated by the Ras/PKA signaling pathway in the presence of glucose protein phosphorylation protein serine/threonine kinase activity|protein tyrosine kinase activity|protein kinase activity nucleus|cytoplasm YGL192W IME4 hom FT CELL CYCLE|NUCLEUS 0.0747171365006868 1.48471286429679e-05 424 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 YJL079C PRY1 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0746193231216814 1.52799767646655e-05 425 Sterol binding protein involved in the export of acetylated sterols; secreted glycoprotein and member of the CAP protein superfamily (cysteine-rich secretory proteins (CRISP), antigen 5, and pathogenesis related 1 proteins); sterol export function is redundant with that of PRY2; may be involved in detoxification of hydrophobic compounds; PRY1 has a paralog, PRY2, that arose from the whole genome duplication biological_process molecular_function nuclear envelope|extracellular region|endoplasmic reticulum|fungal-type vacuole YBR084W MIS1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.0744993592769811 1.57245850321868e-05 426 Mitochondrial C1-tetrahydrofolate synthase, involved in interconversion between different oxidation states of tetrahydrofolate (THF); provides activities of formyl-THF synthetase, methenyl-THF cyclohydrolase, and methylene-THF dehydrogenase nucleobase-containing compound metabolic process|folic acid biosynthetic process formate-tetrahydrofolate ligase activity|methylenetetrahydrofolate dehydrogenase (NADP+) activity|methenyltetrahydrofolate cyclohydrolase activity mitochondrion YIR008C PRI1 het FT NUCLEUS|CHROMOSOME 0.0743298754514455 1.64414254682367e-05 427 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 YOR199W_d YOR199W hom 0.073225071621782 2.22472561661211e-05 428 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YKL018C-A_p YKL018C-A hom 0.0731987527543815 2.20853961889813e-05 429 Putative protein of unknown function; identified by homology; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm biological_process molecular_function cytoplasm YDL183C YDL183C hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0730619996003911 2.32051430896999e-05 430 Mitochondrial inner-membrane protein thought to be involved in the formation of an active mitochondrial K+/H+ exchanger (KHE) system; non-essential gene potassium ion transport|proton transport molecular_function integral to mitochondrial inner membrane YBR056W-A_p YBR056W-A hom 0.0728282811133495 2.43046028424986e-05 431 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 YNL170W_d YNL170W hom 0.072806666647884 2.44404179349318e-05 432 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOL164W-A_p YOL164W-A hom 0.0725171280548303 2.64038605337585e-05 433 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YOR184W SER1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0719097811576461 3.13501779095967e-05 434 3-phosphoserine aminotransferase; catalyzes the formation of phosphoserine from 3-phosphohydroxypyruvate, required for serine and glycine biosynthesis; regulated by the general control of amino acid biosynthesis mediated by Gcn4p; protein abundance increases in response to DNA replication stress serine family amino acid biosynthetic process|L-serine biosynthetic process|purine nucleobase biosynthetic process O-phospho-L-serine:2-oxoglutarate aminotransferase activity cytoplasm YBR296C-A_p YBR296C-A hom 0.0718131848048581 3.15233072951673e-05 435 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YDR276C PMP3 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0714261442388726 3.60177099715859e-05 436 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 YGR090W UTP22 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0712439074953739 3.67134495440227e-05 437 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 YIL065C FIS1 hom FT MITOCHONDRION ORGANIZATION|PEROXISOME ORGANIZATION|MITOCHONDRION 0.0706261745774713 4.25456189913031e-05 438 Protein involved in mitochondrial membrane fission and peroxisome abundance; required for localization of Dnm1p and Mdv1p during mitochondrial division; mediates ethanol-induced apoptosis and ethanol-induced mitochondrial fragmentation peroxisome fission|mitochondrial fission|chronological cell aging|peroxisome organization molecular_function mitochondrial outer membrane|mitochondrion|peroxisome YMR010W_p YMR010W hom 0.0704097854551791 4.49137958363787e-05 439 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YMR010W is not an essential gene; YMR010W mRNA is transcribed with ADI1 biological_process molecular_function integral to membrane|cytoplasm YDR246W-A_p YDR246W-A hom 0.0704004565116053 4.50186511015092e-05 440 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YLR021W IRC25 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.0698295429236427 5.22992408386502e-05 441 Component of a heterodimeric Poc4p-Irc25p chaperone involved in assembly of alpha subunits into the 20S proteasome; may regulate formation of proteasome isoforms with alternative subunits under different conditions proteasome assembly|chaperone-mediated protein complex assembly|nuclear-transcribed mRNA catabolic process, non-stop decay molecular_function intracellular YDR088C SLU7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0697521956996262 5.3311120931224e-05 442 RNA splicing factor, required for ATP-independent portion of 2nd catalytic step of spliceosomal RNA splicing; interacts with Prp18p; contains zinc knuckle domain generation of catalytic spliceosome for second transesterification step second spliceosomal transesterification activity spliceosomal complex YLR307C-A_p YLR307C-A hom 0.0697510500985699 5.36014352235886e-05 443 Putative protein of unknown function biological_process molecular_function cellular_component YMR268C PRP24 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0694074028565531 5.7609342031547e-05 444 Splicing factor that reanneals U4 and U6 snRNPs during spliceosome recycling assembly of spliceosomal tri-snRNP|spliceosomal complex assembly U6 snRNA binding|snRNA binding U6 snRNP YBR004C GPI18 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0684412885911819 7.30053022667043e-05 445 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 YPL047W SGF11 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0683926772615145 7.38746265354985e-05 446 Integral subunit of SAGA histone acetyltransferase complex, regulates transcription of a subset of SAGA-regulated genes, required for the Ubp8p association with SAGA and for H2B deubiquitylation histone deubiquitination|regulation of transcription from RNA polymerase II promoter enzyme activator activity DUBm complex|nucleus|SAGA complex YLR182W SWI6 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.0680399030311487 8.12769255846312e-05 447 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 YER089C PTC2 hom FT CELL CYCLE|SIGNALING|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.067921855157538 8.28161668526479e-05 448 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 YDL040C NAT1 hom FT MITOCHONDRION|RIBOSOME 0.0679090128857814 8.30738239651314e-05 449 Subunit of the N-terminal acetyltransferase NatA (Nat1p, Ard1p, Nat5p); N-terminally acetylates many proteins, which influences multiple processes such as the cell cycle, heat-shock resistance, mating, sporulation, and telomeric silencing N-terminal protein amino acid acetylation peptide alpha-N-acetyltransferase activity mitochondrion|NatA complex|cytosolic ribosome YKR006C MRPL13 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0678830968809793 8.3596089826707e-05 450 Mitochondrial ribosomal protein of the large subunit, not essential for mitochondrial translation mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YML073C RPL6A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0678176550112735 8.5761435080109e-05 451 Ribosomal 60S subunit protein L6A; N-terminally acetylated; binds 5.8S rRNA; homologous to mammalian ribosomal protein L6, no bacterial homolog; RPL6A has a paralog, RPL6B, that arose from the whole genome duplication cytoplasmic translation|ribosomal large subunit assembly structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YDR069C DOA4 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|PROTEOLYSIS|MITOCHONDRION 0.0674550874481365 9.26829872386153e-05 452 Ubiquitin isopeptidase, required for recycling ubiquitin from proteasome-bound ubiquitinated intermediates, acts at the late endosome/prevacuolar compartment to recover ubiquitin from ubiquitinated membrane proteins en route to the vacuole protein deubiquitination|endocytosis|regulation of DNA replication|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|free ubiquitin chain depolymerization|ubiquitin homeostasis|ubiquitin-dependent protein catabolic process endopeptidase activity|ubiquitin-specific protease activity|ubiquitin thiolesterase activity endosome|proteasome complex|mitochondrion YKR079C TRZ1 het FT RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.0673592534170083 9.59903935717756e-05 453 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 YCL031C RRP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0672720102836357 9.68479059596263e-05 454 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 YHR086W-A_p YHR086W-A hom 0.0672569354525211 9.719860946206e-05 455 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YBR092C PHO3 hom 0.0670503826650257 0.000102126224344481 456 Constitutively expressed acid phosphatase similar to Pho5p; brought to the cell surface by transport vesicles; hydrolyzes thiamin phosphates in the periplasmic space, increasing cellular thiamin uptake; expression is repressed by thiamin phosphate-containing compound metabolic process|thiamine-containing compound metabolic process acid phosphatase activity cell wall-bounded periplasmic space YOR333C_d YOR333C hom 0.0667265882731585 0.000110327725086159 457 Dubious open reading frame, unlikely to encode a functional protein; overlaps 5' end of MRS2 gene required for respiratory growth Unknown Unknown Unknown YOR276W CAF20 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION 0.0664236819110545 0.000118559049039982 458 Phosphoprotein of the mRNA cap-binding complex involved in translational control, repressor of cap-dependent translation initiation, competes with eIF4G for binding to eIF4E negative regulation of translation|positive regulation of cytoplasmic mRNA processing body assembly translation regulator activity mRNA cap binding complex YIR012W SQT1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RIBOSOME 0.0663172208156309 0.000121587085373255 459 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 YBL008W-A_p YBL008W-A hom 0.0660741952714181 0.000130580847058527 460 Putative protein of unknown function; identified by fungal homology and RT-PCR 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 0.0659463304304966 0.00013271518190956 461 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 YBR221C PDB1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0659176690282768 0.000133613911933436 462 E1 beta subunit of the pyruvate dehydrogenase (PDH) complex, which is an evolutionarily-conserved multi-protein complex found in mitochondria acetyl-CoA biosynthetic process from pyruvate pyruvate dehydrogenase (acetyl-transferring) activity mitochondrial nucleoid|mitochondrion|mitochondrial pyruvate dehydrogenase complex YIL087C AIM19 hom FT MITOCHONDRION 0.0657674531156809 0.000138418697226341 463 Putative protein of unknown function; the authentic, non-tagged protein is detected in purified mitochondria in high-throughput studies; null mutant displays reduced respiratory growth biological_process molecular_function mitochondrion YDR393W SHE9 hom FT MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0657221502304864 0.000139899381937353 464 Mitochondrial inner membrane protein required for normal mitochondrial morphology, may be involved in fission of the inner membrane; forms a homo-oligomeric complex mitochondrion organization|inner mitochondrial membrane organization molecular_function mitochondrial inner membrane YOL086W-A MHF1 hom FT RESPONSE TO DNA DAMAGE 0.0656054067259905 0.000143784063385701 465 Component of the heterotetrameric MHF histone-fold complex; in humans the MMF complex interacts with both DNA and Mph1p ortholog FANCM, a Fanconi anemia complementation group protein, to stabilize and remodel blocked replication forks and repair damaged DNA; mhf1 srs2 double mutants are MMS hypersensitive; ortholog of human centromere constitutive-associated network (CCAN) subunit CENP-S, also known as MHF1 response to DNA damage stimulus molecular_function cellular_component YIL090W ICE2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.065499949739108 0.000147380259900122 466 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 YGR035W-A_p YGR035W-A hom 0.0651578974789372 0.000159635875382282 467 Putative protein of unknown function biological_process molecular_function cellular_component YLR359W ADE13 het FT NUCLEOTIDE METABOLISM 0.065042930060279 0.000163965997787202 468 Adenylosuccinate lyase, catalyzes two steps in the 'de novo' purine nucleotide biosynthetic pathway; expression is repressed by adenine and activated by Bas1p and Pho2p; mutations in human ortholog ADSL cause adenylosuccinase deficiency purine nucleotide biosynthetic process|'de novo' IMP biosynthetic process N6-(1,2-dicarboxyethyl)AMP AMP-lyase (fumarate-forming) activity cellular_component YGR193C PDX1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0648494323461703 0.000171888876037795 469 Dihydrolipoamide dehydrogenase (E3)-binding protein (E3BP) of the mitochondrial pyruvate dehydrogenase (PDH) complex, plays a structural role in the complex by binding and positioning E3 to the dihydrolipoamide acetyltransferase (E2) core acetyl-CoA biosynthetic process from pyruvate structural molecule activity mitochondrion|mitochondrial pyruvate dehydrogenase complex YER083C GET2 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0647639859126789 0.000174935677501713 470 Subunit of the GET complex; involved in insertion of proteins into the ER membrane; required for the retrieval of HDEL proteins from the Golgi to the ER in an ERD2 dependent fashion and for meiotic nuclear division retrograde vesicle-mediated transport, Golgi to ER|protein insertion into ER membrane protein anchor integral to membrane|endoplasmic reticulum|GET complex YOL051W GAL11 hom FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0645627235917287 0.000185322176492414 471 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 YOR109W INP53 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|CYTOSKELETON 0.0644442879932203 0.000188355425790751 472 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 YPL277C_p YPL277C hom 0.0640812325666371 0.00020702096228134 473 Putative protein of unknown function; localized to the membranes; gene expression regulated by copper levels biological_process molecular_function membrane YOL106W_d YOL106W hom 0.0640447003736305 0.000207849550109472 474 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL056C_p LCL1 hom FT PLASMA MEMBRANE 0.0638288263994179 0.000217428434761079 475 Putative protein of unknown function; deletion mutant is fluconazole resistant and has long chronological lifespan biological_process molecular_function cellular_component 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 0.0637660679766253 0.000220091252662928 476 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 YDR002W YRB1 het FT PROTEIN LOCALIZATION|CELL CYCLE|PROTEOLYSIS|RNA LOCALIZATION|NUCLEUS 0.0633532829040003 0.000247563861607328 477 Ran GTPase binding protein; involved in nuclear protein import and RNA export, ubiquitin-mediated protein degradation during the cell cycle; shuttles between the nucleus and cytoplasm; is essential; homolog of human RanBP1 RNA export from nucleus|protein import into nucleus|G1/S transition of mitotic cell cycle|ubiquitin-dependent protein catabolic process Ran GTPase binding nucleus|cytoplasm YGR082W TOM20 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|RNA LOCALIZATION|MITOCHONDRION 0.0633192489436601 0.000243670865029447 478 Component of the TOM (translocase of outer membrane) complex responsible for recognition and initial import steps for all mitochondrially directed proteins; acts as a receptor for incoming precursor proteins tRNA import into mitochondrion|protein import into mitochondrial matrix|mitochondrial outer membrane translocase complex assembly protein channel activity|mitochondrion targeting sequence binding mitochondrial outer membrane|mitochondrion|integral to membrane|integral to mitochondrial outer membrane|mitochondrial outer membrane translocase complex YPR064W_d YPR064W hom 0.0632945775478304 0.000245039480497276 479 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOL067C RTG1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|NUCLEUS 0.0631067533644711 0.000255697572304422 480 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 YIL097W FYV10 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.0631062855598283 0.000257910376115265 481 Subunit of GID complex; involved in proteasome-dependent catabolite inactivation of gluconeogenic enzymes FBPase, PEPCK, and c-MDH; forms dimer with Rmd5p that is then recruited to GID Complex by Gid8p; contains a degenerate RING finger motif needed for GID complex ubiquitin ligase activity in vivo, as well as CTLH and CRA domains; plays role in anti-apoptosis; required for survival upon exposure to K1 killer toxin negative regulation of gluconeogenesis|proteasomal ubiquitin-dependent protein catabolic process|anti-apoptosis ubiquitin-protein ligase activity nucleus|GID complex|cytoplasm YOL052C-A DDR2 hom 0.0630679500802272 0.000257952950036345 482 Multi-stress response protein; expression is activated by a variety of xenobiotic agents and environmental or physiological stresses; DDR2 has a paralog, HOR7, that arose from the whole genome duplication response to stress molecular_function fungal-type vacuole|cytoplasm YOR323C PRO2 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0630165021974022 0.000269985582786973 483 Gamma-glutamyl phosphate reductase, catalyzes the second step in proline biosynthesis proline biosynthetic process glutamate-5-semialdehyde dehydrogenase activity nucleus|cytoplasm YML114C TAF8 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.062811028824728 0.000273363024967283 484 TFIID subunit (65 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 YDR017C KCS1 hom 0.0627220192908143 0.000278899997068941 485 Inositol hexakisphosphate (IP6) and inositol heptakisphosphate (IP7) kinase; generation of high energy inositol pyrophosphates by Kcs1p is required for many processes such as vacuolar biogenesis, stress response and telomere maintenance inositol phosphate biosynthetic process inositol heptakisphosphate kinase activity|inositol hexakisphosphate kinase activity|inositol-1,3,4,5,6-pentakisphosphate kinase activity|inositol heptakisphosphate 5-kinase activity cytoplasm YER099C PRS2 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM 0.0624935285517481 0.000298545939215201 486 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 YBR212W NGR1 hom FT MITOCHONDRION ORGANIZATION 0.0624702470115467 0.000295136034353485 487 RNA binding protein that negatively regulates growth rate; interacts with the 3' UTR of the mitochondrial porin (POR1) mRNA and enhances its degradation; overexpression impairs mitochondrial function; interacts with Dhh1p to mediate POR1 mRNA decay; expressed in stationary phase 3'-UTR-mediated mRNA destabilization|mitochondrion organization mRNA binding cytoplasmic mRNA processing body|cytoplasmic stress granule|perinuclear region of cytoplasm|cytoplasm YJL072C PSF2 het FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.062304471141142 0.000306941910970178 488 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|nuclear replication fork|nucleus|DNA replication preinitiation complex YLR044C PDC1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0622792331841644 0.00030803979636004 489 Major of three pyruvate decarboxylase isozymes, key enzyme in alcoholic fermentation, decarboxylates pyruvate to acetaldehyde; subject to glucose-, ethanol-, and autoregulation; involved in amino acid catabolism L-phenylalanine catabolic process|pyruvate metabolic process|glucose catabolic process to ethanol|tryptophan catabolic process|aromatic amino acid family catabolic process to alcohol via Ehrlich pathway pyruvate decarboxylase activity cytosol|nucleus|cytoplasm YDL108W KIN28 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.0621007530965616 0.000321234678642544 490 Serine/threonine protein kinase, subunit of the transcription factor TFIIH; involved in transcription initiation at RNA polymerase II promoters phosphorylation of RNA polymerase II C-terminal domain|transcription from RNA polymerase I promoter|protein phosphorylation|transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter core RNA polymerase binding transcription factor activity|RNA polymerase II carboxy-terminal domain kinase activity|cyclin-dependent protein kinase activating kinase activity|protein kinase activity TFIIK complex|holo TFIIH complex YMR311C GLC8 hom FT SIGNALING|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|CHROMOSOME SEGREGATION|NUCLEUS 0.0620010734842909 0.000327777649309451 491 Regulatory subunit of protein phosphatase 1 (Glc7p); involved in glycogen metabolism and chromosome segregation; proposed to regulate Glc7p activity via conformational alteration; ortholog of the mammalian protein phosphatase inhibitor 2; protein abundance increases in response to DNA replication stress chromosome segregation|glycogen biosynthetic process enzyme activator activity nucleus|cytoplasm YPL170W DAP1 hom FT LIPID METABOLISM 0.0615641960836757 0.000361180990383087 492 Heme-binding protein involved in regulation of cytochrome P450 protein Erg11p; damage response protein, related to mammalian membrane progesterone receptors; mutations lead to defects in telomeres, mitochondria, and sterol synthesis regulation of ergosterol biosynthetic process heme binding endosome|membrane YFL013W-A_d YFL013W-A hom 0.061358328962199 0.00038961770768562 493 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 YOR157C PUP1 het FF|FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0613054187500989 0.00039022326900175 494 Beta 2 subunit of the 20S proteasome; endopeptidase with trypsin-like activity that cleaves after basic residues; synthesized as a proprotein before being proteolytically processed for assembly into 20S particle; human homolog is subunit Z proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process endopeptidase activity proteasome storage granule|nucleus|endoplasmic reticulum membrane|proteasome core complex, beta-subunit complex YOR034C-A_p YOR034C-A hom 0.0611430168145258 0.000397168800500986 495 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YPR134W MSS18 hom FT RNA PROCESSING|MITOCHONDRION 0.0610620739161128 0.000404301115848251 496 Nuclear encoded protein needed for efficient splicing of mitochondrial COX1 aI5beta intron; mss18 mutations block cleavage of 5' exon - intron junction; phenotype of intronless strain suggests additional functions Group I intron splicing molecular_function mitochondrion YMR113W FOL3 het FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM 0.0610312236409688 0.000406238576214172 497 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 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 0.0609186270518171 0.000420571090116663 498 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 YPL254W HFI1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0608843839773922 0.000419544783825417 499 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 YGR114C_d YGR114C het FF 0.0608841180454677 0.000431414614376247 500 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 YJR007W SUI2 het FF|FT TRANSLATION|RIBOSOME 0.0608426949418128 0.000425926025447842 501 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 YDR537C_d YDR537C hom 0.0607229412566225 0.000434643225174031 502 Dubious open reading frame unlikely to encode a protein, almost completely overlaps verified ORF PAD1/YDR538W Unknown Unknown Unknown YEL062W NPR2 hom FT SIGNALING|RESPONSE TO NUTRIENT LEVELS 0.0600997179797846 0.000500720566900167 503 Subunit of SEA (Seh1-associated), Npr2/3, and Iml1p complexes; Npr2/3 complex mediates downregulation of TORC1 activity upon amino acid limitation; SEA complex is a coatomer-related complex that associates dynamically with the vacuole; Iml1p complex (Iml1p-Npr2p-Npr3p) is required for non-nitrogen-starvation (NNS)-induced autophagy; Iml1p interacts primarily with phosphorylated Npr2p; homolog of human NPRL2; target of Grr1p; required for growth on urea and proline proline transport|urea transport|regulation of TOR signaling cascade|cellular response to amino acid starvation|response to drug|cellular response to nitrogen starvation molecular_function Seh1-associated complex|extrinsic to fungal-type vacuolar membrane YLR342W-A_p YLR342W-A hom 0.0599449921199096 0.000514772258619335 504 Putative protein of unknown function biological_process molecular_function cellular_component YJL155C FBP26 hom FT CARBOHYDRATE METABOLISM 0.0598315180612493 0.000529583711710215 505 Fructose-2,6-bisphosphatase, required for glucose metabolism; protein abundance increases in response to DNA replication stress glucose metabolic process 6-phosphofructo-2-kinase activity|fructose-2,6-bisphosphate 2-phosphatase activity cytosol YDL217C TIM22 het FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0597667382131876 0.000534975725574753 506 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 YDR320C SWA2 hom FF|FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|NUCLEOTIDE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0594529349532251 0.000572347146569339 507 Auxilin-like protein involved in vesicular transport; clathrin-binding protein required for uncoating of clathrin-coated vesicles positive regulation of ATPase activity|endoplasmic reticulum inheritance|clathrin coat disassembly ubiquitin binding|clathrin binding endoplasmic reticulum membrane YNL236W SIN4 hom FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0592154149871422 0.00061255051761996 508 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; contributes to both postive and negative transcriptional regulation; dispensible for basal transcription 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 activating transcription factor binding core mediator complex YLR181C VTA1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|VACUOLAR TRANSPORT 0.0588247343108708 0.000654569745585483 509 Multivesicular body (MVB) protein involved in endosomal protein sorting; regulates Vps4p activity by promoting its oligomerization; has an N-terminal Vps60- and Did2- binding domain, a linker region, and a C-terminal Vps4p binding domain late endosome to vacuole transport via multivesicular body sorting pathway|positive regulation of protein oligomerization|late endosome to vacuole transport ATPase activator activity endosome|endosome membrane|multivesicular body YAL012W CYS3 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0588187149396964 0.000665252356086742 510 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 YHR022C-A_p YHR022C-A hom 0.0585824116505076 0.000689123701405689 511 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YBL039W-B_p YBL039W-B hom 0.0585243938952068 0.00069764446652864 512 Putative protein of unknown function biological_process molecular_function cellular_component YAL016C-B_d YAL016C-B hom 0.0583886219599015 0.000717968534124688 513 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL074C BRE1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0583554277604506 0.000723020426604773 514 E3 ubiquitin ligase, forms heterodimer with Rad6p to monoubiquinate histone H2B-K123, which is required for the subsequent methylation of histone H3-K4 and H3-K79; required for DSBR, transcription, silencing, and checkpoint control mitotic cell cycle G1/S transition DNA damage checkpoint|intra-S DNA damage checkpoint|meiotic DNA double-strand break formation|histone monoubiquitination|double-strand break repair via homologous recombination|transcription from RNA polymerase II promoter|chromatin silencing at telomere ubiquitin-protein ligase activity nuclear chromatin YBR298C MAL31 hom FT CARBOHYDRATE METABOLISM 0.0582192485920385 0.00075505502774055 515 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 YOL005C RPB11 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0581592788036608 0.000754928831174106 516 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 YDL051W LHP1 hom FT RNA PROCESSING|NUCLEUS 0.0581138616805914 0.000760790993854651 517 RNA binding protein required for maturation of tRNA and U6 snRNA precursors; acts as a molecular chaperone for RNAs transcribed by polymerase III; homologous to human La (SS-B) autoantigen tRNA processing RNA binding|tRNA binding nucleoplasm|nucleolus|nucleus YDL160C-A MHF2 hom FT RESPONSE TO DNA DAMAGE 0.0579947966393577 0.000780073992728035 518 Component of the heterotetrameric MHF histone-fold complex; in humans the MMF complex interacts with both DNA and Mph1p ortholog FANCM to stabilize and remodel blocked replication forks and repair damaged DNA; mhf2 srs2 double mutants are MMS hypersensitive; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-X, also known as MHF2 response to DNA damage stimulus molecular_function cellular_component YML058W-A HUG1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0578632042083429 0.000801912844425339 519 Protein involved in the Mec1p-mediated checkpoint pathway; transcription is induced by DNA damage; protein abundance increases in response to DNA replication stress cell cycle arrest|cell cycle checkpoint|response to DNA damage stimulus molecular_function cytoplasm YFR007W YFH7 hom 0.0574460321012132 0.000881212730647121 520 Putative kinase with similarity to the phosphoribulokinase/uridine kinase/bacterial pantothenate kinase (PRK/URK/PANK) subfamily of P-loop kinases phosphorylation ATPase activity|kinase activity cellular_component YHR184W SSP1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION 0.0573954703169705 0.000885785865431342 521 Protein involved in the control of meiotic nuclear division and coordination of meiosis with spore formation; transcription is induced midway through meiosis ascospore wall assembly|protein complex assembly molecular_function prospore membrane YAR035C-A_p YAR035C-A hom 0.0573906689734565 0.000885094802319387 522 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 YGR167W CLC1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS|PLASMA MEMBRANE 0.057270810710132 0.000912267571113483 523 Clathrin light chain; subunit of the major coat protein involved in intracellular protein transport and endocytosis; thought to regulate clathrin function; two Clathrin heavy chains (CHC1) form the clathrin triskelion structural component; YGR167W endocytosis|vesicle-mediated transport structural molecule activity clathrin vesicle coat YHR065C RRP3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0569532144896302 0.000969160099259146 524 Protein involved in rRNA processing; required for maturation of the 35S primary transcript of pre-rRNA and for cleavage leading to mature 18S rRNA; homologous to eIF-4a, which is a DEAD box RNA-dependent ATPase with helicase activity maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) RNA-dependent ATPase activity|ATP-dependent RNA helicase activity nucleolus YJR063W RPA12 hom FF|FT NUCLEUS 0.0568335022574221 0.000993420568579769 525 RNA polymerase I subunit A12.2; contains two zinc binding domains, and the N terminal domain is responsible for anchoring to the RNA pol I complex termination of RNA polymerase I transcription|transcription of nuclear large rRNA transcript from RNA polymerase I promoter molecular_function DNA-directed RNA polymerase I complex YOR018W ROD1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|PLASMA MEMBRANE 0.0563349817922067 0.0011006154974548 526 Membrane protein, binds the ubiquitin ligase Rsp5p via its 2 PY motifs; overexpression confers resistance to the GST substrate o-dinitrobenzene, zinc, and calcium; proposed to regulate the endocytosis of plasma membrane proteins; protein abundance increases in response to DNA replication stress; ROD1 has a paralog, ROG3, that arose from the whole genome duplication response to drug|ubiquitin-dependent endocytosis ubiquitin protein ligase binding plasma membrane YEL054C RPL12A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0562885298510581 0.00111113007792187 527 Ribosomal 60S subunit protein L12A; rpl12a rpl12b double mutant exhibits slow growth and slow translation; homologous to mammalian ribosomal protein L12 and bacterial L11; RPL12A has a paralog, RPL12B, that arose from the whole genome duplication cytoplasmic translation|ribosomal large subunit assembly structural constituent of ribosome cytosolic large ribosomal subunit YHR202W_p YHR202W hom FT NUCLEOTIDE METABOLISM 0.0556630978581767 0.00126203816135448 528 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the vacuole, while HA-tagged protein is found in the soluble fraction, suggesting cytoplasmic localization biological_process molecular_function cytosol|fungal-type vacuole YKR106W GEX2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0549214844235584 0.00146540197579954 529 Proton:glutathione antiporter localized to the vacuolar and plasma membranes; expressed at a very low level; almost identical to paralog Gex1p; potential role in resistance to oxidative stress and modulation of the PKA pathway glutathione transmembrane transport solute:hydrogen antiporter activity integral to membrane|plasma membrane|vacuolar membrane YNL162W-A_p YNL162W-A hom FT NUCLEUS 0.0548944445952878 0.00148304051605119 530 Putative protein of unknown function; identified by homology biological_process molecular_function nucleus|cytoplasm YKL193C SDS22 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS 0.0548682293854459 0.00148596337762996 531 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 YMR135C GID8 hom FT KETONE METABOLISM|CELL CYCLE|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.0548452107412972 0.0014879459115987 532 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 YGL252C RTG2 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|SIGNALING|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.054725001915286 0.00152412477094257 533 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 YPR065W ROX1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|CHROMOSOME 0.0546786904953461 0.00153827778910574 534 Heme-dependent repressor of hypoxic genes; mediates aerobic transcriptional repression of hypoxia induced genes such as COX5b and CYC7; repressor function regulated through decreased promoter occupancy in response to oxidative stress; contains an HMG domain that is responsible for DNA bending activity; involved in the hyperosmotic stress resistance negative regulation of transcription from RNA polymerase II promoter|negative regulation of transcription from RNA polymerase II promoter in response to stress RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in negative regulation of transcription|DNA binding, bending|sequence-specific DNA binding|RNA polymerase II transcription factor recruiting transcription factor activity nuclear chromatin YER048W-A ISD11 het FT COFACTOR METABOLISM|MITOCHONDRION 0.0546284485096364 0.00155376876362727 535 Cysteine desulfurase (Nfs1p) activator; essential for the formation of the persulfide intermediate at the desulfurase active site during pyridoxal phosphate-dependent desulfuration of cysteine; required for mitochondrial iron-sulfur cluster biosynthesis iron-sulfur cluster assembly enzyme activator activity extrinsic to mitochondrial inner membrane|mitochondrion|mitochondrial matrix YDL189W RBS1 hom FT CARBOHYDRATE METABOLISM 0.0546051408045626 0.00156100381144311 536 Protein of unknown function, identified as a high copy suppressor of psk1 psk2 mutations that confer temperature-sensitivity for galactose utilization; proposed to bind single-stranded nucleic acids via its R3H domain galactose metabolic process molecular_function cytoplasm YIL046W-A_p YIL046W-A hom 0.0545400331907402 0.00158137875952522 537 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YKR036C CAF4 hom FT TRANSCRIPTION FROM RNA POL II|MITOCHONDRION ORGANIZATION|PEROXISOME ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0543881572929209 0.00162986206898668 538 WD40 repeat-containing protein associated with the CCR4-NOT complex; interacts in a Ccr4p-dependent manner with Ssn2p; also interacts with Fis1p, Mdv1p and Dnm1p and plays a role in mitochondrial fission; CAF4 has a paralog, MDV1, that arose from the whole genome duplication peroxisome fission|mitochondrial fission|regulation of transcription from RNA polymerase II promoter molecular_function mitochondrion|CCR4-NOT complex YIL061C SNP1 het FT RNA PROCESSING|NUCLEUS 0.0543533184036609 0.00164117478151856 539 Component of U1 snRNP required for mRNA splicing via spliceosome; substrate of the arginine methyltransferase Hmt1p; may interact with poly(A) polymerase to regulate polyadenylation; homolog of human U1 70K protein; protein abundance increases in response to DNA replication stress mRNA splicing, via spliceosome mRNA binding|U1 snRNA binding commitment complex|U1 snRNP|U2-type prespliceosome YER021W RPN3 het FT PROTEOLYSIS 0.0539834290388106 0.00176581767165236 540 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 YHR206W SKN7 hom FF|FT TRANSCRIPTION FROM RNA POL II|SIGNALING|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0538572487519476 0.00181601962937977 541 Nuclear response regulator and transcription factor; physically interacts with the Tup1-Cyc8 complex and recruits Tup1p to its targets; part of a branched two-component signaling system; required for optimal induction of heat-shock genes in response to oxidative stress; involved in osmoregulation; SKN7 has a paralog, HMS2, that arose from the whole genome duplication response to singlet oxygen|regulation of transcription from RNA polymerase II promoter in response to oxidative stress|transcription, DNA-dependent|response to osmotic stress|regulation of cell size sequence-specific DNA binding|two-component response regulator activity|sequence-specific DNA binding transcription factor activity nucleus YLL018C DPS1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION|NUCLEUS 0.0537897758309439 0.00184318678324571 542 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 YNL130C-A_p DGR1 hom FT MITOCHONDRION 0.0535385823990477 0.00192721798006222 543 Protein of unknown function; dgr1 null mutant is resistant to 2-deoxy-D-glucose biological_process molecular_function cellular_component YBR013C_p YBR013C hom 0.0533178272856892 0.00201224215152249 544 Putative protein of unknown function, haploid deletion mutant exhibits synthetic phenotype with alpha-synuclein biological_process molecular_function cellular_component YBR290W BSD2 hom FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|PROTEOLYSIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM 0.0532467092257321 0.00204035767279038 545 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 YLL039C UBI4 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0531815243384 0.00206644357515724 546 Ubiquitin; becomes conjugated to proteins, marking them for selective degradation via the ubiquitin-26S proteasome system; essential for the cellular stress response; encoded as a polyubiquitin precursor comprised of 5 head-to-tail repeats; protein abundance increases in response to DNA replication stress protein deubiquitination|ascospore formation|protein monoubiquitination|protein polyubiquitination|protein ubiquitination|response to stress ATP-dependent protein binding|protein tag cytoplasm YDL023C_d YDL023C hom 0.0530886960452851 0.00210411996169453 547 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 YGL251C HFM1 hom FT CELL CYCLE|NUCLEUS 0.0530693649741621 0.00211204469201206 548 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 YCR047C BUD23 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|CELL DIVISION|NUCLEUS 0.0528745990318138 0.00219342887196468 549 Methyltransferase, methylates residue G1575 of 18S rRNA; required for rRNA processing and nuclear export of 40S ribosomal subunits independently of methylation activity; diploid mutant displays random budding pattern 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 (guanine-N7)-methylation|cellular bud site selection|ribosomal small subunit export from nucleus S-adenosylmethionine-dependent methyltransferase activity|rRNA (guanine) methyltransferase activity nucleolus|nucleus|cytoplasm YJL193W_p YJL193W hom 0.0527944946642415 0.00224475608180702 550 Putative protein of unknown function, predicted to encode a triose phosphate transporter subfamily member based on phylogenetic analysis; similar to YOR307C/SLY41; deletion mutant has a respiratory growth defect biological_process molecular_function integral to membrane YNL006W LST8 het FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS|PLASMA MEMBRANE 0.0526057874101608 0.0023104761400377 551 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 YER019W ISC1 hom FT LIPID METABOLISM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0522621529346835 0.0024721179089474 552 Mitochondrial membrane localized inositol phosphosphingolipid phospholipase C, hydrolyzes complex sphingolipids to produce ceramide; activated by phosphatidylserine, cardiolipin, and phosphatidylglycerol; mediates Na+ and Li+ halotolerance response to salt stress|ceramide biosynthetic process|sphingolipid catabolic process inositol phosphosphingolipid phospholipase activity mitochondrion|endoplasmic reticulum|integral to mitochondrial outer membrane YIL127C_p RRT14 hom FT NUCLEUS 0.052057624252 0.00259386662265346 553 Putative protein of unknown function; identified in a screen for mutants with decreased levels of rDNA transcription; green fluorescent protein (GFP)-fusion protein localizes to the nucleolus; predicted to be involved in ribosome biogenesis biological_process molecular_function nucleolus YFL013C IES1 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0518576581905434 0.00269859195358275 554 Subunit of the INO80 chromatin remodeling complex nucleosome mobilization molecular_function nucleus|Ino80 complex YDR460W TFB3 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.0517152092080115 0.00274431438609131 555 Subunit of TFIIH and nucleotide excision repair factor 3 complexes, involved in transcription initiation, required for nucleotide excision repair; ring finger protein similar to mammalian CAK and TFIIH subunit phosphorylation of RNA polymerase II C-terminal domain|nucleotide-excision repair|transcription from RNA polymerase II promoter core RNA polymerase binding transcription factor activity holo TFIIH complex|TFIIK complex YPL110C GDE1 hom FT LIPID METABOLISM|SIGNALING|CARBOHYDRATE METABOLISM 0.0515607978219965 0.00282185155834423 556 Glycerophosphocholine (GroPCho) phosphodiesterase; hydrolyzes GroPCho to choline and glycerolphosphate, for use as a phosphate source and as a precursor for phosphocholine synthesis; may interact with ribosomes glycerophospholipid catabolic process glycerophosphocholine phosphodiesterase activity ribosome|cytoplasm YLL025W PAU17 hom 0.0515092393071192 0.00286620594124034 557 Protein of unknown function, member of the seripauperin multigene family encoded mainly in subtelomeric regions; YLL025W is not an essential gene biological_process molecular_function cellular_component YGR270W YTA7 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0514342385301348 0.00289034282476195 558 Protein that localizes to chromatin and has a role in regulation of histone gene expression; has a bromodomain-like region that interacts with the N-terminal tail of histone H3, and an ATPase domain; potentially phosphorylated by Cdc28p negative regulation of transcription from RNA polymerase II promoter|negative regulation of chromatin silencing|positive regulation of transcription from RNA polymerase II promoter chromatin binding|histone binding extrinsic to endoplasmic reticulum membrane|nucleus YGL041C-B_p YGL041C-B hom 0.0512714907239646 0.0029806473198552 559 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YOL145C CTR9 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|GENE SILENCING|NUCLEUS|CHROMOSOME|RNA POL II, HOLOENZYME 0.0512510238358905 0.00299218418258377 560 Component of the Paf1p complex involved in transcription elongation; binds to and modulates the activity of RNA polymerases I and II; required for expression of a subset of genes, including cyclin genes; involved in SER3 repression by helping to maintain SRG1 transcription-dependent nucleosome occupancy; contains TPR repeats transcription elongation from RNA polymerase I promoter|mRNA 3'-end processing|regulation of chromatin silencing at telomere|snoRNA transcription from an RNA polymerase II promoter|regulation of transcription by chromatin organization|transcription from RNA polymerase I promoter|regulation of histone H3-K4 methylation|regulation of transcription-coupled nucleotide-excision repair|regulation of transcription initiation from RNA polymerase II promoter|snoRNA 3'-end processing|Unknown|regulation of transcription involved in G1 phase of mitotic cell cycle|transcription elongation from RNA polymerase II promoter RNA polymerase II core binding|triplex DNA binding|RNA polymerase II transcription factor binding transcription factor activity transcriptionally active chromatin|nucleus|Cdc73/Paf1 complex YER088C DOT6 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0509967291427917 0.00313896165309101 561 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 YMR127C SAS2 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0508586212258225 0.00322139787419576 562 Histone acetyltransferase (HAT) catalytic subunit of the SAS complex (Sas2p-Sas4p-Sas5p), which acetylates free histones and nucleosomes and regulates transcriptional silencing; member of the MYSTacetyltransferase family histone acetylation|histone exchange|chromatin silencing at telomere acetyltransferase activity|histone acetyltransferase activity nuclear chromatin|SAS acetyltransferase complex|nuclear chromosome, telomeric region YGL185C_p YGL185C hom FT OXIDATION-REDUCTION PROCESS 0.0507250974522681 0.00332640797005826 563 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 YML091C RPM2 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|TRANSLATION|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0507121510582121 0.00331097598792711 564 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 YBL005W PDR3 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0506956981442355 0.00332117865124071 565 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 YJR104C SOD1 hom FF|FT ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.0506936424075197 0.0033271522005574 566 Cytosolic copper-zinc superoxide dismutase; some mutations are analogous to those that cause ALS (amyotrophic lateral sclerosis) in humans; protein abundance increases in response to DNA replication stress and in response to prolonged exposure to boric acid cellular copper ion homeostasis|fungal-type cell wall organization|superoxide metabolic process|cellular zinc ion homeostasis|positive regulation of sequence-specific DNA binding transcription factor activity|age-dependent response to reactive oxygen species involved in chronological cell aging superoxide dismutase activity cytosol|mitochondrion|nucleus|mitochondrial intermembrane space YLR412C-A_p YLR412C-A hom 0.0504816067820504 0.0034565740672116 567 Putative protein of unknown function biological_process molecular_function cellular_component YGL025C PGD1 hom FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0503690934937064 0.00355444966305375 568 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 YGL134W PCL10 hom FT CELL CYCLE|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.050341051045408 0.00354817480675807 569 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 YOL071W EMI5 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0502749903242505 0.00359198476035305 570 Subunit of succinate dehydrogenase, which couples succinate oxidation to ubiquinone reduction; required for FAD cofactor attachment to Sdh1p; mutations in human ortholog PGL2 are associated with neuroendocrine tumors (paraganglioma) protein-FAD linkage|cellular respiration|mitochondrial electron transport, succinate to ubiquinone|ascospore formation|tricarboxylic acid cycle|positive regulation of transcription from RNA polymerase II promoter succinate dehydrogenase (ubiquinone) activity mitochondrial respiratory chain complex II|mitochondrion|mitochondrial matrix YGL194C HOS2 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|SIGNALING|NUCLEUS|CHROMOSOME 0.0502374721177469 0.00361708439046563 571 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 YHR079C IRE1 hom FF|FT RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0501287144022823 0.00369074676258839 572 Serine-threonine kinase and endoribonuclease; transmembrane protein that mediates the unfolded protein response (UPR) by regulating Hac1p synthesis through HAC1 mRNA splicing; Kar2p binds inactive Ire1p and releases from it upon ER stress endoplasmic reticulum unfolded protein response|fungal-type cell wall organization|inositol metabolic process|protein phosphorylation unfolded protein binding|protein serine/threonine kinase activity|endoribonuclease activity|protein kinase activity|protein homodimerization activity nucleus YPR133W-A TOM5 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0499527801051467 0.00382855711520357 573 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 YOR093C_p YOR093C hom FT NUCLEUS 0.0497681766680052 0.00395018653440755 574 Putative protein of unknown function; deletion causes sensitivity to unfolded protein response-inducing agents biological_process molecular_function integral to membrane YDR463W STP1 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS|PLASMA MEMBRANE 0.0497311627929279 0.0039989291105398 575 Transcription factor; undergoes proteolytic processing by SPS (Ssy1p-Ptr3p-Ssy5p)-sensor component Ssy5p in response to extracellular amino acids; activates transcription of amino acid permease genes and may have a role in tRNA processing; STP1 has a paralog, STP2, that arose from the whole genome duplication positive regulation of transcription, DNA-dependent|tRNA splicing, via endonucleolytic cleavage and ligation|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 plasma membrane|nucleus|cytoplasm YLR163C MAS1 het FF|FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0496112477253389 0.00410459153157465 576 Smaller 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 YHR098C SFB3 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|SITE OF POLARIZED GROWTH 0.0495742584382011 0.00408790953324952 577 Component of the Sec23p-Sfb3p heterodimer of the COPII vesicle coat, required for cargo selection during vesicle formation in ER to Golgi transport; homologous to Sec24p and Sfb2p cargo loading into COPII-coated vesicle signal sequence binding COPII vesicle coat|mating projection tip YPL214C THI6 hom 0.0494477759683133 0.00420641772758965 578 Bifunctional enzyme with thiamine-phosphate pyrophosphorylase and 4-methyl-5-beta-hydroxyethylthiazole kinase activities, required for thiamine biosynthesis; GFP-fusion protein localizes to the cytoplasm in a punctate pattern thiamine biosynthetic process hydroxyethylthiazole kinase activity|thiamine-phosphate diphosphorylase activity cytosol|cytoplasm YDR092W UBC13 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0493931882537664 0.00422577590238004 579 Ubiquitin-conjugating enzyme involved in the error-free DNA postreplication repair pathway; interacts with Mms2p to assemble ubiquitin chains at the Ub Lys-63 residue; DNA damage triggers redistribution from the cytoplasm to the nucleus postreplication repair|protein monoubiquitination|protein polyubiquitination|free ubiquitin chain polymerization ubiquitin-protein ligase activity ubiquitin conjugating enzyme complex|nucleus|cytoplasm YBR008C FLR1 hom FT PLASMA MEMBRANE 0.0492483961861945 0.00433903854270937 580 Plasma membrane transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; involved in efflux of fluconazole, diazaborine, benomyl, methotrexate, and other drugs; expression induced in cells treated with the mycotoxin patulin; relocalizes from nucleus to plasma membrane upon DNA replication stress drug transmembrane transport|transmembrane transport fluconazole transporter activity|drug transmembrane transporter activity integral to membrane|plasma membrane YPR019W MCM4 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0491283521675612 0.00443502033136248 581 Essential helicase component of heterohexameric MCM2-7 complexes which bind pre-replication complexes on DNA and melt DNA prior to replication; forms an Mcm4p-6p-7p subcomplex; shows nuclear accumulation in G1; homolog of S. pombe Cdc21p S phase of mitotic cell cycle|DNA strand elongation involved in DNA replication|DNA unwinding involved in replication|double-strand break repair via break-induced replication|DNA replication initiation|pre-replicative complex assembly four-way junction helicase activity|DNA helicase activity|DNA replication origin binding|single-stranded DNA-dependent ATPase activity|single-stranded DNA binding|ATP-dependent 3'-5' DNA helicase activity replication fork protection complex|nuclear replication fork|DNA replication preinitiation complex|nucleus|pre-replicative complex|cytoplasm|MCM complex YDR516C EMI2 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0489972725996111 0.00458440107064012 582 Non-essential protein of unknown function; required for transcriptional induction of the early meiotic-specific transcription factor IME1; required for sporulation; expression regulated by glucose-repression transcription factors Mig1/2p; EMI2 has a paralog, GLK1, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress ascospore formation|positive regulation of transcription from RNA polymerase II promoter molecular_function cytoplasm YJR148W BAT2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.04892231179889 0.00461034914835693 583 Cytosolic branched-chain amino acid (BCAA) aminotransferase, preferentially involved in BCAA catabolism; homolog of murine ECA39; highly expressed during stationary phase and repressed during logarithmic phase branched-chain amino acid catabolic process|branched-chain amino acid biosynthetic process branched-chain-amino-acid transaminase activity nucleus|cytoplasm YNL119W NCS2 hom FT RNA PROCESSING 0.0488811071239291 0.00469427453700362 584 Protein required for thiolation of the uridine at the wobble position of Lys(UUU) and Glu(UUC) tRNAs; has a role in urmylation and in invasive and pseudohyphal growth; inhibits replication of Brome mosaic virus in S. cerevisiae tRNA wobble position uridine thiolation|pseudohyphal growth|protein urmylation|invasive growth in response to glucose limitation molecular_function cytosol|cytoplasm YGR157W CHO2 hom FT LIPID METABOLISM 0.0488774579370459 0.00469737356623565 585 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 YNL241C ZWF1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS 0.0487998427617961 0.00470759366903827 586 Glucose-6-phosphate dehydrogenase (G6PD); catalyzes the first step of the pentose phosphate pathway; involved in adapting to oxidatve stress; homolog of the human G6PD which is deficient in patients with hemolytic anemia; protein abundance increases in response to DNA replication stress NADPH regeneration|response to hydrogen peroxide|pentose-phosphate shunt, oxidative branch|carbon catabolite repression of transcription glucose-6-phosphate dehydrogenase activity cytoplasm YDR139C RUB1 hom 0.0485964240834926 0.00488388554088117 587 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 YEL043W YEL043W hom FT ENDOPLASMIC RETICULUM 0.0485657865986955 0.00491094855392119 588 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 YNL082W PMS1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0485567493714249 0.00491895726443027 589 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 YOL020W TAT2 hom FT PLASMA MEMBRANE 0.0484673717750544 0.00501181995536741 590 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 YIL002W-A_p YIL002W-A hom 0.0484028289785334 0.00505718558182711 591 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YBR072W HSP26 hom FT NUCLEUS 0.0483498232076164 0.00510559389642366 592 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 YGL250W RMR1 hom FT CELL CYCLE|NUCLEUS 0.0482147158053123 0.00523088184850058 593 Protein required for meiotic recombination and gene conversion; null mutant displays reduced PIS1 expression and growth defects on non-fermentable carbon sources and minimal media; GFP-fusion protein localizes to both cytoplasm and nucleus meiotic gene conversion|reciprocal meiotic recombination molecular_function nucleus|cytoplasm YPL079W RPL21B hom FT TRANSLATION|RIBOSOME 0.0480048342310211 0.0054310222785048 594 Ribosomal 60S subunit protein L21B; homologous to mammalian ribosomal protein L21, no bacterial homolog; RPL21B has a paralog, RPL21A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YJR017C ESS1 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CHROMATIN ORGANIZATION|PROTEOLYSIS|GENE SILENCING|NUCLEUS 0.0477259157275928 0.00570768380074668 595 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 YDR394W RPT3 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|NUCLEUS 0.0475825901862101 0.00585473571353157 596 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 YOR036W PEP12 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|GOLGI APPARATUS 0.0475124407422293 0.00593538346950595 597 Target membrane receptor (t-SNARE) for vesicular intermediates traveling between the Golgi apparatus and the vacuole; controls entry of biosynthetic, endocytic, and retrograde traffic into the prevacuolar compartment; syntaxin Golgi to vacuole transport|vacuole inheritance SNAP receptor activity endosome|Golgi apparatus YDR173C ARG82 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|LIPID METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.047489826545205 0.00595172198064027 598 Inositol polyphosphate multikinase (IPMK), sequentially phosphorylates Ins(1,4,5)P3 to form Ins(1,3,4,5,6)P5; also has diphosphoinositol polyphosphate synthase activity; regulates arginine-, phosphate-, and nitrogen-responsive genes protein stabilization|negative regulation of transcription from RNA polymerase II promoter|phosphatidylinositol phosphorylation|regulation of arginine metabolic process|inositol phosphate biosynthetic process|positive regulation of transcription from RNA polymerase II promoter inositol-1,4,5-trisphosphate 3-kinase activity|inositol-1,4,5-trisphosphate 6-kinase activity|phosphatidylinositol 3-kinase activity|protein binding, bridging|inositol tetrakisphosphate 6-kinase activity|inositol tetrakisphosphate 3-kinase activity|inositol-1,3,4,5,6-pentakisphosphate kinase activity nucleus YJL042W MHP1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0474661817264584 0.00597667344591213 599 Microtubule-associated protein involved in assembly and stabilization of microtubules; overproduction results in cell cycle arrest at G2 phase; similar to Drosophila protein MAP and to mammalian MAP4 proteins fungal-type cell wall organization|negative regulation of microtubule depolymerization structural constituent of cytoskeleton microtubule YLR313C SPH1 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0473364867761503 0.00611521869754973 600 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 YOL021C DIS3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 0.0473346928338684 0.00612477757185664 601 Exosome core complex catalytic subunit; possesses both endonuclease and 3'-5' exonuclease activity; involved in 3'-5' RNA processing and degradation in both the nucleus and the cytoplasm; has similarity to E. coli RNase R and to human DIS3; protein abundance increases in response to DNA replication stress nuclear mRNA surveillance|nuclear polyadenylation-dependent CUT catabolic process|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|rRNA catabolic process|polyadenylation-dependent snoRNA 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)|ncRNA 3'-end processing 3'-5'-exoribonuclease activity|endoribonuclease activity|tRNA binding mitochondrion|nucleolus|nuclear exosome (RNase complex)|cytoplasmic exosome (RNase complex) YJL090C DPB11 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|CHROMOSOME 0.0473303934337199 0.00612179838842345 602 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 YPL131W RPL5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0471999254172093 0.00634231115444741 603 Ribosomal 60S subunit protein L5; homologous to mammalian ribosomal protein L5 and bacterial L18; binds 5S rRNA and is required for 60S subunit assembly cytoplasmic translation|ribosomal large subunit assembly structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YKL139W CTK1 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|RESPONSE TO DNA DAMAGE|TRANSLATION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0471354548296193 0.00633568854240533 604 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 YDR316W OMS1 hom FT MITOCHONDRION 0.0471276238005084 0.00635226201994476 605 Protein integral to the mitochondrial membrane; has a conserved methyltransferase motif; multicopy suppressor of respiratory defects caused by OXA1 mutations biological_process S-adenosylmethionine-dependent methyltransferase activity mitochondrial envelope|mitochondrion YDL104C QRI7 hom FT RNA PROCESSING|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0469634417137063 0.00652998239273684 606 Highly conserved mitochondrial protein, essential for t6A modification of mitochondrial tRNAs that decode ANN codons; similar to Kae1p and E. coli YgjD, both of which are also required for tRNA t6A modification mitochondrial tRNA threonylcarbamoyladenosine modification molecular_function mitochondrion YGR083C GCD2 het FT TRANSLATION 0.0469349002773651 0.00656273395648496 607 Delta 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 enzyme regulator activity|guanyl-nucleotide exchange factor activity|translation initiation factor activity eukaryotic translation initiation factor 2B complex|guanyl-nucleotide exchange factor complex YDR361C BCP1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0467699650803538 0.00677964057426954 608 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 YPL181W CTI6 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0466699490822164 0.00688223471241288 609 Protein that relieves transcriptional repression by binding to the Cyc8p-Tup1p corepressor and recruiting the SAGA complex to the repressed promoter; contains a PHD finger domain negative regulation of chromatin silencing at silent mating-type cassette|positive regulation of transcription, DNA-dependent|regulation of DNA-dependent DNA replication initiation|negative regulation of chromatin silencing at telomere|negative regulation of chromatin silencing at rDNA methylated histone residue binding|transcription factor binding Rpd3L-Expanded complex|nucleus|Rpd3L complex YOR271C_p FSF1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0466234523866176 0.00695506813204932 610 Putative protein, predicted to be an alpha-isopropylmalate carrier; belongs to the sideroblastic-associated protein family; non-tagged protein is detected in purified mitochondria; likely to play a role in iron homeostasis biological_process molecular_function mitochondrion|integral to membrane YKL195W MIA40 het FF|FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.046581568796412 0.00702292771315738 611 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 YDL002C NHP10 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0464351633172264 0.00716062036696761 612 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 YGR184C UBR1 hom FT PROTEOLYSIS 0.0462198198416357 0.00753112774231404 613 E3 ubiquitin ligase (N-recognin); forms heterodimer with Rad6p to ubiquitinate substrates in the N-end rule pathway; regulates peptide transport via Cup9p ubiquitination; plays a major role in targeting cytosolic misfolded proteins for degradation; mutation in human UBR1 causes Johansson-Blizzard Syndrome (JBS) regulation of dipeptide transport|ubiquitin-dependent protein catabolic process via the N-end rule pathway|cytoplasm-associated proteasomal ubiquitin-dependent protein catabolic process|protein polyubiquitination ubiquitin-protein ligase activity proteasome regulatory particle, base subcomplex|cytoplasm YDR183W PLP1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING 0.0461199760545749 0.00757139084263521 614 Protein that interacts with CCT (chaperonin containing TCP-1) complex and has a role in actin and tubulin folding; has weak similarity to phosducins, which are G-protein regulators protein folding|positive regulation of transcription from RNA polymerase II promoter by pheromones G-protein beta/gamma-subunit complex binding cellular_component YKL085W MDH1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0461118838528411 0.00761806769104172 615 Mitochondrial malate dehydrogenase, catalyzes interconversion of malate and oxaloacetate; involved in the tricarboxylic acid (TCA) cycle; phosphorylated chronological cell aging|replicative cell aging|tricarboxylic acid cycle|aerobic respiration L-malate dehydrogenase activity|mRNA binding mitochondrion|mitochondrial matrix YOR350C MNE1 hom FT RNA PROCESSING|MITOCHONDRION 0.046027697086231 0.00768380148632264 616 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 YMR193C-A_d YMR193C-A hom 0.0459573535608952 0.00777751045044709 617 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDR126W SWF1 hom FF|FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|CYTOSKELETON 0.0458523134227091 0.00791934674748593 618 Palmitoyltransferase that acts on transmembrane proteins, including the SNAREs Snc1p, Syn8p, Tlg1p and likely all SNAREs; contains an Asp-His-His-Cys-cysteine rich (DHHC-CRD) domain; may have a role in vacuole fusion ascospore wall assembly|cortical actin cytoskeleton organization|establishment of cell polarity|vacuole fusion, non-autophagic|regulation of exocytosis|protein palmitoylation palmitoyltransferase activity integral to membrane|actin filament bundle|nuclear outer membrane-endoplasmic reticulum membrane network|actin cortical patch YHR205W SCH9 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|RIBOSOME BIOGENESIS|PROTEIN PHOSPHORYLATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|CHROMOSOME 0.0457315411558699 0.00808528462273177 619 AGC family protein kinase; functional ortholog of mammalian S6 kinase; phosphorylated by Tor1p and required for TORC1-mediated regulation of ribosome biogenesis, translation initiation, and entry into G0 phase; involved in transactivation of osmostress-responsive genes; regulates G1 progression, cAPK activity and nitrogen activation of the FGM pathway; integrates nutrient signals and stress signals from sphingolipids to regulate lifespan protein phosphorylation|age-dependent response to oxidative stress involved in chronological cell aging|replicative cell aging|regulation of protein localization|positive regulation of transcription from RNA polymerase III promoter|positive regulation of ribosomal protein gene transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase I promoter|regulation of transcription from RNA polymerase II promoter in response to oxidative stress|regulation of cell size|regulation of response to osmotic stress protein serine/threonine kinase activity chromatin|fungal-type vacuole membrane|nucleus|cytoplasm YFR050C PRE4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0456632429330456 0.00820916521409167 620 Beta 7 subunit of the 20S proteasome proteasome assembly|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 YPL237W SUI3 het FT TRANSLATION|RIBOSOME 0.0455988216150252 0.00827121989316472 621 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 YLR338W_d OPI9 hom FF 0.0455244621505514 0.00837705802041262 622 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF VRP1/YLR337C Unknown Unknown Unknown YKL167C MRP49 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.045520640536038 0.00838253001256921 623 Mitochondrial ribosomal protein of the large subunit, not essential for mitochondrial translation mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YBR167C POP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.045426920432364 0.00851772749722633 624 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 YNL063W MTQ1 hom FT TRANSLATION|MITOCHONDRION 0.0452270917611543 0.00881252017889148 625 S-adenosylmethionine-dependent methyltransferase; methylates translational release factor Mrf1p; similar to E.coli PrmC; is not an essential gene translational readthrough S-adenosylmethionine-dependent methyltransferase activity mitochondrion YDR137W RGP1 hom FF|FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|CELL DIVISION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0450993619607453 0.00911935415074057 626 Subunit of a Golgi membrane exchange factor (Ric1p-Rgp1p) that catalyzes nucleotide exchange on Ypt6p retrograde transport, endosome to Golgi guanyl-nucleotide exchange factor activity Golgi apparatus|Ric1p-Rgp1p complex|Golgi membrane|guanyl-nucleotide exchange factor complex YPR146C_d YPR146C hom 0.0450748292285319 0.00904322308914169 627 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR450W HMG2 hom FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0450633836467675 0.00908143416728147 628 HMG-CoA reductase; converts HMG-CoA to mevalonate, a rate-limiting step in sterol biosynthesis; one of two isozymes; overproduction induces assembly of peripheral ER membrane arrays and short nuclear-associated membrane stacks; forms foci at the nuclear periphery upon DNA replication stress ergosterol biosynthetic process hydroxymethylglutaryl-CoA reductase (NADPH) activity nuclear envelope|integral to membrane|endoplasmic reticulum membrane YHR113W APE4 hom FT PROTEOLYSIS 0.0449184095169186 0.0092858230539204 629 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 YBR193C MED8 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.044891515235923 0.00932811477855114 630 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 TBP-class protein binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding|RNA polymerase II transcription corepressor activity|structural molecule activity core mediator complex YMR271C URA10 hom FT NUCLEOTIDE METABOLISM 0.0447468498898886 0.00956931293400875 631 Minor orotate phosphoribosyltransferase (OPRTase) isozyme; catalyzes the fifth enzymatic step in the de novo biosynthesis of pyrimidines, converting orotate into orotidine-5'-phosphate; URA10 has a paralog, URA5, that arose from the whole genome duplication 'de novo' pyrimidine nucleobase biosynthetic process|pyrimidine ribonucleoside biosynthetic process orotate phosphoribosyltransferase activity cytoplasm YMR142C RPL13B hom FT TRANSLATION|RIBOSOME 0.0446784584742602 0.00966926642238127 632 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 YLR015W BRE2 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0446344156398966 0.00974116006006546 633 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 YKL064W MNR2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0445157330575535 0.00993726865928249 634 Vacuolar membrane protein required for magnesium homeostasis; putative magnesium transporter; has similarity to Alr1p and Alr2p, which mediate influx of Mg2+ and other divalent cations cellular magnesium ion homeostasis magnesium ion transmembrane transporter activity fungal-type vacuole membrane|integral to membrane YML034W SRC1 hom FF|FT CELL CYCLE|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0445000578382592 0.0100078753701451 635 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 YNL215W IES2 hom FT NUCLEUS 0.0444563440215154 0.0101375573201829 636 Protein that associates with the INO80 chromatin remodeling complex; associates with the INO80 complex under low-salt conditions; essential for growth under anaerobic conditions; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus YDR362C TFC6 het FT NUCLEUS 0.0443998348648854 0.0101884579920682 637 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; cooperates with Tfc3p in DNA binding; human homolog is TFIIIC-110 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 transcription factor TFIIIC complex YGL011C SCL1 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.044245175340416 0.0103975302486486 638 Alpha 1 subunit of the 20S proteasome involved in the degradation of ubiquitinated substrates; 20S proteasome is the core complex of the 26S proteasome; essential for growth; detected in the mitochondria proteasomal ubiquitin-dependent protein catabolic process|proteasomal ubiquitin-independent protein catabolic process molecular_function mitochondrion|proteasome core complex, alpha-subunit complex|nucleus|proteasome storage granule|nuclear outer membrane-endoplasmic reticulum membrane network YKL192C ACP1 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0439764860635323 0.0108732811381239 639 Mitochondrial matrix acyl carrier protein, involved in biosynthesis of octanoate, which is a precursor to lipoic acid; activated by phosphopantetheinylation catalyzed by Ppt2p lipoate biosynthetic process ACP phosphopantetheine attachment site binding involved in fatty acid biosynthetic process mitochondrion YPR124W CTR1 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0437680112235783 0.0112556372486329 640 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 YAL056W GPB2 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|MITOCHONDRION|PLASMA MEMBRANE 0.0436666627967307 0.0114457918384425 641 Multistep regulator of cAMP-PKA signaling; inhibits PKA downstream of Gpa2p and Cyr1p, thereby increasing cAMP dependency; inhibits Ras activity through direct interactions with Ira1p/2p; regulated by G-alpha protein Gpa2p; GPB2 has a paralog, GPB1, that arose from the whole genome duplication signal transduction|glucose mediated signaling pathway|pseudohyphal growth|ascospore formation|negative regulation of Ras protein signal transduction|invasive growth in response to glucose limitation|positive regulation of transcription from RNA polymerase II promoter cAMP-dependent protein kinase inhibitor activity|signal transducer activity|GTPase activating protein binding mitochondrion|plasma membrane|cytoplasm YOL152W FRE7 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.0433184542308002 0.0121210162222054 642 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 YAL048C GEM1 hom FT SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0433181755090761 0.0121215705429283 643 Outer mitochondrial membrane GTPase, subunit of the ERMES complex; potential regulatory subunit 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; cells lacking Gem1p contain collapsed, globular, or grape-like mitochondria; ortholog of metazoan Miro GTPases mitochondrion inheritance|regulation of mitochondrion organization|phospholipid homeostasis GTPase activity|calcium ion binding mitochondrial outer membrane|ERMES complex|mitochondrion YJR014W TMA22 hom FT TRANSLATION|RIBOSOME 0.0432913387386628 0.0122396583747251 644 Protein of unknown function; associates with ribosomes and has a putative RNA binding domain; interacts with Tma20p; similar to human GRAP and human DRP1, which interacts with human Tma20p homolog MCT-1; protein abundance increases in response to DNA replication stress biological_process RNA binding ribosome|cytoplasm YDR522C SPS2 hom FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|PLASMA MEMBRANE 0.0432334831106094 0.0122910501766955 645 Protein expressed during sporulation; SPS2 has a paralog, SPS22, that arose from the whole genome duplication; redundant with Sps22p for organization of the beta-glucan layer of the spore wall; S. pombe ortholog is a spore wall component ascospore wall assembly|ascospore formation molecular_function fungal-type cell wall|plasma membrane YKL037W AIM26 hom FF|FT MITOCHONDRION 0.0431849453961052 0.0123891229393093 646 Putative protein of unknown function; null mutant is viable and displays elevated frequency of mitochondrial genome loss; null mutation confers sensitivity to tunicamycin and DTT mitochondrion degradation molecular_function mitochondrion|integral to membrane YLR056W ERG3 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0427781167957912 0.0132387528230191 647 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 YIR014W_p YIR014W hom 0.0425785627791218 0.0136740247572954 648 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 YOR293W RPS10A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.042569851277191 0.0137779406851637 649 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 YBR154C RPB5 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0425160048094286 0.0139553121546069 650 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 YAL067W-A_p YAL067W-A hom 0.0424054515942045 0.0140761494242382 651 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YGR155W CYS4 hom FT KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|MITOCHONDRION 0.0421758770352882 0.0147242293852711 652 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 YOR254C SEC63 het FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0419359382889334 0.0151627916861063 653 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 YBR058C UBP14 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.0418460461515437 0.0153820324828258 654 Ubiquitin-specific protease that specifically disassembles unanchored ubiquitin chains; involved in fructose-1,6-bisphosphatase (Fbp1p) degradation; similar to human isopeptidase T protein deubiquitination|negative regulation of gluconeogenesis|proteasomal ubiquitin-dependent protein catabolic process ubiquitin-specific protease activity cytoplasm YLR068W FYV7 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0417993123992241 0.0155742935434156 655 Essential protein required for maturation of 18S rRNA; required for survival upon exposure to K1 killer toxin maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function nucleolus|nucleus YKR029C SET3 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0417183709650721 0.0156982162666555 656 Defining member of the SET3 histone deacetylase complex which is a meiosis-specific repressor of sporulation genes; necessary for efficient transcription by RNAPII; one of two yeast proteins that contains both SET and PHD domains; SET3 has a paralog, SET4, that arose from the whole genome duplication negative regulation of meiosis|regulation of transcription, DNA-dependent|histone deacetylation methylated histone residue binding Rpd3L-Expanded complex|Set3 complex YPL262W FUM1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0417028477865795 0.0159092857965518 657 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 YPR173C VPS4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|LIPID METABOLISM|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM 0.0417001529786834 0.0157437953516517 658 AAA-ATPase involved in multivesicular body (MVB) protein sorting, ATP-bound Vps4p localizes to endosomes and catalyzes ESCRT-III disassembly and membrane release; ATPase activity is activated by Vta1p; regulates cellular sterol metabolism late endosome to vacuole transport via multivesicular body sorting pathway|protein retention in Golgi apparatus|intralumenal vesicle formation|protein homooligomerization|sterol metabolic process|late endosome to vacuole transport ATPase activity|protein homodimerization activity|ATP binding endosome|endoplasmic reticulum|membrane|cytoplasm YML009W-B_d YML009W-B hom 0.0416635514654579 0.0158357195184754 659 Dubious ORF 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 YGL128C CWC23 het FT RNA PROCESSING|NUCLEUS 0.0416096697213594 0.0159876486302276 660 Component of a complex containing Cef1p, putatively involved in pre-mRNA splicing; has similarity to E. coli DnaJ and other DnaJ-like proteins and to S. pombe Cwf23p spliceosomal complex disassembly molecular_function U2-type spliceosomal complex YLR283W_p YLR283W hom FT MITOCHONDRION 0.0415879965945496 0.0161060627601024 661 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 YMR245W_d YMR245W hom 0.0415032029277713 0.0162440163765656 662 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL107W YAF9 hom FF|FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.041401109331223 0.0165087704238448 663 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 YBL103C RTG3 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|SIGNALING|NUCLEUS 0.0413974214058567 0.0165184046193854 664 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 YEL003W GIM4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.0413839525820873 0.0166996773394195 665 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 YIL053W RHR2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0413630092614405 0.0166085397672599 666 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 YNL135C FPR1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|CHROMATIN ORGANIZATION|NUCLEUS|MITOCHONDRION 0.0413409569314552 0.0167153023018244 667 Peptidyl-prolyl cis-trans isomerase (PPIase), binds to the drugs FK506 and rapamycin; also binds to the nonhistone chromatin binding protein Hmo1p and may regulate its assembly or function protein folding|chromatin organization|homoserine metabolic process peptidyl-prolyl cis-trans isomerase activity|macrolide binding mitochondrion|nucleus|cytoplasm YJR129C_p YJR129C hom 0.0413317080203251 0.0166909012275401 668 Putative protein of unknown function; predicted S-adenosylmethionine-dependent methyltransferase of the seven beta-strand family; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm biological_process S-adenosylmethionine-dependent methyltransferase activity cytoplasm YIL154C IMP2' hom FF|FT RESPONSE TO DNA DAMAGE|ION HOMEOSTASIS|CARBOHYDRATE METABOLISM|ION HOMEOSTASIS 0.0412916409133197 0.0169609276639712 669 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 YIL158W AIM20 hom FT CELL CYCLE 0.0412670249997702 0.0168622350434906 670 Putative protein of unknown function; overexpression causes a cell cycle delay or arrest; green fluorescent protein (GFP)-fusion protein localizes to the vacuole; null mutant displays elevated frequency of mitochondrial genome loss; relocalizes from nucleus to cytoplasm upon DNA replication stress biological_process molecular_function fungal-type vacuole YAL023C PMT2 hom FT PROTEIN LOCALIZATION|CARBOHYDRATE METABOLISM|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0412188280617142 0.0169909015195561 671 Protein O-mannosyltransferase of the ER membrane; transfers mannose residues from dolichyl phosphate-D-mannose to protein serine/threonine residues; involved in ER quality control; acts in a complex with Pmt1p, can instead interact with Pmt5p; antifungal drug target; PMT2 has a paralog, PMT3, that arose from the whole genome duplication ER-associated misfolded protein catabolic process|protein O-linked glycosylation|Unknown|protein exit from endoplasmic reticulum|protein O-linked mannosylation dolichyl-phosphate-mannose-protein mannosyltransferase activity integral to membrane|dolichyl-phosphate-mannose-protein mannosyltransferase complex YCR034W FEN1 hom FF|FT VESICLE-MEDIATED TRANSPORT|KETONE METABOLISM|LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0409480284555091 0.0177299610322017 672 Fatty acid elongase, involved in sphingolipid biosynthesis; acts on fatty acids of up to 24 carbons in length; mutations have regulatory effects on 1,3-beta-glucan synthase, vacuolar ATPase, and the secretory pathway; FEN1 has a paralog, ELO1, that arose from the whole genome duplication fatty acid elongation|vesicle-mediated transport|sphingolipid biosynthetic process fatty acid elongase activity integral to membrane|endoplasmic reticulum|endoplasmic reticulum membrane YER111C SWI4 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS|CHROMOSOME 0.0406540040875945 0.0185641481121618 673 DNA binding component of the SBF complex (Swi4p-Swi6p); a transcriptional activator that in concert with MBF (Mbp1-Swi6p) regulates late G1-specific transcription of targets including cyclins and genes required for DNA synthesis and repair; acetylation at two sites, K1016 and K1066, regulates interaction with Swi6p 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 sequence-specific DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription SBF transcription complex|nuclear chromatin YBL039C URA7 hom FT KETONE METABOLISM|LIPID METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM 0.0405724165937728 0.0188903735442472 674 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 YMR240C CUS1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0404882362781053 0.0190494262252394 675 Protein required for assembly of U2 snRNP into the spliceosome, forms a complex with Hsh49p and Hsh155p spliceosomal complex assembly|mRNA splicing, via spliceosome molecular_function U2 snRNP|U2-type prespliceosome YLR368W MDM30 hom FT MEMBRANE ORGANIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|RNA LOCALIZATION|MITOCHONDRION|UBIQUITIN LIGASE COMPLEX 0.0403254476025185 0.0195367352670078 676 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 YIL016W SNL1 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0402336016962361 0.0198164516898207 677 Ribosome-associated protein proposed to act in protein synthesis and nuclear pore complex biogenesis and maintenance as well as protein folding; has similarity to the mammalian BAG-1 protein protein folding|nuclear pore organization ribosome binding nuclear envelope|mitochondrion|cytosolic ribosome|endoplasmic reticulum membrane|membrane YGL225W VRG4 het FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.0402026584221609 0.0199668939024431 678 Golgi GDP-mannose transporter; regulates Golgi function and glycosylation in Golgi GDP-mannose transport GDP-mannose transmembrane transporter activity mitochondrion|integral to membrane|Golgi apparatus YIL077C_p YIL077C hom FT MITOCHONDRION 0.0400858875931184 0.0202736471139111 679 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; deletion confers sensitivity to 4-(N-(S-glutathionylacetyl)amino) phenylarsenoxide (GSAO) biological_process molecular_function mitochondrion YJR074W MOG1 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|NUCLEUS 0.0397028134775608 0.0215219071701159 680 Conserved nuclear protein that interacts with GTP-Gsp1p, which is a Ran homolog of the Ras GTPase family, and stimulates nucleotide release, involved in nuclear protein import, nucleotide release is inhibited by Yrb1p protein import into nucleus Ran GTPase binding nucleus YPL188W POS5 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0396834923587075 0.0215660746998304 681 Mitochondrial NADH kinase, phosphorylates NADH; also phosphorylates NAD(+) with lower specificity; required for the response to oxidative stress cellular response to oxidative stress|NADP biosynthetic process NADH kinase activity mitochondrion|mitochondrial matrix YFL023W BUD27 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|RIBOSOME 0.0396672147549029 0.0217965721262261 682 Unconventional prefoldin protein involved in translation initiation; mutants have inappropriate expression of nutrient sensitive genes due to translational derepression of Gcn4p transcription factor; diploid mutants show random budding; ortholog of human URI/RMP formation of translation preinitiation complex molecular_function cytosolic ribosome|cytoplasm YDL011C_d YDL011C hom 0.0395106787236694 0.0223225074320802 683 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the uncharacterized ORF YDL010W Unknown Unknown Unknown YNL130C CPT1 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.0393907622381555 0.0225507802189338 684 Cholinephosphotransferase; required for phosphatidylcholine biosynthesis and for inositol-dependent regulation of EPT1 transcription; CPT1 has a paralog, EPT1, that arose from the whole genome duplication CDP-choline pathway diacylglycerol cholinephosphotransferase activity mitochondrial outer membrane|integral to membrane|Golgi apparatus YBR104W YMC2 hom FT MITOCHONDRION 0.0393294289765299 0.0227619769288391 685 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 YMR172C-A_d YMR172C-A hom 0.0393023737926665 0.0229575931609794 686 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDR100W TVP15 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0392408364004304 0.0230700710648803 687 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 YBR058C-A TSC3 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.039203999646725 0.0231992381575513 688 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 YLR403W SFP1 hom FT TRANSCRIPTION FROM RNA POL II|RIBOSOME BIOGENESIS|NUCLEUS 0.0390961023348065 0.0235811952750102 689 Regulates transcription of ribosomal protein and biogenesis genes; regulates response to nutrients and stress, G2/M transitions during mitotic cell cycle and DNA-damage response, and modulates cell size; regulated by TORC1 and Mrs6p; sequence of zinc finger, ChIP localization data, and protein-binding microarray (PBM) data, and computational analyses suggest it binds DNA directly at highly active RP genes and indirectly through Rap1p at others; can form the [ISP+] prion positive regulation of ribosomal protein gene transcription from RNA polymerase II promoter|regulation of cell size|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription factor binding transcription factor activity nucleus|cytoplasm YDR181C SAS4 hom FT CHROMATIN ORGANIZATION|PROTEOLYSIS|GENE SILENCING|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0390959643903098 0.023581687069765 690 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 YER087C-B SBH1 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0390550848549693 0.0237278218378542 691 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 YDL003W MCD1 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0390369420686118 0.0237929292457996 692 Essential alpha-kleisin subunit of the cohesin complex; required for sister chromatid cohesion in mitosis and meiosis; apoptosis induces cleavage and translocation of a C-terminal fragment to mitochondria; expression peaks in S phase double-strand break repair|apoptotic process|response to DNA damage stimulus|mitotic chromosome condensation|establishment of mitotic sister chromatid cohesion chromatin binding condensed nuclear chromosome|mitochondrion|nucleus|nuclear mitotic cohesin complex YJL148W RPA34 hom FT NUCLEUS 0.0390236916064016 0.0238405778309817 693 RNA polymerase I subunit A34.5 transcription elongation from RNA polymerase I promoter|transcription of nuclear large rRNA transcript from RNA polymerase I promoter molecular_function DNA-directed RNA polymerase I complex|nucleolus|nucleus YKL096C-B_p YKL096C-B hom 0.0389833936411235 0.0239859978399579 694 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YML016C PPZ1 hom FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS|NUCLEUS|PLASMA MEMBRANE 0.0388201970488095 0.0246042068099516 695 Serine/threonine protein phosphatase Z, isoform of Ppz2p; involved in regulation of potassium transport, which affects osmotic stability, cell cycle progression, and halotolerance cellular sodium ion homeostasis|cellular protein localization|protein dephosphorylation protein serine/threonine phosphatase activity extrinsic to plasma membrane|nucleus|cytoplasm YNL290W RFC3 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0386416951850511 0.0254252627946606 696 Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon mismatch repair|sister chromatid cohesion|leading strand elongation DNA clamp loader activity|ATPase activity Elg1 RFC-like complex|DNA replication factor C complex|Rad17 RFC-like complex|nucleus|Ctf18 RFC-like complex YOL040C RPS15 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0385939141658623 0.025431562963087 697 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 YNL108C_p YNL108C hom FT NUCLEUS 0.0384416747567443 0.0260167555873538 698 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 YLR276C DBP9 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0384353553591087 0.0260635728297339 699 DEAD-box protein required for 27S rRNA processing; exhibits DNA, RNA and DNA/RNA helicase activities; ATPase activity shows preference for DNA over RNA; DNA helicase activity abolished by mutation in RNA-binding domain maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) ATP-dependent DNA helicase activity|ATP-dependent DNA/RNA helicase activity|ATP-dependent RNA helicase activity nucleolus YJL202C_d YJL202C het 0.0384182436937435 0.0261078476834641 700 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; overlaps 3' end of essential PRP21 gene encoding a subunit of the SF3a splicing factor complex Unknown Unknown Unknown YHR141C RPL42B hom FT TRANSLATION|RIBOSOME 0.038308766772134 0.0265371178368704 701 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 YGR135W PRE9 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.0382963108041617 0.0265863429670239 702 Alpha 3 subunit of the 20S proteasome, the only nonessential 20S subunit; may be replaced by the alpha 4 subunit (Pre6p) under stress conditions to create a more active proteasomal isoform proteasomal ubiquitin-dependent protein catabolic process|proteasome core complex assembly|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 YOR123C LEO1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|RNA POL II, HOLOENZYME 0.0380870520244339 0.0274944957024777 703 Component of the Paf1 complex; which associates with RNA polymerase II and is involved in histone methylation; plays a role in regulating Ty1 transposition; involved in transcription elongation as demonstrated by the G-less-based run-on (GLRO) assay chromatin organization|Unknown|positive regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription-coupled nucleotide-excision repair|histone H3-K4 trimethylation|transcription elongation from RNA polymerase II promoter RNA binding|RNA polymerase II transcription factor binding transcription factor activity nucleus|Cdc73/Paf1 complex YNL227C JJJ1 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION|RIBOSOME 0.0378494938400089 0.0284050339053276 704 Co-chaperone that stimulates the ATPase activity of Ssa1p, required for a late step of ribosome biogenesis; associated with the cytosolic large ribosomal subunit; contains a J-domain; mutation causes defects in fluid-phase endocytosis ribosomal subunit export from nucleus|ribosomal large subunit biogenesis|endocytosis|regulation of cell size|rRNA processing ATPase activator activity cytosol|mitochondrion|cytosolic large ribosomal subunit|nucleolus|cytoplasm YBR020W GAL1 hom FT CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS 0.0377696392463482 0.0287411092599223 705 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 YDR193W_d YDR193W hom 0.0377429852911987 0.0290698752845093 706 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR140W_d YLR140W het 0.0376876860937201 0.0290895694487725 707 Dubious open reading frame unlikely to encode a functional protein; overlaps essential RRN5 gene which encodes a member of the UAF transcription factor involved in transcription of rDNA by RNA polymerase I Unknown Unknown Unknown YDL215C GDH2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0376121201603313 0.029511062333999 708 NAD(+)-dependent glutamate dehydrogenase, degrades glutamate to ammonia and alpha-ketoglutarate; expression sensitive to nitrogen catabolite repression and intracellular ammonia levels nitrogen compound metabolic process glutamate dehydrogenase (NAD+) activity mitochondrion YOR017W PET127 hom FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0375554560620233 0.0296594668060528 709 Protein with a role in 5'-end processing of mitochondrial RNAs, located in the mitochondrial membrane mitochondrial RNA 5'-end processing molecular_function mitochondrial envelope|mitochondrion YBR048W RPS11B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.037478627194816 0.0299949789010584 710 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S11 and bacterial S17; RPS11B has a paralog, RPS11A, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal small subunit assembly structural constituent of ribosome cytosolic small ribosomal subunit|90S preribosome YNL055C POR1 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0371605214703078 0.0314190716891061 711 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 YIL059C_d YIL059C hom 0.0370362758819004 0.0319908332731581 712 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 YIR023W DAL81 hom FF|FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0368593445757021 0.0328204206864772 713 Positive regulator of genes in multiple nitrogen degradation pathways; contains DNA binding domain but does not appear to bind the dodecanucleotide sequence present in the promoter region of many genes involved in allantoin catabolism nitrogen utilization|nitrogen catabolite activation of transcription from RNA polymerase II promoter|gamma-aminobutyric acid catabolic process|urea catabolic process RNA polymerase II transcription coactivator activity involved in preinitiation complex assembly|RNA polymerase II core promoter proximal region 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 nucleus YDR468C TLG1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|GOLGI APPARATUS 0.0368369675153584 0.0329266413933046 714 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 YNL245C CWC25 het FT RNA PROCESSING|NUCLEUS 0.036803548570383 0.0330858240132528 715 Splicing factor required for the first step of pre-mRNA splicing; binding to the spliceosome requires Prp2p and Yju2p; heat-stable protein; has similarity to S. pombe Cwf25p mRNA splicing, via spliceosome molecular_function U2-type spliceosomal complex YPL182C_d YPL182C hom 0.0367803794499087 0.033196570267851 716 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 YMR305C SCW10 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOPLASMIC RETICULUM 0.0366867359708147 0.033647413953865 717 Cell wall protein with similarity to glucanases; may play a role in conjugation during mating based on mutant phenotype and its regulation by Ste12p conjugation with cellular fusion glucosidase activity fungal-type cell wall|extracellular region|endoplasmic reticulum|cytoplasm YMR202W ERG2 hom FF|FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0366563073432759 0.0339815600873113 718 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 YDR506C GMC1 hom FT CELL CYCLE|ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS 0.0366263166547508 0.0339410706837533 719 Protein involved in meiotic progression; mutants are delayed in meiotic nuclear division and are defective in synaptonemal complex assembly; possible membrane-localized protein meiosis|synaptonemal complex organization molecular_function cellular_component YNL111C CYB5 hom FF|FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0366083380221793 0.0340288741563774 720 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 YOR162C YRR1 hom FF|FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0365784919364704 0.0341750640526677 721 Zn2-Cys6 zinc-finger transcription factor; activates genes involved in multidrug resistance; paralog of Yrm1p, acting on an overlapping set of target genes; YRR1 has a paralog, PDR8, that arose from the whole genome duplication regulation of transcription from RNA polymerase II promoter in response to oxidative 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|sequence-specific DNA binding RNA polymerase II transcription factor activity nucleus YBR103W SIF2 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|SIGNALING|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0365124174109897 0.0345006151128439 722 WD40 repeat-containing subunit of the Set3C histone deacetylase complex, which represses early/middle sporulation genes; antagonizes telomeric silencing; binds specifically to the Sir4p N-terminus negative regulation of meiosis|negative regulation of chromatin silencing at telomere|regulation of transcription, DNA-dependent|histone deacetylation|positive regulation of stress-activated MAPK cascade molecular_function Rpd3L-Expanded complex|nucleus|Set3 complex YNL098C RAS2 hom FT PROTEIN LOCALIZATION|SIGNALING|NUCLEOTIDE METABOLISM|RESPONSE TO NUTRIENT LEVELS|PLASMA MEMBRANE 0.0365067823478024 0.0345285013784294 723 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 YJR070C LIA1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CYTOSKELETON ORGANIZATION|NUCLEUS 0.0364137613640554 0.0350732946588747 724 Deoxyhypusine hydroxylase; HEAT-repeat containing metalloenzyme that catalyzes hypusine formation; binds to and is required for the modification of Hyp2p (eIF5A); complements S. pombe mmd1 mutants defective in mitochondrial positioning; protein abundance increases in response to DNA replication stress microtubule cytoskeleton organization|peptidyl-lysine modification to hypusine deoxyhypusine monooxygenase activity nucleus|cytoplasm YKR052C MRS4 hom FT RNA PROCESSING|ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0363491398779221 0.0353164647865379 725 Iron transporter of the mitochondrial carrier family; mediates Fe2+ transport across the inner mitochondrial membrane; active under low-iron conditions; may transport other cations; protein abundance increases in response to DNA replication stress; MRS4 has a paralog, MRS3, that arose from the whole genome duplication mitochondrial iron ion transport|RNA splicing iron ion transmembrane transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YHL017W_p YHL017W hom FT GOLGI APPARATUS 0.0363332411005935 0.0353967784351278 726 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein co-localizes with clathrin-coated vesicles; YHL017W has a paralog, PTM1, that arose from the whole genome duplication biological_process molecular_function integral to membrane|clathrin-coated vesicle YDR524C-B_p YDR524C-B hom FT PLASMA MEMBRANE 0.0362852111648159 0.0356403513953131 727 Putative protein of unknown function; YDR524C-B has a paralog, YCL048W-A, that arose from the whole genome duplication biological_process molecular_function cellular_component YDL058W USO1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|CYTOSKELETON 0.0361667608879363 0.0363865931719556 728 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 YLR009W RLP24 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0359890615117455 0.0373441755607561 729 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 YIL103W DPH1 hom 0.0359168514834317 0.0376704701898114 730 Protein required, along with Dph2p, Kti11p, Jjj3p, and Dph5p, for synthesis of diphthamide, which is a modified histidine residue of translation elongation factor 2 (Eft1p or Eft2p); may act in a complex with Dph2p and Kti11p peptidyl-diphthamide biosynthetic process from peptidyl-histidine molecular_function cytoplasm YDR297W SUR2 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0359033379301223 0.0376282693112313 731 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 YMR216C SKY1 hom FF|FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|ION HOMEOSTASIS|PROTEIN PHOSPHORYLATION|ION HOMEOSTASIS 0.0359015822514041 0.0376376223023549 732 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 YDR381W YRA1 het FT RESPONSE TO DNA DAMAGE|RNA LOCALIZATION|NUCLEUS 0.0357761763566544 0.038310828341132 733 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 YJL176C SWI3 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|RSC COMPLEX 0.0356180140256145 0.039174443742945 734 Subunit of the SWI/SNF chromatin remodeling complex; SWI/SNF regulates transcription by remodeling chromosomes; required for transcription of many genes, including ADH1, ADH2, GAL1, HO, INO1 and SUC2; relocates to the cytosol under hypoxic conditions 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 histone binding|DNA binding SWI/SNF complex|nucleus YFR010W UBP6 hom FT PROTEOLYSIS 0.0355958171900033 0.0392969577251238 735 Ubiquitin-specific protease situated in the base subcomplex of the 26S proteasome, releases free ubiquitin from branched polyubiquitin chains; works in opposition to Hul5p polyubiquitin elongation activity; mutant has aneuploidy tolerance protein deubiquitination ubiquitin-specific protease activity proteasome complex|proteasome regulatory particle YER151C UBP3 hom FT VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS 0.035570672990235 0.0394361321532787 736 Ubiquitin-specific protease involved in transport and osmotic response; interacts with Bre5p to co-regulate anterograde and retrograde transport between the ER and Golgi; involved in transcription elongation in response to osmostress through phosphorylation at Ser695 by Hog1p; inhibitor of gene silencing; cleaves ubiquitin fusions but not polyubiquitin; also has mRNA binding activity; protein abundance increases in response to DNA replication stress protein deubiquitination|ribophagy|regulation of ER to Golgi vesicle-mediated transport|regulation of response to osmotic stress ubiquitin-specific protease activity|mRNA binding cytoplasm YNL041C COG6 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.035564459254524 0.0395589644393985 737 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 intra-Golgi vesicle-mediated transport|CVT pathway molecular_function Golgi transport complex YOL111C MDY2 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|NUCLEUS 0.0355183304584613 0.0397271927002296 738 Protein with a role in insertion of tail-anchored proteins into the ER membrane; forms a complex with Get4p; required for efficient mating; involved in shmoo formation and nuclear migration in the pre-zygote; associates with ribosomes protein insertion into ER membrane|cell morphogenesis involved in conjugation with cellular fusion|posttranslational protein targeting to membrane molecular_function ribosome|TRC complex|nucleus|cytoplasm YGL213C SKI8 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|NUCLEUS|CHROMOSOME 0.0354815621115591 0.0399327378953423 739 Ski complex component and WD-repeat protein, mediates 3'-5' RNA degradation by the cytoplasmic exosome; also required for meiotic double-strand break recombination; null mutants have superkiller phenotype nuclear-transcribed mRNA catabolic process, exonucleolytic, 3'-5'|nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay|protein complex assembly|nuclear-transcribed mRNA catabolic process, non-stop decay|protein-DNA complex assembly|reciprocal meiotic recombination molecular_function Ski complex|nuclear chromosome YEL052W AFG1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|RESPONSE TO OXIDATIVE STRESS|PEROXISOME ORGANIZATION|MITOCHONDRION 0.0353866244583236 0.0404676402599783 740 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 YIL017C VID28 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.0352083465480991 0.0414885175432179 741 GID Complex subunit, serves as adaptor for regulatory subunit Vid24p; protein involved in proteasome-dependent catabolite degradation of fructose-1,6-bisphosphatase (FBPase); localized to the nucleus and the cytoplasm negative regulation of gluconeogenesis|proteasomal ubiquitin-dependent protein catabolic process|vacuolar protein catabolic process|ascospore formation|positive regulation of transcription from RNA polymerase II promoter molecular_function nucleus|GID complex|cytoplasm YDR135C YCF1 hom FT NUCLEOTIDE METABOLISM 0.0351638489054466 0.0417466982724638 742 Vacuolar glutathione S-conjugate transporter; member of the ATP-binding cassette family; has a role in detoxifying metals such as cadmium, mercury, and arsenite; also transports unconjugated bilirubin, selenodigluthatione, and oxidized glutathione; similar to human cystic fibrosis protein CFTR bilirubin transport|response to metal ion|transmembrane transport bilirubin transmembrane transporter activity|glutathione S-conjugate-exporting ATPase activity fungal-type vacuole membrane|integral to membrane YEL038W UTR4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0349629752135795 0.0429291748858169 743 Protein with sequence similarity to 2,3-diketo-5-methylthiopentyl-1-phosphate enolase-phosphatases, involved in methionine salvage; found in both the cytoplasm and nucleus L-methionine salvage from methylthioadenosine acireductone synthase activity nucleus|cytoplasm YHR034C PIH1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0349068088069102 0.0433273018948306 744 Component of the conserved R2TP complex (Rvb1-Rvb2-Tah1-Pih1); R2TP complex interacts with Hsp90 (Hsp82p and Hsc82p) to mediate assembly large protein complexes such as box C/D snoRNPs and RNA polymerase II protein folding|rRNA processing|regulation of cell size|box C/D snoRNP assembly molecular_function R2TP complex|nucleus|small nucleolar ribonucleoprotein complex|cytoplasm YJR049C UTR1 hom FF|FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|COFACTOR METABOLISM|NUCLEUS 0.0348630121408843 0.0435280927962598 745 ATP-NADH kinase; phosphorylates both NAD and NADH; active as a hexamer; enhances the activity of ferric reductase (Fre1p); UTR1 has a paralog, YEF1, that arose from the whole genome duplication cellular iron ion homeostasis|NADP biosynthetic process NAD+ kinase activity|NADH kinase activity nucleus|cytoplasm YML034C-A_d YML034C-A hom 0.0347955779103459 0.043936090121944 746 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YER114C BOI2 hom FT SIGNALING|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0347362604722259 0.0442976419264234 747 Protein implicated in polar growth, functionally redundant with Boi1p; interacts with bud-emergence protein Bem1p; contains an SH3 (src homology 3) domain and a PH (pleckstrin homology) domain; BOI2 has a paralog, BOI1, that arose from the whole genome duplication cytokinesis, completion of separation|establishment of cell polarity|budding cell apical bud growth|Rho protein signal transduction phospholipid binding site of polarized growth|cellular bud|cellular bud neck YHR059W FYV4 hom FT MITOCHONDRION 0.0346081536655877 0.0450870483029416 748 Protein of unknown function, required for survival upon exposure to K1 killer toxin biological_process molecular_function mitochondrion YGL103W RPL28 het FT TRANSLATION|NUCLEUS|RIBOSOME 0.0346058021774381 0.0451016484928029 749 Ribosomal 60S subunit protein L28; homologous to mammalian ribosomal protein L27A and bacterial L15; may have peptidyl transferase activity; can mutate to cycloheximide resistance cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit|nucleus YER040W GLN3 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0345823956939945 0.0452471946986155 750 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 YEL036C ANP1 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0344980588839529 0.0457749040473999 751 Subunit of the alpha-1,6 mannosyltransferase complex; type II membrane protein; has a role in retention of glycosyltransferases in the Golgi; involved in osmotic sensitivity and resistance to aminonitrophenyl propanediol protein N-linked glycosylation alpha-1,6-mannosyltransferase activity|mannosyltransferase activity alpha-1,6-mannosyltransferase complex|Golgi cis cisterna YLR226W BUR2 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION|NUCLEUS 0.0343655880855143 0.0466142547639194 752 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 YML031W NDC1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CYTOSKELETON ORGANIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CYTOSKELETON|NUCLEAR PORE 0.034342026462582 0.0467648921084116 753 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 YJL034W KAR2 het FT PROTEIN LOCALIZATION|PROTEOLYSIS|ENDOPLASMIC RETICULUM 0.0343228835134662 0.0468875806704053 754 ATPase involved in protein import into the ER, also acts as a chaperone to mediate protein folding in the ER and may play a role in ER export of soluble proteins; regulates the unfolded protein response via interaction with Ire1p karyogamy involved in conjugation with cellular fusion|posttranslational protein targeting to membrane, translocation|ER-associated protein catabolic process|SRP-dependent cotranslational protein targeting to membrane, translocation|response to unfolded protein unfolded protein binding|ATPase activity endoplasmic reticulum|luminal surveillance complex YOL080C REX4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0343056115625872 0.0469985100621629 755 Putative RNA exonuclease possibly involved in pre-rRNA processing and ribosome assembly ribosomal large subunit assembly|rRNA processing 3'-5' exonuclease activity nucleolus|nucleus YBL053W_d YBL053W hom 0.0342536148200131 0.0473337930451297 756 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YCR090C_p YCR090C hom FT NUCLEUS 0.0342031677391474 0.0478272242002734 757 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; YCR090C is not an essential gene biological_process molecular_function nucleus|cytoplasm YBR110W ALG1 het FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0341850363612991 0.0477790699328832 758 Mannosyltransferase, involved in asparagine-linked glycosylation in the endoplasmic reticulum (ER); essential for viability, mutation is functionally complemented by human ortholog oligosaccharide-lipid intermediate biosynthetic process|protein N-linked glycosylation beta-1,4-mannosyltransferase activity integral to membrane|endoplasmic reticulum YAR030C_d YAR030C hom 0.0341677149322247 0.0478920922395345 759 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YAR029W and the verified gene PRM9 Unknown Unknown Unknown YCR081W SRB8 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0341017823751237 0.0484248828448136 760 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; essential for transcriptional regulation; involved in glucose repression negative regulation of transcription from RNA polymerase II promoter|positive regulation of transcription by galactose|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II transcription coactivator activity mediator complex YJR032W CPR7 hom 0.0340593375684677 0.0486043643263725 761 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 refolding|response to stress unfolded protein binding|peptidyl-prolyl cis-trans isomerase activity cytosol YLR354C TAL1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0339957113808098 0.0490266521568299 762 Transaldolase, enzyme in the non-oxidative pentose phosphate pathway; converts sedoheptulose 7-phosphate and glyceraldehyde 3-phosphate to erythrose 4-phosphate and fructose 6-phosphate pentose-phosphate shunt sedoheptulose-7-phosphate:D-glyceraldehyde-3-phosphate glyceronetransferase activity nucleus|cytoplasm YPR198W SGE1 hom FF|FT PLASMA MEMBRANE 0.0339859572383216 0.0492609782026066 763 Plasma membrane multidrug transporter of the major facilitator superfamily, acts as an extrusion permease; partial multicopy suppressor of gal11 mutations response to drug|drug transport drug transmembrane transporter activity integral to membrane|integral to plasma membrane YMR038C CCS1 hom FF|FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.0339576374636252 0.0497233797911403 764 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 YOR037W CYC2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.033949599472013 0.0493346175553898 765 Mitochondrial peripheral inner membrane protein, contains a FAD cofactor in a domain exposed in the intermembrane space; exhibits redox activity in vitro; likely participates in ligation of heme to acytochromes c and c1 (Cyc1p and Cyt1p) cytochrome c-heme linkage|mitochondrial membrane organization oxidoreductase activity extrinsic to mitochondrial inner membrane|mitochondrion YMR276W DSK2 hom FT CELL CYCLE|PROTEOLYSIS|CYTOSKELETON ORGANIZATION|NUCLEUS 0.0338809535927971 0.049796083651056 766 Nuclear-enriched ubiquitin-like polyubiquitin-binding protein; required for spindle pole body (SPB) duplication and for transit through the G2/M phase of the cell cycle; involved in proteolysis; interacts with the proteasome; protein abundance increases in response to DNA replication stress ER-associated protein catabolic process|spindle pole body duplication associated with nuclear envelope protein binding, bridging nucleus YLR076C_d YLR076C het 0.0338777756478804 0.0504701300909444 767 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 YDR359C EAF1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0337287989624093 0.0508318382618917 768 Component of the NuA4 histone acetyltransferase complex; acts as a platform for assembly of NuA4 subunits into the native complex; required for initiation of pre-meiotic DNA replication, likely due to its requirement for expression of IME1 DNA repair|cellular protein complex assembly|chromatin modification molecular_function histone acetyltransferase complex|NuA4 histone acetyltransferase complex YHR096C HXT5 hom FT PLASMA MEMBRANE 0.0337232841739354 0.0508697150028251 769 Hexose transporter with moderate affinity for glucose; induced in the presence of non-fermentable carbon sources, induced by a decrease in growth rate, contains an extended N-terminal domain relative to other HXTs; HXT5 has a paralog, HXT3, that arose from the whole genome duplication glucose transport|hexose transport mannose transmembrane transporter activity|fructose transmembrane transporter activity|glucose transmembrane transporter activity integral to membrane|plasma membrane YFL051C_p YFL051C hom FT PLASMA MEMBRANE 0.0336698091166245 0.0512382199384986 770 Putative protein of unknown function; YFL051C is not an essential gene biological_process molecular_function cellular_component YPL112C PEX25 hom FT PROTEIN LOCALIZATION|PEROXISOME ORGANIZATION 0.033627275099901 0.0515329211790264 771 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 YGL013C PDR1 hom FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RSC COMPLEX 0.0335511484050228 0.0520639126854355 772 Transcription factor that regulates the pleiotropic drug response; zinc cluster protein that is a master regulator involved in recruiting other zinc cluster proteins to pleiotropic drug response elements (PDREs) to fine tune the regulation of multidrug resistance genes; PDR1 has a paralog, PDR3, that arose from the whole genome duplication Unknown|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 YDR182W-A_p YDR182W-A hom 0.0334670516781156 0.0526558059631931 773 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YJL118W YJL118W hom 0.0334600442910663 0.052705378405191 774 Putative protein of unknown function; may interact with ribosomes, based on co-purification experiments; YJL18W is a non-essential gene; deletion enhances the toxicity of heterologously expressed human alpha-synuclein biological_process molecular_function ribosome YDR379C-A YDR379C-A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0334402700389891 0.0528454779345727 775 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 YGR162W TIF4631 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|MITOCHONDRION|RIBOSOME 0.033345123677466 0.0535239414439935 776 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 YGL005C COG7 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|MITOCHONDRION|GOLGI APPARATUS 0.0332936214370815 0.054217466090494 777 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 intra-Golgi vesicle-mediated transport|CVT pathway molecular_function mitochondrion|Golgi transport complex YER128W VFA1 hom FT VACUOLAR TRANSPORT 0.0332444964136637 0.0542493833311297 778 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 YBR162C TOS1 hom 0.033168557159663 0.0550560655479657 779 Covalently-bound cell wall protein of unknown function; identified as a cell cycle regulated SBF target gene; deletion mutants are highly resistant to treatment with beta-1,3-glucanase; has sequence similarity to YJL171C biological_process molecular_function fungal-type cell wall|fungal-type vacuole YKR034W DAL80 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0328821695927764 0.0569297226265999 780 Negative regulator of genes in multiple nitrogen degradation pathways; expression is regulated by nitrogen levels and by Gln3p; member of the GATA-binding family, forms homodimers and heterodimers with Gzf3p; DAL80 has a paralog, GZF3, that arose from the whole genome duplication nitrogen catabolite repression of transcription|negative regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding|sequence-specific DNA binding RNA polymerase II transcription factor activity nucleus YBR171W SEC66 hom FF|FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0328681943527752 0.0570352729244587 781 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|filamentous growth protein transporter activity integral to membrane|Sec62/Sec63 complex|endoplasmic reticulum membrane YEL046C GLY1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0327783258312526 0.0578299898228475 782 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 YHR017W YSC83 hom FT MITOCHONDRION 0.0327141717999988 0.0582093695972359 783 Non-essential mitochondrial protein of unknown function; mRNA induced during meiosis, peaking between mid to late prophase of meiosis I; similar to S. douglasii YSD83 biological_process molecular_function mitochondrial outer membrane|mitochondrion YNL148C ALF1 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|NUCLEUS|CYTOSKELETON 0.0326882332195971 0.0586728007566858 784 Alpha-tubulin folding protein, similar to mammalian cofactor B; Alf1p-GFP localizes to cytoplasmic microtubules; required for the folding of alpha-tubulin and may play an additional role in microtubule maintenance protein folding|post-chaperonin tubulin folding pathway microtubule binding|alpha-tubulin binding nucleus|cytoplasm YLR217W_d YLR217W hom 0.0326708615432844 0.0586561443712515 785 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene CPR6 Unknown Unknown Unknown YGL012W ERG4 hom FF|FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM 0.0326616769250662 0.0586140902739282 786 C-24(28) sterol reductase, catalyzes the final step in ergosterol biosynthesis; mutants are viable, but lack ergosterol ergosterol biosynthetic process delta24(24-1) sterol reductase activity integral to membrane|endoplasmic reticulum YBR150C TBS1 hom FT TRANSCRIPTION FROM RNA POL II|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.0325991618678474 0.0593266868212244 787 Putative protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; TBS1 has a paralog, HAL9, that arose from the whole genome duplication biological_process sequence-specific DNA binding mitochondrion|nucleus|cytoplasm YCR052W RSC6 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.032483993921061 0.0601926485696236 788 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 YDR160W SSY1 het FT PLASMA MEMBRANE 0.0324718596179746 0.0600970693539619 789 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 integral to membrane|plasma membrane YLR045C STU2 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0324412564194405 0.0603390483038849 790 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 YLL002W RTT109 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0323879965670389 0.0609548351699471 791 Histone acetyltransferase critical for cell survival in the presence of DNA damage during S phase; acetylates H3-K56 and H3-K9; involved in non-homologous end joining and in regulation of Ty1 transposition; interacts physically with Vps75p negative regulation of transposition, RNA-mediated|histone acetylation|double-strand break repair via nonhomologous end joining|response to DNA damage stimulus|regulation of transcription from RNA polymerase II promoter in response to stress H3 histone acetyltransferase activity nucleus YGL003C CDH1 hom FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|CYTOSKELETON ORGANIZATION|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0323863790877542 0.0608520107040013 792 Cell-cycle regulated activator of the anaphase-promoting complex/cyclosome (APC/C), which directs ubiquitination of cyclins resulting in mitotic exit; targets the APC/C to specific substrates including Cdc20p, Ase1p, Cin8p and Fin1p activation of mitotic anaphase-promoting complex activity|negative regulation of spindle pole body separation|positive regulation of mitotic metaphase/anaphase transition|Unknown|regulation of cell size anaphase-promoting complex binding|cyclin binding|ubiquitin-protein ligase activator activity nucleus|anaphase-promoting complex|cytoplasm YLL004W ORC3 het FT GENE SILENCING|NUCLEUS|CHROMOSOME 0.0323662934153356 0.060935191739831 793 Subunit of the origin recognition complex, which directs DNA replication by binding to replication origins and is also involved in transcriptional silencing pre-replicative complex assembly|DNA replication initiation|chromatin silencing at silent mating-type cassette chromatin binding|DNA replication origin binding DNA replication preinitiation complex|pre-replicative complex|nuclear origin of replication recognition complex YGR035C_p YGR035C hom 0.0323595073132358 0.0609893981360562 794 Putative protein of unknown function, potential Cdc28p substrate; transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance biological_process molecular_function cellular_component YBR192W RIM2 het FF|FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0321366799354244 0.0627916115118855 795 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 YLR210W CLB4 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS|CYTOSKELETON 0.0321357925823336 0.0628381275453911 796 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 YOR171C LCB4 hom FT LIPID METABOLISM|SIGNALING|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS|PLASMA MEMBRANE 0.0320263634109395 0.0637000033497129 797 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 YMR123W PKR1 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0320002091387113 0.0649163832002503 798 V-ATPase assembly factor; functions with other V-ATPase assembly factors in the ER to efficiently assemble the V-ATPase membrane sector (V0); protein abundance increases in response to DNA replication stress vacuolar proton-transporting V-type ATPase complex assembly molecular_function integral to endoplasmic reticulum membrane YPL060W MFM1 hom FT RNA PROCESSING|ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0319802109085548 0.0640832480980938 799 Mitochondrial inner membrane magnesium transporter, involved in maintenance of mitochondrial magnesium concentrations and membrane potential; indirectly affects splicing of group II introns; functionally and structurally related to Mrs2p mitochondrial magnesium ion transport magnesium ion transmembrane transporter activity integral to membrane|mitochondrial inner membrane YHR179W OYE2 hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS|MITOCHONDRION 0.0319635872500422 0.0642217542624432 800 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 YOR259C RPT4 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0319397368256057 0.0644607472947317 801 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 YPL043W NOP4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0319392718137916 0.0644247921753862 802 Nucleolar protein, essential for processing and maturation of 27S pre-rRNA and large ribosomal subunit biogenesis; constituent of 66S pre-ribosomal particles; contains four RNA recognition motifs (RRMs) rRNA processing RNA binding nucleolus YER019C-A SBH2 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0318749663494037 0.0651647639369562 803 Ssh1p-Sss1p-Sbh2p complex component, involved in protein translocation into the endoplasmic reticulum; homologous to Sbh1p SRP-dependent cotranslational protein targeting to membrane ARF guanyl-nucleotide exchange factor activity Ssh1 translocon complex YMR176W ECM5 hom FT CELL WALL ORG/BIOGENESIS|NUCLEUS|CHROMOSOME 0.0317856510435488 0.0657198266384012 804 Non-essential protein of unknown function; contains ATP/GTP-binding site motif A; null mutant exhibits cellular volume up to four times greater than wild-type, also large drooping buds with elongated necks; relative distribution to the nucleus increases upon DNA replication stress fungal-type cell wall organization molecular_function nucleus|Snt2C complex YOL038W PRE6 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.0317250081265683 0.0662369212195334 805 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 YFR032C_p RRT5 hom 0.0315361791632272 0.0678685398875052 806 Putative protein of unknown function; non-essential gene identified in a screen for mutants with increased levels of rDNA transcription; expressed at high levels during sporulation biological_process molecular_function cellular_component YLL003W SFI1 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0315203970859898 0.0680063918118309 807 Centrin (Cdc31p)-binding protein required for spindle pole body (SPB) duplication, localizes to the half-bridge of the SPB, required for progression through G(2)-M transition, has similarity to Xenopus laevis XCAP-C G2/M transition of mitotic cell cycle|spindle assembly|spindle pole body duplication associated with nuclear envelope molecular_function half bridge of spindle pole body YPL165C SET6 hom 0.0315077652946632 0.0681168926515057 808 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 YNL072W RNH201 hom FT NUCLEUS 0.0314996839896214 0.0681876639584707 809 Ribonuclease H2 catalytic subunit, removes RNA primers during Okazaki fragment synthesis and errant ribonucleotides misincorporated during DNA replication; homolog of RNAse HI; related to human AGS4 which causes Aicardi-Goutieres syndrome DNA replication, removal of RNA primer ribonuclease H activity ribonuclease H2 complex|nucleus YJL169W_d YJL169W hom 0.0314567962572867 0.0685642614761491 810 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene YJL168C/SET2 Unknown Unknown Unknown YBR259W YBR259W hom 0.0314220858868625 0.0688703031381826 811 Protein of unknown function; YBR259W is not an essential gene; forms cytoplasmic foci upon DNA replication stress biological_process molecular_function cellular_component YNL106C INP52 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0313478629042255 0.0697369553678378 812 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 YNL189W SRP1 het FT PROTEIN LOCALIZATION|NUCLEUS 0.0313059373496071 0.0700279346520682 813 Karyopherin alpha homolog, forms a dimer with karyopherin beta Kap95p to mediate import of nuclear proteins, binds the nuclear localization signal of the substrate during import; may also play a role in regulation of protein degradation protein targeting to membrane|protein import into nucleus protein transporter activity integral to membrane|nuclear exosome (RNase complex)|nucleus|cytoplasm YCR009C RVS161 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0312524150552862 0.0704663657703199 814 Amphiphysin-like lipid raft protein; interacts with Rvs167p and regulates polarization of the actin cytoskeleton, endocytosis, cell polarity, cell fusion and viability following starvation or osmotic stress conjugation with cellular fusion|actin cytoskeleton reorganization|endocytosis|actin cortical patch localization|response to starvation|response to osmotic stress|lipid tube assembly|actin cytoskeleton organization cytoskeletal protein binding|lipid binding membrane raft|mating projection tip|mating projection|actin cortical patch YLR027C AAT2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0311492997437794 0.0713147123658819 815 Cytosolic aspartate aminotransferase, involved in nitrogen metabolism; localizes to peroxisomes in oleate-grown cells aspartate biosynthetic process L-aspartate:2-oxoglutarate aminotransferase activity cytosol|peroxisome YLR412W BER1 hom FT CYTOSKELETON 0.0311485178169634 0.071321819983234 816 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 YDL230W PTP1 hom FT MITOCHONDRION 0.0308963237378888 0.07364469468232 817 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 YHR024C MAS2 het FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0308567641290863 0.0740146143211534 818 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 YDL207W GLE1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|TRANSLATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION|NUCLEAR PORE 0.0308107272415501 0.0744470125720048 819 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 YGL033W HOP2 hom FF|FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0307753061264085 0.074781105404447 820 Meiosis-specific protein that localizes to chromosomes, preventing synapsis between nonhomologous chromosomes and ensuring synapsis between homologs; complexes with Mnd1p to promote homolog pairing and meiotic double-strand break repair synapsis|reciprocal meiotic recombination protein binding|double-stranded DNA binding condensed nuclear chromosome YGL254W FZF1 hom FT TRANSCRIPTION FROM RNA POL II|ION HOMEOSTASIS|ION HOMEOSTASIS|NUCLEUS 0.0306829521448377 0.0756579498894522 821 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 YLR419W_p YLR419W hom FT MITOCHONDRION 0.0306809356455164 0.0756771884768981 822 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 YOR232W MGE1 het FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0306057151861632 0.0765295045847911 823 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 YKR096W ESL2 hom FT NUCLEUS 0.0305995277266846 0.07663308762453 824 Protein of unknown function that interacts with Pex14p; may interact with ribosomes, based on co-purification experiments; green fluorescent protein (GFP)-fusion protein localizes to the nucleus and cytoplasm; predicted to contain a PINc domain biological_process molecular_function ribosome|nucleus|cytoplasm YBR275C RIF1 hom FT CELL CYCLE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0305458238292393 0.076975353673331 825 Protein that binds to the Rap1p C-terminus and acts synergistically with Rif2p to help control telomere length and establish telomeric silencing; deletion results in telomere elongation telomere capping|telomere maintenance|chromatin silencing at silent mating-type cassette telomeric DNA binding nuclear telomere cap complex YNL323W LEM3 hom FF|FT MEMBRANE ORGANIZATION|SIGNALING|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0305040387390615 0.0784493756115643 826 Membrane protein of the plasma membrane and ER, interacts specifically in vivo with the phospholipid translocase (flippase) Dnf1p; involved in translocation of phospholipids and alkylphosphocholine drugs across the plasma membrane phospholipid translocation|cell surface receptor signaling pathway phospholipid-translocating ATPase activity integral to membrane|endoplasmic reticulum|plasma membrane|cytoplasm YDR140W MTQ2 hom FT TRANSLATION|NUCLEUS 0.0305014351928496 0.0774057815426336 827 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 YGL020C GET1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.0304093092944697 0.0783053637714701 828 Subunit of the GET complex; involved in insertion of proteins into the ER membrane; required for the retrieval of HDEL proteins from the Golgi to the ER in an ERD2 dependent fashion and for normal mitochondrial morphology and inheritance retrograde vesicle-mediated transport, Golgi to ER|protein insertion into ER membrane protein anchor mitochondrion|integral to membrane|endoplasmic reticulum|GET complex YLR100W ERG27 het FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0303510878287097 0.0788782527492263 829 3-keto sterol reductase, catalyzes the last of three steps required to remove two C-4 methyl groups from an intermediate in ergosterol biosynthesis; mutants are sterol auxotrophs ergosterol biosynthetic process 3-keto sterol reductase activity mitochondrial outer membrane|endoplasmic reticulum|endoplasmic reticulum membrane YFL037W TUB2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|NUCLEOTIDE METABOLISM|CHROMOSOME SEGREGATION|NUCLEUS|CYTOSKELETON 0.0302660189156674 0.079766393999009 830 Beta-tubulin; associates with alpha-tubulin (Tub1p and Tub3p) to form tubulin dimer, which polymerizes to form microtubules; mutation in human ortholog is associated with congenital fibrosis of the extraocular muscles (CFEOM) with polymicrogyria 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|kinetochore microtubule|cytoplasmic microtubule|nuclear microtubule|spindle pole body|polar microtubule YBR177C EHT1 hom FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.030145896964643 0.0809245209879454 831 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 YER041W YEN1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.0301416030147914 0.0809677983319782 832 Holliday junction resolvase; localization is cell-cycle dependent and regulated by Cdc28p phosphorylation; homolog of human GEN1 and has similarity to S. cerevisiae endonuclease Rth1p DNA repair|response to DNA damage stimulus single-stranded DNA specific endodeoxyribonuclease activity|crossover junction endodeoxyribonuclease activity nucleus|cytoplasm YOR309C_d YOR309C hom 0.0301026297221019 0.081361457085506 833 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene NOP58 Unknown Unknown Unknown YHR041C SRB2 hom FT TRANSCRIPTION FROM RNA POL II|RIBOSOME BIOGENESIS|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|RNA POL II, HOLOENZYME 0.0301001437867018 0.0813866194335894 834 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 YHR058C MED6 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0300684674122423 0.0818902121601863 835 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 YOL081W IRA2 hom FT SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.0300520298172635 0.081920481256319 836 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 YOR215C AIM41 hom FT MITOCHONDRION 0.0300343610573051 0.0820547613055333 837 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 YOR071C NRT1 hom FT PLASMA MEMBRANE 0.0299807233685807 0.0826028333475364 838 High-affinity nicotinamide riboside transporter; also transports thiamine with low affinity; shares sequence similarity with Thi7p and Thi72p; proposed to be involved in 5-fluorocytosine sensitivity thiamine transport|nicotinamide riboside transport nicotinamide riboside transporter activity integral to membrane|plasma membrane YCR106W RDS1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0299507743988982 0.0829101411997345 839 Putative zinc cluster transcription factor; involved in conferring resistance to cycloheximide response to xenobiotic stimulus sequence-specific DNA binding|DNA binding nucleus YBR175W SWD3 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0299215857151682 0.0832565528793277 840 Essential 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 and ortholog of mammalian WDR5 histone H3-K4 methylation|telomere maintenance|chromatin silencing at telomere histone methyltransferase activity (H3-K4 specific) Set1C/COMPASS complex YER002W NOP16 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0299048319270719 0.0834294247065268 841 Constituent of 66S pre-ribosomal particles, involved in 60S ribosomal subunit biogenesis ribosomal large subunit biogenesis molecular_function nucleolus|nucleus|preribosome, large subunit precursor YDR129C SAC6 hom FF|FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0298335926464746 0.0849588267377662 842 Fimbrin, actin-bundling protein; cooperates with Scp1p (calponin/transgelin) in the organization and maintenance of the actin cytoskeleton; relocalizes from plasma membrane to cytoplasm upon DNA replication stress bipolar cellular bud site selection|actin filament organization|endocytosis|response to osmotic stress actin filament binding|protein binding, bridging actin filament bundle|mating projection tip|actin cortical patch YMR247C RKR1 hom FT CHROMATIN ORGANIZATION|PROTEOLYSIS|GENE SILENCING|NUCLEUS 0.0298240676991925 0.0842205463653645 843 RING domain E3 ubiquitin ligase; involved in the ubiquitin-mediated degradation of non-stop proteins; functional connections to chromatin modification; nuclear protein that also co-localizes with ribosomes; homolog of mouse Listerin, whose mutation has been reported to cause neurodegeneration in mice chromatin modification|chromatin silencing at telomere|ubiquitin-dependent protein catabolic process|protein ubiquitination ubiquitin-protein ligase activity|ribosome binding ribosome|nucleus YIL018W RPL2B hom FT TRANSLATION|RIBOSOME 0.0297708303839039 0.0847761041332535 844 Ribosomal 60S subunit protein L2B; homologous to mammalian ribosomal protein L2 and bacterial L2; RPL2B has a paralog, RPL2A, that arose from the whole genome duplication; expression is upregulated at low temperatures cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YJL109C UTP10 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0297703298016501 0.0849674284828789 845 Nucleolar protein, component of the small subunit (SSU) processome containing the U3 snoRNA that is involved in processing of pre-18S rRNA; 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)|positive regulation of transcription from RNA polymerase I promoter|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 mitochondrion|90S preribosome|small-subunit processome|preribosome, small subunit precursor|integral to membrane|t-UTP complex|rDNA heterochromatin|nucleolus YHR132W-A IGO2 hom FT NUCLEUS 0.0296442343586288 0.086109101140057 846 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 YML074C FPR3 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS 0.0295029810593357 0.0876636592248878 847 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 YIR010W DSN1 het FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0294501518630464 0.0881855120872208 848 Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; important for chromosome segregation chromosome segregation molecular_function nuclear MIS12/MIND type complex|kinetochore|spindle pole YOL159C-A YOL159C-A hom FT NUCLEUS 0.0294409147706438 0.088570710920517 849 Protein of unknown function; overexpression affects endocytic protein trafficking; identified by sequence comparison with hemiascomycetous yeast species biological_process molecular_function nucleus|cytoplasm YIL041W GVP36 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0292974179626708 0.0900396714443404 850 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 YJL199C_d MBB1 hom 0.0292769780867856 0.0900721207855956 851 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; protein detected in large-scale protein-protein interaction studies Unknown Unknown Unknown YIR009W MSL1 hom FT RNA PROCESSING|NUCLEUS 0.0292674661290871 0.0901766805355918 852 U2B component of U2 snRNP, involved in splicing, binds the U2 snRNA stem-loop IV in vitro but requires association of Lea1p for in vivo binding; does not contain the conserved C-terminal RNA binding domain found in other family members mRNA splicing, via spliceosome U2 snRNA binding U2 snRNP|U2-type prespliceosome YML071C COG8 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0292415023694599 0.090462582987723 853 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 intra-Golgi vesicle-mediated transport|CVT pathway molecular_function Golgi transport complex YKL133C_p YKL133C hom 0.0292411239988962 0.0904667548343974 854 Putative protein of unknown function; has similarity to Mgr3p, but unlike MGR3, is not required for growth of cells lacking the mitochondrial genome (null mutation does not confer a petite-negative phenotype) biological_process molecular_function cellular_component YBR248C HIS7 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM 0.0292043788720615 0.091065685837103 855 Imidazole glycerol phosphate synthase (glutamine amidotransferase:cyclase), catalyzes the fifth step of histidine biosynthesis and also produces 5-aminoimidazole-4-carboxamide ribotide (AICAR), a purine precursor purine nucleoside monophosphate biosynthetic process|histidine biosynthetic process imidazoleglycerol-phosphate synthase activity intracellular YIL047C SYG1 hom FT SIGNALING|MITOCHONDRION|PLASMA MEMBRANE 0.0291942992278845 0.0909842319348465 856 Plasma membrane protein of unknown function; truncation and overexpression suppresses lethality of G-alpha protein deficiency signal transduction molecular_function mitochondrion|integral to membrane|plasma membrane YJL056C ZAP1 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0291698754274009 0.0914485624272496 857 Zinc-regulated transcription factor; binds to zinc-responsive promoters to induce transcription of certain genes in presence of zinc, represses other genes in low zinc; regulates its own transcription; contains seven zinc-finger domains regulation of transcription from RNA polymerase II promoter in response to zinc ion starvation|positive regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding RNA polymerase II transcription factor activity|RNA polymerase II regulatory region sequence-specific DNA binding|zinc ion binding nucleus YHR177W_p YHR177W hom 0.0291579032538149 0.0913880978811392 858 Putative protein of unknown function; overexpression causes a cell cycle delay or arrest biological_process molecular_function cellular_component YML009C-A_d YML009C-A hom 0.0291302492499982 0.0916959210055413 859 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YML102W CAC2 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0291188206957739 0.0918233778611749 860 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 YLR342W FKS1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE|CYTOSKELETON 0.0290218448750227 0.0929106348948729 861 Catalytic subunit of 1,3-beta-D-glucan synthase, functionally redundant with alternate catalytic subunit Gsc2p; binds to regulatory subunit Rho1p; involved in cell wall synthesis and maintenance; localizes to sites of cell wall remodeling (1->3)-beta-D-glucan biosynthetic process|positive regulation of endocytosis|regulation of cell size 1,3-beta-D-glucan synthase activity mitochondrion|1,3-beta-D-glucan synthase complex|integral to membrane|plasma membrane|cellular bud neck|cellular bud tip|actin cortical patch YMR119W ASI1 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0289556342250988 0.0945448545028562 862 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 YPR096C YPR096C hom 0.0289020777928211 0.0942676484078406 863 Protein of unknown function that may interact with ribosomes, based on co-purification experiments biological_process molecular_function ribosome YOR147W MDM32 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0289009949179215 0.0942799899155743 864 Mitochondrial inner membrane protein with similarity to Mdm31p, required for normal mitochondrial morphology and inheritance; interacts genetically with MMM1, MDM10, MDM12, and MDM34 mitochondrion inheritance|cellular ion homeostasis|mitochondrion organization molecular_function mitochondrion|mitochondrial inner membrane YOR186W_p YOR186W hom 0.0288607859268381 0.0947391684415633 865 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 YLR264C-A_p YLR264C-A hom 0.0286496429939618 0.0971798525524253 866 Putative protein of unknown function biological_process molecular_function cellular_component YOL097W-A_p YOL097W-A hom 0.028647163299242 0.0972088120494599 867 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YJL059W YHC3 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT 0.0285485670216602 0.0983658830590261 868 Vacuolar membrane protein involved in the ATP-dependent transport of arginine into the vacuole and possibly in balancing ion homeostasis; homolog of human CLN3 involved in Batten disease (juvenile onset neuronal ceroid lipofuscinosis) basic amino acid transport|regulation of intracellular pH|arginine transport molecular_function integral to membrane|fungal-type vacuole YDR454C GUK1 het FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0285399003185979 0.0984681141233876 869 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 YML078W CPR3 hom FT MITOCHONDRION 0.0285301776684948 0.0985829018889279 870 Mitochondrial peptidyl-prolyl cis-trans isomerase (cyclophilin), catalyzes the cis-trans isomerization of peptide bonds N-terminal to proline residues; involved in protein refolding after import into mitochondria protein folding|apoptotic process peptidyl-prolyl cis-trans isomerase activity mitochondrion YLR106C MDN1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEOTIDE METABOLISM|NUCLEUS|MITOCHONDRION 0.0284477807315981 0.0995599913615945 871 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 YLR002C NOC3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|CELL DIVISION|NUCLEUS 0.028430077696331 0.099821511913556 872 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 YLR372W SUR4 hom FF|FT VESICLE-MEDIATED TRANSPORT|KETONE METABOLISM|LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.0284185180277871 0.0999088504671298 873 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 YDR471W RPL27B hom FT TRANSLATION|RIBOSOME 0.0283846282489008 0.100314088810147 874 Ribosomal 60S subunit protein L27B; homologous to mammalian ribosomal protein L27, no bacterial homolog; RPL27B has a paralog, RPL27A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YIL134C-A_p YIL134C-A hom 0.0283534293771745 0.10068830738772 875 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YDL133W SRF1 hom 0.0282708266403595 0.101684466762794 876 Regulator of phospholipase D (Spo14p); interacts with Spo14p and regulates its catalytic activity; capable of buffering the toxicity of C16:0 platelet activating factor, a lipid that accumulates intraneuronally in Alzheimer's patients positive regulation of catalytic activity molecular_function integral to membrane YKR093W PTR2 hom FF|FT PROTEIN LOCALIZATION|PLASMA MEMBRANE 0.0282642124032655 0.101764570060447 877 Integral membrane peptide transporter, mediates transport of di- and tri-peptides; conserved protein that contains 12 transmembrane domains; PTR2 expression is regulated by the N-end rule pathway via repression by Cup9p dipeptide transport|tripeptide transport|peptide transport dipeptide transporter activity|tripeptide transporter activity|peptide transporter activity integral to membrane|plasma membrane YMR110C HFD1 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0282628583912149 0.101780974337056 878 Hexadecenal dehydrogenase; involved in the conversion of sphingosine 1-phosphate breakdown product hexadecenal to hexadecenoic acid; located in the mitochondrial outer membrane and also in lipid particles; has similarity to ALDH3A2, a human fatty aldehyde dehydrogenase (FALDH) mutated in Sjogren-Larsson syndrome, a neurocutaneous disorder cellular aldehyde metabolic process 3-chloroallyl aldehyde dehydrogenase activity mitochondrial outer membrane|endosome|mitochondrion|lipid particle|integral to mitochondrial outer membrane YMR190C SGS1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0282329851738898 0.102143433282177 879 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 YGL223C COG1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0281341258549213 0.103711233469991 880 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 retrograde transport, vesicle recycling within Golgi|intra-Golgi vesicle-mediated transport|CVT pathway molecular_function Golgi transport complex YGR292W MAL12 hom FT CARBOHYDRATE METABOLISM 0.0279331039787693 0.106099859315183 881 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 YKR086W PRP16 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0279267672251395 0.105918336596875 882 DEAH-box RNA helicase involved in second catalytic step of splicing; exhibits ATP-dependent RNA unwinding activity; mediates the release of Yju2p and Cwc25p in the second step; in the absence of ATP, stabilizes the binding of Cwc25p to the spliceosome in the first catalytic step generation of catalytic spliceosome for second transesterification step second spliceosomal transesterification activity|RNA-dependent ATPase activity U2-type catalytic step 2 spliceosome YML003W_p YML003W hom 0.0278978886013664 0.106279971366959 883 Putative protein of unknown function biological_process molecular_function cellular_component YER136W GDI1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT 0.0278103761573515 0.107381830579674 884 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 YGL095C VPS45 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0277908891697408 0.107786061598428 885 Protein of the Sec1p/Munc-18 family, essential for vacuolar protein sorting; required for the function of Pep12p and the early endosome/late Golgi SNARE Tlg2p; essential for fusion of Golgi-derived vesicles with the prevacuolar compartment vacuole inheritance|CVT pathway|positive regulation of SNARE complex assembly|Golgi vesicle fusion to target membrane|Golgi to vacuole transport|vacuole organization|vacuolar acidification|protein targeting to vacuole|Golgi to endosome transport unfolded protein binding|SNARE binding cytosol|SNARE complex|Golgi membrane|extrinsic to membrane YNL276C_d YNL276C hom 0.0277843350219675 0.107711451781596 886 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 YHL001W RPL14B hom FT TRANSLATION|RIBOSOME 0.0277793602067311 0.107984901563535 887 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 YNL154C YCK2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL DIVISION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0277592084264675 0.108030255621298 888 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 YNL143C_p YNL143C hom 0.0277203211578431 0.108736222391705 889 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YML101C-A_d YML101C-A hom 0.0276986449497293 0.108801747943858 890 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YCR017C CWH43 hom FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0276701200061391 0.109166620965304 891 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 YKR076W ECM4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|CELL WALL ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS 0.0276140542768616 0.109886596442334 892 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 YFR020W_p YFR020W hom 0.0275017336642306 0.111393642174687 893 Protein of unknown function; mRNA identified as translated by ribosome profiling data biological_process molecular_function cellular_component YHR047C AAP1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEOLYSIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0274336068861885 0.112229321993051 894 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 YJR108W ABM1 hom FT CYTOSKELETON ORGANIZATION 0.0274013344130294 0.112652431622495 895 Protein of unknown function, required for normal microtubule organization microtubule cytoskeleton organization molecular_function cellular_component YNL016W PUB1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|NUCLEUS 0.0273138333106456 0.11418414406076 896 Poly (A)+ RNA-binding protein; abundant mRNP-component protein that binds mRNA and is required for stability of many mRNAs; component of glucose deprivation induced stress granules, involved in P-body-dependent granule assembly; protein abundance increases in response to DNA replication stress nuclear-transcribed mRNA catabolic process, nonsense-mediated decay|stress granule assembly|regulation of mRNA stability mRNA binding|poly(U) RNA binding nucleus|cytoplasmic stress granule|cytoplasm YNL088W TOP2 het FT CELL CYCLE|CHROMATIN ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0272328752424677 0.114881461044526 897 Topoisomerase II, relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone of both positively and negatively supercoiled DNA; cleaves complementary strands; localizes to axial cores in meiosis; required for replication slow zone (RSZ) breakage following Mec1p inactivation chromatin assembly or disassembly|chromatin remodeling at centromere|replication fork progression beyond termination site|mitotic cell cycle G2/M transition decatenation checkpoint|DNA topological change|DNA strand elongation involved in DNA replication|regulation of mitotic recombination|reciprocal meiotic recombination DNA topoisomerase (ATP-hydrolyzing) activity DNA replication termination region|synaptonemal complex|mitochondrion|nucleus YOR247W SRL1 hom FT CELL WALL ORG/BIOGENESIS|SITE OF POLARIZED GROWTH 0.0271766102771183 0.115633629885925 898 Mannoprotein that exhibits a tight association with the cell wall; required for cell wall stability in the absence of GPI-anchored mannoproteins; has a high serine-threonine content; expression is induced in cell wall mutants; SRL1 has a paralog, SVS1, that arose from the whole genome duplication fungal-type cell wall organization|nucleobase-containing compound metabolic process molecular_function fungal-type cell wall|fungal-type vacuole|cytoplasm|cellular bud tip YPL212C PUS1 hom FT RNA PROCESSING|NUCLEUS 0.0271084974857301 0.116549356389617 899 tRNA:pseudouridine synthase, introduces pseudouridines at positions 26-28, 34-36, 65, and 67 of tRNA; nuclear protein that appears to be involved in tRNA export; also acts on U2 snRNA snRNA pseudouridine synthesis|tRNA pseudouridine synthesis pseudouridine synthase activity nucleus YPR018W RLF2 hom FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0270988081319742 0.116680083981459 900 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 YNL137C NAM9 het FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0270889007937825 0.116813871596411 901 Mitochondrial ribosomal component of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YOR188W MSB1 hom FT MITOCHONDRION|SITE OF POLARIZED GROWTH 0.0270395299894174 0.11748236561979 902 Protein of unknown function; may be involved in positive regulation of 1,3-beta-glucan synthesis and the Pkc1p-MAPK pathway; multicopy suppressor of temperature-sensitive mutations in CDC24 and CDC42, and of mutations in BEM4; potential Cdc28p substrate; relocalizes from bud neck to cytoplasm upon DNA replication stress establishment of cell polarity molecular_function mitochondrion|cellular bud neck|cellular bud tip YLR026C SED5 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.027020393587343 0.11779709301106 903 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 YDR476C_p YDR476C hom FT ENDOPLASMIC RETICULUM 0.0269800608868863 0.118291574020364 904 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 YLR311C_d YLR311C hom 0.0269055144064789 0.119312107669288 905 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR083C EMP70 hom FT VESICLE-MEDIATED TRANSPORT|ION HOMEOSTASIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT 0.026893989316065 0.119470498622956 906 Protein with a role in cellular adhesion, filamentous growth, and endosome-to-vacuole sorting; similar to Tmn2p and Tmn3p; member of Transmembrane Nine family of proteins with 9 transmembrane segments cellular copper ion homeostasis|vacuolar transport|pseudohyphal growth|endosomal transport|invasive growth in response to glucose limitation molecular_function endosome|fungal-type vacuole membrane|integral to membrane YNR002C ATO2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION|PLASMA MEMBRANE 0.0267744536618888 0.121123020702276 907 Putative transmembrane protein involved in export of ammonia; ammonia is a starvation signal that promotes cell death in aging colonies; phosphorylated in mitochondria; member of the TC 9.B.33 YaaH family; homolog of Y. lipolytica Gpr1p; ATO2 has a paralog, ADY2, that arose from the whole genome duplication ammonium transport|nitrogen utilization ammonium transmembrane transporter activity mitochondrion|integral to membrane|plasma membrane YNR049C MSO1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0267218906867884 0.122134001129481 908 Probable component of the secretory vesicle docking complex; acts at a late step in secretion; shows genetic and physical interactions with Sec1p; required for prospore membrane formation during sporulation; relocalizes from bud neck to nucleus upon DNA replication stress cellular membrane fusion|ascospore-type prospore membrane assembly|vesicle docking involved in exocytosis molecular_function SNARE complex|cellular bud membrane|plasma membrane|prospore membrane|cellular bud neck|cellular bud tip YOR035C SHE4 hom FF|FT CYTOSKELETON ORGANIZATION|RNA LOCALIZATION 0.0267018817963157 0.122637648888415 909 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 YOR266W PNT1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0266915536881074 0.122279530665145 910 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 YPR197C_d YPR197C hom FF 0.0266838854081896 0.122386942680074 911 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL205C_d YPL205C hom 0.0266589101218225 0.122737290350214 912 Hypothetical protein; deletion of locus affects telomere length Unknown Unknown Unknown YDR001C NTH1 hom FT CARBOHYDRATE METABOLISM 0.0266544716259959 0.122799634439414 913 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 YNL071W LAT1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0266026482560065 0.123529387965344 914 Dihydrolipoamide acetyltransferase component (E2) of pyruvate dehydrogenase complex, which catalyzes the oxidative decarboxylation of pyruvate to acetyl-CoA acetyl-CoA biosynthetic process from pyruvate dihydrolipoyllysine-residue acetyltransferase activity mitochondrion|mitochondrial pyruvate dehydrogenase complex YPR150W_d YPR150W hom 0.026593585353543 0.123713407498011 915 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 YBL062W_d YBL062W hom 0.0265870051078345 0.123750331395493 916 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YMR075W RCO1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0265663477315866 0.12404256787898 917 Essential subunit of the histone deacetylase Rpd3S complex; interacts with Eaf3p regulation of DNA-dependent DNA replication initiation|negative regulation of antisense RNA transcription|transcription elongation from RNA polymerase II promoter|histone deacetylation molecular_function Rpd3S complex|histone deacetylase complex|nucleus|Rpd3L complex YOR209C NPT1 hom FF|FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|GENE SILENCING|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0265522722040482 0.124242000171571 918 Nicotinate phosphoribosyltransferase, acts in the salvage pathway of NAD+ biosynthesis; required for silencing at rDNA and telomeres and has a role in silencing at mating-type loci; localized to the nucleus chromatin silencing at rDNA|replicative cell aging|nicotinate nucleotide salvage|chromatin silencing at telomere nicotinate phosphoribosyltransferase activity nucleus YGR266W YGR266W hom FT MITOCHONDRION|PLASMA MEMBRANE 0.0265502555699928 0.12427059377359 919 Protein of unknown function; predicted to contain a single transmembrane domain; mutant has increased aneuploidy tolerance; localized to both the mitochondrial outer membrane and the plasma membrane; protein abundance increases in response to DNA replication stress biological_process molecular_function mitochondrial outer membrane|mitochondrion|plasma membrane YMR260C TIF11 het FT TRANSLATION|RIBOSOME 0.0265407852389975 0.124404941050479 920 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 YLR071C RGR1 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0265211067061061 0.124684465242241 921 Subunit of the RNA polymerase II mediator complex; associates with core polymerase subunits to form the RNA polymerase II holoenzyme; required for glucose repression, HO repression, RME1 repression and sporulation negative regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter RNA polymerase II repressing transcription factor binding core mediator complex YJR041C URB2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0264533271723423 0.125933555962457 922 Nucleolar protein required for normal metabolism of the rRNA primary transcript, proposed to be involved in ribosome biogenesis rRNA metabolic process|ribosome biogenesis molecular_function nucleolus YKL181W PRS1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM 0.0263974991171884 0.126451462199009 923 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 YGR007W ECT1 hom FT LIPID METABOLISM|NUCLEUS 0.0263911763159158 0.126542369285343 924 Ethanolamine-phosphate cytidylyltransferase, catalyzes the second step of phosphatidylethanolamine biosynthesis; involved in the maintenance of plasma membrane; similar to mammalian CTP: phosphocholine cytidylyl-transferases phosphatidylethanolamine biosynthetic process ethanolamine-phosphate cytidylyltransferase activity nucleus|cytoplasm YDR207C UME6 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|CHROMOSOME 0.0263617679341084 0.127136103886089 925 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 YLL015W BPT1 hom FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS 0.0263024820679115 0.127879840886734 926 ABC type transmembrane transporter of MRP/CFTR family, found in vacuolar membrane, involved in the transport of unconjugated bilirubin and in heavy metal detoxification via glutathione conjugates, along with Ycf1p cadmium ion transport|bilirubin transport bilirubin transmembrane transporter activity|cadmium ion transmembrane transporter activity fungal-type vacuole membrane|integral to membrane YLL013C PUF3 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|RNA LOCALIZATION|MITOCHONDRION 0.0262574980507812 0.12847627817425 927 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 YDR387C_p YDR387C hom 0.0262316172303283 0.128853332483634 928 Putative transporter, member of the sugar porter family; YDR387C is not an essential gene transport|transmembrane transport substrate-specific transmembrane transporter activity integral to membrane|membrane YNL270C ALP1 hom FT PLASMA MEMBRANE 0.0261266364950277 0.130448990308087 929 Arginine transporter; expression is normally very low and it is unclear what conditions would induce significant expression; ALP1 has a paralog, CAN1, that arose from the whole genome duplication basic amino acid transport basic amino acid transmembrane transporter activity integral to membrane|plasma membrane YOR136W IDH2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.026121824070136 0.130462457979145 930 Subunit of mitochondrial NAD(+)-dependent isocitrate dehydrogenase, which catalyzes the oxidation of isocitrate to alpha-ketoglutarate in the TCA cycle; phosphorylated glutamate biosynthetic process|isocitrate metabolic process|tricarboxylic acid cycle isocitrate dehydrogenase (NAD+) activity mitochondrial isocitrate dehydrogenase complex (NAD+)|mitochondrion|mitochondrial matrix YGL227W VID30 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS 0.0260906084201986 0.130980277294592 931 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 YML035C AMD1 hom FT NUCLEOTIDE METABOLISM 0.0260346214361034 0.132329314070079 932 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 YIL039W TED1 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0260097141441085 0.132121574479439 933 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 YBR216C YBP1 hom FT RESPONSE TO OXIDATIVE STRESS 0.026008251137516 0.132201055114598 934 Protein involved in cellular response to oxidative stress; required for oxidation of specific cysteine residues of transcription factor Yap1p, resulting in nuclear localization of Yap1p in response to stress; YBP1 has a paralog, YBP2, that arose from the whole genome duplication cellular response to oxidative stress molecular_function cytoplasm YKL035W UGP1 het FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0259885920359816 0.13243598214842 935 UDP-glucose pyrophosphorylase (UGPase); catalyses the reversible formation of UDP-Glc from glucose 1-phosphate and UTP, involved in a wide variety of metabolic pathways, expression modulated by Pho85p through Pho4p; UGP1 has a paralog, YHL012W, that arose from the whole genome duplication (1->6)-beta-D-glucan biosynthetic process|UDP-glucose metabolic process|trehalose biosynthetic process|glycogen biosynthetic process UTP:glucose-1-phosphate uridylyltransferase activity plasma membrane|cytoplasm YLR434C_d YLR434C hom 0.0259470153329905 0.1330565532713 936 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF TSR2/YLR435W Unknown Unknown Unknown YKL149C DBR1 hom FT RNA PROCESSING|NUCLEUS 0.0258973148859642 0.133859361712589 937 RNA lariat debranching enzyme, involved in intron turnover; required for efficient Ty1 transposition snoRNA metabolic process|pseudohyphal growth|RNA catabolic process|transposition, RNA-mediated RNA lariat debranching enzyme activity nucleus YNR034W SOL1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|RNA LOCALIZATION|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0258686508728673 0.134232330179964 938 Protein with a possible role in tRNA export; shows similarity to 6-phosphogluconolactonase non-catalytic domains but does not exhibit this enzymatic activity; homologous to Sol3p and Sol4p; SOL1 has a paralog, SOL2, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress tRNA export from nucleus molecular_function|6-phosphogluconolactonase activity nucleus|cytoplasm YHR063C PAN5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|COFACTOR METABOLISM 0.0258475654838835 0.134550061585145 939 2-dehydropantoate 2-reductase, part of the pantothenic acid pathway, structurally homologous to E. coli panE pantothenate biosynthetic process 2-dehydropantoate 2-reductase activity cytoplasm YDR338C_p YDR338C hom 0.0258453321665064 0.134583748996027 940 Putative protein of unknown function, member of the multi-drug and toxin extrusion (MATE) family of the multidrug/oligosaccharidyl-lipid/polysaccharide (MOP) exporter superfamily transmembrane transport antiporter activity integral to membrane YMR295C YMR295C hom FT SITE OF POLARIZED GROWTH 0.025792742727855 0.135437219182316 941 Protein of unknown function that associates with ribosomes; green fluorescent protein (GFP)-fusion protein localizes to the cell periphery and bud; YMR295C is not an essential gene; protein abundance increases in response to DNA replication stress biological_process molecular_function ribosome|cellular bud|mating projection tip YNR015W SMM1 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0257835493647339 0.135518268545228 942 Dihydrouridine synthase, member of a family of dihydrouridine synthases including Dus1p, Smm1p, Dus3p, and Dus4p; modifies uridine residues at position 20 of cytoplasmic tRNAs tRNA processing|tRNA modification tRNA dihydrouridine synthase activity nucleus|cytoplasm YBR278W DPB3 hom FT RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0257528561774084 0.135984389054137 943 Third-largest subunit of DNA polymerase II (DNA polymerase epsilon); required to maintain fidelity of chromosomal replication and also for 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; mRNA abundance peaks at the G1/S boundary of the cell cycle; DPB3 has a paralog, DLS1, that arose from the whole genome duplication DNA-dependent DNA replication|chromatin silencing at telomere double-stranded DNA binding|single-stranded DNA binding|DNA-directed DNA polymerase activity epsilon DNA polymerase complex YLR042C_p YLR042C hom 0.0257378320354196 0.136213003014827 944 Protein of unknown function; localizes to the cytoplasm; YLL042C is not an essential gene biological_process molecular_function fungal-type cell wall YFL017C GNA1 het FT CARBOHYDRATE METABOLISM|NUCLEUS 0.0257338062854663 0.136274310949382 945 Evolutionarily conserved glucosamine-6-phosphate acetyltransferase required for multiple cell cycle events including passage through START, DNA synthesis, and mitosis; involved in UDP-N-acetylglucosamine synthesis, forms GlcNAc6P from AcCoA UDP-N-acetylglucosamine biosynthetic process glucosamine 6-phosphate N-acetyltransferase activity nucleus|cytoplasm YPL128C TBF1 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0256680263209414 0.137279089338355 946 Telobox-containing general regulatory factor; binds TTAGGG repeats within subtelomeric anti-silencing regions (STARs), blocking silent chromatin propagation; binds majority of snoRNA gene promoters, required for full snoRNA expression; caps DSB flanked by long T2AG3 repeats and blocks checkpoint activation telomere maintenance via telomere lengthening|negative regulation of chromatin silencing|snoRNA transcription from an RNA polymerase II promoter|negative regulation of telomere maintenance via telomerase RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity|RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding|chromatin insulator sequence binding|telomeric DNA binding nuclear chromosome, telomeric region|nucleus YIR004W DJP1 hom FT PROTEIN LOCALIZATION|PEROXISOME ORGANIZATION 0.0255924938096542 0.138439869463591 947 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 YJL019W MPS3 het FT CELL CYCLE|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS|CHROMOSOME|CYTOSKELETON 0.0255748549133573 0.138770955895754 948 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 YNR005C_d YNR005C hom 0.0255300326103109 0.13940546780285 949 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNR008W LRO1 hom FT LIPID METABOLISM|ENDOPLASMIC RETICULUM 0.0255166729862215 0.139612667661467 950 Acyltransferase that catalyzes diacylglycerol esterification; one of several acyltransferases that contribute to triglyceride synthesis; putative homolog of human lecithin cholesterol acyltransferase lipid storage|triglyceride biosynthetic process phospholipid:diacylglycerol acyltransferase activity lipid particle|perinuclear endoplasmic reticulum YPR114W_p YPR114W hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0254786864576618 0.14020311083163 951 Putative protein of unknown function biological_process molecular_function integral to membrane|endoplasmic reticulum YOL045W PSK2 hom FT SIGNALING|TRANSLATION|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0254690272274275 0.140472016601305 952 PAS-domain containing serine/threonine protein kinase; regulates sugar flux and translation in response to an unknown metabolite by phosphorylating Ugp1p and Gsy2p (sugar flux) and Caf20p, Tif11p and Sro9p (translation); PSK2 has a paralog, PSK1, that arose from the whole genome duplication regulation of (1->6)-beta-D-glucan biosynthetic process|negative regulation of glycogen biosynthetic process|protein phosphorylation protein serine/threonine kinase activity mitochondrion|cytoplasm YPL174C NIP100 hom FT CELL CYCLE|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0254637731908462 0.140791247880671 953 Large subunit of the dynactin complex, which is involved in partitioning the mitotic spindle between mother and daughter cells; putative ortholog of mammalian p150(glued) establishment of mitotic spindle orientation microtubule binding dynactin complex|cell cortex|spindle pole body|astral microtubule YOR146W_d YOR146W het 0.025448987667759 0.140843968465443 954 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; open reading frame overlaps the verified gene PNO1/YOR145C Unknown Unknown Unknown YER107C GLE2 hom FF|FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0254427243310686 0.140763855232045 955 RNA export factor associated with the nuclear pore complex (NPC); associates with NUP116p; required for polyadenylated RNA export but not for protein import; homologous to S. pombe Rae1p and human RAE1 poly(A)+ mRNA export from nucleus|Unknown|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|nuclear pore distribution|transcription-dependent tethering of RNA polymerase II gene DNA at nuclear periphery molecular_function integral to membrane|nuclear pore|cytoplasm YPL164C MLH3 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0254404006581445 0.140800146619063 956 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 YNL023C FAP1 hom FT NUCLEUS 0.0254213539669746 0.141097891084206 957 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 YDL052C SLC1 hom FT LIPID METABOLISM 0.0253885570073087 0.141611717846079 958 1-acyl-sn-glycerol-3-phosphate acyltransferase, catalyzes the acylation of lysophosphatidic acid to form phosphatidic acid, a key intermediate in lipid metabolism; enzymatic activity detected in lipid particles and microsomes glycerophospholipid biosynthetic process 1-acylglycerol-3-phosphate O-acyltransferase activity lipid particle YAL026C DRS2 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RIBOSOME BIOGENESIS|ION HOMEOSTASIS|ION HOMEOSTASIS|GOLGI APPARATUS 0.0253824878161162 0.141766413177679 959 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 YLL023C POM33 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|NUCLEAR PORE 0.0253623753802241 0.142022933318915 960 Transmembrane nucleoporin; involved in nuclear pore complex (NPC) distribution, assembly or stabilization; highly conserved across species, orthologous to human TMEM33 and paralogous to Per33p; protein abundance increases in response to DNA replication stress nuclear pore organization|nuclear pore complex assembly structural constituent of nuclear pore ribosome|integral to membrane|endoplasmic reticulum|nuclear pore YOL064C MET22 hom FT KETONE METABOLISM|LIPID METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0253453355707311 0.142291057072795 961 Bisphosphate-3'-nucleotidase, involved in salt tolerance and methionine biogenesis; dephosphorylates 3'-phosphoadenosine-5'-phosphate and 3'-phosphoadenosine-5'-phosphosulfate, intermediates of the sulfate assimilation pathway methionine biosynthetic process|hyperosmotic salinity response|sulfate assimilation 3'(2'),5'-bisphosphate nucleotidase activity cellular_component YDL097C RPN6 het FT PROTEIN COMPLEX ORG/BIOGENESIS|PROTEOLYSIS 0.0253420489830554 0.142342816647904 962 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 YOR260W GCD1 het FT TRANSLATION 0.025327143678573 0.142637340190581 963 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 YGR130C YGR130C hom 0.0250408391220692 0.147329301486415 964 Component of the eisosome with unknown function; GFP-fusion protein localizes to the cytoplasm; specifically phosphorylated in vitro by mammalian diphosphoinositol pentakisphosphate (IP7) biological_process molecular_function eisosome|membrane raft|cytoplasm YMR126C_p DLT1 hom 0.0250237731424363 0.147484447728722 965 Protein of unknown function, mutant sensitive to 6-azauracil (6AU) and mycophenolic acid (MPA) biological_process molecular_function cellular_component YPR077C_d YPR077C hom 0.0250067940330995 0.147698945102093 966 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 YFL019C_d YFL019C hom 0.0249849178637864 0.148053724615148 967 Dubious open reading frame unlikely to encode a protein; YFL019C is not an essential gene Unknown Unknown Unknown YCR067C SED4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0249323268422877 0.149152085560158 968 Integral endoplasmic reticulum membrane protein that stimulates Sar1p GTPase activity; involved in COPII vesicle budding through disassociation of coat proteins from membranes onto liposomes; binds Sec16p; similar to Sec12p positive regulation of GTPase activity|regulation of COPII vesicle coating Sar GTPase activator activity integral to endoplasmic reticulum membrane YER156C_p YER156C hom FT NUCLEUS 0.0249165155221309 0.149167247365359 969 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 YML002W_p YML002W hom 0.0248505783581678 0.150246676560942 970 Putative protein of unknown function; expression induced by heat and by calcium shortage biological_process molecular_function cellular_component YFR049W YMR31 hom FT TRANSLATION|MITOCHONDRION|RIBOSOME 0.0248333810299132 0.150529183217788 971 Mitochondrial ribosomal protein of the small subunit, has similarity to human mitochondrial ribosomal protein MRP-S36 cytoplasmic translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YGR217W CCH1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0248261134359835 0.150648692182266 972 Voltage-gated high-affinity calcium channel involved in calcium influx in response to some environmental stresses as well as exposure to mating pheromones; interacts and co-localizes with Mid1p, suggesting Cch1p and Mid1p function together calcium ion transport voltage-gated calcium channel activity|calcium channel activity integral to membrane|plasma membrane YJL083W TAX4 hom FT LIPID METABOLISM|SIGNALING|CELL WALL ORG/BIOGENESIS|RESPONSE TO NUTRIENT LEVELS 0.0248236362179238 0.150689444293786 973 EH domain-containing protein; involved in regulating phosphatidylinositol 4,5-bisphosphate levels and autophagy; Irs4p and Tax4p bind and activate the PtdIns phosphatase Inp51p; Irs4p and Tax4p are involved in localizing Atg17p to the PAS; TAX4 has a paralog, IRS4, that arose from the whole genome duplication autophagy|fungal-type cell wall organization|inositol lipid-mediated signaling|CVT pathway|cellular response to starvation molecular_function pre-autophagosomal structure YIL012W_d YIL012W hom 0.0247733960729371 0.151701051579005 974 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL154W MSH5 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0247544197650944 0.151831506325924 975 Protein of the MutS family, forms a dimer with Msh4p that facilitates crossovers between homologs during meiosis; msh5-Y823H mutation confers tolerance to DNA alkylating agents; homologs present in C. elegans and humans reciprocal meiotic recombination molecular_function nucleus YBR044C TCM62 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0247451191573438 0.151985465854907 976 Protein involved in the assembly of the mitochondrial succinate dehydrogenase complex; putative chaperone mitochondrial respiratory chain complex II assembly unfolded protein binding mitochondrion|mitochondrial inner membrane YHR001W-A QCR10 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0247380726846588 0.152102190180437 977 Subunit of the ubiqunol-cytochrome c oxidoreductase complex which includes Cobp, Rip1p, Cyt1p, Cor1p, Qcr2p, Qcr6p, Qcr7p, Qcr8p, Qcr9p, and Qcr10p and comprises part of the mitochondrial respiratory chain mitochondrial electron transport, ubiquinol to cytochrome c|aerobic respiration ubiquinol-cytochrome-c reductase activity mitochondrion|mitochondrial respiratory chain complex III YNR006W VPS27 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT 0.0247342441794377 0.152655824499683 978 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 YGL093W SPC105 het FF|FT PROTEIN LOCALIZATION|CELL CYCLE|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0247236032186108 0.152464524318544 979 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 YEL071W DLD3 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS 0.024683830927858 0.153002985798625 980 D-lactate dehydrogenase, part of the retrograde regulon which consists of genes whose expression is stimulated by damage to mitochondria and reduced in cells grown with glutamate as the sole nitrogen source, located in the cytoplasm lactate metabolic process|filamentous growth D-lactate dehydrogenase (cytochrome) activity cytoplasm YLR193C UPS1 hom FT LIPID METABOLISM|MITOCHONDRION 0.0246730493544083 0.153182518235941 981 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 YMR007W_d YMR007W hom 0.0246610557909866 0.153382420592704 982 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGR061C ADE6 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM 0.0246591347424188 0.153414458027741 983 Formylglycinamidine-ribonucleotide (FGAM)-synthetase, catalyzes a step in the 'de novo' purine nucleotide biosynthetic pathway 'de novo' IMP biosynthetic process|purine nucleotide biosynthetic process phosphoribosylformylglycinamidine synthase activity cytoplasm YCL075W YCL075W hom FT NUCLEUS 0.024643562268107 0.153674348816115 984 Pseudogene: encodes fragment of Ty Pol protein transposition, RNA-mediated ribonuclease activity|peptidase activity|RNA binding|RNA-directed DNA polymerase activity|DNA-directed DNA polymerase activity retrotransposon nucleocapsid YLR060W FRS1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0245995624545239 0.15441047483295 985 Beta subunit of cytoplasmic phenylalanyl-tRNA synthetase, forms a tetramer with Frs2p to generate active enzyme; able to hydrolyze mis-aminoacylated tRNA-Phe, which could contribute to translational quality control phenylalanyl-tRNA aminoacylation phenylalanine-tRNA ligase activity phenylalanine-tRNA ligase complex|cytoplasm YDR502C SAM2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM 0.0245905944730747 0.154560839013614 986 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 YER044C ERG28 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0245630328342188 0.15502365494353 987 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 YOR295W UAF30 hom FT CHROMATIN ORGANIZATION|NUCLEUS 0.0245555315687882 0.155334792427686 988 Subunit of UAF (upstream activation factor); UAF is an RNA polymerase I specific transcription stimulatory factor composed of Uaf30p, Rrn5p, Rrn9p, Rrn10p, histones H3 and H4; deletion decreases cellular growth rate; UAF30 has a paralog, TRI1, that arose from the whole genome duplication transcription of nuclear large rRNA transcript from RNA polymerase I promoter|chromatin organization RNA polymerase I upstream control element sequence-specific DNA binding|RNA polymerase I upstream control element sequence-specific DNA binding transcription factor activity nucleolus|RNA polymerase I upstream activating factor complex YFR048W RMD8 hom FT CELL CYCLE 0.0244787855811616 0.156506692741369 989 Cytosolic protein required for sporulation biological_process molecular_function cytoplasm YMR241W YHM2 hom FT ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.0244427109917157 0.157056429872891 990 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 YJL188C_d BUD19 hom 0.0244283666710995 0.157300110892573 991 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 YDL054C MCH1 hom 0.024413311147694 0.15761818102353 992 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 integral to membrane|membrane YLR052W IES3 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.02440961149338 0.157743200390413 993 Subunit of the INO80 chromatin remodeling complex nucleosome mobilization|telomere maintenance|chromatin silencing at telomere molecular_function nucleus|Ino80 complex YLR003C CMS1 hom FT NUCLEUS 0.0244035734586935 0.157721972654426 994 Putative subunit of the 90S preribosome processome complex; overexpression rescues supressor mutant of mcm10; null mutant is viable; relocalizes from nucleus to cytoplasm upon DNA replication stress biological_process molecular_function nucleus|90S preribosome YKL096W CWP1 hom FT MEMBRANE ORGANIZATION|CELL WALL ORG/BIOGENESIS 0.0243884991490471 0.15797888370633 995 Cell wall mannoprotein that localizes specifically to birth scars of daughter cells, linked to a beta-1,3- and beta-1,6-glucan heteropolymer through a phosphodiester bond; required for propionic acid resistance fungal-type cell wall organization|ascospore-type prospore membrane assembly structural constituent of cell wall fungal-type cell wall|cellular birth scar|prospore membrane YIL119C RPI1 hom FT SIGNALING|NUCLEUS 0.0243717054879607 0.158265470569043 996 Transcription factor with allelic differences between S288C and Sigma1278b; mediates fermentation stress tolerance by modulating cell wall integrity; overexpression suppresses heat shock sensitivity of wild-type RAS2 overexpression and also suppresses cell lysis defect of mpk1 mutation; allele from S288c can confer fMAPK pathway independent transcription of FLO11; S288C and Sigma1278b alleles differ in number of tandem repeats within ORF fungal-type cell wall biogenesis|Ras protein signal transduction|positive regulation of transcription from RNA polymerase II promoter small GTPase regulator activity nucleus YCR030C SYP1 hom FT CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH 0.0243307363715678 0.158966266709223 997 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 YIR026C YVH1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RIBOSOME BIOGENESIS|SIGNALING|CELL WALL ORG/BIOGENESIS|NUCLEUS 0.0243291946613823 0.158992684146222 998 Protein phosphatase involved in vegetative growth at low temperatures, sporulation, and glycogen accumulation; mutants are defective in 60S ribosome assembly; member of the dual-specificity family of protein phosphatases meiosis|ascospore wall assembly|ribosomal large subunit assembly|cAMP-mediated signaling|protein dephosphorylation protein tyrosine phosphatase activity|protein tyrosine/serine/threonine phosphatase activity nucleus|preribosome, large subunit precursor|cytoplasm YGR074W SMD1 het FT RNA PROCESSING|NUCLEUS 0.024298667178061 0.159516461308014 999 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 YKR097W PCK1 hom FT CARBOHYDRATE METABOLISM 0.0242597758638604 0.160185629825991 1000 Phosphoenolpyruvate carboxykinase, key enzyme in gluconeogenesis, catalyzes early reaction in carbohydrate biosynthesis, glucose represses transcription and accelerates mRNA degradation, regulated by Mcm1p and Cat8p, located in the cytosol gluconeogenesis phosphoenolpyruvate carboxykinase (ATP) activity cytosol YIL144W TID3 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0242177477014584 0.160911153689318 1001 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 YOR170W_d YOR170W hom 0.0241849014029553 0.161479898262601 1002 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene LCB4 Unknown Unknown Unknown YDL082W RPL13A hom FT TRANSLATION|RIBOSOME 0.0241758946204342 0.16163611845509 1003 Ribosomal 60S subunit protein L13A; not essential for viability; homologous to mammalian ribosomal protein L13, no bacterial homolog; RPL13A has a paralog, RPL13B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YPL093W NOG1 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0241273578096604 0.16247994023597 1004 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 YDL036C PUS9 hom FT RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.0241183375133448 0.162637125225145 1005 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 YGL180W ATG1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|PROTEIN PHOSPHORYLATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0240912466044161 0.16310989260211 1006 Protein ser/thr kinase required for vesicle formation in autophagy and the cytoplasm-to-vacuole targeting (Cvt) pathway; structurally required for phagophore assembly site formation; during autophagy forms a complex with Atg13p and Atg17p piecemeal microautophagy of nucleus|mitochondrion degradation|protein phosphorylation|CVT pathway|autophagic vacuole assembly protein serine/threonine kinase activity|protein kinase activity cytosol|pre-autophagosomal structure|Atg1p signaling complex YDR418W RPL12B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.024088605513819 0.163156038012721 1007 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 YKR103W NFT1 hom FT NUCLEOTIDE METABOLISM 0.0240829904392703 0.16331700230242 1008 Putative transporter of the multidrug resistance-associated protein (MRP) subfamily; adjacent ORFs YKR103W and YKR104W are merged in different strain backgrounds. transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|membrane YFL063W_d YFL063W hom 0.0240773133879951 0.163604965477586 1009 Dubious open reading frame, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL054W TIM54 het FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0240709843717146 0.163464168299711 1010 Component of the mitochondrial TIM22 complex involved in insertion of polytopic proteins into the inner membrane protein import into mitochondrial inner membrane protein channel activity mitochondrion|integral to membrane|mitochondrial inner membrane protein insertion complex YNL287W SEC21 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0240436098055477 0.163943720219287 1011 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 YNR001C CIT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0240293677936678 0.164193632669968 1012 Citrate synthase; catalyzes the condensation of acetyl coenzyme A and oxaloacetate to form citrate; the rate-limiting enzyme of the TCA cycle; nuclear encoded mitochondrial protein; CIT1 has a paralog, CIT2, that arose from the whole genome duplication glutamate biosynthetic process|tricarboxylic acid cycle|acetyl-CoA catabolic process|citrate metabolic process citrate (Si)-synthase activity mitochondrion YGR277C CAB4 het FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0239848575395412 0.165039592909186 1013 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 YKR005C_p YKR005C hom 0.0239076061762848 0.16634197319546 1014 Putative protein of unknown function biological_process molecular_function cellular_component YIL124W AYR1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0238924200728119 0.166674678658798 1015 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 YKL113C RAD27 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.0238435082194969 0.167481360805844 1016 5' to 3' exonuclease, 5' flap endonuclease, required for Okazaki fragment processing and maturation as well as for long-patch base-excision repair; member of the S. pombe RAD2/FEN1 family double-strand break repair via nonhomologous end joining|replicative cell aging|DNA replication, removal of RNA primer|base-excision repair, base-free sugar-phosphate removal|gene conversion at mating-type locus, DNA repair synthesis 5'-3' exonuclease activity|5'-flap endonuclease activity mitochondrion|nucleus YGR104C SRB5 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.023826269509933 0.167788788999026 1017 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 YBR217W ATG12 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0238226912454226 0.168361087003484 1018 Conserved ubiquitin-like modifier involved in autophagy and the Cvt pathway; conjugated to Atg5p to form a complex involved in Atg8p lipidation; Atg12p-Atg5p also forms a complex with Atg16p that is required for autophagosome formation C-terminal protein lipidation|piecemeal microautophagy of nucleus|mitochondrion degradation|CVT pathway|autophagic vacuole assembly Atg8 ligase activity|protein tag Atg12-Atg5-Atg16 complex|pre-autophagosomal structure YLR088W GAA1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0238135019243063 0.168016753883118 1019 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 YJR010C-A SPC1 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0237520507175515 0.169117216168193 1020 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 YLR065C ENV10 hom FF|FT VACUOLAR PROTEIN PROCESSING 0.023751917439009 0.169438018935433 1021 Protein proposed to be involved in vacuolar functions; mutant shows defect in CPY processing; YLR065C is not an essential gene vacuolar protein processing molecular_function integral to membrane YNL027W CRZ1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ION HOMEOSTASIS|NUCLEUS 0.0237336980502268 0.16944691971462 1022 Transcription factor, activates transcription of stress response genes; nuclear localization is positively regulated by calcineurin-mediated dephosphorylation; rapidly localizes to the nucleus under blue light stress regulation of potassium ion concentration by positive regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter in response to calcium ion|positive regulation of sodium ion transport by positive regulation of transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter in response to increased salt|cell wall chitin biosynthetic process|positive regulation of transcription from RNA polymerase II promoter in response to alkalinity|positive regulation of transcription from RNA polymerase II promoter by pheromones|ion homeostasis|Unknown|positive regulation of transcription from RNA polymerase II promoter 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 YPR060C ARO7 hom FF|FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0237053779339619 0.169956632366629 1023 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 YBR191W RPL21A hom FT TRANSLATION|RIBOSOME 0.0236871007998375 0.170286198282643 1024 Ribosomal 60S subunit protein L21A; homologous to mammalian ribosomal protein L21, no bacterial homolog; RPL21A has a paralog, RPL21B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YOR112W CEX1 hom FT RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0236582113082133 0.170871947518955 1025 Cytoplasmic component of the nuclear aminoacylation-dependent tRNA export pathway; interacts with nuclear pore component Nup116p; copurifies with tRNA export receptors Los1p and Msn5p, as well as eIF-1a and the RAN GTPase Gsp1p tRNA export from nucleus tRNA binding nuclear pore|cytoplasm YIL111W COX5B hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.023608284808759 0.171712860717654 1026 Subunit Vb of cytochrome c oxidase; cytochrome c oxidase is the terminal member of the mitochondrial inner membrane electron transport chain; Cox5Bp is predominantly expressed during anaerobic growth while its isoform Va (Cox5Ap) is expressed during aerobic growth; COX5B has a paralog, COX5A, that arose from the whole genome duplication mitochondrial electron transport, cytochrome c to oxygen cytochrome-c oxidase activity|nitrite reductase (NO-forming) activity mitochondrion|integral to membrane|mitochondrial respiratory chain complex IV YPR185W ATG13 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|PROTEIN PHOSPHORYLATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0235936644757094 0.172298768746404 1027 Regulatory subunit of the Atg1p signaling complex; stimulates Atg1p kinase activity; required for vesicle formation during autophagy and the cytoplasm-to-vacuole targeting (Cvt) pathway; involved in Atg9p, Atg23p, and Atg27p cycling piecemeal microautophagy of nucleus|mitochondrion degradation|macroautophagy|activation of protein kinase activity|CVT pathway protein kinase regulator activity Atg1p signaling complex|extrinsic to membrane YIL006W YIA6 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0235368910187506 0.173205359865624 1028 Mitochondrial NAD+ transporter, involved in the transport of NAD+ into the mitochondria (see also YEA6); member of the mitochondrial carrier subfamily; disputed role as a pyruvate transporter; has putative mouse and human orthologs transport|mitochondrial pyruvate transport|NAD transmembrane transport pyruvate secondary active transmembrane transporter activity|transporter activity|NAD transporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YJR079W_p YJR079W hom 0.02352688551228 0.173902894543709 1029 Putative protein of unknown function; mutation results in impaired mitochondrial respiration biological_process molecular_function cellular_component YER125W RSP5 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|PROTEIN COMPLEX ORG/BIOGENESIS|LIPID METABOLISM|MEMBRANE ORGANIZATION|RNA PROCESSING|RIBOSOME BIOGENESIS|CHROMATIN ORGANIZATION|PROTEOLYSIS|MITOCHONDRION ORGAN 0.0235219740578222 0.173285424191496 1030 E3 ubiquitin ligase of the NEDD4 family; involved in regulating many cellular processes including MVB sorting, heat shock response, transcription, endocytosis, and ribosome stability; human homolog is involved in Liddle syndrome; mutant tolerates aneuploidy; ubiquitylates Sec23p cellular response to UV|late endosome to vacuole transport via multivesicular body sorting pathway|chromatin assembly or disassembly|response to drug|protein ubiquitination involved in ubiquitin-dependent protein catabolic process|ubiquitin-dependent endocytosis|protein monoubiquitination|positive regulation of fatty acid biosynthetic process|positive regulation of receptor-mediated endocytosis|regulation of phosphate metabolic process|regulation of ubiquinone biosynthetic process|regulation of dolichol biosynthetic process|regulation of multivesicular body size|positive regulation of transcription from RNA polymerase II promoter|regulation of nitrogen utilization|proteasomal ubiquitin-dependent protein catabolic process|positive regulation of endocytosis|regulation of actin cytoskeleton organization|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|regulation of protein localization|mitochondrion organization|regulation of mRNA export from nucleus|regulation of ergosterol biosynthetic process|ribophagy|Unknown|protein polyubiquitination ubiquitin binding|ubiquitin-protein ligase activity|phosphatidylinositol binding mitochondrion|ubiquitin ligase complex|Golgi apparatus|cytoplasm|cellular bud tip|endosome membrane|extrinsic to internal side of plasma membrane|plasma membrane|nucleus YGL211W NCS6 hom FT RNA PROCESSING|MITOCHONDRION 0.0235202471003406 0.173316998415847 1031 Protein required for thiolation of the uridine at the wobble position of Gln, Lys, and Glu tRNAs; has a role in urmylation and in invasive and pseudohyphal growth; inhibits replication of Brome mosaic virus in S. cerevisiae tRNA wobble position uridine thiolation|protein urmylation|tRNA wobble uridine modification tRNA binding cytosol|mitochondrion YNR031C SSK2 hom FT SIGNALING|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH 0.0234945844796648 0.173786698577624 1032 MAP kinase kinase kinase of the HOG1 mitogen-activated signaling pathway; interacts with Ssk1p, leading to autophosphorylation and activation of Ssk2p which phosphorylates Pbs2p; also mediates actin cytoskeleton recovery from osmotic stress MAPK cascade involved in osmosensory signaling pathway|protein autophosphorylation|protein phosphorylation|response to osmotic stress|actin cytoskeleton organization|osmosensory signaling pathway via two-component system MAP kinase kinase kinase activity cytosol|cellular bud neck|cellular bud tip YOR152C_p YOR152C hom 0.0234715455426934 0.174209186916695 1033 Putative protein of unknown function; YOR152C is not an essential gene biological_process molecular_function membrane YOR034C AKR2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|GOLGI APPARATUS 0.0234700628054969 0.174236403608523 1034 Ankyrin repeat-containing protein; member of a family of putative palmitoyltransferases containing an Asp-His-His-Cys-cysteine rich (DHHC-CRD) domain; possibly involved in constitutive endocytosis of Ste3p; AKR2 has a paralog, AKR1, that arose from the whole genome duplication endocytosis|protein palmitoylation palmitoyltransferase activity integral to membrane|Golgi apparatus YNL142W MEP2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0234610073311241 0.174660100117098 1035 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 YOR084W LPX1 hom FT PEROXISOME ORGANIZATION 0.02345786284462 0.174717900122061 1036 Oleic acid-inducible, peroxisomal matrix localized lipase; transcriptionally activated by Yrm1p along with genes involved in multidrug resistance; peroxisomal import is dependent on the PTS1 receptor, Pex5p and on self-interaction peroxisome organization lipase activity peroxisomal matrix YDL020C RPN4 hom FF|FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS 0.0234027825144113 0.176185125235475 1037 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 YHR107C CDC12 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.023382875305443 0.176488518398552 1038 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 YHL025W SNF6 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CARBOHYDRATE METABOLISM|NUCLEUS|RSC COMPLEX 0.0233621052810125 0.176226579679025 1039 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 YDL192W ARF1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|RESPONSE TO NUTRIENT LEVELS|GOLGI APPARATUS 0.023341430585776 0.176803478752594 1040 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 YBL056W PTC3 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0233293027840654 0.176834630149279 1041 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 YDR169C-A_p YDR169C-A hom 0.0232992036903515 0.17739394186384 1042 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YMR236W TAF9 het FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|RNA POL II, HOLOENZYME|HISTONE ACETYLTRANSFERASE 0.0232989886516675 0.177462625356872 1043 Subunit (17 kDa) of TFIID and SAGA complexes, involved in RNA polymerase II transcription initiation and in chromatin modification, similar to histone H3 histone acetylation|RNA polymerase II transcriptional preinitiation complex assembly|chromatin modification|transcription from RNA polymerase II promoter chromatin 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 YPL209C IPL1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0232854378643548 0.177650181617715 1044 Aurora kinase subunit of the conserved chromosomal passenger complex (CPC; Ipl1p-Sli15p-Bir1p-Nbl1p), involved in regulating kinetochore-microtubule attachments; helps maintain condensed chromosomes during anaphase and early telophase; required for SPB cohesion and prevention of multipolar spindle formation; localizes to nuclear foci that become diffuse upon DNA replication stress; required for inhibition of karyopherin/importin Pse1p (aka Kap121p) upon SAC arrest spindle checkpoint|attachment of spindle microtubules to kinetochore|chromosome segregation|mitotic spindle disassembly|protein phosphorylation|meiotic sister chromatid segregation|homologous chromosome segregation|regulation of cytokinesis|mitotic cell cycle G2/M transition decatenation checkpoint protein kinase activity spindle microtubule|spindle midzone|chromosome passenger complex|condensed nuclear chromosome kinetochore|kinetochore microtubule|spindle YPL178W CBC2 hom FT RNA PROCESSING|RNA LOCALIZATION|NUCLEUS 0.0232684289652963 0.178226341079469 1045 Small subunit of the heterodimeric cap binding complex that also contains Sto1p, component of the spliceosomal commitment complex; interacts with Npl3p, possibly to package mRNA for export from the nucleus; contains an RNA-binding motif mRNA splicing, via spliceosome RNA cap binding commitment complex|nuclear cap binding complex YFR021W ATG18 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS|PEROXISOME ORGANIZATION|VACUOLAR PROTEIN PROCESSING 0.0232668243485015 0.177997095139265 1046 Phosphoinositide binding protein; required for vesicle formation in autophagy and the cytoplasm-to-vacuole targeting (Cvt) pathway; binds both phosphatidylinositol (3,5)-bisphosphate and phosphatidylinositol 3-phosphate; WD-40 repeat protein; relocalizes from vacuole to cytoplasm upon DNA replication stress; has 4 mammalian homologs WIPI1, WIPI2, WIPI3 and WIPI4/WDR45; mutations in human WDR45 cause static encephalopathy of childhood with neurodegeneration in adulthood piecemeal microautophagy of nucleus|peroxisome degradation|vacuolar protein processing|macroautophagy|late endosome to vacuole transport|CVT pathway ubiquitin binding|phosphatidylinositol binding cytosol|endosome|fungal-type vacuole membrane|PAS complex|pre-autophagosomal structure YDR185C UPS3 hom FT MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.023213610414076 0.178991661691145 1047 Mitochondrial protein of unknown function; similar to Ups1p and Ups2p which are involved in regulation of mitochondrial cardiolipin and phosphatidylethanolamine levels; null is viable but interacts synthetically with ups1 and ups2 mutations mitochondrion morphogenesis molecular_function extrinsic to mitochondrial inner membrane|mitochondrion|mitochondrial intermembrane space YLR379W_d YLR379W het 0.0230905463546209 0.181307538822913 1048 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the essential ORF SEC61/YLR378C Unknown Unknown Unknown YDR303C RSC3 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0230574083952309 0.18383749183734 1049 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 YKL210W UBA1 het FT NUCLEUS 0.0230186875342081 0.182931454569632 1050 Ubiquitin activating enzyme (E1); involved in ubiquitin-mediated protein degradation and essential for viability; protein abundance increases in response to DNA replication stress protein ubiquitination ubiquitin activating enzyme activity nucleus|cytoplasm YKL013C ARC19 het FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0230058307162412 0.182914627469924 1051 Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches mitochondrion inheritance|actin cortical patch assembly structural molecule activity Arp2/3 protein complex YFL009W CDC4 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0229891783539878 0.183297141574715 1052 F-box protein required for G1/S and G2/M transition, associates with Skp1p and Cdc53p to form a complex, SCFCdc4, which acts as ubiquitin-protein ligase directing ubiquitination of the phosphorylated CDK inhibitor Sic1p meiosis|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|ubiquitin binding nuclear SCF ubiquitin ligase complex|SCF ubiquitin ligase complex|nucleus|nuclear matrix YGR037C ACB1 hom FF|FT KETONE METABOLISM|LIPID METABOLISM|NUCLEUS 0.0229817405510029 0.183373548803081 1053 Acyl-CoA-binding protein, transports newly synthesized acyl-CoA esters from fatty acid synthetase (Fas1p-Fas2p) to acyl-CoA-consuming processes; subject to starvation-induced, Grh1p-mediated unconventional secretion; protein abundance increases in response to DNA replication stress long-chain fatty acid transport|chronological cell aging|fatty acid metabolic process long-chain fatty acid transporter activity|fatty-acyl-CoA binding extracellular region|nucleus|cytoplasm YIL072W HOP1 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0229764405843813 0.183474628313889 1054 Meiosis-specific protein required for chromosome synapsis; displays Red1p dependent localization to the unsynapsed axial-lateral elements of the synaptonemal complex; required for chiasma formation; in vitro, displays the ability to promote intra- and intermolecular synapsis between double-stranded DNA molecules and to fold DNA into rigid protein?DNA filaments synaptonemal complex assembly|meiotic recombination checkpoint|synapsis four-way junction DNA binding condensed nuclear chromosome|lateral element YLR075W RPL10 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0229754649757482 0.183493239349911 1055 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 YOL029C_p YOL029C hom 0.0229227298497968 0.184501313358241 1056 Putative protein of unknown function; identified as interacting with Hsc82p and Hsp82p in high-throughput two-hybrid screens biological_process molecular_function cellular_component YHL011C PRS3 hom FF|FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM 0.0229171161729892 0.184608864096294 1057 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|regulation of cell size ribose phosphate diphosphokinase activity cytoplasm YHR153C SPO16 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0229025307843221 0.186933615316193 1058 Meiosis-specific protein involved in synaptonemal complex assembly; implicated in regulation of crossover formation; required for sporulation synaptonemal complex assembly|ascospore formation|regulation of reciprocal meiotic recombination molecular_function condensed nuclear chromosome YLR262C YPT6 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|GOLGI APPARATUS|PLASMA MEMBRANE 0.0228780610033545 0.186081666936222 1059 Rab family GTPase, Ras-like GTP binding protein involved in the secretory pathway, required for fusion of endosome-derived vesicles with the late Golgi, maturation of the vacuolar carboxypeptidase Y; has similarity to the human GTPase, Rab6 intracellular protein transport|retrograde transport, endosome to Golgi GTPase activity Golgi apparatus YPL253C VIK1 hom FT CELL CYCLE|CHROMOSOME SEGREGATION|NUCLEUS|CYTOSKELETON 0.0228626555718159 0.185654666750808 1060 Protein that forms a complex with Kar3p at the spindle pole body, possible regulator of Kar3p function in microtubule-mediated processes; required for sister chromatid cohesion; has similarity to Cik1p microtubule-based process|mitotic sister chromatid cohesion microtubule motor activity kinesin complex|spindle pole body YOR264W DSE3 hom FT CELL CYCLE|SITE OF POLARIZED GROWTH 0.0227820078069893 0.187211373066348 1061 Daughter cell-specific protein, may help establish daughter fate; relocalizes from bud neck to cytoplasm upon DNA replication stress biological_process molecular_function cellular bud neck YOR290C SNF2 hom FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS|RSC COMPLEX 0.0227743208777598 0.187360251701106 1062 Catalytic subunit of the SWI/SNF chromatin remodeling complex involved in transcriptional regulation; contains DNA-stimulated ATPase activity; functions interdependently in transcriptional activation with Snf5p and Snf6p cellular alcohol catabolic process|ATP-dependent chromatin remodeling|double-strand break repair|strand invasion|positive regulation of mating type switching|sucrose catabolic process|positive regulation of transcription from RNA polymerase II promoter in response to amino acid starvation|nucleosome mobilization|chromatin remodeling|DNA-dependent DNA replication|positive regulation of transcription from RNA polymerase II promoter histone acetyl-lysine binding|RNA polymerase II activating transcription factor binding|DNA-dependent ATPase activity|nucleosomal DNA binding SWI/SNF complex|nucleus YJR061W_p YJR061W hom 0.0227442473704253 0.188009451830899 1063 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 YCL024W KCC4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0227087361407273 0.188634035888155 1064 Protein kinase of the bud neck involved in the septin checkpoint; associates with septin proteins, negatively regulates Swe1p by phosphorylation, shows structural homology to bud neck kinases Gin4p and Hsl1p; KCC4 has a paralog, GIN4, that arose from the whole genome duplication budding cell bud growth|protein phosphorylation|septin checkpoint|septin ring assembly phosphatidic acid binding|phosphatidylinositol-4,5-bisphosphate binding|phosphatidylserine binding|protein kinase activity incipient cellular bud site|cellular bud neck septin collar|plasma membrane|cellular bud neck|septin ring YGR295C COS6 hom 0.022648245791174 0.190145327849396 1065 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 YCL037C SRO9 hom FT TRANSLATION 0.0226472836763703 0.189833345927377 1066 Cytoplasmic RNA-binding protein; associates with translating ribosomes; involved in heme regulation of Hap1p as a component of the HMC complex, also involved in the organization of actin filaments; contains a La motif; SRO9 has a paralog, SLF1, that arose from the whole genome duplication cytoplasmic translation RNA binding polysome YBL066C SEF1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0225494286581126 0.191754665252531 1067 Putative transcription factor, has homolog in Kluyveromyces lactis biological_process molecular_function cellular_component YHL027W RIM101 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|CELL DIVISION|ION HOMEOSTASIS|NUCLEUS 0.0225415643258712 0.191976023602585 1068 Cys2His2 zinc-finger transcriptional repressor; involved in alkaline responsive gene repression as part of adaptation to a alkaline conditions; involved in cell wall assembly; required for alkaline pH-stimulated haploid invasive growth and sporulation; activated by alkaline-dependent proteolytic processing which results in removal of the C-terminal tail; similar to A. nidulans PacC meiosis|negative regulation of transcription from RNA polymerase II promoter|fungal-type cell wall biogenesis|cellular response to anoxia|response to pH|ascospore formation|barrier septum assembly|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|sequence-specific DNA binding nucleus YLL001W DNM1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|NUCLEOTIDE METABOLISM|MITOCHONDRION ORGANIZATION|PEROXISOME ORGANIZATION|MITOCHONDRION 0.0225315174984802 0.192107881604698 1069 Dynamin-related GTPase required for mitochondrial fission and morphology; assembles on the cytoplasmic face of mitochondrial tubules at sites at which division will occur; also participates in endocytosis and regulating peroxisome abundance mitochondrion inheritance|peroxisome fission|mitochondrial fission|chronological cell aging|peroxisome organization|mitochondrion organization|protein homooligomerization protein homodimerization activity|GTPase activity|identical protein binding mitochondrial outer membrane|mitochondrion|peroxisome YOR228C YOR228C hom FT MITOCHONDRION 0.0225293366293152 0.192150921988763 1070 Protein of unknown function, localized to the mitochondrial outer membrane biological_process molecular_function mitochondrial outer membrane|mitochondrion|integral to membrane YPR071W_p YPR071W hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0225174686842527 0.192385265172447 1071 Putative membrane protein; YPR071W is not an essential gene; YPR071W has paralog YIL029C biological_process molecular_function integral to membrane YLR399C BDF1 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0225059015913383 0.192680272266685 1072 Protein involved in transcription initiation at TATA-containing promoters; associates with the basal transcription factor TFIID; contains two bromodomains; corresponds to the C-terminal region of mammalian TAF1; redundant with Bdf2p DNA repair|snRNA transcription|regulation of chromatin silencing at telomere|regulation of transcription by chromatin organization|regulation of chromatin silencing at silent mating-type cassette|Unknown|chromatin remodeling|negative regulation of heterochromatin assembly histone acetyl-lysine binding|chromatin binding|core promoter binding|TFIID-class transcription factor binding nuclear chromatin|Swr1 complex YJR090C GRR1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CARBOHYDRATE METABOLISM|PROTEOLYSIS|NUCLEUS|SITE OF POLARIZED GROWTH|CYTOSKELETON|UBIQUITIN LIGASE COMPLEX 0.0225030255691065 0.192670740600263 1073 F-box protein component of the SCF ubiquitin-ligase complex; involved in carbon catabolite repression, glucose-dependent divalent cation transport, high-affinity glucose transport, morphogenesis, and sulfite detoxification SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|cellular response to methylmercury|cell cycle arrest in response to pheromone|G1/S transition of mitotic cell cycle|response to DNA damage stimulus|protein ubiquitination ubiquitin-protein ligase activity|protein binding, bridging cellular bud neck contractile ring|SCF ubiquitin ligase complex|nucleus|cytoplasm YLR387C REH1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RIBOSOME 0.0224902498635012 0.192923518101667 1074 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 YCL029C BIK1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|NUCLEUS|SITE OF POLARIZED GROWTH|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0224585907280502 0.193550968755326 1075 Microtubule-associated protein, component of the interface between microtubules and kinetochore, involved in sister chromatid separation; essential in polyploid cells but not in haploid or diploid cells; ortholog of mammalian CLIP-170 karyogamy involved in conjugation with cellular fusion|mitotic anaphase B|negative regulation of microtubule polymerization|nuclear migration involved in conjugation with cellular fusion|mitotic spindle organization in nucleus|mitotic spindle elongation microtubule binding|protein homodimerization activity spindle microtubule|microtubule plus end|spindle pole body|cell cortex|condensed nuclear chromosome kinetochore|mating projection tip|kinetochore|spindle YKL188C PXA2 hom FT NUCLEOTIDE METABOLISM 0.0224237245017423 0.194243712338421 1076 Subunit of a heterodimeric peroxisomal ATP-binding cassette transporter complex (Pxa1p-Pxa2p), required for import of long-chain fatty acids into peroxisomes; similarity to human adrenoleukodystrophy transporter ABCD1 and ABCD2 and ALD-related proteins; mutations in ABCD1 cause X-linked adrenoleukodystrophy (X-ALD), a peroxisomal disorder fatty acid transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|integral to peroxisomal membrane YMR227C TAF7 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0223376088749575 0.195962501144652 1077 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 YJR043C POL32 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0223327173145032 0.196260808798978 1078 Third subunit of DNA polymerase delta, involved in chromosomal DNA replication; required for error-prone DNA synthesis in the presence of DNA damage and processivity; interacts with Hys2p, PCNA (Pol30p), and Pol1p RNA-dependent DNA replication|lagging strand elongation|postreplication repair|base-excision repair|DNA replication, removal of RNA primer|nucleotide-excision repair|mismatch repair|double-strand break repair via break-induced replication|leading strand elongation DNA-directed DNA polymerase activity|single-stranded DNA specific 3'-5' exodeoxyribonuclease activity delta DNA polymerase complex|nucleus YHR134W WSS1 hom FT RESPONSE TO DNA DAMAGE|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0221770333025001 0.199197147332259 1079 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 YLR153C ACS2 het FT CHROMATIN ORGANIZATION|COFACTOR METABOLISM|NUCLEUS 0.0221602005445471 0.199538472888484 1080 Acetyl-coA synthetase isoform which, along with Acs1p, is the nuclear source of acetyl-coA for histone acetylation; mutants affect global transcription; required for growth on glucose; expressed under anaerobic conditions histone acetylation|acetyl-CoA biosynthetic process|replicative cell aging acetate-CoA ligase activity|acid-ammonia (or amide) ligase activity cytosol|nucleolus|nucleus YJR145C RPS4A hom FT TRANSLATION|RIBOSOME 0.0221526465495449 0.199691787466091 1081 Protein component of the small (40S) ribosomal subunit; mutation affects 20S pre-rRNA processing; homologous to mammalian ribosomal protein S4, no bacterial homolog; RPS4A has a paralog, RPS4B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic small ribosomal subunit|cytoplasm|90S preribosome YKL156W RPS27A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0220702336114433 0.201437287506769 1082 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S27, no bacterial homolog; RPS27A has a paralog, RPS27B, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress cytoplasmic translation|ribosomal small subunit assembly|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic small ribosomal subunit|cytoplasm YBR190W_d YBR190W het 0.022068726094486 0.201400810677123 1083 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 YHR110W ERP5 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0220296243350148 0.20220074173851 1084 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 YDR189W SLY1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0220254062870943 0.202287171304187 1085 Hydrophilic protein involved in vesicle trafficking between the ER and Golgi; SM (Sec1/Munc-18) family protein that binds the tSNARE Sed5p and stimulates its assembly into a trans-SNARE membrane-protein complex retrograde vesicle-mediated transport, Golgi to ER|ER to Golgi vesicle-mediated transport|vesicle fusion with Golgi apparatus|positive regulation of SNARE complex assembly SNARE binding|syntaxin binding SNARE complex|endoplasmic reticulum|ER to Golgi transport vesicle|Golgi membrane YGL130W CEG1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0219139629724024 0.20458044847049 1086 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 YGL224C SDT1 hom 0.0218989427338971 0.204890974107958 1087 Pyrimidine nucleotidase; overexpression suppresses the 6-AU sensitivity of transcription elongation factor S-II, as well as resistance to other pyrimidine derivatives pyrimidine nucleobase metabolic process nucleotidase activity cellular_component YDL063C SYO1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0218857963824169 0.205433682384274 1088 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 YJL168C SET2 hom FT CELL CYCLE|CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0218524634112918 0.205854048913354 1089 Histone methyltransferase with a role in transcriptional elongation; methylates H3 lysine 36, which suppresses incorporation of acetylated histones and signals for the deacetylation of these histones within transcribed genes; associates with the C-terminal domain of Rpo21p; histone methylation activity is regulated by phosphorylation status of Rpo21p negative regulation of histone H3-K14 acetylation|DNA-dependent transcription, elongation|ascospore formation|regulation of transcription, DNA-dependent|histone deacetylation|regulation of DNA-dependent DNA replication initiation|histone methylation|negative regulation of antisense RNA transcription|Unknown|negative regulation of reciprocal meiotic recombination|positive regulation of histone acetylation histone methyltransferase activity|histone methyltransferase activity (H3-K36 specific) nucleus YIL116W HIS5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0218399519613876 0.206384836412753 1090 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 YGR231C PHB2 hom FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0218015610633691 0.206980315164051 1091 Subunit of the prohibitin complex (Phb1p-Phb2p), a 1.2 MDa ring-shaped inner mitochondrial membrane chaperone that stabilizes newly synthesized proteins; determinant of replicative life span; involved in mitochondrial segregation mitochondrion inheritance|protein folding|negative regulation of proteolysis|replicative cell aging molecular_function mitochondrion|mitochondrial inner membrane YPL147W PXA1 hom FT NUCLEOTIDE METABOLISM 0.0217854857381194 0.207247635092971 1092 Subunit of a heterodimeric peroxisomal ATP-binding cassette transporter complex (Pxa1p-Pxa2p), required for import of long-chain fatty acids into peroxisomes; similarity to human adrenoleukodystrophy transporter ABCD1 and ABCD2 and ALD-related proteins; mutations in ABCD1 cause X-linked adrenoleukodystrophy (X-ALD), a peroxisomal disorder fatty acid transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|integral to peroxisomal membrane YHR045W_p YHR045W hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOPLASMIC RETICULUM 0.0217836420582929 0.207286092569686 1093 Putative protein of unknown function; possible role in iron metabolism and/or amino acid and carbohydrate metabolism; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum biological_process molecular_function endoplasmic reticulum YPR189W SKI3 hom FT NUCLEUS 0.0217796552678051 0.207369271073025 1094 Ski complex component and TPR protein, mediates 3'-5' RNA degradation by the cytoplasmic exosome; null mutants have superkiller phenotype of increased viral dsRNAs and are synthetic lethal with mutations in 5'-3' mRNA decay 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 molecular_function Ski complex YOR096W RPS7A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|RIBOSOME 0.021754118908619 0.207902623658433 1095 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 YNL316C PHA2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.021723106214702 0.208551691231091 1096 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 YGL087C MMS2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0216799282422737 0.209457809986256 1097 Ubiquitin-conjugating enzyme variant; involved in error-free postreplication repair; forms a heteromeric complex with Ubc13p, an active ubiquitin-conjugating enzyme; cooperates with chromatin-associated RING finger proteins, Rad18p and Rad5p; protein abundance increases in response to DNA replication stress postreplication repair|response to DNA damage stimulus|protein polyubiquitination|free ubiquitin chain polymerization ubiquitin-protein ligase activity ubiquitin conjugating enzyme complex|nucleus|cytoplasm YER068W MOT2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.021664027328134 0.20979221832055 1098 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 YPL117C IDI1 het FT LIPID METABOLISM|NUCLEUS 0.0216593779000238 0.209890072298793 1099 Isopentenyl diphosphate:dimethylallyl diphosphate isomerase (IPP isomerase), catalyzes an essential activation step in the isoprenoid biosynthetic pathway; required for viability farnesyl diphosphate biosynthetic process isopentenyl-diphosphate delta-isomerase activity nucleus|cytoplasm YBR094W PBY1 hom 0.0216457197001042 0.210177719991114 1100 Putative tubulin tyrosine ligase associated with P-bodies; forms cytoplasmic foci upon DNA replication stress nuclear-transcribed mRNA catabolic process|biological_process molecular_function cytoplasmic mRNA processing body|cytoplasm YKR074W AIM29 hom 0.0216429645750646 0.210576368163302 1101 Putative protein of unknown function; epitope-tagged protein localizes to the cytoplasm; YKR074W is not an essential gene; null mutant displays elevated frequency of mitochondrial genome loss biological_process molecular_function cytoplasm YEL041W YEF1 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.021625854623458 0.210596596100989 1102 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 YBR069C TAT1 hom FF|FT PLASMA MEMBRANE 0.0216203456760078 0.211737201985622 1103 Amino acid transporter for valine, leucine, isoleucine, and tyrosine; low-affinity tryptophan and histidine transporter; overexpression confers FK506 and FTY720 resistance; protein abundance increases in response to DNA replication stress amino acid transport|tyrosine transport|tryptophan transport|transmembrane transport amino acid transmembrane transporter activity|low-affinity tryptophan transmembrane transporter activity integral to membrane|plasma membrane YCR075W-A_p YCR075W-A hom 0.02160998436594 0.210931670779769 1104 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 YOR224C RPB8 het FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0215848952704059 0.211871578289026 1105 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 YLR254C NDL1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS|CYTOSKELETON 0.0215768966729364 0.211631502703284 1106 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 YDR178W SDH4 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0214368927687332 0.214816628705561 1107 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 YDR221W GTB1 hom FT CARBOHYDRATE METABOLISM|ENDOPLASMIC RETICULUM 0.0213290966378548 0.216926054045839 1108 Glucosidase II beta subunit, forms a complex with alpha subunit Rot2p; involved in removal of two glucose residues from N-linked glycans during glycoprotein biogenesis in the ER; relocalizes from ER to cytoplasm upon DNA replication stress polysaccharide biosynthetic process|protein N-linked glycosylation alpha-glucosidase activity glucosidase II complex|endoplasmic reticulum|endoplasmic reticulum lumen YOR040W GLO4 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0213177132937148 0.217171541246839 1109 Mitochondrial glyoxalase II, catalyzes the hydrolysis of S-D-lactoylglutathione into glutathione and D-lactate cellular carbohydrate metabolic process|methylglyoxal catabolic process to D-lactate hydroxyacylglutathione hydrolase activity mitochondrion|mitochondrial matrix YDR251W PAM1 hom FT OXIDATION-REDUCTION PROCESS|SITE OF POLARIZED GROWTH 0.0213070547612633 0.217401578550738 1110 Essential protein of unknown function; exhibits variable expression during colony morphogenesis; overexpression permits survival without protein phosphatase 2A, inhibits growth, and induces a filamentous phenotype pseudohyphal growth molecular_function cellular bud|cellular bud neck YLR370C ARC18 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION|MITOCHONDRION|CYTOSKELETON 0.0212972940136006 0.218783222927513 1111 Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches mitochondrion inheritance|actin filament organization|establishment of mitochondrion localization molecular_function mitochondrion|Arp2/3 protein complex YMR031C EIS1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION|PLASMA MEMBRANE 0.0212531662191202 0.218773601117725 1112 Component of the eisosome required for proper eisosome assembly; similarity to Ykl050cp and Uso1p; the authentic, non-tagged protein is detected in a phosphorylated state in highly purified mitochondria in high-throughput studies; protein increases in abundance and relocalizes from plasma membrane to cytoplasm upon DNA replication stress eisosome assembly molecular_function eisosome|mitochondrion|membrane raft|cytoplasm YCR083W TRX3 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0212402217357614 0.218847992505503 1113 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 YCR061W_p YCR061W hom 0.0212378361559869 0.218899749108251 1114 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 YDR488C PAC11 hom FT CYTOSKELETON 0.0212168692329513 0.219355017279174 1115 Dynein intermediate chain, acts in the cytoplasmic dynein pathway, forms cortical cytoplasmic microtubule capture site with Num1p; null mutant is defective in nuclear migration, essential in the absence of CIN8 nuclear migration along microtubule|microtubule-based process plus-end-directed microtubule motor activity|microtubule motor activity cytoplasmic dynein complex|cytoplasmic microtubule YMR285C NGL2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0212052270631379 0.219676922405867 1116 Protein involved in 5.8S rRNA processing; Ccr4p-like RNase required for correct 3'-end formation of 5.8S rRNA at site E; similar to Ngl1p; NGL2 has a paralog, NGL3, that arose from the whole genome duplication rRNA processing endoribonuclease activity intracellular YNR056C BIO5 hom FT KETONE METABOLISM|COFACTOR METABOLISM|PLASMA MEMBRANE 0.0211878438895404 0.22005523047837 1117 Putative transmembrane protein involved in the biotin biosynthesis pathway; responsible for uptake of 7-keto 8-aminopelargonic acid; BIO5 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis biotin biosynthetic process|vitamin transport transmembrane transporter activity integral to membrane|plasma membrane YMR143W RPS16A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0211865917683724 0.220013649615932 1118 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S16 and bacterial S9; RPS16A has a paralog, RPS16B, 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 YKR062W TFA2 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0211853666777836 0.220384839953263 1119 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 YJR133W XPT1 hom FT NUCLEOTIDE METABOLISM 0.0211355202961431 0.221403712017952 1120 Xanthine-guanine phosphoribosyl transferase, required for xanthine utilization and for optimal utilization of guanine XMP salvage|hypoxanthine metabolic process xanthine phosphoribosyltransferase activity|hypoxanthine phosphoribosyltransferase activity cytoplasm YLR073C RFU1 hom 0.0211194074767192 0.221480186707065 1121 Protein that inhibits Doa4p deubiquitinating activity; contributes to ubiquitin homeostasis by regulating the conversion of free ubiquitin chains to ubiquitin monomers by Doa4p; GFP-fusion protein localizes to endosomes regulation of ubiquitin homeostasis enzyme inhibitor activity endosome YGR284C ERV29 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0210105572837488 0.223871069225079 1122 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 YDL163W_d YDL163W het 0.0209665396554428 0.224843131183007 1123 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data; partially overlaps the verified gene CDC9/YDL164C encoding DNA ligase Unknown Unknown Unknown YML020W_p YML020W hom 0.0209619720921051 0.224944171175386 1124 Putative protein of unknown function biological_process molecular_function cellular_component YML009C MRPL39 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.020954614831442 0.225106990791877 1125 Mitochondrial ribosomal protein of the large subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial large ribosomal subunit YOR213C SAS5 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0209403438501264 0.22542305413605 1126 Subunit of the SAS complex (Sas2p, Sas4p, Sas5p), which acetylates free histones and nucleosomes and regulates transcriptional silencing; stimulates Sas2p HAT activity chromatin silencing at telomere acetyltransferase activity|histone acetyltransferase activity nuclear chromatin|SAS acetyltransferase complex|nuclear chromosome, telomeric region YEL057C_p YEL057C hom 0.0209306209022914 0.225707828880683 1127 Protein of unknown function involved in telomere maintenance; target of UME6 regulation biological_process molecular_function cellular_component YBL104C SEA4 hom 0.0208989872054102 0.226340779739097 1128 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 YNL291C MID1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0208444973887839 0.227831708427043 1129 N-glycosylated integral membrane protein of the ER membrane and plasma membrane, functions as a stretch-activated Ca2+-permeable cation channel required for Ca2+ influx stimulated by pheromone; interacts with Cch1p; forms an oligomer calcium ion transport stretch-activated, cation-selective, calcium channel activity|calcium channel activity endoplasmic reticulum|plasma membrane YJL091C GWT1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0207717704580807 0.229876605980718 1130 Protein involved in the inositol acylation of glucosaminyl phosphatidylinositol (GlcN-PI) to form glucosaminyl(acyl)phosphatidylinositol (GlcN(acyl)PI), an intermediate in the biosynthesis of glycosylphosphatidylinositol (GPI) anchors GPI anchor biosynthetic process glucosaminyl-phosphotidylinositol O-acyltransferase activity integral to membrane|nuclear outer membrane-endoplasmic reticulum membrane network YHR125W_d YHR125W hom 0.0207144574158792 0.230468056739212 1131 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR292C SEC72 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0206660243353202 0.231560138138645 1132 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 YDR058C TGL2 hom FT PROTEIN LOCALIZATION|LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0206579161435653 0.231743322079565 1133 Triacylglycerol lipase that is localized to the mitochondria; has lipolytic activity towards triacylglycerols and diacylglycerols when expressed in E. coli triglyceride catabolic process triglyceride lipase activity mitochondrion YIR020C_p YIR020C hom 0.0205857445247087 0.233378389203695 1134 Protein of unknown function; mRNA identified as translated by ribosome profiling data biological_process molecular_function cellular_component YNL093W YPT53 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SIGNALING|VACUOLAR TRANSPORT|PLASMA MEMBRANE 0.0205609183419296 0.233942718408255 1135 Rab family GTPase; similar to Ypt51p and Ypt52p and to mammalian rab5; required for vacuolar protein sorting and endocytosis; YPT53 has a paralog, VPS21, that arose from the whole genome duplication endocytosis|protein targeting to vacuole GTPase activity late endosome YPL231W FAS2 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.0205581765961999 0.234005100830029 1136 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 YOR003W YSP3 hom FT PROTEOLYSIS 0.0205450255285642 0.234304488386311 1137 Putative precursor to the subtilisin-like protease III protein catabolic process peptidase activity cellular_component YBR252W DUT1 het FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0205042465675243 0.23544428408516 1138 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 YHR106W TRR2 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0204931778096455 0.235487457870539 1139 Mitochondrial thioredoxin reductase; involved in protection against oxidative stress, required with Glr1p to maintain the redox state of Trx3p; contains active-site motif (CAVC) present in prokaryotic orthologs; binds NADPH and FAD; TRR2 has a paralog, TRR1, that arose from the whole genome duplication cellular response to oxidative stress|cell redox homeostasis thioredoxin-disulfide reductase activity mitochondrion YDR003W RCR2 hom FT VESICLE-MEDIATED TRANSPORT 0.0204884737908819 0.236084864288011 1140 Vacuolar protein; presumably functions within the endosomal-vacuolar trafficking pathway, affecting events that determine whether plasma membrane proteins are degraded or routed to the plasma membrane; RCR2 has a paralog, RCR1, that arose from the whole genome duplication vesicle-mediated transport molecular_function vesicle|integral to membrane|fungal-type vacuole|cytoplasm YDL078C MDH3 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM 0.0204685402264503 0.236051073037037 1141 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 YOR008C-A_p YOR008C-A hom 0.0204604873058114 0.236445409491812 1142 Putative protein of unknown function, includes a potential transmembrane domain; deletion results in slightly lengthened telomeres biological_process molecular_function cellular_component YDR245W MNN10 hom FT CELL WALL ORG/BIOGENESIS|CELL DIVISION|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0204548449078452 0.23657471505907 1143 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 YNL232W CSL4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0204525057352789 0.236558330177053 1144 Exosome non-catalytic core component; involved in 3'-5' RNA processing and degradation in both the nucleus and the cytoplasm; predicted to contain an S1 RNA binding domain; has similarity to human hCsl4p (EXOSC1) 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 nucleus|nuclear exosome (RNase complex)|cytoplasmic exosome (RNase complex)|cytoplasm YJL130C URA2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM|MITOCHONDRION 0.0204511083225275 0.236450425085295 1145 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 YDR517W GRH1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0204505498618664 0.236463226896014 1146 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 YFL032W_d YFL032W hom 0.0204385829029285 0.23673766787006 1147 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene HAC1/YFL031W; YFL032W is not an essential gene Unknown Unknown Unknown YNL104C LEU4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0204138577930153 0.237305407104171 1148 Alpha-isopropylmalate synthase (2-isopropylmalate synthase); the main isozyme responsible for the first step in the leucine biosynthesis pathway; LEU4 has a paralog, LEU9, that arose from the whole genome duplication leucine biosynthetic process 2-isopropylmalate synthase activity mitochondrion|cytoplasm YDR404C RPB7 het FF|FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|TRANSLATION|NUCLEUS|RNA POL II, HOLOENZYME 0.0203957504080745 0.237861890386062 1149 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 YLR297W YLR297W hom 0.0203902336050516 0.237848764574896 1150 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 YIL106W MOB1 het FT CELL CYCLE|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS|SITE OF POLARIZED GROWTH|CHROMOSOME|CYTOSKELETON 0.0203829994118034 0.238015326874101 1151 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 YBR011C IPP1 het 0.020352839408609 0.23878071782686 1152 Cytoplasmic inorganic pyrophosphatase (PPase), homodimer that catalyzes the rapid exchange of oxygens from Pi with water, highly expressed and essential for viability, active-site residues show identity to those from E. coli PPase phosphate-containing compound metabolic process inorganic diphosphatase activity|protein homodimerization activity cytosol YDR048C_d YDR048C hom 0.0203400811784441 0.239005182544411 1153 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGL184C STR3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0203312937026234 0.239208212257167 1154 Peroxisomal cystathionine beta-lyase, converts cystathionine into homocysteine; may be redox regulated by Gto1p methionine biosynthetic process|transsulfuration cystathionine beta-lyase activity peroxisome YMR162C DNF3 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS|GOLGI APPARATUS 0.0202986824254735 0.239962740429544 1155 Aminophospholipid translocase (flippase) that maintains membrane lipid asymmetry in post-Golgi secretory vesicles; localizes to the trans-Golgi network; likely involved in protein transport; type 4 P-type ATPase intracellular protein transport|phospholipid translocation phospholipid-translocating ATPase activity trans-Golgi network transport vesicle|integral to membrane YBL065W_d YBL065W hom 0.0202836719680233 0.24271085021067 1156 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 YNL249C MPA43 hom FT CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0202560531324184 0.240951582196199 1157 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 YER024W YAT2 hom FT KETONE METABOLISM|LIPID METABOLISM|AMINO ACID METABOLISM 0.0202468367642094 0.241165744387651 1158 Carnitine acetyltransferase; has similarity to Yat1p, which is a carnitine acetyltransferase associated with the mitochondrial outer membrane carnitine metabolic process|alcohol metabolic process carnitine O-acetyltransferase activity cytosol|cytoplasm YGR224W AZR1 hom FT PLASMA MEMBRANE 0.0202421524236721 0.241274646477203 1159 Plasma membrane transporter of the major facilitator superfamily, involved in resistance to azole drugs such as ketoconazole and fluconazole azole transport azole transporter activity integral to membrane|plasma membrane 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 0.0202144610671467 0.24191912530031 1160 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 YKR001C VPS1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|NUCLEOTIDE METABOLISM|CYTOSKELETON ORGANIZATION|VACUOLAR TRANSPORT|PEROXISOME ORGANIZATION|MITOCHONDRION|CYTOSKELETON 0.020173878505607 0.24349962372583 1161 Dynamin-like GTPase required for vacuolar sorting; also involved in actin cytoskeleton organization, endocytosis, late Golgi-retention of some proteins, regulation of peroxisome biogenesis vacuolar transport|peroxisome fission|endocytosis|actin cytoskeleton organization|protein retention in Golgi apparatus|peroxisome organization|lipid tube assembly|protein targeting to vacuole GTPase activity mitochondrial outer membrane|fungal-type vacuole membrane|peroxisome|actin cortical patch YOL147C PEX11 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|PEROXISOME ORGANIZATION|ENDOPLASMIC RETICULUM 0.0201246745641859 0.244369284770081 1162 Peroxisomal membrane protein required for medium-chain fatty acid oxidation and peroxisome proliferation, possibly by inducing membrane curvature; localization regulated by phosphorylation; transcription regulated by Adr1p and Pip2p-Oaf1p peroxisome fission|fatty acid oxidation molecular_function endoplasmic reticulum|peroxisomal membrane YLR213C CRR1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0201016601316125 0.244556922210385 1163 Putative glycoside hydrolase of the spore wall envelope; required for normal spore wall assembly, possibly for cross-linking between the glucan and chitosan layers; expressed during sporulation ascospore wall assembly hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds ascospore wall YNL282W POP3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0200805925694498 0.245051805335975 1164 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 YGR240C PFK1 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0200512464985279 0.245953826131769 1165 Alpha subunit of heterooctameric phosphofructokinase involved in glycolysis, indispensable for anaerobic growth, activated by fructose-2,6-bisphosphate and AMP, mutation inhibits glucose induction of cell cycle-related genes proton transport|glycolysis 6-phosphofructokinase activity mitochondrion|6-phosphofructokinase complex|cytoplasm YDR089W YDR089W hom FT MEMBRANE ORGANIZATION 0.0200372822203974 0.246282937169297 1166 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 YNL110C NOP15 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|CELL DIVISION|CYTOSKELETON ORGANIZATION|NUCLEUS 0.020036714162803 0.246366899854642 1167 Constituent of 66S pre-ribosomal particles, involved in 60S ribosomal subunit biogenesis; localizes to both nucleolus and cytoplasm cytokinesis, actomyosin contractile ring assembly|ribosomal large subunit biogenesis molecular_function nucleolus|nucleus|preribosome, large subunit precursor YDR540C IRC4 hom FF|FT NUCLEUS 0.0200362462763458 0.246095806713899 1168 Putative protein of unknown function; null mutant displays increased levels of spontaneous Rad52p foci; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus mitotic recombination molecular_function nucleus|cytoplasm YBR049C REB1 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0200005968409012 0.24693732313165 1169 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 YGR192C TDH3 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0199942412502918 0.247087560253705 1170 Glyceraldehyde-3-phosphate dehydrogenase, isozyme 3; 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; TDH3 has a paralog, TDH2, 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 YNL069C RPL16B hom FT TRANSLATION|RIBOSOME 0.0199758602616395 0.247522420774682 1171 Ribosomal 60S subunit protein L16B; N-terminally acetylated, binds 5.8 S rRNA; transcriptionally regulated by Rap1p; homologous to mammalian ribosomal protein L13A and bacterial L13; RPL16B has a paralog, RPL16A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YDR086C SSS1 het FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0199721477388063 0.247610317233892 1172 Subunit of the Sec61p translocation complex (Sec61p-Sss1p-Sbh1p) that forms a channel for passage of secretory proteins through the endoplasmic reticulum membrane, and of the Ssh1p complex (Ssh1p-Sbh2p-Sss1p); interacts with Ost4p and Wbp1p posttranslational protein targeting to membrane, translocation|SRP-dependent cotranslational protein targeting to membrane, translocation structural molecule activity|P-P-bond-hydrolysis-driven protein transmembrane transporter activity Sec61 translocon complex|Ssh1 translocon complex YLR249W YEF3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|NUCLEOTIDE METABOLISM|RIBOSOME 0.0199447016487574 0.248260799330636 1173 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; contains two ABC cassettes; binds and hydrolyzes ATP; YEF3 has a paralog, HEF3, that arose from the whole genome duplication translational elongation|translational termination ATPase activity|translation elongation factor activity cytosolic ribosome|ribosome YDR326C YSP2 hom FT MITOCHONDRION 0.0199297736360066 0.248615099858027 1174 Protein involved in programmed cell death; mutant shows resistance to cell death induced by amiodarone or intracellular acidification; YSP2 has a paralog, YHR080C, that arose from the whole genome duplication apoptotic process molecular_function mitochondrion YLR332W MID2 hom FT RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|PEROXISOME ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0198919999291841 0.249513197062874 1175 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 YMR173W-A_d YMR173W-A hom 0.0198889909091814 0.249867660130117 1176 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the verified gene DDR48/YML173W Unknown Unknown Unknown YGR084C MRP13 hom FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0198562983861625 0.250859570535444 1177 Mitochondrial ribosomal protein of the small subunit mitochondrial translation structural constituent of ribosome mitochondrion|mitochondrial small ribosomal subunit YPL259C APM1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0198425725393813 0.250691788276625 1178 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 YOL022C TSR4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS 0.0198216773073657 0.251191199391919 1179 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 YHR074W QNS1 het FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0198062134650581 0.251561242880882 1180 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 YBR162W-A YSY6 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0197596487011045 0.252677813590799 1181 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 YLR061W RPL22A hom FT TRANSLATION|RIBOSOME 0.0197484582325479 0.253230119772188 1182 Ribosomal 60S subunit protein L22A; required for the oxidative stress response in yeast; homologous to mammalian ribosomal protein L22, no bacterial homolog; RPL22A has a paralog, RPL22B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YML041C VPS71 hom FF|FT PROTEIN LOCALIZATION|CHROMATIN ORGANIZATION|VACUOLAR TRANSPORT|NUCLEUS|CHROMOSOME 0.0197475145569451 0.253536657210696 1183 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 YLR251W SYM1 hom FT MITOCHONDRION 0.019722039286579 0.253582161530564 1184 Protein required for ethanol metabolism; induced by heat shock and localized to the inner mitochondrial membrane; homologous to mammalian peroxisomal membrane protein Mpv17 ethanol metabolic process molecular_function mitochondrion|integral to membrane|mitochondrial inner membrane YLL020C_d YLL020C hom 0.0197046330983594 0.254001468614634 1185 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene KNS1 Unknown Unknown Unknown YOR104W PIN2 hom 0.0196980389570625 0.254160444359069 1186 Protein that induces appearance of [PIN+] prion when overproduced; predicted to be palmitoylated biological_process molecular_function cellular_component YBR036C CSG2 hom FF|FT LIPID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0196829732773437 0.254523916990183 1187 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 YLR389C STE23 hom FT PROTEOLYSIS 0.0196800054113403 0.254595561933061 1188 Metalloprotease involved, with homolog Axl1p, in N-terminal processing of pro-a-factor to the mature form; expressed in both haploids and diploids; member of the insulin-degrading enzyme family peptide pheromone maturation metallopeptidase activity|metalloendopeptidase activity extrinsic to membrane YER180C-A SLO1 hom FT PROTEIN LOCALIZATION 0.0196639110433671 0.254984327737853 1189 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 YFR031C-A RPL2A hom FT TRANSLATION|RIBOSOME 0.0196599050309734 0.255294002588195 1190 Ribosomal 60S subunit protein L2A; homologous to mammalian ribosomal protein L2 and bacterial L2; RPL2A has a paralog, RPL2B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YLR113W HOG1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0196390967983507 0.255584533779857 1191 Mitogen-activated protein kinase involved in osmoregulation; controls global reallocation of RNA Pol II in response to osmotic shock; acts via three independent osmosensors; mitophagy-specific regulator; mediates the recruitment and activation of RNA Pol II at Hot1p-dependent promoters; localization regulated by Ptp2p and Ptp3p; protein abundance increases in response to DNA replication stress negative regulation of transcription from RNA polymerase II promoter by pheromones|protein phosphorylation|hyperosmotic response|response to arsenic-containing substance|osmosensory signaling pathway|positive regulation of transcription from RNA polymerase II promoter|cellular response to heat MAP kinase activity nucleus|cytoplasm YJR153W PGU1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0196122809977201 0.256234255994386 1192 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 YIR030C DCG1 hom 0.019608025136573 0.25633747694283 1193 Protein of unknown function, expression is sensitive to nitrogen catabolite repression and regulated by Dal80p; contains transmembrane domain nitrogen compound metabolic process molecular_function cellular_component YPR014C_d YPR014C hom 0.019595092583309 0.256651318057979 1194 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YPR014C is not an essential gene Unknown Unknown Unknown YGL062W PYC1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.019582216349074 0.257319325404031 1195 Pyruvate carboxylase isoform; cytoplasmic enzyme that converts pyruvate to oxaloacetate; differentially regulated than isoform Pyc2p; mutations in the human homolog are associated with lactic acidosis; PYC1 has a paralog, PYC2, that arose from the whole genome duplication NADPH regeneration|gluconeogenesis pyruvate carboxylase activity cytosol YGL015C_p YGL015C hom 0.0195644672223254 0.257395583053071 1196 Putative protein of unknown function; null mutants accumulate cargo in the Golgi biological_process molecular_function cellular_component YGL177W_d YGL177W hom 0.0195382143739141 0.25803477664111 1197 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YAL043C PTA1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0195294625064063 0.258248107840867 1198 Subunit of holo-CPF, a multiprotein complex and functional homolog of mammalian CPSF, required for the cleavage and polyadenylation of mRNA and snoRNA 3' ends; involved in pre-tRNA processing; binds to the phosphorylated CTD of RNAPII tRNA processing|termination of RNA polymerase II transcription, exosome-dependent|mRNA cleavage|termination of RNA polymerase II transcription, poly(A)-coupled|mRNA polyadenylation RNA binding mRNA cleavage factor complex|mRNA cleavage and polyadenylation specificity factor complex YDL132W CDC53 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0195052994173806 0.258908813224555 1199 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 YCR075C ERS1 hom 0.0194409612784959 0.260412238121124 1200 Protein with similarity to human cystinosin, which is a H(+)-driven transporter involved in L-cystine export from lysosomes and implicated in the disease cystinosis; contains seven transmembrane domains L-cystine transport|transmembrane transport L-cystine transmembrane transporter activity endosome|integral to membrane|fungal-type vacuole YMR067C UBX4 hom FT PROTEOLYSIS|NUCLEUS 0.0192994308878526 0.263899103526111 1201 UBX domain-containing protein that interacts with Cdc48p; involved in degradation of polyubiquitinated proteins via the ERAD (ER-associated degradation) pathway; modulates the Cdc48p-Nplp-Ufd1p AAA ATPase complex during its role in delivery of misfolded proteins to the proteasome; protein abundance increases in response to DNA replication stress ER-associated protein catabolic process|sporulation resulting in formation of a cellular spore protein complex binding nucleus|cytoplasm|extrinsic to membrane YGR054W YGR054W hom FT TRANSLATION 0.0192709641309717 0.26460430543181 1202 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 YPR187W RPO26 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0192227376567729 0.265801972058662 1203 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III; part of central core; similar to bacterial omega subunit 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 YNR035C ARC35 het FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0192128826334703 0.266404203354001 1204 Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches; required for cortical localization of calmodulin mitochondrion inheritance|receptor-mediated endocytosis|microtubule cytoskeleton organization|actin cytoskeleton organization structural molecule activity cytosol|Arp2/3 protein complex YLR110C CCW12 hom FF|FT CELL WALL ORG/BIOGENESIS|SITE OF POLARIZED GROWTH 0.0191844144190253 0.266970577683135 1205 Cell wall mannoprotein; plays a role in maintenance of newly synthesized areas of cell wall; localizes to periphery of small buds, septum region of larger buds, and shmoo tip; CCW12 has a paralog, YDR134C, that arose from the whole genome duplication conjugation with cellular fusion|agglutination involved in conjugation with cellular fusion|fungal-type cell wall organization molecular_function fungal-type cell wall|mating projection tip|cellular bud tip YJR126C VPS70 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|VACUOLAR TRANSPORT 0.0191764240624523 0.266955640580313 1206 Protein of unknown function involved in vacuolar protein sorting protein targeting to vacuole molecular_function cellular_component YEL006W YEA6 hom FT MITOCHONDRION 0.0191339909890386 0.268015663320464 1207 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 YDR149C_d YDR149C hom 0.0191232822647136 0.268283634717552 1208 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 YOR251C TUM1 hom FT RNA PROCESSING|MITOCHONDRION 0.0190976080299596 0.268998304082494 1209 Rhodanese domain sulfur transferase, accepts persulfite from Nfs1p and transfers it to Uba4p in the pathway for 2-thiolation of the wobble uridine base of tRNAs; also stimulates sulfur transfer by Nfs1p; may be mitochondrially localized tRNA wobble position uridine thiolation|tRNA wobble uridine modification thiosulfate sulfurtransferase activity cytoplasm YBR272C HSM3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RESPONSE TO DNA DAMAGE|NUCLEUS 0.0190974994400312 0.269645210125315 1210 Proteasome-interacting protein involved in the assembly of the base subcomplex of the 19S proteasomal regulatory particle (RP); involved in DNA mismatch repair during slow growth; weak similarity to Msh1p; related to human 19S subunit S5b; structural study suggests Hsm3p is a scaffold protein for Rpt1p-Rpt2p complex formation mismatch repair|proteasome regulatory particle assembly molecular_function cytosol|proteasome regulatory particle, base subcomplex|nucleus|cytoplasm YCL001W-B_p YCL001W-B hom 0.0190958110589959 0.268971905724828 1211 Putative protein of unknown function; present in a region duplicated between chromosomes XIV and III; YCL001W-B has a paralog, DOM34, that arose from the whole genome duplication biological_process molecular_function cellular_component YPR181C SEC23 het FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|NUCLEOTIDE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0190847286895795 0.269249909101842 1212 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 YGL246C RAI1 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0190792088309977 0.270463026770205 1213 Nuclear protein with decapping endonuclease activity targeted toward mRNAs with unmethylated 7-methylguanosine cap structures; binds to and stabilizes the exoribonuclease Rat1p; required for pre-rRNA processing; homologous to human DOM3Z deadenylation-dependent decapping of nuclear-transcribed mRNA|maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|termination of RNA polymerase II transcription, poly(A)-coupled|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) enzyme regulator activity|m7G(5')pppN diphosphatase activity nucleus YBR286W APE3 hom FT PROTEOLYSIS 0.0190628154524221 0.269800186958968 1214 Vacuolar aminopeptidase Y, processed to mature form by Prb1p vacuolar protein catabolic process aminopeptidase activity fungal-type vacuole YCR050C_p YCR050C hom 0.0190180807122945 0.270997465273819 1215 Non-essential protein of unknown function; deletion mutant is synthetically sick or lethal with alpha-synuclein biological_process molecular_function cellular_component YML005W TRM12 hom FT RNA PROCESSING 0.0190097150540025 0.271136823017044 1216 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 YDR071C PAA1 hom FT CHROMATIN ORGANIZATION 0.0189099415920784 0.273660555804319 1217 Polyamine acetyltransferase; acetylates polyamines (e.g. putrescine, spermidine, spermine) and also aralkylamines (e.g. tryptamine, phenylethylamine); may be involved in transcription and/or DNA replication chromatin organization diamine N-acetyltransferase activity|aralkylamine N-acetyltransferase activity cytoplasm YPR075C OPY2 hom FT CELL CYCLE|SIGNALING|PLASMA MEMBRANE 0.0188922213279469 0.27411045631224 1218 Integral membrane protein that acts as a membrane anchor for Ste50p; involved in the signaling branch of the high-osmolarity glycerol (HOG) pathway and as a regulator of the filamentous growth pathway; overproduction blocks cell cycle arrest in the presence of mating pheromone; relocalizes from vacuole to plasma membrane upon DNA replication stress cell cycle arrest in response to pheromone|osmosensory signaling pathway molecular_function integral to membrane|plasma membrane|fungal-type vacuole|cytoplasm YOR122C PFY1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|PLASMA MEMBRANE|CYTOSKELETON 0.0188781520925017 0.274468020256168 1219 Profilin; binds actin, phosphatidylinositol 4,5-bisphosphate, and polyproline regions; involved in cytoskeleton organization; required for normal timing of actin polymerization in response to thermal stress; protein abundance increases in response to DNA replication stress positive regulation of formin-nucleated actin cable assembly|sequestering of actin monomers|intracellular transport actin monomer binding|phosphatidylinositol-4,5-bisphosphate binding|proline-rich region binding cytosol|extrinsic to plasma membrane YJL084C ALY2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0188770190441184 0.274711790536217 1220 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 YDR225W HTA1 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME|RSC COMPLEX 0.0188676871657244 0.274734188581567 1221 Histone H2A, core histone protein required for chromatin assembly and chromosome function; one of two nearly identical subtypes (see also HTA2); DNA damage-dependent phosphorylation by Mec1p facilitates DNA repair; acetylated by Nat4p DNA repair|chromatin assembly or disassembly|negative regulation of transcription from RNA polymerase II promoter DNA binding replication fork protection complex|nuclear nucleosome YIR001C SGN1 hom 0.0188648574813003 0.274806189938493 1222 Cytoplasmic RNA-binding protein, contains an RNA recognition motif (RRM); may have a role in mRNA translation, as suggested by genetic interactions with genes encoding proteins involved in translational initiation mRNA metabolic process poly(A) RNA binding cytoplasm YKL022C CDC16 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0188305997370707 0.275678900486151 1223 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; required for sporulation anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|negative regulation of DNA-dependent DNA replication initiation|protein ubiquitination ubiquitin-protein ligase activity anaphase-promoting complex YKL205W LOS1 hom FT RNA PROCESSING|RNA LOCALIZATION|NUCLEUS|MITOCHONDRION 0.0188261923517644 0.276006385844784 1224 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 YGL136C MRM2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|MITOCHONDRION 0.0188136906835297 0.276110351848776 1225 Mitochondrial 2' O-ribose methyltransferase, required for methylation of U(2791) in 21S rRNA; MRM2 deletion confers thermosensitive respiration and loss of mitochondrial DNA; has similarity to Spb1p and Trm7p, and to E. coli FtsJ/RrmJ rRNA methylation rRNA (uridine-2'-O-)-methyltransferase activity mitochondrion YJL005W CYR1 het FT SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION|PLASMA MEMBRANE 0.018797663193059 0.276519733967107 1226 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 YFR042W KEG1 het FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0187892751484136 0.27673415036156 1227 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 YOR024W_d YOR024W hom 0.0187871121666655 0.27678945917508 1228 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YGR207C CIR1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0187805206318335 0.276958055336626 1229 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 YDR172W SUP35 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|NUCLEOTIDE METABOLISM 0.0187200111058544 0.278509016885505 1230 Translation termination factor eRF3, has a role in mRNA deadenylation and decay; altered protein conformation creates the [PSI(+)] prion that alters translational fidelity and results in a nonsense suppressor phenotype translational termination|nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay translation release factor activity cytosol|translation release factor complex YGR115C_d YGR115C het FF 0.0186747765888461 0.279887685441975 1231 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified and essential ORF SPT6/YGR115C Unknown Unknown Unknown YFL052W_p YFL052W hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0186393681685354 0.28058519881295 1232 Putative zinc cluster protein that contains a DNA binding domain; computational analysis suggests a role as a transcription factor; null mutant is sensitive to Calcofluor White, low osmolarity, and heat, suggesting a role for YFL052Wp in cell wall integrity biological_process DNA binding cellular_component YPR084W_p YPR084W hom 0.0186083790465683 0.281960957636045 1233 Putative protein of unknown function biological_process molecular_function cellular_component YBL059W_p YBL059W hom FT MITOCHONDRION 0.01858011301874 0.282189253550779 1234 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 YMR016C SOK2 hom FT NUCLEUS 0.0185752894270218 0.282242402309147 1235 Nuclear protein that negatively regulates pseudohyphal differentiation; plays a regulatory role in the cyclic AMP (cAMP)-dependent protein kinase (PKA) signal transduction pathway; SOK2 has a paralog, PHD1, that arose from the whole genome duplication pseudohyphal growth sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YKL073W LHS1 hom FT PROTEIN LOCALIZATION|NUCLEOTIDE METABOLISM|ENDOPLASMIC RETICULUM 0.0185707445497592 0.282360193292711 1236 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 YNL308C KRI1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0185678343505225 0.282435635316465 1237 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 YCL040W GLK1 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0185509117523861 0.283450017635423 1238 Glucokinase; catalyzes the phosphorylation of glucose at C6 in the first irreversible step of glucose metabolism; one of three glucose phosphorylating enzymes; expression regulated by non-fermentable carbon sources; GLK1 has a paralog, EMI2, that arose from the whole genome duplication glucose import|mannose metabolic process|glycolysis|glucose metabolic process glucokinase activity cytosol|plasma membrane YML021C UNG1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.018512389084463 0.283875570010601 1239 Uracil-DNA glycosylase, required for repair of uracil in DNA formed by spontaneous cytosine deamination, not required for strand-specific mismatch repair, cell-cycle regulated, expressed in late G1, localizes to mitochondria and nucleus DNA repair uracil DNA N-glycosylase activity mitochondrion|nucleus YDR074W TPS2 hom FT CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0185003016102663 0.284262021025349 1240 Phosphatase subunit of the trehalose-6-P synthase/phosphatase complex; involved in synthesis of the storage carbohydrate trehalose; expression is induced by stress conditions and repressed by the Ras-cAMP pathway; protein abundance increases in response to DNA replication stress trehalose biosynthetic process|response to stress trehalose-phosphatase activity mitochondrion|alpha,alpha-trehalose-phosphate synthase complex (UDP-forming) YFR039C_p YFR039C hom 0.0184587792815537 0.285272553412853 1241 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 YCR005C CIT2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.018433607511479 0.286217879707327 1242 Citrate synthase; catalyzes the condensation of acetyl coenzyme A and oxaloacetate to form citrate, peroxisomal isozyme involved in glyoxylate cycle; expression is controlled by Rtg1p and Rtg2p transcription factors; CIT2 has a paralog, CIT1, that arose from the whole genome duplication glyoxylate cycle|glutamate biosynthetic process|citrate metabolic process citrate (Si)-synthase activity mitochondrion|peroxisome YIL118W RHO3 het FT VESICLE-MEDIATED TRANSPORT|SIGNALING|CYTOSKELETON ORGANIZATION|PLASMA MEMBRANE 0.0184036603267887 0.286713699542374 1243 Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins involved in the establishment of cell polarity; GTPase activity positively regulated by the GTPase activating protein (GAP) Rgd1p positive regulation of formin-nucleated actin cable assembly|establishment or maintenance of actin cytoskeleton polarity|positive regulation of exocytosis GTP binding|GTPase activity cytosol|plasma membrane|cellular bud YIR037W HYR1 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS 0.0183794013934665 0.287637435985704 1244 Thiol peroxidase that functions as a hydroperoxide receptor to sense intracellular hydroperoxide levels and transduce a redox signal to the Yap1p transcription factor cellular response to oxidative stress phospholipid-hydroperoxide glutathione peroxidase activity|glutathione peroxidase activity intracellular YDR534C FIT1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0183669133706753 0.287677214863536 1245 Mannoprotein that is incorporated into the cell wall via a glycosylphosphatidylinositol (GPI) anchor, involved in the retention of siderophore-iron in the cell wall siderophore transport molecular_function fungal-type cell wall YOR361C PRT1 het FT TRANSLATION 0.0182871818010996 0.289775299534578 1246 eIF3b subunit of the core complex of translation initiation factor 3 (eIF3), essential for translation; part of a subcomplex (Prt1p-Rpg1p-Nip1p) that stimulates binding of mRNA and tRNA(i)Met to ribosomes translational initiation translation initiation factor activity eukaryotic translation initiation factor 3 complex|multi-eIF complex|cytoplasmic stress granule|cytoplasm YAL028W FRT2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0182863208188422 0.289798011784578 1247 Tail-anchored ER membrane protein of unknown function; interacts with homolog Frt1p; promotes growth in conditions of high Na+, alkaline pH, or cell wall stress, possibly via a role in posttranslational translocation; potential Cdc28p substrate; FRT2 has a paralog, FRT1, that arose from the whole genome duplication response to stress molecular_function endoplasmic reticulum YMR008C PLB1 hom FT LIPID METABOLISM|PLASMA MEMBRANE 0.0182842196518059 0.289853444472887 1248 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 YNL091W NST1 hom 0.0182726640549157 0.290158430100917 1249 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 YGR142W BTN2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ION HOMEOSTASIS|ION HOMEOSTASIS 0.0182483744687373 0.291232581583164 1250 v-SNARE binding protein; facilitates specific protein retrieval from a late endosome to the Golgi; modulates arginine uptake, possible role in mediating pH homeostasis between the vacuole and plasma membrane H(+)-ATPase; BTN2 has a paralog, CUR1, that arose from the whole genome duplication intracellular protein transport|amino acid transport|retrograde transport, endosome to Golgi|regulation of pH SNARE binding cytosol|late endosome|perinuclear region of cytoplasm YKR065C PAM17 hom FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0182287223247191 0.291608344942375 1251 Constituent of the TIM23 complex; proposed alternatively to be a component of the import motor (PAM complex) or to interact with and modulate the core TIM23 (Translocase of the Inner mitochondrial Membrane) complex; protein abundance increases in response to DNA replication stress protein import into mitochondrial matrix molecular_function mitochondrion|presequence translocase-associated import motor YOR351C MEK1 hom FT CELL CYCLE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0182156508927764 0.291666331850235 1252 Meiosis-specific serine/threonine protein kinase, functions in meiotic checkpoint, promotes recombination between homologous chromosomes by suppressing double strand break repair between sister chromatids meiosis|meiotic recombination checkpoint|protein phosphorylation protein serine/threonine kinase activity|protein kinase activity nucleus YMR056C AAC1 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0181937107137895 0.292320042714233 1253 Mitochondrial inner membrane ADP/ATP translocator; exchanges cytosolic ADP for mitochondrially synthesized ATP; phosphorylated; Aac1p is a minor isoform while Pet9p is the major ADP/ATP translocator; relocalizes from mitochondrion to cytoplasm upon DNA replication stress heme biosynthetic process|mitochondrial transport|heme transport|aerobic respiration ATP:ADP antiporter activity mitochondrion|integral to membrane|mitochondrial inner membrane YDR072C IPT1 hom FT LIPID METABOLISM 0.0181376568952808 0.293737653844816 1254 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 YDL201W TRM8 hom FT RNA PROCESSING|NUCLEUS 0.0181057786789758 0.294587090601479 1255 Noncatalytic 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 YML097C VPS9 hom FF|FT PROTEIN LOCALIZATION|VACUOLAR TRANSPORT 0.0181003054789523 0.294733096532347 1256 A guanine nucleotide exchange factor involved in vesicle-mediated vacuolar protein transport; specifically stimulates the intrinsic guanine nucleotide exchange activity of Vps21p/Rab5: similar to mammalian ras inhibitors; binds ubiquitin vacuole inheritance|protein targeting to vacuole ubiquitin binding|guanyl-nucleotide exchange factor activity cytosol YNL266W_d YNL266W hom 0.0180639690884545 0.295703653998218 1257 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF IST1/YNL265C Unknown Unknown Unknown YDL093W PMT5 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0180566501623052 0.295899403528211 1258 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 YNR019W ARE2 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0180242312169922 0.297056033347529 1259 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 YBR147W RTC2 hom FT MITOCHONDRION 0.0180218280567228 0.296831931208696 1260 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 YDR250C_d YDR250C hom 0.0179882219707043 0.297733755149685 1261 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data Unknown Unknown Unknown YLR386W VAC14 hom FT PROTEIN LOCALIZATION|LIPID METABOLISM 0.0179851758791946 0.297815587795077 1262 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 YLR168C UPS2 hom FT LIPID METABOLISM|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0179513680061831 0.298724838134748 1263 Mitochondrial protein involved in phospholipid metabolism; localizes to the intermembrane space; has a role in regulation of phospholipid metabolism by inhibiting conversion of phosphatidylethanolamine to phosphatidylcholine; null mutant has defects in mitochondrial morphology; similar to Ups1p, Ups3p and to human PRELI cristae formation|Unknown|phosphatidylethanolamine metabolic process|cardiolipin metabolic process molecular_function extrinsic to mitochondrial inner membrane|mitochondrion|mitochondrial intermembrane space YDR305C HNT2 hom FT NUCLEUS|MITOCHONDRION 0.0179157562892775 0.299684603464693 1264 Dinucleoside triphosphate hydrolase; has similarity to the tumor suppressor FHIT and belongs to the histidine triad (HIT) superfamily of nucleotide-binding proteins nucleoside catabolic process hydrolase activity|nucleoside-triphosphatase activity mitochondrion|nucleus|cytoplasm YGL084C GUP1 hom FF|FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0179055021375051 0.299961342142791 1265 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 YHR087W RTC3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0179044867265198 0.300060890941269 1266 Protein of unknown function involved in RNA metabolism; has structural similarity to SBDS, the human protein mutated in Shwachman-Diamond Syndrome (the yeast SBDS ortholog = SDO1); null mutation suppresses cdc13-1 temperature sensitivity; protein abundance increases in response to DNA replication stress RNA metabolic process molecular_function nucleus|cytoplasm YNL051W COG5 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0178738498258091 0.301466752491711 1267 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 intra-Golgi vesicle-mediated transport|CVT pathway molecular_function Golgi transport complex YLR324W PEX30 hom FF|FT PEROXISOME ORGANIZATION 0.0178601426048326 0.30118754618343 1268 Peroxisomal integral membrane protein, involved in negative regulation of peroxisome number; partially functionally redundant with Pex31p; genetic interactions suggest action at a step downstream of steps mediated by Pex28p and Pex29p peroxisome organization molecular_function integral to membrane|peroxisome|integral to peroxisomal membrane YPL233W NSL1 het FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0178410302525032 0.301705208160039 1269 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 YIL139C REV7 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.017792463728679 0.30302330453164 1270 Accessory subunit of DNA polymerase zeta, involved in translesion synthesis during post-replication repair; required for mutagenesis induced by DNA damage; involved in double-strand break repair error-prone translesion synthesis|error-free translesion synthesis DNA-directed DNA polymerase activity nuclear chromatin|mitochondrion|zeta DNA polymerase complex YGR180C RNR4 hom FT OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.01777131068273 0.303959671386162 1271 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 YKR023W_p YKR023W hom FT NUCLEUS|MITOCHONDRION 0.017745966932014 0.304288808876121 1272 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 YBR088C POL30 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0177341837576526 0.304610068118765 1273 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 YOR223W YOR223W hom FT ENDOPLASMIC RETICULUM 0.0177315615957776 0.304681589960595 1274 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 YMR167W MLH1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.017720394902939 0.304986296378397 1275 Protein required for mismatch repair in mitosis and meiosis as well as crossing over during meiosis; forms a complex with Pms1p and Msh2p-Msh3p during mismatch repair; human homolog is associated with hereditary non-polyposis colon cancer mismatch repair|meiotic mismatch repair|reciprocal meiotic recombination|meiotic heteroduplex formation 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 mitochondrion|nucleus|MutLalpha complex|MutLbeta complex|cytoplasm YLR357W RSC2 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|RSC COMPLEX 0.0177038558449155 0.305437970204299 1276 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 YEL023C_p YEL023C hom 0.0176685176171279 0.306621171214447 1277 Putative protein of unknown function; expression is increased greatly during sporulation; YEL023C is not an essential gene biological_process molecular_function cellular_component YBR077C SLM4 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|SIGNALING 0.0176478366233748 0.307621687460262 1278 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; gene exhibits synthetic genetic interaction with MSS4 signal transduction|microautophagy phosphatidylinositol-3,4-bisphosphate binding fungal-type vacuole membrane|EGO complex|late endosome membrane|cytoplasm YNL120C_d YNL120C hom 0.0176256909711806 0.307578613994818 1279 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; deletion enhances replication of Brome mosaic virus in S. cerevisiae, but likely due to effects on the overlapping gene Unknown Unknown Unknown YKR011C YKR011C hom FT NUCLEUS 0.0176148476335608 0.307876354608177 1280 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the nucleus; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus YMR177W MMT1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0176094067063212 0.308025825524959 1281 Putative metal transporter involved in mitochondrial iron accumulation; closely related to Mmt2p cellular iron ion homeostasis molecular_function mitochondrion|integral to membrane YLR123C_d YLR123C hom 0.0175947605043081 0.308428418398329 1282 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the dubious ORF YLR122C; contains characteristic aminoacyl-tRNA motif Unknown Unknown Unknown YDR497C ITR1 hom FT PLASMA MEMBRANE 0.017581727669223 0.30878695561589 1283 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 YOR126C IAH1 hom FT KETONE METABOLISM|LIPID METABOLISM 0.0175276308550888 0.310639411589249 1284 Isoamyl acetate-hydrolyzing esterase, required in balance with alcohol acetyltransferase to maintain optimal amounts of isoamyl acetate, which is particularly important in sake brewing acetate metabolic process hydrolase activity, acting on ester bonds cellular_component YMR214W SCJ1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|ENDOPLASMIC RETICULUM 0.0175177602476838 0.310550710803426 1285 One of several homologs of bacterial chaperone DnaJ, located in the ER lumen where it cooperates with Kar2p to mediate maturation of proteins ER-associated protein catabolic process|protein folding in endoplasmic reticulum|response to unfolded protein chaperone binding endoplasmic reticulum lumen YML112W CTK3 hom FF|FT RNA PROCESSING|RESPONSE TO DNA DAMAGE|TRANSLATION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0174752262678283 0.312160810109964 1286 Gamma subunit of C-terminal domain kinase I; CTDK-I phosphorylates RNA polymerase II subunit Rpo21p to affect transcription and pre-mRNA 3' end processing, and also phosphorylates ribosomal protein Rps2p to increase translational fidelity; protein abundance increases in response to DNA replication stress mRNA 3'-end processing|positive regulation of translational fidelity|positive regulation of transcription from RNA polymerase I promoter|positive regulation of DNA-dependent transcription, elongation|protein phosphorylation cyclin-dependent protein kinase activity nucleoplasm|nucleolus|carboxy-terminal domain protein kinase complex YAR018C KIN3 hom FT PROTEIN PHOSPHORYLATION|CHROMOSOME SEGREGATION 0.0174626077250216 0.312076740579602 1287 Nonessential serine/threonine protein kinase; possible role in DNA damage response chromosome segregation|protein phosphorylation protein kinase activity cellular_component YLR233C EST1 hom FT NUCLEUS|CHROMOSOME 0.0174441898346574 0.312587448475346 1288 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 YAL040C CLN3 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|MEMBRANE ORGANIZATION|CELL DIVISION|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0174337203151989 0.312950226003924 1289 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 YLR266C PDR8 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0174321904394749 0.312920474419121 1290 Transcription factor; targets include ATP-binding cassette (ABC) transporters, major facilitator superfamily transporters, and other genes involved in the pleiotropic drug resistance (PDR) phenomenon; PDR8 has a paralog, YRR1, that arose from the whole genome duplication positive regulation of transcription from RNA polymerase II promoter in response to stress RNA polymerase II core promoter proximal region sequence-specific DNA binding|sequence-specific DNA binding RNA polymerase II transcription factor activity|sequence-specific DNA binding nucleus YMR179W SPT21 hom FT TRANSCRIPTION FROM RNA POL II|GENE SILENCING|NUCLEUS 0.0174010145361716 0.313786807928485 1291 Protein with a role in transcriptional silencing; required for normal transcription at several loci including HTA2-HTB2 and HHF2-HHT2, but not required at the other histone loci; functionally related to Spt10p; localizes to nuclear foci that become diffuse upon DNA replication stress chromatin silencing at rDNA|regulation of transcription from RNA polymerase II promoter|chromatin silencing at telomere|chromatin silencing at silent mating-type cassette molecular_function nucleus YPL163C SVS1 hom 0.0173829406484366 0.314289776887587 1292 Cell wall and vacuolar protein; required for wild-type resistance to vanadate; SVS1 has a paralog, SRL1, that arose from the whole genome duplication response to chemical stimulus molecular_function fungal-type cell wall|fungal-type vacuole YCL028W RNQ1 hom FT NUCLEUS 0.0173775664409468 0.31443943511305 1293 [PIN(+)] prion, an infectious protein conformation that is generally an ordered protein aggregate biological_process molecular_function cytosol YFL041W-A_p YFL041W-A hom 0.0173675633917179 0.314718119694997 1294 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YNL220W ADE12 hom FT NUCLEOTIDE METABOLISM 0.0173482799720325 0.31525581289502 1295 Adenylosuccinate synthase, catalyzes the first step in synthesis of adenosine monophosphate from inosine 5'monophosphate during purine nucleotide biosynthesis; exhibits binding to single-stranded autonomously replicating (ARS) core sequence purine nucleotide biosynthetic process DNA replication origin binding|adenylosuccinate synthase activity cytoplasm YBL050W SEC17 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION 0.0172986657295375 0.316642013100974 1296 Peripheral membrane protein required for vesicular transport between ER and Golgi, the 'priming' step in homotypic vacuole fusion, and autophagy; stimulates the ATPase activity of Sec18p; has similarity to mammalian alpha-SNAP autophagy|SNARE complex disassembly|vesicle fusion with Golgi apparatus|vacuole fusion, non-autophagic ATPase activator activity|soluble NSF attachment protein activity SNARE complex|cytosol|extrinsic to membrane YIL031W ULP2 het FT CELL CYCLE|PROTEOLYSIS|NUCLEUS 0.0172979105724312 0.316663142696983 1297 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 YCR088W ABP1 hom FT PROTEIN LOCALIZATION|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.017256776018983 0.317815500821656 1298 Actin-binding protein of the cortical actin cytoskeleton, important for activation of the Arp2/3 complex that plays a key role actin in cytoskeleton organization; phosphorylation within its PRR (Proline-Rich Region), mediated by Cdc28p and Pho85p, protects Abp1p from proteolysis mediated by its own PEST sequences protein localization|actin cortical patch assembly actin filament binding cell cortex|mating projection tip|cytoplasm|actin cortical patch YHR163W SOL3 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0172542096083962 0.319990936757313 1299 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 YJR016C ILV3 het FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0172466518106122 0.31809954475165 1300 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 YKL078W DHR2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0171861759331407 0.319799712262182 1301 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 YLR118C YLR118C hom FT KETONE METABOLISM|LIPID METABOLISM|NUCLEUS 0.0171573479441855 0.320612244998103 1302 Acyl-protein thioesterase responsible for depalmitoylation of Gpa1p; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and nucleus and is induced in response to the DNA-damaging agent MMS protein deacylation palmitoyl-(protein) hydrolase activity nucleus|cytoplasm YFR013W IOC3 hom FT CHROMATIN ORGANIZATION|NUCLEUS 0.017125572521176 0.321509413909421 1303 Subunit of the Isw1a complex; Isw1a has nucleosome-stimulated ATPase activity and represses transcription initiation by specific positioning of a promoter proximal dinucleosome; IOC3 has a paralog, ESC8, that arose from the whole genome duplication chromatin remodeling nucleosome binding|ATPase activity|DNA binding ISW1 complex YML125C PGA3 het FT PROTEIN LOCALIZATION|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0171245254870663 0.321539004442289 1304 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 YFL053W DAK2 hom FT CARBOHYDRATE METABOLISM 0.017078979437762 0.322827914760971 1305 Dihydroxyacetone kinase, required for detoxification of dihydroxyacetone (DHA); involved in stress adaptation response to stress|glycerol catabolic process glycerone kinase activity cellular_component YLR459W GAB1 het FT CELL CYCLE|LIPID METABOLISM|CELL DIVISION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0170495683672789 0.323662007425837 1306 GPI transamidase subunit, involved in attachment of glycosylphosphatidylinositol (GPI) anchors to proteins; may have a role in recognition of the attachment signal or of the lipid portion of GPI attachment of GPI anchor to protein GPI-anchor transamidase activity integral to membrane|GPI-anchor transamidase complex YHR029C YHI9 hom FT SIGNALING 0.0169842809604355 0.326024468780948 1307 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 YMR121C RPL15B hom FT TRANSLATION|RIBOSOME 0.0169067626852009 0.327731884389069 1308 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 YML111W BUL2 hom FT UBIQUITIN LIGASE COMPLEX 0.0168952652298554 0.328060992782937 1309 Component of the Rsp5p E3-ubiquitin ligase complex; involved in intracellular amino acid permease sorting, functions in heat shock element mediated gene expression, essential for growth in stress conditions; BUL2 has a paralog, BUL1, that arose from the whole genome duplication protein polyubiquitination|protein monoubiquitination ubiquitin-ubiquitin ligase activity ubiquitin ligase complex|cytoplasm YPL227C ALG5 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.016892572386411 0.328138104923217 1310 UDP-glucose:dolichyl-phosphate glucosyltransferase, involved in asparagine-linked glycosylation in the endoplasmic reticulum protein N-linked glycosylation dolichyl-phosphate beta-glucosyltransferase activity endoplasmic reticulum membrane YMR322C_p SNO4 hom FT PROTEOLYSIS 0.0168479967057599 0.329416279325674 1311 Possible chaperone and cysteine protease, similar to bacterial Hsp31 and yeast Hsp31p, Hsp32p, and Hsp33p; DJ-1/ThiJ/PfpI superfamily member; predicted involvement in pyridoxine metabolism; induced by mild heat stress and copper deprivation biological_process cysteine-type peptidase activity cellular_component YNL012W SPO1 hom FT CELL CYCLE|LIPID METABOLISM|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0168300271238571 0.329932454310361 1312 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 YLR196W PWP1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0168059024496608 0.330626256613836 1313 Protein with WD-40 repeats involved in rRNA processing; associates with trans-acting ribosome biogenesis factors; similar to beta-transducin superfamily rRNA processing molecular_function nucleolus|nucleus|cytoplasm YJL135W_d YJL135W hom 0.0168001013479074 0.330793231329333 1314 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 YJL105W SET4 hom FT CHROMATIN ORGANIZATION 0.0167846903549742 0.331309246083872 1315 Protein of unknown function, contains a SET domain; SET4 has a paralog, SET3, that arose from the whole genome duplication biological_process molecular_function cellular_component YDR484W VPS52 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|VACUOLAR TRANSPORT|GOLGI APPARATUS|CYTOSKELETON 0.0167809921112396 0.331560216734232 1316 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; involved in localization of actin and chitin actin filament-based process|Golgi to vacuole transport|retrograde transport, endosome to Golgi protein binding Golgi apparatus|GARP complex YJL088W ARG3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0167593292323819 0.331968324603833 1317 Ornithine carbamoyltransferase (carbamoylphosphate:L-ornithine carbamoyltransferase), catalyzes the sixth step in the biosynthesis of the arginine precursor ornithine arginine biosynthetic process|ornithine metabolic process ornithine carbamoyltransferase activity cytosol YBR267W REI1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RIBOSOME BIOGENESIS|CELL DIVISION|RIBOSOME 0.0167584449927653 0.331993839112776 1318 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 YBL071W-A KTI11 hom FT RNA PROCESSING|NUCLEUS 0.0167432360725115 0.332577229058543 1319 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 YPR069C SPE3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.016710184905561 0.333388292541093 1320 Spermidine synthase, involved in biosynthesis of spermidine and also in biosynthesis of pantothenic acid; spermidine is required for growth of wild-type cells spermidine biosynthetic process|pantothenate biosynthetic process spermidine synthase activity nucleus|cytoplasm YMR107W SPG4 hom 0.0166912907142181 0.333935259232213 1321 Protein required for survival at high temperature during stationary phase; not required for growth on nonfermentable carbon sources biological_process molecular_function cellular_component YGR290W_d YGR290W hom 0.0166866103346027 0.334070840580363 1322 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; putative HLH protein; partially overlaps the verified ORF MAL11/YGR289C (a high-affinity maltose transporter) Unknown Unknown Unknown YJR001W AVT1 hom FT VACUOLAR TRANSPORT 0.0166538276407659 0.336323105430966 1323 Vacuolar transporter, imports large neutral amino acids into the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters amino acid transport|vacuolar transport 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 YLR261C_d VPS63 hom FF 0.0166510667909651 0.335101624447092 1324 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 98% of ORF overlaps the verified gene YPT6; deletion causes a vacuolar protein sorting defect Unknown Unknown Unknown YBL093C ROX3 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0166452801081985 0.335630506076296 1325 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 YMR233W TRI1 hom FT NUCLEUS 0.0165908946048091 0.336851316384835 1326 Non-essential sumoylated protein of unknown function; similar to components of human SWI/SNF complex including SMRD3; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm, nucleus and nucleolus; TRI1 has a paralog, UAF30, that arose from the whole genome duplication biological_process molecular_function nucleolus|nucleus|cytoplasm YMR102C_p YMR102C hom 0.0165872522037611 0.33695741858545 1327 Protein of unknown function; transcription is activated by paralogous transcription factors Yrm1p and Yrr1p along with genes involved in multidrug resistance; mutant shows increased resistance to azoles; YMR102C is not an essential gene biological_process molecular_function cellular_component YOR327C SNC2 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0165736587743679 0.337353581301512 1328 Vesicle membrane receptor protein (v-SNARE); involved in the fusion between Golgi-derived secretory vesicles with the plasma membrane; member of the synaptobrevin/VAMP family of R-type v-SNARE proteins; SNC2 has a paralog, SNC1, 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 YOL031C SIL1 hom FT PROTEIN LOCALIZATION|ENDOPLASMIC RETICULUM 0.016540068211987 0.338478031895948 1329 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 YBL096C_d YBL096C hom 0.0165280247291815 0.338685713209486 1330 Non-essential protein of unknown function Unknown Unknown Unknown YNL049C SFB2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0164957793328299 0.3399174863398 1331 Component of the Sec23p-Sfb2p heterodimer of the COPII vesicle coat, required for cargo selection during vesicle formation in ER to Golgi transport; homologous to Sec24p and Sfb3p cargo loading into COPII-coated vesicle signal sequence binding COPII vesicle coat YDR168W CDC37 het FT CELL CYCLE|SIGNALING|CELL DIVISION|CYTOSKELETON ORGANIZATION 0.0164747779009413 0.340244334838738 1332 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 YPL009C TAE2 hom FT TRANSLATION 0.0164729257805367 0.3403707035671 1333 Protein of unknown function, involved in protein translation; may interact with ribosomes, based on co-purification experiments; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm cytoplasmic translation molecular_function ribosome|cytoplasm YHL015W-A_p YHL015W-A hom 0.016472156536221 0.340681746812803 1334 Putative protein of unknown function biological_process molecular_function cellular_component YPL246C RBD2 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0164717386415982 0.340333437317458 1335 Possible rhomboid protease, has similarity to eukaryotic rhomboid proteases including Pcp1p biological_process molecular_function COPI-coated vesicle|integral to membrane|Golgi apparatus YDR514C YDR514C hom FT NUCLEUS|MITOCHONDRION 0.0164504888456471 0.340956838664254 1336 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 YNL123W NMA111 hom FT LIPID METABOLISM|PROTEOLYSIS|NUCLEUS 0.0164387226605701 0.341302335274426 1337 Serine protease and general molecular chaperone; involved in response to heat stress and promotion of apoptosis; may contribute to lipid homeostasis; sequence similarity to the mammalian Omi/HtrA2 family of serine proteases apoptotic process|cellular lipid metabolic process|protein catabolic process|cellular response to heat serine-type peptidase activity nucleus YAL004W_d YAL004W hom 0.0164205021040238 0.342270404410628 1338 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; completely overlaps verified gene SSA1/YAL005C Unknown Unknown Unknown YKL007W CAP1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0164164808155449 0.341956045868724 1339 Alpha subunit of the capping protein heterodimer (Cap1p and Cap2p); capping protein (CP) binds to the barbed ends of actin filaments preventing further polymerization; localized predominantly to cortical actin patches; protein increases in abundance and relocalizes from bud neck to plasma membrane upon DNA replication stress barbed-end actin filament capping actin filament binding actin filament|F-actin capping protein complex|mating projection tip|actin cortical patch YLR231C BNA5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0164033243250677 0.342343105203438 1340 Kynureninase, required for the de novo biosynthesis of NAD from tryptophan via kynurenine; expression regulated by Hst1p de novo NAD biosynthetic process from tryptophan kynureninase activity nucleus|cytoplasm YJL189W RPL39 hom FT TRANSLATION|RIBOSOME 0.0163734651161185 0.34322259118615 1341 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 YAR002C-A ERP1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0163673600935945 0.343762926810744 1342 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 YKR104W YKR104W hom FT NUCLEOTIDE METABOLISM 0.0163392759263363 0.344231384564827 1343 Putative transporter of the multidrug resistance-associated protein (MRP) subfamily; contains a stop codon in S288C; adjacent ORFs YKR103W and YKR104W are merged in different strain backgrounds transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|membrane YER037W PHM8 hom FT RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0163051040630228 0.345241554831353 1344 Lysophosphatidic acid (LPA) phosphatase involved in LPA hydrolysis in response to phosphate starvation; phosphatase activity is soluble and Mg2+ dependent; expression is induced by low phosphate levels and by inactivation of Pho85p cellular response to phosphate starvation lysophosphatidic acid phosphatase activity nucleus|cytoplasm YOL083W ATG34 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS 0.0162836793987175 0.346091884589456 1345 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 YKR012C_d YKR012C hom 0.016230016531622 0.347467880994882 1346 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene PRY2 Unknown Unknown Unknown YOL146W PSF3 het FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0162063993079701 0.348170008641103 1347 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 replication fork protection complex|GINS complex|DNA replication preinitiation complex YBR130C SHE3 hom FT RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0161738508665264 0.349139132889902 1348 Protein that acts as an adaptor between Myo4p and the She2p-mRNA complex; part of the mRNA localization machinery that restricts accumulation of certain proteins to the bud; also required for cortical ER inheritance mating type switching|endoplasmic reticulum inheritance|intracellular mRNA localization mRNA binding actin cap|cytoplasm|cellular bud tip YDL121C_p YDL121C hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0161404519875357 0.350999622475805 1349 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 YNL074C MLF3 hom 0.0161351328481603 0.350294182823368 1350 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 YPR171W BSP1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.0161235057595367 0.351073230486633 1351 Adapter that links synaptojanins Inp52p and Inp53p to the cortical actin cytoskeleton actin cortical patch localization protein binding, bridging mating projection tip|membrane|cellular bud neck|actin cortical patch|cellular bud tip YER144C UBP5 hom FT PROTEOLYSIS|SITE OF POLARIZED GROWTH 0.0161095376451018 0.351059076759462 1352 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 YLR392C ART10 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0161024413743745 0.351271330825331 1353 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 YJR131W MNS1 hom FT CARBOHYDRATE METABOLISM|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0161005830496259 0.351326927952178 1354 Alpha-1,2-mannosidase involved in ER-associated protein degradation (ERAD); catalyzes the removal of one mannose residue from a glycosylated protein, converting the modification from Man9GlcNAc to Man8GlcNAc; catalyzes the last step in glycoprotein maturation in the ER and is critical for ER protein degradation ER-associated protein catabolic process|protein deglycosylation involved in glycoprotein catabolic process mannosyl-oligosaccharide 1,2-alpha-mannosidase activity endoplasmic reticulum YPL123C RNY1 hom 0.0160625849974377 0.352536836442215 1355 Vacuolar RNase of the T(2) family, relocalizes to the cytosol where it cleaves tRNAs upon oxidative or stationary phase stress; promotes apoptosis under stress conditions and this function is independent of its catalytic activity cell morphogenesis|RNA catabolic process|apoptotic process endoribonuclease activity cytosol|extracellular region|vacuole YMR136W GAT2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0160437127556299 0.353031060670935 1356 Protein containing GATA family zinc finger motifs; similar to Gln3p and Dal80p; expression repressed by leucine regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding RNA polymerase II transcription factor activity nucleus YOL055C THI20 hom 0.0160346586995073 0.353662291752775 1357 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 YIL003W CFD1 het FT RNA PROCESSING|COFACTOR METABOLISM 0.0160081828549907 0.354098370864348 1358 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 YCL010C SGF29 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0159370088947194 0.356242542706549 1359 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 YNL262W POL2 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.015927901935768 0.356589265543595 1360 Catalytic subunit of DNA polymerase (II) epsilon, a chromosomal DNA replication polymerase that exhibits processivity and proofreading exonuclease activity; also involved in DNA synthesis during DNA repair; interacts extensively with Mrc1p DNA replication involved in S phase|double-strand break repair via nonhomologous end joining|DNA synthesis involved in DNA repair|DNA-dependent DNA replication|mitotic cell cycle DNA replication checkpoint|mitotic sister chromatid cohesion|chromatin silencing at telomere double-stranded DNA binding|single-stranded DNA binding|DNA-directed DNA polymerase activity replication fork|epsilon DNA polymerase complex YAL068C PAU8 hom FT TRANSCRIPTION FROM RNA POL II 0.0159004606535865 0.357418520336624 1361 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 YJL045W YJL045W hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.015868186267826 0.358323641553781 1362 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 YGR230W BNS1 hom FT CELL CYCLE 0.0158340316676778 0.359359260489997 1363 Protein with some similarity to Spo12p; overexpression bypasses need for Spo12p, but not required for meiosis meiosis molecular_function cellular_component YOR227W HER1 hom FT MITOCHONDRION 0.0158310944545664 0.359448408914811 1364 Protein of unknown function required for proliferation or remodeling of the ER that is caused by overexpression of Hmg2p; may interact with ribosomes, based on co-purification experiments; HER1 has a paralog, GIP3, that arose from the whole genome duplication endoplasmic reticulum organization molecular_function mitochondrion|ribosome|cytoplasm YJR036C HUL4 hom FT PROTEOLYSIS|NUCLEUS 0.0157832151598728 0.360903568780299 1365 Protein with similarity to hect domain E3 ubiquitin-protein ligases; not essential for viability; found in association with Trf4 in TRAMP complex protein ubiquitination ubiquitin-protein ligase activity TRAMP complex YGL172W NUP49 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0157680320667853 0.361365787597979 1366 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 YKL006W RPL14A hom FT TRANSLATION|RIBOSOME 0.0157261863888619 0.36271324701085 1367 Ribosomal 60S subunit protein L14A; N-terminally acetylated; homologous to mammalian ribosomal protein L14, no bacterial homolog; RPL14A has a paralog, RPL14B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YPR144C NOC4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0157238042839581 0.362714326979533 1368 Nucleolar protein, forms a complex with Nop14p that mediates maturation and nuclear export of 40S ribosomal subunits ribosomal small subunit biogenesis|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)|rRNA processing molecular_function small-subunit processome|nucleolus|nucleus|90S preribosome|Noc4p-Nop14p complex YJL187C SWE1 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS|SITE OF POLARIZED GROWTH 0.0156988364382992 0.363477004987518 1369 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 YNL253W TEX1 hom FT RNA LOCALIZATION|NUCLEUS 0.0156976104934092 0.363514479012141 1370 Protein involved in mRNA export, component of the transcription export (TREX) complex mRNA export from nucleus molecular_function transcription export complex YMR094W CTF13 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0156846652737219 0.363910328964445 1371 Subunit of the CBF3 complex, which binds to the CDE III element of centromeres, bending the DNA upon binding, and may be involved in sister chromatid cohesion during mitosis kinetochore assembly|septin ring assembly DNA binding, bending|centromeric DNA binding condensed nuclear chromosome kinetochore|CBF3 complex YKL047W_p ANR2 hom 0.0156795987822489 0.364065329790539 1372 Putative protein of unknown function, predicted to be palmitoylated; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm biological_process molecular_function cytoplasm YGL057C GEP7 hom FT MITOCHONDRION 0.0156735283163828 0.364251099857514 1373 Protein of unknown function; null mutant exhibits a respiratory growth defect and synthetic interactions with prohibitin (phb1) and gem1; authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process molecular_function mitochondrion YDR131C_p YDR131C hom FT PROTEOLYSIS 0.0156238608083102 0.36605957824651 1374 F-box protein, substrate-specific adaptor subunit that recruits substrates to a core ubiquitination complex SCF-dependent proteasomal ubiquitin-dependent protein catabolic process ubiquitin-protein ligase activity|protein binding, bridging SCF ubiquitin ligase complex YGR028W MSP1 hom FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0155960064733664 0.366628650021047 1375 Mitochondrial protein involved in sorting of proteins in the mitochondria; putative membrane-spanning ATPase protein targeting to mitochondrion ATPase activity mitochondrial outer membrane|mitochondrion YCR020W-B HTL1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|RSC COMPLEX 0.015558774967785 0.368418095026504 1376 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 regulation of cell cycle|nucleosome disassembly|response to DNA damage stimulus|chromatin remodeling|transcription elongation from RNA polymerase II promoter chromatin binding RSC complex YPL007C TFC8 het FT NUCLEUS 0.0155132642505452 0.369176951154914 1377 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 YER134C YER134C hom FT NUCLEUS 0.0154850537025581 0.370048292432248 1378 Magnesium-dependent acid phosphatase, member of the haloacid dehalogenase superfamily; non-essential gene biological_process acid phosphatase activity nucleus|cytoplasm YCL001W RER1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0154255101102511 0.371891608091201 1379 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 YFR002W NIC96 het FF|FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0154024871472075 0.372605862483619 1380 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 YMR230W RPS10B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0153751929373934 0.37345372596152 1381 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S10, no bacterial homolog; RPS10B has a paralog, RPS10A, that arose from the whole genome duplication cytoplasmic translation|rRNA export from nucleus structural constituent of ribosome cytosolic small ribosomal subunit YPL071C_p YPL071C hom FT NUCLEUS 0.0153733516273954 0.373510967105728 1382 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and the nucleus biological_process molecular_function nucleus|cytoplasm YJR042W NUP85 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0153720056837628 0.373552812138207 1383 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 YDL117W CYK3 hom FT CELL CYCLE|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0153544816691448 0.374097893810997 1384 SH3-domain protein located in the bud neck and cytokinetic actin ring; relocalizes from bud neck to nucleus upon DNA replication stress; activates the chitin synthase activity of Chs2p during cytokinesis; suppressor of growth and cytokinesis defects of chs2 phospho-mutants barrier septum assembly involved in cell cycle cytokinesis|cytokinesis molecular_function cellular bud neck contractile ring|cellular bud neck|cytoplasm YLR240W VPS34 hom FT PROTEIN LOCALIZATION|LIPID METABOLISM|SIGNALING|PROTEIN PHOSPHORYLATION|PEROXISOME ORGANIZATION|GOLGI APPARATUS 0.015354413307563 0.374100021149605 1385 Phosphatidylinositol (PI) 3-kinase that synthesizes PI-3-phosphate; forms membrane-associated signal transduction complex with Vps15p to regulate protein sorting; activated by the GTP-bound form of Gpa1p; a fraction is localized, with Vps15p, to nuclear pores at nucleus-vacuole junctions and may facilitate transcription elongation for genes positioned at the nuclear periphery peroxisome degradation|phosphatidylinositol phosphorylation|protein phosphorylation 1-phosphatidylinositol-3-kinase activity|protein kinase activity endosome|fungal-type vacuole membrane|phosphatidylinositol 3-kinase complex I|phosphatidylinositol 3-kinase complex II|peroxisome|pre-autophagosomal structure YHR198C AIM18 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.015308612573699 0.37552697145282 1386 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 YLR178C TFS1 hom FT SIGNALING|PROTEOLYSIS 0.0152957309671405 0.37592891056729 1387 Protein that interacts with and inhibits carboxypeptidase Y and Ira2p; phosphatidylethanolamine-binding protein (PEBP) family member; targets to vacuolar membranes during stationary phase; acetylated by NatB N-terminal acetyltransferase; protein abundance increases in response to DNA replication stress regulation of Ras protein signal transduction|regulation of proteolysis lipid binding|peptidase inhibitor activity|phospholipid binding fungal-type vacuole lumen|fungal-type vacuole membrane|cytoplasm YLR039C RIC1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|NUCLEUS|GOLGI APPARATUS 0.0152853251961745 0.376253791042413 1388 Protein involved in retrograde transport to the cis-Golgi network; forms heterodimer with Rgp1p that acts as a GTP exchange factor for Ypt6p; involved in transcription of rRNA and ribosomal protein genes intracellular protein transport|retrograde transport, endosome to Golgi guanyl-nucleotide exchange factor activity nucleus|Ric1p-Rgp1p complex|Golgi membrane|guanyl-nucleotide exchange factor complex YGR029W ERV1 het FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0152840323170693 0.376294168350131 1389 Flavin-linked sulfhydryl oxidase of the mitochondrial intermembrane space (IMS), oxidizes Mia40p as part of a disulfide relay system that promotes IMS retention of imported proteins; ortholog of human hepatopoietin (ALR) cellular response to oxidative stress|cellular iron ion homeostasis|protein import into mitochondrial intermembrane space thiol oxidase activity|flavin-linked sulfhydryl oxidase activity mitochondrion|mitochondrial intermembrane space YJL170C ASG7 hom FT ENDOMEMBRANE SYSTEM|PLASMA MEMBRANE 0.0152263494951791 0.37809835288012 1390 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 YDR060W MAK21 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0152235363176227 0.378186478518522 1391 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 YCR026C NPP1 hom FT NUCLEOTIDE METABOLISM|RESPONSE TO NUTRIENT LEVELS 0.0152233191160342 0.378193283104218 1392 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 YHR061C GIC1 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0152104388880427 0.378596935227529 1393 Protein involved in initiation of budding and cellular polarization; interacts with Cdc42p via the Cdc42/Rac-interactive binding (CRIB) domain; relocalizes from bud neck to nucleus upon DNA replication stress regulation of exit from mitosis|establishment of cell polarity|axial cellular bud site selection|Rho protein signal transduction Rho GTPase binding|Rho GTPase activator activity incipient cellular bud site|actin cap|mating projection tip|cellular bud neck|cellular bud tip YMR105C PGM2 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0151941935864374 0.379462325292239 1394 Phosphoglucomutase; catalyzes the conversion from glucose-1-phosphate to glucose-6-phosphate, which is a key step in hexose metabolism; functions as the acceptor for a Glc-phosphotransferase; protein abundance increases in response to DNA replication stress glucose 6-phosphate metabolic process|cellular calcium ion homeostasis|galactose catabolic process|cellular cation homeostasis|glucose 1-phosphate metabolic process|trehalose biosynthetic process|UDP-glucose metabolic process|glycogen biosynthetic process phosphoglucomutase activity cytoplasm YIL002C INP51 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|CYTOSKELETON 0.015186630190683 0.379414905854459 1395 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 YEL042W GDA1 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0151764562560836 0.379663185117584 1396 Guanosine diphosphatase located in the Golgi, involved in the transport of GDP-mannose into the Golgi lumen by converting GDP to GMP after mannose is transferred its substrate protein glycosylation guanosine-diphosphatase activity|uridine-diphosphatase activity Golgi apparatus YKR078W YKR078W hom 0.0151621841179432 0.381322948870926 1397 Cytoplasmic protein of unknown function, has similarity to Vps5p; potential Cdc28p substrate; contains a Phox homology (PX) domain and specifically binds phosphatidylinositol 3-phosphate (PtdIns-3-P) biological_process phosphatidylinositol-3-phosphate binding cytoplasm YMR220W ERG8 het FT LIPID METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.0151507789808854 0.380470066362826 1398 Phosphomevalonate kinase, an essential cytosolic enzyme that acts in the biosynthesis of isoprenoids and sterols, including ergosterol, from mevalonate organic acid phosphorylation|ergosterol biosynthetic process|isopentenyl diphosphate biosynthetic process, mevalonate pathway|farnesyl diphosphate biosynthetic process, mevalonate pathway phosphomevalonate kinase activity nucleus|cytoplasm YDR143C SAN1 hom FT PROTEOLYSIS|NUCLEUS 0.0151385815455247 0.380853726529905 1399 Ubiquitin-protein ligase; involved in the proteasome-dependent degradation of aberrant nuclear proteins; targets substrates with regions of exposed hydrophobicity containing 5 or more contiguous hydrophobic residues; contains intrinsically disordered regions that contribute to substrate recognition nucleus-associated proteasomal ubiquitin-dependent protein catabolic process|protein ubiquitination involved in ubiquitin-dependent protein catabolic process|response to misfolded protein|response to stress ubiquitin-protein ligase activity nucleus|cytoplasm YKR028W SAP190 hom FT CELL CYCLE|RNA PROCESSING|SIGNALING 0.0151126194428951 0.38167113314277 1400 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 Sap185p; SAP190 has a paralog, SAP185, that arose from the whole genome duplication TOR signaling cascade|dephosphorylation|G1/S transition of mitotic cell cycle|tRNA wobble uridine modification molecular_function cytoplasm YMR034C_p YMR034C hom 0.015080818790859 0.382673828992801 1401 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 YOR050C_d YOR050C hom 0.0150774083811284 0.382781457223525 1402 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; null mutation is viable Unknown Unknown Unknown YML055W SPC2 hom FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0150744521169301 0.382874768195058 1403 Subunit of signal peptidase complex (Spc1p, Spc2p, Spc3p, Sec11p), which catalyzes cleavage of N-terminal signal sequences of proteins targeted to the secretory pathway; homologous to mammalian SPC25 signal peptide processing|protein targeting to ER peptidase activity signal peptidase complex YER044C-A MEI4 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.0150521815044776 0.3835781613626 1404 Meiosis-specific protein involved in double-strand break formation during meiotic recombination; required for chromosome synapsis and production of viable spores meiotic DNA double-strand break formation molecular_function condensed nuclear chromosome YPL114W_d YPL114W hom 0.0150251072291761 0.384434337357741 1405 Dubious open reading frame, unlikely to encode a functional protein; largely overlaps ORF YPL113C; diploid deletion in BY4743 strain background exhibits high budding index Unknown Unknown Unknown YCL058C FYV5 hom FT SIGNALING|ION HOMEOSTASIS|ION HOMEOSTASIS 0.0149918226197474 0.385559421229451 1406 Protein involved in regulation of the mating pathway; binds with Matalpha2p to promoters of haploid-specific genes; required for survival upon exposure to K1 killer toxin; involved in ion homeostasis pheromone-dependent signal transduction involved in conjugation with cellular fusion|cellular ion homeostasis molecular_function integral to membrane YER109C FLO8 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|NUCLEUS 0.0149905145484721 0.385529968325116 1407 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 YDR278C_d YDR278C hom 0.0149213087887217 0.387727592505571 1408 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL048C STP4 hom FT NUCLEUS|MITOCHONDRION 0.0149096166450949 0.388099627913438 1409 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 YOR132W VPS17 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM 0.0148708643145108 0.389334252053148 1410 Subunit of the membrane-associated retromer complex essential for endosome-to-Golgi retrograde protein transport; peripheral membrane protein that assembles onto the membrane with Vps5p to promote vesicle formation; required for recruiting the retromer complex to the endosome membranes retrograde transport, endosome to Golgi protein transporter activity|phosphatidylinositol-3-phosphate binding endosome|retromer complex, outer shell|retromer complex YBL052C SAS3 hom FT CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0148503483599094 0.3902011378022 1411 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 YKL009W MRT4 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0148121692617527 0.391279479574468 1412 Protein involved in mRNA turnover and ribosome assembly, localizes to the nucleolus nuclear-transcribed mRNA catabolic process|ribosomal large subunit assembly|ribosomal large subunit biogenesis|rRNA processing LSU rRNA binding nucleoplasm|nucleolus|nucleus|preribosome, large subunit precursor YIL029C_p YIL029C hom 0.0147891386302256 0.391945798015036 1413 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 YML083C YML083C hom 0.0147799648050577 0.392239609463933 1414 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 YPL208W RKM1 hom FT NUCLEUS 0.014745651918143 0.393410349807502 1415 SET-domain lysine-N-methyltransferase, catalyzes the formation of dimethyllysine residues on the large ribsomal subunit proteins L23a (Rpl23Ap and Rpl23Bp) and L18 (Rps18Ap and Rps18Bp) peptidyl-lysine dimethylation protein-lysine N-methyltransferase activity nucleus|cytoplasm YOL107W_p YOL107W hom FT ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0147373256557776 0.393606971349356 1416 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 YHR105W YPT35 hom 0.014734015225141 0.393713251547461 1417 Endosomal protein of unknown function that contains a phox (PX) homology domain and binds to both phosphatidylinositol-3-phosphate (PtdIns(3)P) and proteins involved in ER-Golgi or vesicular transport biological_process phosphatidylinositol-3-phosphate binding endosome YDL001W RMD1 hom FT CELL CYCLE 0.0147301195077191 0.393838344412608 1418 Cytoplasmic protein required for sporulation biological_process molecular_function cytoplasm YLR175W CBF5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|CELL DIVISION|NUCLEUS|CHROMOSOME|CYTOSKELETON 0.0147191210313291 0.394191639160495 1419 Pseudouridine synthase catalytic subunit of box H/ACA small nucleolar ribonucleoprotein particles (snoRNPs), acts on both large and small rRNAs and on snRNA U2; mutations in human ortholog dyskerin cause the disorder dyskeratosis congenita box H/ACA snoRNA 3'-end processing|rRNA pseudouridine synthesis|rRNA processing|snRNA pseudouridine synthesis pseudouridine synthase activity box H/ACA snoRNP complex|nucleolus|90S preribosome YMR060C SAM37 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.0146939352572239 0.39500138226982 1420 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 YOR179C SYC1 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0146921129845277 0.395060008789828 1421 Subunit of the APT subcomplex of cleavage and polyadenylation factor; may have a role in 3' end formation of both polyadenylated and non-polyadenylated RNAs; SYC1 has a paralog, YSH1, that arose from the whole genome duplication termination of RNA polymerase II transcription, exosome-dependent|termination of RNA polymerase II transcription, poly(A)-coupled RNA binding mRNA cleavage and polyadenylation specificity factor complex|nucleus YAL017W PSK1 hom FT SIGNALING|TRANSLATION|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.014685097572014 0.395285759122155 1422 PAS domain-containing serine/threonine protein kinase; coordinately regulates protein synthesis and carbohydrate metabolism and storage in response to a unknown metabolite that reflects nutritional status; PSK1 has a paralog, PSK2, that arose from the whole genome duplication regulation of (1->6)-beta-D-glucan biosynthetic process|negative regulation of glycogen biosynthetic process|protein phosphorylation protein serine/threonine kinase activity|protein kinase activity cytoplasm YBR151W APD1 hom FT NUCLEUS 0.0146630872063878 0.3959945406654 1423 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 YEL001C IRC22 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0146537349140125 0.39629593688542 1424 Putative protein of unknown function; green fluorescent protein (GFP)-fusion localizes to the ER; YEL001C is non-essential; null mutant displays increased levels of spontaneous Rad52p foci biological_process molecular_function endoplasmic reticulum YGL249W ZIP2 hom FT CELL CYCLE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0146328701410681 0.396968844432542 1425 Meiosis-specific protein; involved in normal synaptonemal complex formation and pairing between homologous chromosomes during meiosis; relocalizes from mitochondrion to cytoplasm upon DNA replication stress synaptonemal complex assembly|synapsis|reciprocal meiotic recombination molecular_function synaptonemal complex YPL031C PHO85 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CELL CYCLE|SIGNALING|RESPONSE TO DNA DAMAGE|CELL WALL ORG/BIOGENESIS|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|GEN. OF PRECURSOR METABOLITES A 0.0146161966801738 0.397507073400207 1426 Cyclin-dependent kinase, with ten cyclin partners; involved in regulating the cellular response to nutrient levels and environmental conditions and progression through the cell cycle regulation of transcription involved in G1/S phase of mitotic cell cycle|negative regulation of calcium-mediated signaling|regulation of protein stability|regulation of protein localization|protein phosphorylation|response to DNA damage stimulus|negative regulation of phosphate metabolic process|fungal-type cell wall organization|regulation of establishment or maintenance of cell polarity|negative regulation of glycogen biosynthetic process|negative regulation of transcription from RNA polymerase II promoter|negative regulation of sequence-specific DNA binding transcription factor activity|positive regulation of macroautophagy|negative regulation of macroautophagy protein kinase activity|cyclin-dependent protein kinase activity cyclin-dependent protein kinase holoenzyme complex|nucleus YHR080C YHR080C hom FT MITOCHONDRION 0.0146142632490236 0.397639951996167 1427 Protein of unknown function; may interact with ribosomes, based on co-purification experiments; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; YHR080C has a paralog, YSP2, that arose from the whole genome duplication biological_process molecular_function mitochondrion|ribosome YLR192C HCR1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION 0.0145927608333603 0.39826433918259 1428 Dual function protein involved in translation initiation as a substoichiometric component (eIF3j) of translation initiation factor 3 (eIF3) and required for processing of 20S pre-rRNA; binds to eIF3 subunits Rpg1p and Prt1p and 18S rRNA cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) translation initiation factor activity eukaryotic translation initiation factor 3 complex YOR300W_d YOR300W hom 0.014572191251425 0.398929704667091 1429 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 YOR165W SEY1 hom FT MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0145525793129118 0.399564715653439 1430 Dynamin-like GTPase that mediates homotypic ER fusion; has a role in ER morphology; interacts physically and genetically with Yop1p and Rtn1p; functional ortholog of the human atlastin ATL1, defects in which cause a form of the human disease hereditary spastic paraplegia; homolog of Arabidopsis RHD3 cellular membrane organization|endoplasmic reticulum organization|endoplasmic reticulum membrane fusion|endoplasmic reticulum inheritance GTPase activity integral to membrane|endoplasmic reticulum|cortical endoplasmic reticulum|cytoplasm YER124C DSE1 hom FT CELL CYCLE|SIGNALING|CELL WALL ORG/BIOGENESIS|CELL DIVISION|SITE OF POLARIZED GROWTH 0.0145500391771539 0.399647006627903 1431 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 YJR073C OPI3 hom FF|FT LIPID METABOLISM|MITOCHONDRION 0.0145481439130798 0.400060322555465 1432 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 YPL179W PPQ1 hom FT TRANSLATION 0.0145061410245354 0.401070752942364 1433 Putative protein serine/threonine phosphatase; null mutation enhances efficiency of translational suppressors protein dephosphorylation|regulation of translation protein serine/threonine phosphatase activity cytoplasm YDR511W ACN9 hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM|MITOCHONDRION 0.0144953948076483 0.401771281952372 1434 Protein of the mitochondrial intermembrane space, required for acetate utilization and gluconeogenesis; has orthologs in higher eukaryotes carbon utilization|regulation of gluconeogenesis molecular_function mitochondrion|mitochondrial intermembrane space YER087C-A_d YER087C-A hom 0.0144908182162765 0.401568432659739 1435 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data; overlaps the uncharacterized gene YER087W, a putative tRNA synthetase Unknown Unknown Unknown YBR180W DTR1 hom FT CELL WALL ORG/BIOGENESIS 0.0144879300972087 0.401662279285575 1436 Putative dityrosine transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; required for spore wall synthesis; expressed during sporulation ascospore wall assembly|amine transport|transmembrane transport amine transmembrane transporter activity integral to membrane|prospore membrane YGL109W_d YGL109W hom 0.0144865296660005 0.401707789674195 1437 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the uncharacterized gene YGL108C Unknown Unknown Unknown YDL039C PRM7 hom 0.0144802046442064 0.401913375035255 1438 Pheromone-regulated protein, predicted to have one transmembrane segment; promoter contains Gcn4p binding elements conjugation with cellular fusion molecular_function integral to membrane YPL248C GAL4 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0144613141941772 0.402527756331448 1439 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 YHR131C_p YHR131C hom 0.0144587941709749 0.403031335188478 1440 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 YGL082W_p YGL082W hom FT NUCLEUS 0.014446042356046 0.403095058901111 1441 Putative protein of unknown function; predicted prenylation/proteolysis target of Afc1p and Rce1p; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus; YGL082W is not an essential gene biological_process molecular_function nucleus|plasma membrane|cytoplasm YOR192C THI72 hom 0.0144410748811586 0.40346750746038 1442 Transporter of thiamine or related compound; shares sequence similarity with Thi7p thiamine transport transporter activity integral to membrane|membrane YER155C BEM2 hom FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|MITOCHONDRION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.014440167728638 0.403216178099754 1443 Rho GTPase activating protein (RhoGAP) involved in the control of cytoskeleton organization and cellular morphogenesis; required for bud emergence negative regulation of Rho protein signal transduction|fungal-type cell wall organization|establishment of cell polarity|actin cytoskeleton organization Rho GTPase activator activity cell cortex|incipient cellular bud site|mitochondrion|plasma membrane|mating projection tip|cytoplasm|cellular bud tip YML082W_p YML082W hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0144315214010343 0.403497861655364 1444 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 YJR055W HIT1 hom FT NUCLEUS 0.0144249924448395 0.403710642665403 1445 Protein of unknown function, required for growth at high temperature biological_process molecular_function nucleus|cytoplasm YBR182C SMP1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0143951175067428 0.404685133861293 1446 Putative transcription factor of the MADS-box family; involved in regulating the response to osmotic stress; SMP1 has a paralog, RLM1, that arose from the whole genome duplication positive regulation of transcription from RNA polymerase II promoter in response to osmotic stress DNA binding, bending|sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus|cytoplasm YIL137C TMA108 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|PROTEOLYSIS 0.0143818133948087 0.405470253218698 1447 Protein that associates with ribosomes and is involved in ribosome biogenesis; putative metalloprotease ribosome biogenesis molecular_function ribosome|cytoplasm YNL263C YIF1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.014378078266917 0.405241566331647 1448 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 YNL172W APC1 het FT CELL CYCLE|CELL DIVISION|PROTEOLYSIS|NUCLEUS|CYTOSKELETON|UBIQUITIN LIGASE COMPLEX 0.0143617439468675 0.405775407847273 1449 Largest subunit of the Anaphase-Promoting Complex/Cyclosome; APC/C is a ubiquitin-protein ligase required for degradation of anaphase inhibitors, including mitotic cyclins, during the metaphase/anaphase transition; component of the platform domain of the APC/C, based on structural analysis; localizes to nuclear foci that become diffuse upon DNA replication stress mitotic metaphase/anaphase transition|anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process|exit from mitosis|cyclin catabolic process|protein ubiquitination ubiquitin-protein ligase activity anaphase-promoting complex YBR149W ARA1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM 0.0143434788734801 0.406372847619786 1450 NADP+ dependent arabinose dehydrogenase, involved in carbohydrate metabolism; purified as homodimer; naturally occurs with a N-terminus degradation product cellular carbohydrate metabolic process alditol:NADP+ 1-oxidoreductase activity|D-arabinose 1-dehydrogenase [NAD(P)+] activity cytosol YMR194C-A_d YMR194C-A hom 0.0143205805144822 0.407122580388608 1451 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL153C RAD53 het FT PROTEIN LOCALIZATION|CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEOTIDE METABOLISM|PROTEIN PHOSPHORYLATION|NUCLEUS 0.014312214158641 0.407396715222128 1452 Protein kinase, required for cell-cycle arrest in response to DNA damage; activated by trans autophosphorylation when interacting with hyperphosphorylated Rad9p; also interacts with ARS1 and plays a role in initiation of DNA replication DNA repair|protein localization|protein phosphorylation|nucleobase-containing compound metabolic process|DNA damage checkpoint|DNA replication initiation|deoxyribonucleoside triphosphate biosynthetic process protein serine/threonine/tyrosine kinase activity|DNA replication origin binding|protein kinase activity nucleus YDR020C_p DAS2 hom FT NUCLEOTIDE METABOLISM|NUCLEUS 0.014300363817699 0.407785195687684 1453 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 YPR088C SRP54 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS 0.0142992184689602 0.407822754451309 1454 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 YCR099C_p YCR099C hom 0.0142971674084476 0.40789001884999 1455 Putative protein of unknown function biological_process molecular_function integral to membrane YJR058C APS2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|PLASMA MEMBRANE 0.0142870174902416 0.408222982018731 1456 Small subunit of the clathrin-associated adaptor complex AP-2, which is involved in protein sorting at the plasma membrane; related to the sigma subunit of the mammalian plasma membrane clathrin-associated protein (AP-2) complex vesicle-mediated transport molecular_function AP-2 adaptor complex YKR037C SPC34 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.0142695353167934 0.409567086805984 1457 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 YPL101W ELP4 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.0142353219041285 0.409921340245599 1458 Subunit of hexameric RecA-like ATPase Elp456 Elongator subcomplex; which is required for modification of wobble nucleosides in tRNA; required for Elongator structural integrity regulation of transcription from RNA polymerase II promoter|tRNA wobble uridine modification ATPase activity|tRNA binding Elongator holoenzyme complex|cytoplasm YKR017C HEL1 hom 0.014207179707329 0.410847659906057 1459 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 YPL113C_p YPL113C hom FT OXIDATION-REDUCTION PROCESS 0.0141922344177745 0.411340099082902 1460 Glyoxylate reductase; acts on glyoxylate and hydroxypyruvate substrates; YPL113C is not an essential gene metabolic process oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor cellular_component YPL159C PET20 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0141846608577362 0.411589777402159 1461 Mitochondrial protein, required for respiratory growth under some conditions and for stability of the mitochondrial genome aerobic respiration molecular_function mitochondrion YIR015W RPR2 het FT RNA PROCESSING|NUCLEUS 0.0141832753242077 0.411635464150192 1462 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 YNL083W SAL1 hom FT MITOCHONDRION 0.0141609946526626 0.412789388928779 1463 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 YLR299W ECM38 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0141502324871902 0.412865417684082 1464 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 YDR439W LRS4 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME|KINETOCHORE 0.014149492762639 0.412750344769705 1465 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 YDR229W IVY1 hom FT MEMBRANE ORGANIZATION 0.0141158194363095 0.413863398325681 1466 Phospholipid-binding protein that interacts with both Ypt7p and Vps33p, may partially counteract the action of Vps33p and vice versa, localizes to the rim of the vacuole as cells approach stationary phase vacuole fusion, non-autophagic phospholipid binding fungal-type vacuole membrane YPL087W YDC1 hom FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0141006903719086 0.414364058875799 1467 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 YML054C CYB2 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.0140857852299343 0.414857659230195 1468 Cytochrome b2 (L-lactate cytochrome-c oxidoreductase), component of the mitochondrial intermembrane space, required for lactate utilization; expression is repressed by glucose and anaerobic conditions lactate metabolic process L-lactate dehydrogenase (cytochrome) activity mitochondrion|mitochondrial intermembrane space YCL061C MRC1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0140814677569091 0.415000702018329 1469 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 YGR256W GND2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS 0.0140586166344924 0.41575827075087 1470 6-phosphogluconate dehydrogenase (decarboxylating); catalyzes an NADPH regenerating reaction in the pentose phosphate pathway; required for growth on D-glucono-delta-lactone; GND2 has a paralog, GND1, that arose from the whole genome duplication pentose-phosphate shunt, oxidative branch phosphogluconate dehydrogenase (decarboxylating) activity cytosol|plasma membrane YJR012C_p YJR012C het 0.0140582775314857 0.415769518960191 1471 Essential protein of unknown function; proposed involvement in transport based on mass spectrometry analysis of copurifying proteins; partially overlaps neighboring ORF, GPI14/YJR013W biological_process molecular_function cellular_component YDL199C_p YDL199C hom 0.014049932470989 0.416255170737705 1472 Putative transporter, member of the sugar porter family transport|transmembrane transport substrate-specific transmembrane transporter activity integral to membrane|membrane YOR348C PUT4 hom FT PLASMA MEMBRANE 0.0140243866154096 0.416894602694598 1473 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 YPR119W CLB2 hom FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0140044489675763 0.417557314505679 1474 B-type cyclin involved in cell cycle progression; activates Cdc28p to promote the transition from G2 to M phase; accumulates during G2 and M, then targeted via a destruction box motif for ubiquitin-mediated degradation by the proteasome G2/M transition 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|cellular bud neck|spindle|cytoplasm YER159C BUR6 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0139853893997805 0.418191419372448 1475 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 YMR207C HFA1 hom FT KETONE METABOLISM|LIPID METABOLISM|MITOCHONDRION 0.0139716571235818 0.418648638277805 1476 Mitochondrial acetyl-coenzyme A carboxylase; catalyzes the production of malonyl-CoA in mitochondrial fatty acid biosynthesis; relocalizes from mitochondrion to cytoplasm upon DNA replication stress fatty acid biosynthetic process acetyl-CoA carboxylase activity mitochondrion YDR090C_p YDR090C hom FT PLASMA MEMBRANE 0.0139692735306688 0.418728030425485 1477 Putative protein of unknown function biological_process molecular_function integral to membrane YMR263W SAP30 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0139022000321479 0.421035051467322 1478 Subunit of a histone deacetylase complex, along with Rpd3p and Sin3p, that is involved in silencing at telomeres, rDNA, and silent mating-type loci; involved in telomere maintenance positive regulation of transcription from RNA polymerase II promoter in response to heat stress|negative regulation of chromatin silencing at silent mating-type cassette|negative regulation of transcription from RNA polymerase I promoter|negative regulation of chromatin silencing at telomere|negative regulation of chromatin silencing at rDNA|positive regulation of transcription from RNA polymerase II promoter histone deacetylase activity histone deacetylase complex|Rpd3L-Expanded complex|Rpd3L complex YBL095W_p YBL095W hom FT MITOCHONDRION 0.0138896859998057 0.421383993929408 1479 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 YMR316W DIA1 hom 0.0138708786598207 0.422013065030762 1480 Protein of unknown function, involved in invasive and pseudohyphal growth; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern pseudohyphal growth|invasive growth in response to glucose limitation molecular_function cytoplasm YLR248W RCK2 hom FT CELL CYCLE|SIGNALING|PROTEIN PHOSPHORYLATION|RESPONSE TO OXIDATIVE STRESS 0.0138638474076859 0.422248388793362 1481 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 YCR094W CDC50 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|GOLGI APPARATUS 0.0138597607959505 0.422731611332985 1482 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 YOR047C STD1 hom FT TRANSCRIPTION FROM RNA POL II|SIGNALING|CARBOHYDRATE METABOLISM|NUCLEUS|PLASMA MEMBRANE 0.0138584922167152 0.422427669264594 1483 Protein involved in control of glucose-regulated gene expression; interacts with kinase Snf1p, glucose sensors Snf3p and Rgt2p, TATA-binding Spt15p; regulator of transcription factor Rgt1p; interactions with Pma1p appear to propagate [GAR+] response to salt stress|signal transduction|nicotinamide riboside biosynthetic process|glucose metabolic process|nicotinic acid riboside biosynthetic process|regulation of transcription from RNA polymerase II promoter protein kinase activator activity plasma membrane|nucleus YOR277C_d YOR277C hom 0.0138482672408609 0.422770103635309 1484 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; almost completely overlaps the verified gene CAF20 Unknown Unknown Unknown YER048C CAJ1 hom FT NUCLEUS 0.0138412888842781 0.423003902022887 1485 Nuclear type II J heat shock protein of the E. coli dnaJ family, contains a leucine zipper-like motif, binds to non-native substrates for presentation to Ssa3p, may function during protein translocation, assembly and disassembly protein folding chaperone binding nucleus YJL127C SPT10 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS 0.013823170169713 0.423611293019125 1486 Putative histone acetylase with a role in transcriptional silencing, sequence-specific activator of histone genes, binds specifically and cooperatively to pairs of UAS elements in core histone promoters, functions at or near the TATA box DNA repair|negative regulation of transcription from RNA polymerase II promoter|chromatin silencing at rDNA|chromatin remodeling|chromatin silencing at telomere|chromatin silencing at silent mating-type cassette histone acetyltransferase activity|sequence-specific DNA binding nucleus YNL129W NRK1 hom FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM 0.0137891826241698 0.424959444096401 1487 Nicotinamide riboside kinase, catalyzes the phosphorylation of nicotinamide riboside and nicotinic acid riboside in salvage pathways for NAD+ biosynthesis nicotinamide riboside metabolic process|NAD biosynthesis via nicotinamide riboside salvage pathway|NAD biosynthetic process nicotinic acid riboside kinase activity|ribosylnicotinamide kinase activity cytoplasm YGR158C MTR3 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0137787156093065 0.425103695948795 1488 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 hMtr3p (EXOSC6) nuclear mRNA surveillance|nuclear polyadenylation-dependent CUT catabolic process|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|U4 snRNA 3'-end processing|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 molecular_function nucleolus|nuclear exosome (RNase complex)|cytoplasmic exosome (RNase complex) YMR280C CAT8 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|CARBOHYDRATE METABOLISM|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.0137480122850545 0.426136240087399 1489 Zinc cluster transcriptional activator; necessary for derepression of a variety of genes under non-fermentative growth conditions, active after diauxic shift, binds carbon source responsive elements; relative distribution to the nucleus increases upon DNA replication stress positive regulation of transcription from RNA polymerase II promoter by a nonfermentable carbon source|positive regulation of gluconeogenesis by positive regulation of transcription from RNA polymerase II promoter|positive regulation of glyoxylate cycle 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 YPR154W PIN3 hom FT CYTOSKELETON ORGANIZATION|NUCLEUS 0.0137470122957601 0.426169894018114 1490 Protein that induces appearance of [PIN+] prion when overproduced actin cytoskeleton organization molecular_function nucleus|cytoplasm YBR089C-A NHP6B hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0137185271112039 0.427129193350499 1491 High-mobility group (HMG) protein, binds to and remodels nucleosomes; involved in recruiting FACT and other chromatin remodelling complexes to the chromosomes; functionally redundant with Nhp6Ap; homologous to mammalian HMGB1 and HMGB2; NHP6B has a paralog, NHP6A, that arose from the whole genome duplication RNA polymerase III transcriptional preinitiation complex assembly|chromatin remodeling|transcription from RNA polymerase II promoter nucleosome binding|DNA binding, bending|sequence-specific DNA binding nucleus YDR403W DIT1 hom FT CELL WALL ORG/BIOGENESIS 0.0136583430445819 0.429366838754955 1492 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 YMR019W STB4 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0136386769209071 0.429825013591166 1493 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 YNL324W_d YNL324W hom 0.0136327794278281 0.430024509663397 1494 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YML024W RPS17A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0136135059188847 0.430676854493484 1495 Ribosomal protein 51 (rp51) of the small (40s) subunit; homologous to mammalian ribosomal protein S17, no bacterial homolog; RPS17A has a paralog, RPS17B, that arose from the whole genome duplication cytoplasmic translation|ribosomal small subunit assembly structural constituent of ribosome cytosolic small ribosomal subunit YGR214W RPS0A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.0135991164217324 0.431439430520629 1496 Ribosomal 40S subunit protein S0A; required for maturation of 18S rRNA along with Rps0Bp; deletion of either RPS0 gene reduces growth rate, deletion of both genes is lethal; homologous to human ribosomal protein SA and bacterial S2; RPS0A has a paralog, RPS0B, 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)|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|90S preribosome YER055C HIS1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0135611659623686 0.432451282643825 1497 ATP phosphoribosyltransferase, a hexameric enzyme, catalyzes the first step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts; transcription is regulated by general amino acid control histidine biosynthetic process ATP phosphoribosyltransferase activity cellular_component YJR100C AIM25 hom FT MITOCHONDRION 0.013553655220374 0.432981070805239 1498 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 YGL178W MPT5 hom FT TRANSLATION 0.0135156307714725 0.434135675789287 1499 mRNA-binding protein of the PUF family; binds to the 3' UTR of specific mRNAs, including those involved in mating type switching, cell wall integrity, chronological lifespan, chromatin modification, and spindle pole body architecture; recruits the CCR4-NOT deadenylase complex to mRNAs along with Dhh1p and Dcp1p to promote deadenylation, decapping, and decay; also interacts with the Caf20p translational initiation repressor, affecting its mRNA target specificity negative regulation of translation|negative regulation of translational initiation|Unknown mRNA binding|protein binding, bridging cytoplasm YNL190W_p YNL190W hom 0.0134701529366855 0.435546858748897 1500 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 YER046W-A_d YER046W-A hom 0.0134628619182834 0.435795395698952 1501 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL109C SEC24 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.01346125275637 0.435987268115588 1502 Component of the Sec23p-Sec24p heterodimer of the COPII vesicle coat, required for cargo selection during vesicle formation in ER to Golgi transport; homologous to Sfb2p and Sfb3p cargo loading into COPII-coated vesicle signal sequence binding COPII vesicle coat YIR018C-A_p YIR018C-A hom 0.0134247621517117 0.437095473306947 1503 Putative protein of unknown function; identified by expression profiling and mass spectrometry biological_process molecular_function cellular_component YIL019W FAF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0134236114249291 0.437203194431196 1504 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 YPL167C REV3 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION|CHROMOSOME 0.0134108072568068 0.437572213847996 1505 Catalytic subunit of DNA polymerase zeta, involved in translesion synthesis during post-replication repair; required for mutagenesis induced by DNA damage; involved in double-strand break repair error-prone translesion synthesis|error-free translesion synthesis DNA-directed DNA polymerase activity nuclear chromatin|mitochondrion|zeta DNA polymerase complex YOR384W FRE5 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION|PLASMA MEMBRANE 0.0133967301821008 0.438053431296207 1506 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 YER066C-A_d YER066C-A hom 0.0133356862631376 0.440211942892153 1507 Dubious open reading frame unlikely to encode a protein, partially overlaps uncharacterized ORF YER067W Unknown Unknown Unknown YNL231C PDR16 hom FF|FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0133328850227457 0.44051279598954 1508 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 YFR054C_d YFR054C hom 0.0133306005582736 0.440318105283076 1509 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPR034W ARP7 het FF|FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|NUCLEUS|RSC COMPLEX 0.0133296895997225 0.44034934874784 1510 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 YMR187C_p YMR187C hom 0.0133174139109769 0.440770496279586 1511 Putative protein of unknown function; YMR187C is not an essential gene biological_process molecular_function integral to membrane YDL191W RPL35A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0133020196522863 0.441298960000909 1512 Ribosomal 60S subunit protein L35A; homologous to mammalian ribosomal protein L35 and bacterial L29; RPL35A has a paralog, RPL35B, that arose from the whole genome duplication cytoplasmic translation|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome cytosolic large ribosomal subunit|preribosome, large subunit precursor YOR066W MSA1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.0132957760352949 0.441513398147903 1513 Activator of G1-specific transcription factors, MBF and SBF; involved in regulation of the timing of G1-specific gene transcription and cell cycle initiation; localization is cell-cycle dependent and regulated by Cdc28p phosphorylation G1/S transition of mitotic cell cycle|regulation of transcription involved in G1 phase of mitotic cell cycle|regulation of cell size molecular_function nucleus|cytoplasm YKL049C CSE4 het FT CELL CYCLE|CHROMATIN ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0132848353603613 0.441889301392828 1514 Centromere protein that resembles histone H3; required for proper kinetochore function; homolog of human CENP-A; levels are regulated by E3 ubiquitin ligase Psh1p; Cse4p marks a subset of open chromatin; associated with promoters, accessible chromatin and RNA polymerase II-bound regions 2-micrometer plasmid partitioning|mitotic sister chromatid segregation sequence-specific DNA binding|centromeric DNA binding extrachromosomal circular DNA|nuclear nucleosome|condensed nuclear chromosome, centromeric region|centromere-specific nucleosome|kinetochore YKL100C_p YKL100C hom FT PROTEOLYSIS 0.0132732328612945 0.442288143800266 1515 Putative protein of unknown function with similarity to a human minor histocompatibility antigen and signal peptide peptidases; YKL100C is not an essential gene biological_process molecular_function integral to membrane YJL153C INO1 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM 0.0132538268986095 0.443432518858883 1516 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 YGL154C LYS5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0132535526779325 0.442965131672688 1517 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 YHR062C RPP1 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0132519316659839 0.445275633884281 1518 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 YBR159W IFA38 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0132418304526481 0.443368651225473 1519 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 YER057C HMF1 hom FT NUCLEUS 0.0132410394800423 0.443395886798156 1520 Member of the p14.5 protein family with similarity to Mmf1p, functionally complements Mmf1p function when targeted to mitochondria; heat shock inducible; high-dosage growth inhibitor; forms a homotrimer in vitro biological_process molecular_function cytosol|nucleus|cytoplasm YBR257W POP4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0132391280670963 0.443461706455646 1521 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 YOL062C APM4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|PLASMA MEMBRANE 0.0132269086513489 0.443950627048681 1522 Mu2-like subunit of the clathrin associated protein complex (AP-2); involved in vesicle transport intracellular protein transport|vesicle-mediated transport molecular_function AP-2 adaptor complex YHL015W RPS20 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.013216896978789 0.444227645481258 1523 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 YLR186W EMG1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|CYTOSKELETON 0.0132092152305654 0.444492484027659 1524 Methyltransferase for rRNA; catalyzes methylation of the pseudouridine residue 1191 of 18S rRNA; member of the SPOUT methyltransferase family; required for maturation of 18S rRNA and for 40S ribosomal subunit production independently of methyltransferase activity; forms homodimers; human ortholog is mutated in Bowen-Conradi syndrome, and the equivalent mutation in yeast affects Emg1p dimerization and localization but not its methyltransferase activity 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|endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|rRNA base methylation|endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|rRNA processing rRNA (pseudouridine) methyltransferase activity small-subunit processome|nucleolus|nucleus|nuclear microtubule|cytoplasm|90S preribosome YDR445C_d YDR445C hom 0.0131616298090166 0.446135060450097 1525 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIL062C ARC15 het FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION|MITOCHONDRION|CYTOSKELETON 0.013125824097826 0.447373293769564 1526 Subunit of the ARP2/3 complex, which is required for the motility and integrity of cortical actin patches; has mRNA binding activity mitochondrion inheritance|actin cortical patch assembly mRNA binding|structural molecule activity Arp2/3 protein complex|extrinsic to mitochondrial outer membrane YOR026W BUB3 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0131152205477385 0.44780813137735 1527 Kinetochore checkpoint WD40 repeat protein that localizes to kinetochores during prophase and metaphase, delays anaphase in the presence of unattached kinetochores; forms complexes with Mad1p-Bub1p and with Cdc20p, binds Mad2p and Mad3p mitotic cell cycle G2/M transition decatenation checkpoint|mitotic cell cycle spindle assembly checkpoint ubiquitin binding mitotic checkpoint complex|condensed nuclear chromosome kinetochore YKL089W MIF2 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0131024646991844 0.448182160266177 1528 Protein required for structural integrity of elongating spindles; localizes to the kinetochore; interacts with histones H2A, H2B, and H4; phosphorylated by Ipl1p; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-C and fission yeast cnp3 chromosome segregation|mitotic spindle organization in nucleus centromeric DNA binding condensed nuclear chromosome, centromeric region|condensed nuclear chromosome inner kinetochore YML025C YML6 het FT TRANSLATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.0130960415264013 0.44847245007161 1529 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 YHR035W_p YHR035W hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM 0.0130852408148482 0.448779103595507 1530 Putative protein of unknown function; not an essential gene biological_process molecular_function cellular_component YHR079C-A SAE3 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0130844448332017 0.448806701532811 1531 Meiosis specific protein involved in DMC1-dependent meiotic recombination, forms heterodimer with Mei5p; proposed to be an assembly factor for Dmc1p double-strand break repair|reciprocal meiotic recombination|meiotic DNA recombinase assembly molecular_function condensed nuclear chromosome YLR433C CNA1 hom FT SIGNALING|ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|ION HOMEOSTASIS 0.0130773968089304 0.450339903457016 1532 Calcineurin A; one isoform (the other is CMP2) 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|fungal-type cell wall organization|cellular ion homeostasis calcium-dependent protein serine/threonine phosphatase activity calcineurin complex|cytoplasm YDL062W_d YDL062W hom 0.01307584847433 0.449104812174117 1533 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 YLR098C CHA4 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0130750046316742 0.449134081600714 1534 DNA binding transcriptional activator, mediates serine/threonine activation of the catabolic L-serine (L-threonine) deaminase (CHA1); Zinc-finger protein with Zn[2]-Cys[6] fungal-type binuclear cluster domain positive regulation of transcription, DNA-dependent|cellular amino acid catabolic process sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YCL043C PDI1 het FT ENDOPLASMIC RETICULUM 0.0130472773932667 0.450096426858616 1535 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 YLR164W SHH4 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0130362846369812 0.450478281855888 1536 Mitochondrial inner membrane protein of unknown function; similar to Tim18p and Sdh4p; a fraction copurifies with Sdh3p, but Shh4p is neither a stoichiometric subunit of succinate dehydrogenase nor of the TIM22 translocase; expression induced by nitrogen limitation in a GLN3, GAT1-dependent manner biological_process molecular_function mitochondrion|mitochondrial inner membrane YNL042W-B_p YNL042W-B hom 0.0130354698474136 0.450506592472082 1537 Putative protein of unknown function biological_process molecular_function cellular_component YGL008C PMA1 het FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION|PLASMA MEMBRANE 0.0130126759925579 0.451298994128271 1538 Plasma membrane H+-ATPase, pumps protons out of the cell; major regulator of cytoplasmic pH and plasma membrane potential; P2-type ATPase; Hsp30p plays a role in Pma1p regulation; interactions with Std1p appear to propagate [GAR+] proton transport|regulation of pH|transmembrane transport hydrogen-exporting ATPase activity, phosphorylative mechanism mitochondrion|integral to membrane|membrane raft|plasma membrane YDR146C SWI5 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|NUCLEUS 0.0130052666926614 0.451556739414777 1539 Transcription factor that recruits Mediator and Swi/Snf complexes; activates transcription of genes expressed at the M/G1 phase boundary and in G1 phase; required for expression of the HO gene controlling mating type switching; localization to nucleus occurs during G1 and appears to be regulated by phosphorylation by Cdc28p kinase; SWI5 has a paralog, ACE2, that arose from the whole genome duplication positive regulation of mating type switching|regulation of transcription involved in G1 phase of mitotic cell cycle|positive regulation of transcription on exit from mitosis, from RNA polymerase II promoter RNA polymerase II distal enhancer sequence-specific DNA binding|sequence-specific DNA binding|sequence-specific transcription regulatory region DNA binding RNA polymerase II transcription factor recruiting transcription factor activity|mediator complex binding nucleus|cytoplasm YIL114C POR2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0129991362374569 0.451770060784169 1540 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 YNR032W PPG1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0129935826198511 0.451963359107022 1541 Putative serine/threonine protein phosphatase of the type 2A-like phosphatase family, required for glycogen accumulation; interacts with Tap42p, which binds to and regulates other protein phosphatases glycogen metabolic process|protein dephosphorylation protein serine/threonine phosphatase activity nucleus|cytoplasm YDL092W SRP14 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|NUCLEUS 0.0129925486755552 0.451999351566039 1542 Signal recognition particle (SRP) subunit, interacts with the RNA component of SRP to form the Alu domain, which is the region of SRP responsible for arrest of nascent chain elongation during membrane targeting; homolog of mammalian SRP14 SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition|protein targeting to ER signal sequence binding signal recognition particle, endoplasmic reticulum targeting YKL083W_d YKL083W het 0.0129647131336577 0.452968938415393 1543 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; partially overlaps the verified essential gene RRP14 Unknown Unknown Unknown YIL102C_p YIL102C hom 0.0129603102024355 0.453122411809994 1544 Putative protein of unknown function biological_process molecular_function cellular_component YFR006W_p YFR006W hom 0.0129432137852846 0.453718621340329 1545 Putative X-Pro aminopeptidase; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YFR006W is not an essential gene biological_process molecular_function cytoplasm YJR095W SFC1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|MITOCHONDRION 0.0129143755897932 0.454994682515465 1546 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 YJL082W IML2 hom FT NUCLEUS|MITOCHONDRION 0.0128422254734375 0.45731658558348 1547 Protein of unknown function; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies; protein abundance increases in response to DNA replication stress; IML2 has a paralog, YKR018C, that arose from the whole genome duplication biological_process molecular_function mitochondrial outer membrane|mitochondrion|nucleus|cytoplasm YGR161W-C_p YGR161W-C hom 0.0128093634801349 0.45840169013903 1548 Putative protein of unknown function; identified by sequence comparison with hemiascomycetous yeast species biological_process molecular_function cellular_component YLL052C AQY2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0127759460154976 0.459575091489271 1549 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 YNL045W LAP2 hom FT KETONE METABOLISM|LIPID METABOLISM|PROTEOLYSIS|NUCLEUS 0.0127655801936535 0.459939412229028 1550 Leucyl aminopeptidase yscIV (leukotriene A4 hydrolase) with epoxide hydrolase activity, metalloenzyme containing one zinc atom; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and nucleus cellular lipid metabolic process|protein catabolic process aminopeptidase activity|leukotriene-A4 hydrolase activity|epoxide hydrolase activity nucleus|cytoplasm YDR420W HKR1 hom FT CELL CYCLE|SIGNALING|CELL WALL ORG/BIOGENESIS|CELL DIVISION|CARBOHYDRATE METABOLISM|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0127644900294187 0.460178690926683 1551 Mucin family member that functions as an osmosensor in the Sho1p-mediated HOG pathway with Msb2p; proposed to be a negative regulator of filamentous growth; mutant displays defects in beta-1,3 glucan synthesis and bud site selection (1->3)-beta-D-glucan biosynthetic process|fungal-type cell wall organization|osmosensory signaling pathway via Sho1 osmosensor|hyperosmotic response|cellular bud site selection osmosensor activity site of polarized growth|plasma membrane YNL275W BOR1 hom FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|ION HOMEOSTASIS|VACUOLAR TRANSPORT|PLASMA MEMBRANE 0.0127459633211803 0.460629315579361 1552 Boron efflux transporter of the plasma membrane; binds HCO3-, I-, Br-, NO3- and Cl-; has similarity to the characterized boron efflux transporter A. thaliana BOR1 borate transport|protein targeting to vacuole borate efflux transmembrane transporter activity integral to membrane|plasma membrane|fungal-type vacuole YLR013W GAT3 hom FT NUCLEUS 0.0127172365308123 0.461640647413072 1553 Protein containing GATA family zinc finger motifs transcription, DNA-dependent sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YPR136C_d YPR136C het 0.012716345591326 0.461672032902886 1554 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified ORF RRP9 Unknown Unknown Unknown YOR337W TEA1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.012685670322827 0.462953754467765 1555 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 YNL217W_p YNL217W hom 0.0126713201347422 0.463259713333128 1556 Putative protein of unknown function; weak sequence similarity to bis (5'-nucleotidyl)-tetraphosphatases; (GFP)-fusion protein localizes to the vacuole; null mutant is highly sensitive to azaserine and resistant to sodium-O-vandate biological_process phosphatase activity fungal-type vacuole YDL013W SLX5 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0126695416901458 0.463322486941604 1557 Subunit of the Slx5-Slx8 SUMO-targeted ubiquitin ligase (STUbL) complex, stimulated by SUMO-modified substrates; contains a RING domain and two SIMs (SUMO-interacting motifs); forms SUMO-dependent nuclear foci, including DNA repair centers protein sumoylation|telomere maintenance|response to DNA damage stimulus|protein ubiquitination SUMO binding|ubiquitin-protein ligase activity ubiquitin ligase complex|nucleus YGR271C-A EFG1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0126515488235742 0.463957846021533 1558 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 YML084W_d YML084W hom 0.0126395542542743 0.464381664142635 1559 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDR291W HRQ1 hom FT NUCLEUS 0.0126351044849777 0.466008924616615 1560 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 YGL234W ADE5,7 hom FT NUCLEOTIDE METABOLISM 0.0126343394631215 0.464565991594269 1561 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 YOR095C RKI1 het FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0126321032137969 0.464645048861343 1562 Ribose-5-phosphate ketol-isomerase, catalyzes the interconversion of ribose 5-phosphate and ribulose 5-phosphate in the pentose phosphate pathway; participates in pyridoxine biosynthesis pyridoxine biosynthetic process|pentose-phosphate shunt ribose-5-phosphate isomerase activity nucleus|cytoplasm YMR299C DYN3 hom FT CYTOSKELETON 0.0126212921393019 0.465027354134389 1563 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 YGR280C PXR1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0126174961027514 0.46516163246349 1564 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 YLR092W SUL2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0126154821454829 0.46523288151979 1565 High affinity sulfate permease; sulfate uptake is mediated by specific sulfate transporters Sul1p and Sul2p, which control the concentration of endogenous activated sulfate intermediates sulfate transport sulfate transmembrane transporter activity integral to membrane|plasma membrane YDL105W NSE4 het FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0126121902916763 0.465415952525531 1566 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 YBR232C_d YBR232C hom 0.0126114819148269 0.465374418224782 1567 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL250W RAD50 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.0126027668021408 0.465882636014437 1568 Subunit of MRX complex with Mre11p and Xrs2p; complex is involved in processing double-strand DNA breaks in vegetative cells, initiation of meiotic DSBs, telomere maintenance, and nonhomologous end joining; forms nuclear foci upon DNA replication stress base-excision repair|meiotic DNA double-strand break processing|telomere maintenance via recombination|meiosis|meiotic DNA double-strand break formation|double-strand break repair via nonhomologous end joining|telomere maintenance|double-strand break repair via break-induced replication|negative regulation of endodeoxyribonuclease activity double-stranded DNA binding|single-stranded telomeric DNA binding|ATPase activity|double-stranded telomeric DNA binding|G-quadruplex DNA binding|telomeric DNA binding|adenylate kinase activity mitochondrion|nucleus|Mre11 complex YLR128W DCN1 hom 0.0125976945039666 0.465862429539798 1569 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 YDR541C_p YDR541C hom FT OXIDATION-REDUCTION PROCESS 0.012596721972258 0.465896863440809 1570 Putative dihydrokaempferol 4-reductase biological_process carbonyl reductase (NADPH) activity cellular_component YDR515W SLF1 hom FT TRANSLATION|ION HOMEOSTASIS|ION HOMEOSTASIS 0.0125940990212564 0.465989739884027 1571 RNA binding protein that associates with polysomes; may be involved in regulating mRNA translation; involved in the copper-dependent mineralization of copper sulfide complexes on cell surface in cells cultured in copper salts; SLF1 has a paralog, SRO9, that arose from the whole genome duplication; protein abundance increases in response to DNA replication stress cellular copper ion homeostasis|regulation of translation RNA binding polysome|cytoplasm YMR310C_p YMR310C hom FT NUCLEUS 0.0125885079360085 0.466187749713073 1572 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 YBR231C SWC5 hom FF|FT CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0125694918528912 0.466861558917064 1573 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 YEL040W UTR2 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0125689666626903 0.46694666877906 1574 Chitin transglycosylase that functions in the transfer of chitin to beta(1-6) and beta(1-3) glucans in the cell wall; similar to and functionally redundant with Crh1; glycosylphosphatidylinositol (GPI)-anchored protein localized to bud neck cell wall chitin metabolic process|fungal-type cell wall organization transferase activity, transferring glycosyl groups cellular bud neck septin ring|fungal-type cell wall YBR292C_d YBR292C hom 0.012538197191121 0.467971617656345 1575 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YBR292C is not an essential gene Unknown Unknown Unknown YPL105C SYH1 hom FT PROTEIN LOCALIZATION|MITOCHONDRION 0.0125001486224193 0.469323211801525 1576 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 YCR015C_p YCR015C hom 0.0124881514036716 0.469749834382534 1577 Putative protein of unknown function; YCR015C is not an essential gene biological_process molecular_function cellular_component YNL296W_d YNL296W hom 0.0124831137530788 0.469929037705315 1578 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 YDR449C UTP6 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.01246339537957 0.470697065218209 1579 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) snoRNA binding small-subunit processome|nucleolus|Pwp2p-containing subcomplex of 90S preribosome|90S preribosome YCL045C EMC1 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0124510519301763 0.471070450821462 1580 Member of conserved endoplasmic reticulum membrane complex; involved in efficient folding of proteins in the ER; null mutant displays induction of the unfolded protein response; interacts with Gal80p; homologous to worm H17B01.4/EMC-1, fly CG2943, and human KIAA0090 protein folding in endoplasmic reticulum molecular_function ER membrane protein complex|endoplasmic reticulum YOR022C_p YOR022C hom FT LIPID METABOLISM|MITOCHONDRION 0.0124266994566032 0.471938428817724 1581 Putative carboxylic ester hydrolase; similar to bovine phospholipase A1; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process phospholipase activity mitochondrion YNL114C_d YNL114C het 0.0124224514039783 0.472089929346263 1582 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 YJL067W_d YJL067W hom 0.012408574709061 0.472849442627642 1583 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL216W RAP1 het FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|GENE SILENCING|NUCLEUS|CHROMOSOME 0.012400245792125 0.472882295509056 1584 Essential DNA-binding transcription regulator that binds at many loci; involved in either transcription activation or repression, chromatin silencing, and telomere length maintenance; conserved protein with an N-terminal BRCT domain, a central region with homology to the Myb DNA binding domain, and a C-terminal Rap1-specific protein-interaction domain (RCT domain) negative regulation of chromatin silencing|establishment of protein localization to chromatin|establishment of chromatin silencing at telomere|regulation of transcription by chromatin organization|protection from non-homologous end joining at telomere|negative regulation of transcription from RNA polymerase II promoter|telomere maintenance via telomere lengthening|telomere maintenance|regulation of glycolysis by positive regulation of transcription from RNA polymerase II promoter|establishment of protein localization to telomere|positive regulation of transcription from RNA polymerase II promoter|chromatin silencing at silent mating-type cassette|chromatin silencing at telomere core promoter proximal region sequence-specific DNA binding|DNA binding, bending|sequence-specific DNA binding|TFIID-class transcription factor binding|TBP-class protein binding RNA polymerase II transcription factor activity|telomeric DNA binding|RNA polymerase II transcription factor binding transcription factor activity|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity|G-quadruplex DNA binding|nucleosomal DNA binding nuclear chromosome|nuclear nucleosome|nuclear chromosome, telomeric region|nuclear telomere cap complex YPR003C_p YPR003C hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0123965056057827 0.473015829099883 1585 Putative sulfate permease; physically interacts with Hsp82p; green fluorescent protein (GFP)-fusion protein localizes to the ER; YPR003C is not an essential gene biological_process molecular_function integral to membrane|endoplasmic reticulum YDR292C SRP101 het FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0123945743269557 0.473084788489 1586 Signal recognition particle (SRP) receptor alpha subunit; contain GTPase domains; involved in SRP-dependent protein targeting; interacts with the beta subunit, Srp102p SRP-dependent cotranslational protein targeting to membrane|protein targeting to ER GTP binding|signal recognition particle binding endoplasmic reticulum membrane|signal recognition particle receptor complex YEL033W_p MTC7 hom 0.0123798763880113 0.474072180649717 1587 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 YIL123W SIM1 hom FT CELL WALL ORG/BIOGENESIS 0.012373746597758 0.473828827027811 1588 Protein of the SUN family (Sim1p, Uth1p, Nca3p, Sun4p) that may participate in DNA replication, promoter contains SCB regulation box at -300 bp indicating that expression may be cell cycle-regulated fungal-type cell wall organization molecular_function fungal-type cell wall YIR024C YIR024C hom FT MITOCHONDRION 0.012367394529874 0.474055872757427 1589 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 YGR212W SLI1 hom FT ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.0123390709380838 0.475068986693521 1590 N-acetyltransferase, confers resistance to the sphingolipid biosynthesis inhibitor myriocin (ISP-1) by converting it into N-acetyl-myriocin, co-operates with Ypk1p in mediating resistance to myriocin response to drug N-acetyltransferase activity nuclear envelope|plasma membrane YDR180W SCC2 het FT PROTEIN LOCALIZATION|CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0123309605379295 0.475425192783234 1591 Subunit of cohesin loading factor (Scc2p-Scc4p), a complex required for loading of cohesin complexes onto chromosomes; involved in establishing sister chromatid cohesion during DSB repair via histone H2AX; evolutionarily-conserved adherin double-strand break repair|establishment of protein localization to chromatin|protein localization to chromatin|2-micrometer plasmid partitioning|mitotic chromosome condensation|transcription-dependent tethering of RNA polymerase II gene DNA at nuclear periphery|establishment of mitotic sister chromatid cohesion|rDNA condensation|tRNA gene clustering molecular_function nuclear chromatin|2-micrometer circle DNA|SMC loading complex YLR285C-A_p YLR285C-A hom 0.0123011855547612 0.4764917799593 1592 Putative protein of unknown function; identified by fungal homology and RT-PCR biological_process molecular_function cellular_component YOR359W VTS1 hom FT PROTEIN LOCALIZATION|RNA PROCESSING|NUCLEUS 0.0122783803408093 0.477309584205647 1593 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 YER072W VTC1 hom FT MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|ENDOPLASMIC RETICULUM 0.0122778852488652 0.477261602354159 1594 Subunit of the vacuolar transporter chaperone (VTC) complex; VTC complex is involved in membrane trafficking, vacuolar polyphosphate accumulation, microautophagy and non-autophagic vacuolar fusion; also has mRNA binding activity; protein abundance increases in response to DNA replication stress polyphosphate metabolic process|vacuolar transport|microautophagy|vacuole fusion, non-autophagic mRNA binding integral to membrane|endoplasmic reticulum|vacuolar transporter chaperone complex|intrinsic to vacuolar membrane YBR269C_p FMP21 hom FT MITOCHONDRION 0.012268687107387 0.477591699715781 1595 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 YHR178W STB5 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.0122661479762306 0.479264051472036 1596 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 YMR021C MAC1 hom FF|FT TRANSCRIPTION FROM RNA POL II|ION HOMEOSTASIS|ION HOMEOSTASIS|NUCLEUS 0.0122543186201193 0.478107597051751 1597 Copper-sensing transcription factor involved in regulation of genes required for high affinity copper transport cellular copper ion homeostasis|positive regulation of protein catabolic process|positive regulation of transcription from RNA polymerase II promoter core promoter proximal region DNA binding|RNA polymerase II core promoter proximal region sequence-specific DNA binding transcription factor activity involved in positive regulation of transcription nucleus YGR151C_d YGR151C hom 0.0122534600152931 0.478335517890238 1598 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps almost completely with the verified ORF RSR1/BUD1/YGR152C; relative distribution to the nucleus increases upon DNA replication stress Unknown Unknown Unknown YOR042W CUE5 hom 0.0122432900824113 0.478503780704525 1599 Protein containing a CUE domain that binds ubiquitin, which may facilitate intramolecular monoubiquitination; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm in a punctate pattern biological_process ubiquitin binding cytoplasm YFL055W AGP3 hom FT PLASMA MEMBRANE 0.0122177562636482 0.479684157388679 1600 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 YGL247W BRR6 het FT PROTEIN LOCALIZATION|LIPID METABOLISM|MEMBRANE ORGANIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0122052170419522 0.479872874323402 1601 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 YDL083C RPS16B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0122047163435177 0.480218785984374 1602 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 YER106W MAM1 hom FT CELL CYCLE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0121593889040521 0.481523666768034 1603 Monopolin, kinetochore associated protein involved in chromosome attachment to meiotic spindle meiotic chromosome segregation|meiotic sister chromatid cohesion involved in meiosis I molecular_function condensed nuclear chromosome kinetochore|monopolin complex YJR057W CDC8 het FT NUCLEOTIDE METABOLISM|NUCLEUS 0.0121467308096491 0.481980172517752 1604 Thymidylate and uridylate kinase, functions in de novo biosynthesis of pyrimidine deoxyribonucleotides; converts dTMP to dTDP and dUMP to dUTP; essential for mitotic and meiotic DNA replication; homologous to S. pombe Tmp1p dTDP biosynthetic process|dTTP biosynthetic process|dUDP biosynthetic process uridylate kinase activity|thymidylate kinase activity nucleus|cytoplasm YLL050C COF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.0121421365618178 0.482211298865789 1605 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 YAL046C AIM1 hom 0.0121206250372483 0.482987723234735 1606 Protein involved in mitochondrial function or organization; null mutant displays elevated frequency of mitochondrial genome loss biological_process molecular_function cellular_component YOR379C_d YOR379C hom 0.0121101264458115 0.483628213651995 1607 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the uncharacterized ORF YOR378W Unknown Unknown Unknown YNL258C DSL1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PEROXISOME ORGANIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0121099907169971 0.483371802693133 1608 Peripheral membrane protein needed for Golgi-to-ER retrograde traffic; forms a complex with Sec39p and Tip20p that interacts with ER SNAREs Sec20p and Use1p; component of the ER target site that interacts with coatomer; interacts with Cin5p; similar to the fly and human ZW10 gene retrograde vesicle-mediated transport, Golgi to ER|ER-dependent peroxisome organization molecular_function Dsl1p complex|endoplasmic reticulum|peroxisome|nucleus YNL134C YNL134C hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0121063313297331 0.483438725238703 1609 Protein of unknown function; similar to dehydrogenases from other model organisms; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and nucleus; protein abundance increases in response to DNA replication stress biological_process alcohol dehydrogenase (NADP+) activity nucleus|cytoplasm YOR377W ATF1 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|ENDOMEMBRANE SYSTEM 0.0120974917691265 0.483758181152212 1610 Alcohol acetyltransferase; responsible for the major part of volatile acetate ester production during fermentation; main enzyme involved in terpenyl acetate synthesis; potential roles in lipid and sterol metabolism Unknown|fermentation alcohol O-acetyltransferase activity lipid particle YHR176W FMO1 hom FT OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0120893260816745 0.484053385423449 1611 Flavin-containing monooxygenase, localized to the cytoplasmic face of the ER membrane; catalyzes oxidation of biological thiols to maintain the ER redox buffer ratio for correct folding of disulfide-bonded proteins protein folding N,N-dimethylaniline monooxygenase activity endoplasmic reticulum membrane YJR004C SAG1 hom 0.0120867034466037 0.484148219107555 1612 Alpha-agglutinin of alpha-cells, binds to Aga1p during agglutination, N-terminal half is homologous to the immunoglobulin superfamily and contains binding site for a-agglutinin, C-terminal half is highly glycosylated and contains GPI anchor agglutination involved in conjugation with cellular fusion cell adhesion molecule binding fungal-type cell wall YDR331W GPI8 het FT LIPID METABOLISM|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0120493835747178 0.485498784893931 1613 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 YCR089W FIG2 hom FT CELL WALL ORG/BIOGENESIS 0.0120493399673077 0.485630627521144 1614 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 YGR152C RSR1 hom FT CELL CYCLE|SIGNALING|CELL DIVISION|NUCLEOTIDE METABOLISM|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0120381835780589 0.485904497951725 1615 GTP-binding protein of the ras superfamily required for bud site selection, morphological changes in response to mating pheromone, and efficient cell fusion; localized to the plasma membrane; significantly similar to mammalian Rap GTPases bipolar cellular bud site selection|small GTPase mediated signal transduction|axial cellular bud site selection|cellular bud site selection GTPase activity|signal transducer activity plasma membrane|cellular bud neck YDL128W VCX1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.0120065835356169 0.48705017791744 1616 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 YBL027W RPL19B hom FT TRANSLATION|RIBOSOME 0.0120050740203713 0.487299989070301 1617 Ribosomal 60S subunit protein L19B; 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; RPL19B has a paralog, RPL19A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YLR282C_d YLR282C hom 0.0119648777422704 0.488759185381858 1618 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 YKL198C PTK1 hom FT PROTEIN PHOSPHORYLATION 0.01193109431265 0.489792982013334 1619 Putative serine/threonine protein kinase that regulates spermine uptake; involved in polyamine transport; possible mitochondrial protein polyamine transport protein kinase activity cellular_component YBR028C YPK3 hom FT PROTEIN PHOSPHORYLATION 0.0119010916508422 0.491079556415972 1620 An AGC kinase phosphorylated by cAMP-dependent protein kinase (PKA) in a TORC1-dependent manner biological_process protein kinase activity cytoplasm YOR302W YOR302W hom FT TRANSLATION 0.0118437757367993 0.492975925178145 1621 CPA1 uORF, Arginine attenuator peptide, regulates translation of the CPA1 mRNA regulation of translation translation regulator activity cytosol YML043C RRN11 het FT NUCLEUS 0.0118397821669589 0.493121763528116 1622 Component of the core factor (CF) rDNA transcription factor complex; CF is required for transcription of 35S rRNA genes by RNA polymerase I and is composed of Rrn6p, Rrn7p, and Rrn11p transcription initiation from RNA polymerase I promoter|transcription of nuclear large rRNA transcript from RNA polymerase I promoter TBP-class protein binding|RNA polymerase I CORE element sequence-specific DNA binding|RNA polymerase I CORE element sequence-specific DNA binding transcription factor recruiting transcription factor activity RNA polymerase I core factor complex YHR092C HXT4 hom FT PLASMA MEMBRANE 0.011814762373907 0.494035969147676 1623 High-affinity glucose transporter; member of the major facilitator superfamily, expression is induced by low levels of glucose and repressed by high levels of glucose; HXT4 has a paralog, HXT7, that arose from the whole genome duplication hexose transport pentose transmembrane transporter activity|mannose transmembrane transporter activity|glucose transmembrane transporter activity|fructose transmembrane transporter activity integral to membrane|plasma membrane YDR340W_d YDR340W hom 0.0118107879552325 0.494181274988525 1624 Putative protein of unknown function Unknown Unknown Unknown YER049W TPA1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.0117437533950174 0.497278653367725 1625 Poly(rA)-binding protein involved in translation termination efficiency, mRNA poly(A) tail length and mRNA stability; interacts with Sup45p (eRF1), Sup35p (eRF3) and Pab1p; similar to prolyl 4-hydroxylases; binds Fe(III) and 2-oxoglutarate nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay|translational termination poly(A) RNA binding nucleus YPR177C_d YPR177C het 0.0117324132222743 0.497115556385432 1626 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 YOR307C SLY41 hom FT VESICLE-MEDIATED TRANSPORT|ENDOPLASMIC RETICULUM 0.0117278224359654 0.49747662589741 1627 Protein involved in ER-to-Golgi transport ER to Golgi vesicle-mediated transport molecular_function integral to membrane|endoplasmic reticulum YLR093C NYV1 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0117052884237037 0.498046706834072 1628 v-SNARE component of the vacuolar SNARE complex involved in vesicle fusion; inhibits ATP-dependent Ca(2+) transport activity of Pmc1p in the vacuolar membrane vesicle-mediated transport|vacuole fusion, non-autophagic|vesicle fusion SNAP receptor activity SNARE complex|fungal-type vacuole membrane YOL105C WSC3 hom FT SIGNALING|CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION|PEROXISOME ORGANIZATION|SITE OF POLARIZED GROWTH 0.0117046720733261 0.498069336647109 1629 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 YGR064W_d YGR064W hom FF 0.0116993846478095 0.498263491305742 1630 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF SPT4/YGR063C Unknown Unknown Unknown YKL163W PIR3 hom FT CELL WALL ORG/BIOGENESIS 0.011672910719351 0.499236220757007 1631 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 YOL131W_p YOL131W hom 0.011671913122844 0.499272895069209 1632 Putative protein of unknown function biological_process molecular_function cellular_component YDL239C ADY3 hom FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|CELL DIVISION|MITOCHONDRION ORGANIZATION|NUCLEUS|CYTOSKELETON 0.0116646748393563 0.499923341788905 1633 Protein required for spore wall formation; thought to mediate assembly of a Don1p-containing structure at the leading edge of the prospore membrane via interaction with spindle pole body components; potentially phosphorylated by Cdc28p; ADY3 has a paralog, CNM67, that arose from the whole genome duplication mitochondrion inheritance|ascospore wall assembly|sporulation resulting in formation of a cellular spore molecular_function spindle pole body|prospore membrane YKL173W SNU114 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEOTIDE METABOLISM|NUCLEUS 0.0116644378862964 0.499547750241746 1634 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 YHL009C YAP3 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.0116628345948834 0.499606711734891 1635 Basic leucine zipper (bZIP) transcription factor regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nucleus YBL034C STU1 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|NUCLEUS|CHROMOSOME|CYTOSKELETON 0.0116422343746513 0.500364619094569 1636 Component of the mitotic spindle that binds to interpolar microtubules via its association with beta-tubulin (Tub2p); required for interpolar microtubules to provide an outward force on the spindle poles microtubule nucleation structural constituent of cytoskeleton spindle pole body YCR098C GIT1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0116161894550769 0.501323715367537 1637 Plasma membrane permease, mediates uptake of glycerophosphoinositol and glycerophosphocholine as sources of the nutrients inositol and phosphate; expression and transport rate are regulated by phosphate and inositol availability transmembrane transport|glycerophosphodiester transport glycerophosphodiester transmembrane transporter activity integral to membrane|plasma membrane YMR001C-A_p YMR001C-A hom 0.011537763784603 0.504217584510726 1638 Putative protein of unknown function biological_process molecular_function cellular_component YLR352W_p YLR352W hom 0.0115215894666551 0.505069917628171 1639 Putative protein of unknown function with similarity to F-box proteins; interacts with Skp1p and Cdc53p; YLR352W is not an essential gene biological_process molecular_function SCF ubiquitin ligase complex YEL034W HYP2 het FF|FT KETONE METABOLISM|PROTEIN COMPLEX ORG/BIOGENESIS|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION|RIBOSOME 0.011513143684273 0.505127867417994 1640 Translation elongation factor eIF-5A; may function in translation initiation; structural homolog of bacterial EF-P; undergoes an essential hypusination modification; HYP2 has a paralog, ANB1, that arose from the whole genome duplication positive regulation of translational initiation|translational frameshifting|positive regulation of translational termination|positive regulation of translational elongation ribosome binding|RNA binding|translation elongation factor activity|translation initiation factor activity mitochondrion|cytosolic ribosome|cytoplasm YLR410W VIP1 hom FT CYTOSKELETON 0.0114925564366294 0.505889706860097 1641 Inositol hexakisphosphate (IP6) and inositol heptakisphosphate (IP7) kinase; IP7 production is important for phosphate signaling; involved in cortical actin cytoskeleton function, and invasive pseudohyphal growth analogous to S. pombe asp1 inositol phosphate biosynthetic process inositol hexakisphosphate 1-kinase activity|inositol hexakisphosphate 3-kinase activity|inositol heptakisphosphate kinase activity|inositol hexakisphosphate 4-kinase activity|inositol hexakisphosphate 6-kinase activity cytoplasm YPL189W GUP2 hom 0.0114897308445238 0.505994316191377 1642 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 YBR199W KTR4 hom FT CARBOHYDRATE METABOLISM|GOLGI APPARATUS 0.011478425070248 0.50641299341341 1643 Putative mannosyltransferase involved in protein glycosylation; member of the KRE2/MNT1 mannosyltransferase family protein N-linked glycosylation mannosyltransferase activity Golgi apparatus YKL077W_p YKL077W hom 0.0114700670503037 0.506722625958528 1644 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the vacuole biological_process molecular_function fungal-type vacuole YHR152W SPO12 hom FT CELL CYCLE|NUCLEUS 0.0114604044584522 0.507080711813023 1645 Nucleolar protein of unknown function, positive regulator of mitotic exit; involved in regulating release of Cdc14p from the nucleolus in early anaphase, may play similar role in meiosis regulation of exit from mitosis|mitotic cell cycle|meiosis I molecular_function nucleolus|nucleus YJR024C MDE1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0114516720392024 0.507404440690881 1646 5'-methylthioribulose-1-phosphate dehydratase; acts in the methionine salvage pathway; potential Smt3p sumoylation substrate; expression downregulated by caspofungin and deletion mutant is caspofungin resistant L-methionine salvage from methylthioadenosine methylthioribulose 1-phosphate dehydratase activity cytoplasm YBL076C ILS1 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0114391101513354 0.507933654664759 1647 Cytoplasmic isoleucine-tRNA synthetase, target of the G1-specific inhibitor reveromycin A cytoplasmic translation|isoleucyl-tRNA aminoacylation isoleucine-tRNA ligase activity cytosol YOR328W PDR10 hom FT NUCLEOTIDE METABOLISM|PLASMA MEMBRANE 0.0114337439238079 0.508386108185507 1648 ATP-binding cassette (ABC) transporter, multidrug transporter involved in the pleiotropic drug resistance network; regulated by Pdr1p and Pdr3p drug transmembrane transport ATPase activity, coupled to transmembrane movement of substances integral to membrane|plasma membrane YHR069C RRP4 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RNA LOCALIZATION|NUCLEUS 0.0114288701821644 0.508440194789628 1649 Exosome non-catalytic core component; involved in 3'-5' RNA processing and degradation in both the nucleus and the cytoplasm; predicted to contain RNA binding domains; has similarity to human hRrp4p (EXOSC2) 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|U4 snRNA 3'-end processing|nuclear-transcribed mRNA catabolic process, exonucleolytic, 3'-5'|nuclear retention of pre-mRNA with aberrant 3'-ends at the site of transcription|polyadenylation-dependent snoRNA 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) YDR147W EKI1 hom FT LIPID METABOLISM 0.0113899949030102 0.509694025331299 1650 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 YMR269W TMA23 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0113780590683448 0.510137731953901 1651 Nucleolar protein implicated in ribosome biogenesis; deletion extends chronological lifespan ribosomal small subunit biogenesis molecular_function ribosome|nucleolus YPL028W ERG10 het FT LIPID METABOLISM 0.0113394436316633 0.511574617287378 1652 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 YNL255C GIS2 hom FT TRANSLATION|RIBOSOME 0.0113211017248548 0.512257860999781 1653 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 YML104C MDM1 hom FT MITOCHONDRION ORGANIZATION|CYTOSKELETON 0.0112992452027729 0.513261351563265 1654 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 YOR244W ESA1 het FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0112781641205771 0.513859162913906 1655 Catalytic subunit of the histone acetyltransferase complex (NuA4); acetylates four conserved internal lysines of histone H4 N-terminal tail and can acetylate histone H2A; required for cell cycle progression and transcriptional silencing at the rDNA locus and regulation of autophagy DNA repair|histone acetylation|regulation of cell cycle|regulation of transcription by chromatin organization|DNA-dependent transcription, elongation|chromatin silencing at rDNA|positive regulation of transcription elongation from RNA polymerase II promoter|regulation of transcription from RNA polymerase II promoter H4 histone acetyltransferase activity|histone acetyltransferase activity Piccolo NuA4 histone acetyltransferase complex|NuA4 histone acetyltransferase complex YLL053C_p YLL053C hom 0.0112758122412279 0.513946948325952 1656 Putative protein; in the Sigma 1278B strain background YLL053C is contiguous with AQY2 which encodes an aquaporin biological_process molecular_function integral to membrane YJL016W_p YJL016W hom 0.0112415767108648 0.515225694000757 1657 Putative protein of unknown function; GFP-fusion protein localizes to the cytoplasm; conserved in closely related Saccharomyces species biological_process molecular_function cytoplasm YMR006C PLB2 hom FT LIPID METABOLISM 0.0112193163943848 0.516058033529241 1658 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 YDR108W TRS85 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS|PEROXISOME ORGANIZATION|GOLGI APPARATUS 0.0112123671178562 0.516318017891666 1659 Subunit of TRAPPIII (transport protein particle), a multimeric guanine nucleotide-exchange factor for Ypt1p, required for membrane expansion during autophagy and the CVT pathway; directs Ypt1p to the PAS; late post-replication meiotic role meiosis|vesicle organization|piecemeal microautophagy of nucleus|ER to Golgi vesicle-mediated transport|peroxisome degradation|macroautophagy|protein localization to pre-autophagosomal structure|CVT pathway molecular_function TRAPP complex|pre-autophagosomal structure YMR163C INP2 hom FT PEROXISOME ORGANIZATION 0.0111705618836919 0.517945928580375 1660 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 YOR296W_p YOR296W hom 0.0111703576511997 0.518141080914746 1661 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; expressed during copper starvation; YOR296W is not an essential gene biological_process molecular_function cytoplasm YLR084C RAX2 hom FT CELL CYCLE|CELL DIVISION|MITOCHONDRION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.0111461865442862 0.518859738108009 1662 N-glycosylated protein involved in the maintenance of bud site selection during bipolar budding; localization requires Rax1p; RAX2 mRNA stability is regulated by Mpt5p cellular bud site selection molecular_function mitochondrion|cellular bud scar|cellular bud neck|membrane YOL058W ARG1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0111297481860193 0.519414126318148 1663 Arginosuccinate synthetase, catalyzes the formation of L-argininosuccinate from citrulline and L-aspartate in the arginine biosynthesis pathway; potential Cdc28p substrate argininosuccinate metabolic process|arginine biosynthetic process|citrulline metabolic process argininosuccinate synthase activity cytosol YMR063W RIM9 hom FF|FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0111287871111655 0.520136636393783 1664 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 YPR130C_d YPR130C hom 0.0111230947364349 0.519663877513177 1665 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YBR242W_p YBR242W hom FT NUCLEUS 0.0111227417763887 0.519677128338946 1666 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 YGR131W FHN1 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|PLASMA MEMBRANE 0.0111212511824518 0.519733090136985 1667 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 YNL094W APP1 hom FT CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0111092222344877 0.520184810095613 1668 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 YOR009W TIR4 hom FT CELL WALL ORG/BIOGENESIS 0.0110587683807502 0.522081692074882 1669 Cell wall mannoprotein of the Srp1p/Tip1p family of serine-alanine-rich proteins; expressed under anaerobic conditions and required for anaerobic growth; transcription is also induced by cold shock biological_process molecular_function fungal-type cell wall YMR242C RPL20A hom FF|FT TRANSLATION|RIBOSOME 0.0110499561635511 0.522475441235743 1670 Ribosomal 60S subunit protein L20A; homologous to mammalian ribosomal protein L18A, no bacterial homolog; RPL20A has a paralog, RPL20B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YOL122C SMF1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.0110219312922577 0.52346887464021 1671 Divalent metal ion transporter with a broad specificity for di-valent and tri-valent metals; post-translationally regulated by levels of metal ions; member of the Nramp family of metal transport proteins copper ion transport|cellular copper ion homeostasis|manganese ion transport|cadmium ion transport|cellular manganese ion homeostasis|cellular cadmium ion homeostasis|iron ion transport solute:hydrogen symporter activity|inorganic cation transmembrane transporter activity integral to membrane|plasma membrane YML064C TEM1 het FT CELL CYCLE|SIGNALING|CELL DIVISION|CYTOSKELETON 0.0110125847997843 0.523821138012162 1672 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 YGR182C_d YGR182C hom 0.0110095802321903 0.524182254083383 1673 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified ORF TIM13/YGR181W Unknown Unknown Unknown YMR160W YMR160W hom 0.0110049165361479 0.524110240714219 1674 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the membrane of the vacuole; mutant has enhanced sensitivity to overexpression of mutant huntingtin; YMR160W is not an essential gene; relative distribution within the vacuolar membrane changes upon DNA replication stress biological_process molecular_function fungal-type vacuole membrane YLL017W YLL017W hom FT SIGNALING 0.0109941568529697 0.524516031409239 1675 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 YNL214W PEX17 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PEROXISOME ORGANIZATION 0.0109887019663491 0.524721818440809 1676 Peroxisomal membrane peroxin and subunit of the docking complex that facilitates the import of peroxisomal matrix proteins; required for peroxisome biogenesis protein import into peroxisome matrix, docking protein binding peroxisomal membrane YOL160W_d YOL160W hom 0.0109803031174033 0.525286205517275 1677 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL295W_p YNL295W hom 0.0109728708063184 0.526123958309979 1678 Putative protein of unknown function biological_process molecular_function cellular_component YJL183W MNN11 hom FT CARBOHYDRATE METABOLISM|GOLGI APPARATUS 0.0109417019863816 0.526681799017713 1679 Subunit of a Golgi mannosyltransferase complex that also contains Anp1p, Mnn9p, Mnn10p, and Hoc1p, and mediates elongation of the polysaccharide mannan backbone; has homology to Mnn10p protein glycosylation alpha-1,6-mannosyltransferase activity alpha-1,6-mannosyltransferase complex YEL044W IES6 hom FT NUCLEUS 0.010937783927693 0.526829849935441 1680 Protein that associates with the INO80 chromatin remodeling complex under low-salt conditions; human ortholog INO80C is a member of the human INO80 complex; implicated in DNA repair based on genetic interactions with RAD52 epistasis genes biological_process molecular_function nucleus YMR304C-A_d YMR304C-A hom 0.0109368310169904 0.52668072649707 1681 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene SCW10 Unknown Unknown Unknown YER148W SPT15 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0109158469101514 0.527535878434543 1682 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 YOR044W IRC23 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0108748512845213 0.529026277745144 1683 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 YBR099C_d YBR099C hom 0.0108448317450079 0.53016423921346 1684 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 YPR200C ARR2 hom 0.0108378370661181 0.530490928583884 1685 Arsenate reductase required for arsenate resistance; converts arsenate to arsenite which can then be exported from cells by Arr3p response to arsenic-containing substance arsenate reductase activity cellular_component YGL105W ARC1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0108297363336967 0.530736935644166 1686 Protein that binds tRNA and methionyl- and glutamyl-tRNA synthetases (Mes1p and Gus1p), delivering tRNA to them, stimulating catalysis, and ensuring their localization to the cytoplasm; also binds quadruplex nucleic acids; protein abundance increases in response to DNA replication stress positive regulation of ligase activity|tRNA aminoacylation for protein translation enzyme activator activity|tRNA binding|phosphatidylinositol-3,5-bisphosphate binding|phosphatidylinositol-3-phosphate binding methionyl glutamyl tRNA synthetase complex|cytoplasm YCR014C POL4 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.01081896900501 0.531145623027593 1687 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 YCR102W-A_d YCR102W-A hom 0.0107913572814275 0.532194389104289 1688 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YKL040C NFU1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|COFACTOR METABOLISM|MITOCHONDRION 0.010790054172953 0.532243910490468 1689 Protein involved in iron metabolism in mitochondria; similar to NifU, which is a protein required for the maturation of the Fe/S clusters of nitrogenase in nitrogen-fixing bacteria cellular iron ion homeostasis|iron-sulfur cluster assembly|intracellular sequestering of iron ion molecular_function mitochondrion|mitochondrial matrix YER080W AIM9 hom FT MITOCHONDRION 0.0107829583632312 0.532513609956416 1690 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 YER115C SPR6 hom FT CELL CYCLE 0.0107744744842142 0.532836158267333 1691 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 YDR301W CFT1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.0107661152171076 0.533154065565278 1692 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 YDR234W LYS4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.0107361729403955 0.534293572169507 1693 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 YAR050W FLO1 hom FT PLASMA MEMBRANE 0.010729374315197 0.534552477030862 1694 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 YCR045C RRT12 hom FT CELL WALL ORG/BIOGENESIS|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS 0.0107106764299961 0.535325775168941 1695 Probable subtilisin-family protease with a role in formation of the dityrosine layer of spore walls; localizes to the spore wall and also the nuclear envelope and ER region in mature spores ascospore wall assembly serine-type peptidase activity nuclear envelope|ascospore wall YGR186W TFG1 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.0107086639312557 0.535341558492776 1696 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 YLR197W NOP56 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0107055399723572 0.535765271278974 1697 Essential evolutionarily-conserved nucleolar protein component of the box C/D snoRNP complexes that direct 2'-O-methylation of pre-rRNA during its maturation; overexpression causes spindle orientation defects rRNA modification|rRNA processing molecular_function box C/D snoRNP complex|small-subunit processome|nucleolus|nucleus|90S preribosome YPL001W HAT1 hom FT CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.0106926891496183 0.535950610504042 1698 Catalytic subunit of the Hat1p-Hat2p histone acetyltransferase complex that uses the cofactor acetyl coenzyme A, to acetylate free nuclear and cytoplasmic histone H4; involved in telomeric silencing and DNA double-strand break repair histone acetylation|chromatin silencing at telomere histone acetyltransferase activity|histone binding histone acetyltransferase complex|nucleus|cytoplasm YBR067C TIP1 hom FT CELL WALL ORG/BIOGENESIS 0.010686313687665 0.536193777691769 1699 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 YOR376W_d YOR376W hom 0.0106747173685598 0.53663621641674 1700 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YOR376W is not an essential gene. Unknown Unknown Unknown YMR185W RTP1 het 0.0106738368422752 0.53666981896367 1701 Protein required for the nuclear import and biogenesis of RNA pol II; conflicting evidence on whether null mutant is viable with elongated buds, or inviable; interacts with Rpb2, Rpb3, Nup116p, Nup100p and components of the R2TP complex (Rvb1p, Rvb2p, Pih1p); similar to human TMCO7 gene biological_process molecular_function cellular_component YKL018W SWD2 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|CHROMATIN ORGANIZATION|NUCLEUS|CHROMOSOME 0.0106388249498084 0.538006795630747 1702 Subunit of the COMPASS (Set1C) complex, which methylates histone H3 on lys 4 and is involved in telomeric silencing; subunit of CPF (cleavage and polyadenylation factor), a complex involved in RNAP II transcription termination mRNA 3'-end processing|termination of RNA polymerase II transcription, exosome-dependent|histone H3-K4 methylation|termination of RNA polymerase II transcription, poly(A)-coupled|telomere maintenance|snoRNA 3'-end processing|histone H3-K79 methylation histone methyltransferase activity (H3-K4 specific) mRNA cleavage and polyadenylation specificity factor complex|Set1C/COMPASS complex YOR303W CPA1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0106257006924712 0.538508393489662 1703 Small subunit of carbamoyl phosphate synthetase, which catalyzes a step in the synthesis of citrulline, an arginine precursor; translationally regulated by an attenuator peptide encoded by YOR302W within the CPA1 mRNA 5'-leader arginine biosynthetic process carbamoyl-phosphate synthase (glutamine-hydrolyzing) activity carbamoyl-phosphate synthase complex YBL024W NCL1 hom FT RNA PROCESSING|NUCLEUS 0.0106085972848956 0.539162422721577 1704 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 YPR051W MAK3 hom FT NUCLEUS 0.0105978601943695 0.539573209046538 1705 Catalytic subunit of N-terminal acetyltransferase of the NatC type; required for replication of dsRNA virus N-terminal protein amino acid acetylation peptide alpha-N-acetyltransferase activity NatC complex YIL161W_p YIL161W hom 0.0105942355169115 0.539893483148895 1706 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; mRNA is enriched in Scp160p-associated mRNPs; YIL161W is a non-essential gene biological_process molecular_function cytoplasm YBR170C NPL4 hom FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|UBIQUITIN LIGASE COMPLEX 0.0105939938397869 0.539721168809681 1707 Substrate-recruiting cofactor of the Cdc48p-Npl4p-Ufd1p segregase; assists Cdc48p in the dislocation of misfolded, polyubiquitinated ERAD substrates that are subsequently delivered to the proteasome for degradation; also involved in the regulated destruction of resident ER membrane proteins, such as HMG-CoA reductase (Hmg1/2p) and cytoplasmic proteins (Fbp1p); role in mobilizing membrane bound transcription factors by regulated ubiquitin/proteasome-dependent processing (RUP) retrograde protein transport, ER to cytosol|proteasomal ubiquitin-dependent protein catabolic process|mitochondria-associated protein catabolic process|mitotic spindle disassembly|ER-associated protein catabolic process|ER-associated misfolded protein catabolic process|Unknown|cytoplasm-associated proteasomal ubiquitin-dependent protein catabolic process molecular_function Doa10p ubiquitin ligase complex|integral to membrane|Cdc48p-Npl4p-Ufd1p AAA ATPase complex|Cdc48p-Npl4p-Vms1p AAA ATPase complex|nuclear outer membrane-endoplasmic reticulum membrane network YDL085W NDE2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.0105924895528009 0.539960286057377 1708 Mitochondrial external NADH dehydrogenase, catalyzes the oxidation of cytosolic NADH; Nde1p and Nde2p are involved in providing the cytosolic NADH to the mitochondrial respiratory chain glucose catabolic process to ethanol|NADH oxidation NADH dehydrogenase activity mitochondrion YFR026C ULI1 hom FT SIGNALING 0.0105917025869093 0.539808861302794 1709 Putative protein of unknown function involved in and induced by the endoplasmic reticulum unfolded protein response endoplasmic reticulum unfolded protein response molecular_function cellular_component YGR250C YGR250C hom 0.0105393104449517 0.542480109042459 1710 Putative RNA binding protein; localizes to stress granules induced by glucose deprivation; interacts with Rbg1p in a two-hybrid assay; protein abundance increases in response to DNA replication stress biological_process RNA binding cytoplasmic stress granule|cytoplasm YNR046W TRM112 het FT RNA PROCESSING|NUCLEUS 0.0105307126259972 0.542145730556102 1711 Protein involved in methylation of tRNA, rRNA, and translation factors; subunit of tRNA methyltransferase (MTase) complexes in combination with Trm9p and Trm11p; interacts with and stabilizes 18S rRNA methyltransferase Bud23p; subunit of complex with Mtq2p that methylates Sup45p (eRF1) in the ternary complex eRF1-eRF3-GTP; deletion confers resistance to zymocin; relative distribution to the nucleus increases upon DNA replication stress rRNA (guanine-N7)-methylation|peptidyl-glutamine methylation|tRNA methylation protein methyltransferase activity|zinc ion binding|tRNA (guanine-N2-)-methyltransferase activity|rRNA (guanine) methyltransferase activity eRF1 methyltransferase complex|nucleolus|nucleus|tRNA (m2G10) methyltransferase complex|cytoplasm YKL119C VPH2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0105201083499101 0.542552554235406 1712 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 YBR160W CDC28 het FT CELL CYCLE|LIPID METABOLISM|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CELL DIVISION|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|NUCLEUS|ENDOPLASMIC RETICULUM|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.0105057187699905 0.543104840863618 1713 Catalytic subunit of the main cell cycle cyclin-dependent kinase (CDK); alternately associates with G1 cyclins (CLNs) and G2/M cyclins (CLBs) which direct the CDK to specific substrates; involved in modulating membrane trafficking dynamics; protein abundance increases in response to DNA replication stress regulation of budding cell apical bud growth|negative regulation of meiotic cell cycle|positive regulation of triglyceride catabolic process|protein phosphorylation|regulation of filamentous growth|negative regulation of transcription, DNA-dependent|positive regulation of meiotic cell cycle|positive regulation of transcription, DNA-dependent|regulation of double-strand break repair via homologous recombination|vesicle-mediated transport|positive regulation of DNA replication involved in S phase|positive regulation of mitotic cell cycle|positive regulation of spindle pole body separation|chromatin remodeling|negative regulation of mitotic cell cycle histone binding|protein kinase activity|cyclin-dependent protein kinase activity cyclin-dependent protein kinase holoenzyme complex|ribosome|endoplasmic reticulum|nucleus|spindle pole body|cellular bud neck|astral microtubule|cytoplasm YMR031W-A_d YMR031W-A hom 0.0105027759044768 0.543518851406529 1714 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; null mutant displays shortened telomeres; partially overlaps the uncharacterized ORF YMR031C Unknown Unknown Unknown YGR189C CRH1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.0104943595521227 0.543541016700094 1715 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 YOR061W CKA2 hom FF|FT RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0104915313934402 0.543649640567179 1716 Alpha' catalytic subunit of casein kinase 2 (CK2); CK2 is 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; protein abundance increases in response to DNA replication stress; regulates Fkh1p-mediated donor preference during mating-type switching regulation of transcription from RNA polymerase I promoter|chronological cell aging|protein phosphorylation|regulation of transcription from RNA polymerase III promoter|response to DNA damage stimulus protein serine/threonine kinase activity protein kinase CK2 complex|UTP-C complex YOL004W SIN3 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|CELL DIVISION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0104889592562281 0.543748440540386 1717 Component of the Sin3p-Rpd3p histone deacetylase complex, involved in transcriptional repression and activation of diverse processes, including mating-type switching and meiosis; involved in the maintenance of chromosomal integrity positive regulation of transcription from RNA polymerase II promoter in response to heat stress|negative regulation of chromatin silencing at rDNA|histone deacetylation|negative regulation of chromatin silencing at silent mating-type cassette|negative regulation of transcription from RNA polymerase I promoter|negative regulation of transcription during meiosis|regulation of DNA-dependent DNA replication initiation|negative regulation of transcription from RNA polymerase II promoter|negative regulation of chromatin silencing at telomere|double-strand break repair via nonhomologous end joining|positive regulation of transcription from RNA polymerase II promoter|regulation of transcription involved in G2/M-phase of mitotic cell cycle transcription coactivator activity|transcription corepressor activity Sin3-type complex|Rpd3S complex|Rpd3L-Expanded complex|Rpd3L complex YOR297C TIM18 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|OXIDATION-REDUCTION PROCESS|MITOCHONDRION ORGANIZATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0104638233548568 0.544714421121674 1718 Component of the mitochondrial TIM22 complex involved in insertion of polytopic proteins into the inner membrane; may mediate assembly or stability of the complex cellular response to oxidative stress|protein import into mitochondrial inner membrane|apoptotic process|response to acid|response to osmotic stress|response to arsenic-containing substance protein channel activity mitochondrion|integral to membrane|mitochondrial inner membrane protein insertion complex YEL029C BUD16 hom FT CELL CYCLE|CELL DIVISION|COFACTOR METABOLISM|NUCLEUS 0.010458842746013 0.544965949924231 1719 Putative pyridoxal kinase, a key enzyme involved in pyridoxal 5'-phosphate synthesis, the active form of vitamin B6; required for genome integrity; involved in bud-site selection; similarity to yeast BUD17 and human pyridoxal kinase (PDXK) pyridoxal phosphate biosynthetic process|cellular bud site selection pyridoxal kinase activity cytoplasm YNL062C GCD10 het FT RNA PROCESSING|TRANSLATION|NUCLEUS 0.01045436501945 0.545498420998298 1720 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 YHR111W UBA4 hom FT RNA PROCESSING|CELL DIVISION|RESPONSE TO OXIDATIVE STRESS 0.0104180631287606 0.546654840265425 1721 Protein that activates Urm1p before its conjugation to proteins (urmylation); also acts in thiolation of the wobble base of cytoplasmic tRNAs by adenylating and then thiolating Urm1p; receives sulfur from Tum1p cellular response to oxidative stress|tRNA wobble position uridine thiolation|cell budding|protein urmylation|tRNA thio-modification|Unknown|invasive growth in response to glucose limitation URM1 activating enzyme activity|sulfurtransferase activity|thiosulfate sulfurtransferase activity|protein adenylyltransferase activity cytoplasm YPR023C EAF3 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME|HISTONE ACETYLTRANSFERASE 0.0104049382207872 0.546980726394312 1722 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 YOR006C TSR3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.010400560547599 0.547149395515713 1723 Protein required for 20S pre-rRNA processing; involved in processing of the 20S pre-rRNA at site D to generate mature 18S rRNA; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and the nucleus; relative distribution to the nucleus increases upon DNA replication stress maturation of SSU-rRNA molecular_function nucleus|cytoplasm YLR144C ACF2 hom FT CELL WALL ORG/BIOGENESIS|CYTOSKELETON ORGANIZATION 0.0103862261381857 0.547701871691398 1724 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 YLR443W ECM7 hom FT ION HOMEOSTASIS|CELL WALL ORG/BIOGENESIS|ION HOMEOSTASIS 0.0103683519480167 0.548391163950838 1725 Non-essential putative integral membrane protein with a role in calcium uptake; mutant has cell wall defects and Ca+ uptake deficiencies; transcription is induced under conditions of zinc deficiency fungal-type cell wall organization|calcium ion transport molecular_function integral to membrane YJR150C DAN1 hom 0.010364561812356 0.54853738005868 1726 Cell wall mannoprotein with similarity to Tir1p, Tir2p, Tir3p, and Tir4p; expressed under anaerobic conditions, completely repressed during aerobic growth sterol transport molecular_function fungal-type cell wall YER121W_p YER121W hom 0.0103598727388521 0.548957010359628 1727 Putative protein of unknown function; may be involved in phosphatase regulation and/or generation of precursor metabolites and energy biological_process molecular_function cellular_component YBR029C CDS1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0103476010669136 0.549191928456186 1728 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 YPR178W PRP4 het FT RNA PROCESSING|NUCLEUS 0.0103433464261603 0.549535013673837 1729 Splicing factor, component of the U4/U6-U5 snRNP complex mRNA splicing, via spliceosome molecular_function U4/U6 x U5 tri-snRNP complex YEL060C PRB1 hom FT PROTEOLYSIS|RESPONSE TO NUTRIENT LEVELS 0.0103373709628332 0.549586914321737 1730 Vacuolar proteinase B (yscB); serine protease of the subtilisin family; involved in protein degradation in the vacuole and required for full protein degradation during sporulation; activity inhibited by Pbi2p; protein abundance increases in response to DNA replication stress vacuolar protein catabolic process|sporulation resulting in formation of a cellular spore|cellular response to starvation serine-type endopeptidase activity fungal-type vacuole lumen|fungal-type vacuole YOL123W HRP1 het FT RNA PROCESSING|NUCLEUS 0.0103339812807726 0.549717821326854 1731 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 YER039C HVG1 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0103133161665278 0.550516224833204 1732 Protein of unknown function, has homology to Vrg4p biological_process molecular_function integral to membrane YGR146C ECL1 hom 0.0103055092602587 0.550817995649138 1733 Protein of unknown function; mitochondrial-dependent role in the extension of chronological lifespan; overexpression increases oxygen consumption and respiratory activity while deletion results in reduced oxygen consumption under conditions of caloric restriction; induced by iron homeostasis transcription factor Aft2p; multicopy suppressor of temperature sensitive hsf1 mutant; induced by treatment with 8-methoxypsoralen and UVA irradiation biological_process molecular_function cellular_component YEL013W VAC8 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.0102899855915876 0.551418294435076 1734 Phosphorylated and palmitoylated vacuolar membrane protein that interacts with Atg13p, required for the cytoplasm-to-vacuole targeting (Cvt) pathway; interacts with Nvj1p to form nucleus-vacuole junctions piecemeal microautophagy of nucleus|vacuole inheritance|CVT vesicle assembly|vacuole fusion, non-autophagic|macroautophagy|nucleus-vacuole junction assembly protein anchor fungal-type vacuole membrane|nucleus-vacuole junction|Myo2p-Vac17p-Vac8p transport complex YER101C AST2 hom FT PROTEIN LOCALIZATION|OXIDATION-REDUCTION PROCESS 0.0102870912574609 0.551530253601454 1735 Lipid raft associated protein; overexpression restores Pma1p localization to lipid rafts which is required for targeting of Pma1p to the plasma membrane; sometimes classified in the medium-chain dehydrogenase/reductases (MDRs) superfamily; AST2 has a paralog, AST1, that arose from the whole genome duplication protein targeting to membrane molecular_function cytoplasm YKL056C TMA19 hom FT TRANSLATION|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION|CYTOSKELETON 0.0102728525969025 0.552081198632922 1736 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 YOR027W STI1 hom 0.0102697286767966 0.552202110469832 1737 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 YNL047C SLM2 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|SIGNALING|CYTOSKELETON ORGANIZATION|PLASMA MEMBRANE 0.0102679877017636 0.553577267985538 1738 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 YOL054W PSH1 hom FT PROTEOLYSIS|NUCLEUS|CHROMOSOME 0.010266217147393 0.55233804029899 1739 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 YBL070C_d YBL070C hom 0.0102644877009057 0.55240499247937 1740 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YOL100W PKH2 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|RNA PROCESSING|SIGNALING|CELL WALL ORG/BIOGENESIS|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0102493171464209 0.552992461765323 1741 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 YOL032W OPI10 hom FT LIPID METABOLISM|CARBOHYDRATE METABOLISM|NUCLEUS 0.0102429693623188 0.553238366168784 1742 Protein with a possible role in phospholipid biosynthesis; null mutant displays an inositol-excreting phenotype that is suppressed by exogenous choline; protein abundance increases in response to DNA replication stress inositol metabolic process molecular_function nucleus|cytoplasm YEL035C_p UTR5 het 0.0102251603858278 0.554402139537694 1743 Protein of unknown function; transcription may be regulated by Gcr1p; essential for growth under standard (aerobic) conditions but not under anaerobic conditions biological_process molecular_function cellular_component YGL230C_p YGL230C hom 0.0102224121599109 0.554035091308402 1744 Putative protein of unknown function; non-essential gene biological_process molecular_function cellular_component YDR236C FMN1 het FT NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0102181703106278 0.554613727627632 1745 Riboflavin kinase, produces riboflavin monophosphate (FMN); FMN is a necessary cofactor for many enzymes; predominantly localizes to the microsomal fraction and also found in the mitochondrial inner membrane FMN biosynthetic process riboflavin kinase activity|FMN adenylyltransferase activity intracellular membrane-bounded organelle|mitochondrial inner membrane YGR139W_d YGR139W hom 0.0102059837822196 0.554672200984921 1746 Dubious ORF unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR221C RSA3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.0101865471487055 0.555426436128363 1747 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 YLL040C VPS13 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|MITOCHONDRION|GOLGI APPARATUS 0.0101858356336656 0.555454055841145 1748 Protein of unknown function; heterooligomeric or homooligomeric complex; peripherally associated with membranes; involved in sporulation, vacuolar protein sorting, prospore membrane formation and protein-Golgi retention; homologous to human CHAC and COH1 which are involved in chorea acanthocytosis and Cohen syndrome, respectively protein retention in Golgi apparatus|late endosome to vacuole transport|protein targeting to vacuole|ascospore-type prospore membrane assembly molecular_function endosome|mitochondrion|prospore membrane|extrinsic to membrane YLR017W MEU1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.0101509952423401 0.556807315712454 1749 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 YER143W DDI1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|PLASMA MEMBRANE 0.0101346652440058 0.557442152831132 1750 DNA damage-inducible v-SNARE binding protein with a role in suppression of protein secretion; may play a role in S-phase checkpoint control; has ubiquitin-associated (UBA), ubiquitin-like (UBL), and retroviral-like proteinase (RVP) domains vesicle-mediated transport|protein secretion|ubiquitin-dependent protein catabolic process ubiquitin binding|SNARE binding|aspartic-type endopeptidase activity plasma membrane YAL015C NTG1 hom FT RESPONSE TO DNA DAMAGE|MITOCHONDRION ORGANIZATION|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.010116568386609 0.558146088676649 1751 DNA N-glycosylase and apurinic/apyrimidinic (AP) lyase; involved in base excision repair; acts in both nucleus and mitochondrion; creates a double-strand break at mtDNA origins that stimulates replication in response to oxidative stress; NTG1 has a paralog, NTG2, that arose from the whole genome duplication DNA repair|cellular response to oxidative stress|base-excision repair|base-excision repair, AP site formation|positive regulation of mitochondrial DNA replication oxidized pyrimidine nucleobase lesion DNA N-glycosylase activity|oxidized purine nucleobase lesion DNA N-glycosylase activity|DNA-(apurinic or apyrimidinic site) lyase activity mitochondrion|nucleus YGL190C CDC55 hom FT CELL CYCLE|SIGNALING|NUCLEUS|SITE OF POLARIZED GROWTH 0.0100944263012424 0.559007964048243 1752 Non-essential regulatory subunit B of protein phosphatase 2A (PP2A); localization to the cytoplasm requires Zds1p and Zds2p and promotes mitotic entry; localization to the nucleus prevents mitotic exit; required for correct nuclear division and chromosome segregation in meiosis; maintains nucleolar sequestration of Cdc14p during early meiosis; limits formation of PP2A-Rts1p holocomplexes to ensure timely dissolution of sister chromosome cohesion negative regulation of exit from mitosis|positive regulation of G2/M transition of mitotic cell cycle|cell shape checkpoint|protein dephosphorylation protein phosphatase type 2A regulator activity nucleus|cellular bud neck|cytoplasm|cellular bud tip YLR147C SMD3 het FT RNA PROCESSING|NUCLEUS 0.0100800739076857 0.559918786485167 1753 Core Sm protein Sm D3; part of heteroheptameric complex (with Smb1p, Smd1p, Smd2p, Sme1p, Smx3p, and Smx2p) that is part of the spliceosomal U1, U2, U4, and U5 snRNPs; homolog of human Sm D3 mRNA splicing, via spliceosome mRNA binding commitment complex|U1 snRNP|U2-type prespliceosome|U4/U6 x U5 tri-snRNP complex|U5 snRNP YPL199C_p YPL199C hom 0.0100678619199233 0.560042827847388 1754 Putative protein of unknown function, predicted to be palmitoylated biological_process molecular_function cytoplasm YPR127W YPR127W hom FT OXIDATION-REDUCTION PROCESS|NUCLEUS 0.010067212188223 0.560068150953427 1755 Putative pyridoxine 4-dehydrogenase; differentially expressed during alcoholic fermentation; expression activated by transcription factor YRM1/YOR172W; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and the nucleus biological_process molecular_function nucleus|cytoplasm YBR265W TSC10 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.0100616035995893 0.560286767143049 1756 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 YKL017C HCS1 hom FT NUCLEUS|CHROMOSOME 0.0100465546144287 0.560873563044302 1757 Hexameric DNA polymerase alpha-associated DNA helicase A involved in lagging strand DNA synthesis; contains single-stranded DNA stimulated ATPase and dATPase activities; replication protein A stimulates helicase and ATPase activities lagging strand elongation ATP-dependent 5'-3' DNA helicase activity DNA helicase A complex|alpha DNA polymerase:primase complex YDL224C WHI4 hom 0.0100318379411137 0.561447688763692 1758 Putative RNA binding protein; regulates the cell size requirement for passage through Start and commitment to cell division; WHI4 has a paralog, WHI3, that arose from the whole genome duplication regulation of cell size RNA binding cytoplasm YBL089W AVT5 hom 0.0100089425139566 0.562341447827021 1759 Putative transporter; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters; AVT5 has a paralog, AVT6, that arose from the whole genome duplication transport transporter activity integral to membrane YKL065C YET1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0100002252246973 0.562681921385306 1760 Endoplasmic reticulum transmembrane protein; may interact with ribosomes, based on co-purification experiments; homolog of human BAP31 protein biological_process molecular_function ribosome|integral to membrane|endoplasmic reticulum|endoplasmic reticulum membrane YAL036C RBG1 hom FT TRANSLATION|RIBOSOME 0.00999604663880342 0.56284516081656 1761 Member of the DRG family of GTP-binding proteins; associates with translating ribosomes; interacts with Tma46p, Ygr250cp, Gir2p and Yap1p via two-hybrid cytoplasmic translation GTP binding polysomal ribosome|polysome|cytoplasm YOL015W IRC10 hom 0.00998717216678752 0.563424984992168 1762 Putative protein of unknown function; null mutant displays increased levels of spontaneous Rad52p foci biological_process molecular_function cellular_component YCR024C-A PMP1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00998222376494839 0.563385323922657 1763 Regulatory subunit for the plasma membrane H(+)-ATPase Pma1p; small single-membrane span proteolipid; forms unique helix and positively charged cytoplasmic domain that is able to specifically segregate phosphatidylserines; PMP1 has a paralog, PMP2, that arose from the whole genome duplication cation transport enzyme regulator activity plasma membrane|membrane YJL120W_d YJL120W hom FF 0.00996643978836948 0.5640024273174 1764 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 YHR143W DSE2 hom FF|FT CELL WALL ORG/BIOGENESIS|CELL DIVISION 0.00994718893946428 0.564755514608463 1765 Daughter cell-specific secreted protein with similarity to glucanases, degrades cell wall from the daughter side causing daughter to separate from mother; expression is repressed by cAMP cytokinesis, completion of separation|pseudohyphal growth glucosidase activity extracellular region|fungal-type cell wall YKR019C IRS4 hom FF|FT LIPID METABOLISM|SIGNALING|CELL WALL ORG/BIOGENESIS|RESPONSE TO NUTRIENT LEVELS|GENE SILENCING|MITOCHONDRION 0.00993180384790964 0.565938561177599 1766 EH domain-containing protein; involved in regulating phosphatidylinositol 4,5-bisphosphate levels and autophagy; Irs4p and Tax4p bind and activate the PtdIns phosphatase Inp51p; Irs4p and Tax4p are involved in localizing Atg17p to the PAS; IRS4 has a paralog, TAX4, that arose from the whole genome duplication autophagy|fungal-type cell wall organization|chromatin silencing at rDNA|inositol lipid-mediated signaling|CVT pathway|cellular response to starvation molecular_function mitochondrion|pre-autophagosomal structure YOR207C RET1 het FF|FT NUCLEUS 0.00992248801124761 0.565722514946205 1767 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 YGR119C NUP57 het FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00992239276654892 0.565900265130271 1768 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 Nup49p) NLS-bearing substrate import into nucleus|protein import into nucleus|nuclear pore organization|protein targeting to nuclear inner membrane nucleocytoplasmic transporter activity|structural constituent of nuclear pore nuclear pore central transport channel|integral to membrane|nuclear pore YFR004W RPN11 het FT PROTEOLYSIS|MITOCHONDRION ORGANIZATION|PEROXISOME ORGANIZATION|NUCLEUS|MITOCHONDRION 0.00991358508683569 0.566825631020632 1769 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 YLR048W RPS0B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.00990082043399072 0.566571418516764 1770 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 YJR119C JHD2 hom FT CHROMATIN ORGANIZATION|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.00989997590811161 0.566604518149827 1771 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 YNL300W_p TOS6 hom 0.00988650405698261 0.567132647778804 1772 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 YLR378C SEC61 het FT PROTEIN LOCALIZATION|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00988202033643637 0.567308472905399 1773 Essential subunit of Sec61 complex (Sec61p, Sbh1p, and Sss1p); forms a channel for SRP-dependent protein import and retrograde transport of misfolded proteins out of the ER; with Sec63 complex allows SRP-independent protein import into ER posttranslational protein targeting to membrane, translocation|retrograde protein transport, ER to cytosol|ER-associated protein catabolic process|SRP-dependent cotranslational protein targeting to membrane, translocation|peptide transport peptide transporter activity|P-P-bond-hydrolysis-driven protein transmembrane transporter activity|signal sequence binding integral to membrane|Sec61 translocon complex YPR190C RPC82 het FT NUCLEUS 0.00986713278149326 0.567950240184581 1774 RNA polymerase III subunit C82 tRNA transcription from RNA polymerase III promoter DNA-directed RNA polymerase activity DNA-directed RNA polymerase III complex YER084W_p YER084W hom 0.00986116433913491 0.568184419540031 1775 Protein of unknown function; expressed at both mRNA and protein levels biological_process molecular_function cellular_component YBR079C RPG1 het FT TRANSLATION 0.00983567295966737 0.569127471727602 1776 eIF3a subunit of the core complex of translation initiation factor 3 (eIF3), essential for translation; part of a Prt1p-Rpg1p-Nip1p subcomplex that stimulates binding of mRNA and tRNA(i)Met to ribosomes; involved in translation reinitiation translation reinitiation|translational initiation translation initiation factor activity incipient cellular bud site|eukaryotic translation initiation factor 3 complex|cytoplasmic stress granule|cytoplasm YLR288C MEC3 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|GENE SILENCING|NUCLEUS|CHROMOSOME 0.00983290782036217 0.569236083293648 1777 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 YMR192W GYL1 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|NUCLEOTIDE METABOLISM|MITOCHONDRION|GOLGI APPARATUS|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.00982333946592724 0.569669598418065 1778 Putative GTPase activating protein (GAP) with a role in exocytosis; stimulates Gyp5p GAP activity on Ypt1p, colocalizes with Gyp5p at sites of polarized growth; interacts with Gyp5p, Rvs161p, and Rvs167p; involved in recruiting Rvs167p to the bud tip during polarized growth; increases in abundance and relocalizes from bud neck to cytoplasm upon DNA replication stress ER to Golgi vesicle-mediated transport|regulation of exocytosis protein binding mitochondrion|incipient cellular bud site|cellular bud|cellular bud neck|cellular bud tip|cytoplasm|Golgi-associated vesicle|plasma membrane YDR538W PAD1 hom FT KETONE METABOLISM|MITOCHONDRION 0.00981710003159217 0.569857185330403 1779 Phenylacrylic acid decarboxylase, confers resistance to cinnamic acid, decarboxylates aromatic carboxylic acids to the corresponding vinyl derivatives; also has mRNA binding activity; homolog of E. coli UbiX cinnamic acid catabolic process|aromatic compound catabolic process mRNA binding|carboxy-lyase activity mitochondrion YCR019W MAK32 hom 0.0098147884132979 0.569948037934125 1780 Protein necessary for structural stability of L-A double-stranded RNA-containing particles interspecies interaction between organisms molecular_function cellular_component YFL002C SPB4 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00979250664126594 0.57082412330086 1781 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 YNL113W RPC19 het FT NUCLEUS 0.00979046346023608 0.570904490142418 1782 RNA polymerase subunit AC19, common to RNA polymerases I and III tRNA transcription from RNA polymerase III promoter|transcription from RNA polymerase I promoter DNA-directed RNA polymerase activity DNA-directed RNA polymerase I complex|DNA-directed RNA polymerase III complex YOL136C PFK27 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.00978824069169269 0.571049392007649 1783 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 YHR094C HXT1 hom FT PLASMA MEMBRANE 0.00978389574828375 0.571162862147751 1784 Low-affinity glucose transporter of the major facilitator superfamily, expression is induced by Hxk2p in the presence of glucose and repressed by Rgt1p when glucose is limiting; HXT1 has a paralog, HXT6, what arose from the whole genome duplication mannose transport|glucose transport galactose transmembrane transporter activity|pentose transmembrane transporter activity|mannose transmembrane transporter activity|glucose transmembrane transporter activity|fructose transmembrane transporter activity integral to membrane|plasma membrane YNL112W DBP2 het FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 0.0097741414021369 0.571833854893087 1785 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 YDR212W TCP1 het 0.00977228904059811 0.571619602844981 1786 Alpha subunit of chaperonin-containing T-complex, which mediates protein folding in the cytosol; involved in actin cytoskeleton maintenance; overexpression in neurons suppresses formation of pathogenic conformations of huntingtin protein protein folding unfolded protein binding plasma membrane|chaperonin-containing T-complex YIL011W TIR3 hom 0.00971234945030166 0.574152587937072 1787 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 YKR099W BAS1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00968605250989385 0.581013108452712 1788 Myb-related transcription factor involved in regulating basal and induced expression of genes of the purine and histidine biosynthesis pathways; also involved in regulation of meiotic recombination at specific genes positive regulation of transcription from RNA polymerase II promoter core promoter sequence-specific DNA binding|sequence-specific DNA binding|sequence-specific DNA binding RNA polymerase II transcription factor activity|RNA polymerase II transcription factor recruiting transcription factor activity nucleus YJL181W_p YJL181W hom 0.00967455379980063 0.575700596039699 1789 Putative protein of unknown function; expression is cell-cycle regulated as shown by microarray analysis; potential regulatory target of Mbp1p, which binds to the YJL181W promoter region; YJL181W has a paralog, YJR030C, that arose from the whole genome duplication biological_process molecular_function cellular_component YCL033C MXR2 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.00965916580157766 0.576479089838325 1790 Methionine-R-sulfoxide reductase, involved in the response to oxidative stress; protects iron-sulfur clusters from oxidative inactivation along with MXR1; involved in the regulation of lifespan cellular response to oxidative stress peptide-methionine (R)-S-oxide reductase activity mitochondrion YGL256W ADH4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00964329883952809 0.576877881615427 1791 Alcohol dehydrogenase isoenzyme type IV, dimeric enzyme demonstrated to be zinc-dependent despite sequence similarity to iron-activated alcohol dehydrogenases; transcription is induced in response to zinc deficiency fermentation|amino acid catabolic process to alcohol via Ehrlich pathway alcohol dehydrogenase (NAD) activity mitochondrion YGR072W UPF3 hom FT NUCLEUS 0.00963931798286163 0.577205914345244 1792 Component of the nonsense-mediated mRNA decay (NMD) pathway, along with Nam7p and Nmd2p; involved in decay of mRNA containing nonsense codons; involved in telomere maintenance nuclear-transcribed mRNA catabolic process, 3'-5' exonucleolytic nonsense-mediated decay|translational frameshifting|protein ubiquitination molecular_function nucleolus|nucleus|polysome|cytoplasm YER018C SPC25 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.00961348881516131 0.577885991323052 1793 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 YER060W FCY21 hom 0.00959466271729758 0.578631021731959 1794 Putative purine-cytosine permease, very similar to Fcy2p but cannot substitute for its function transmembrane transport nucleobase transmembrane transporter activity integral to membrane YKL015W PUT3 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|AMINO ACID METABOLISM|NUCLEUS 0.00958659820254048 0.578950307557742 1795 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 YDR489W SLD5 het FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.0095846448254285 0.57902765702983 1796 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 YNL292W PUS4 hom FT RNA PROCESSING|NUCLEUS|MITOCHONDRION 0.00958062266901038 0.579186940924788 1797 Pseudouridine synthase, catalyzes only the formation of pseudouridine-55 (Psi55), a highly conserved tRNA modification, in mitochondrial and cytoplasmic tRNAs; PUS4 overexpression leads to translational derepression of GCN4 (Gcd- phenotype) tRNA modification pseudouridine synthase activity mitochondrion|nucleus YGR210C_p YGR210C hom 0.00955710436370443 0.580118715196343 1798 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm biological_process molecular_function cytoplasm YJL074C SMC3 het FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0095483768657664 0.580464669459403 1799 Subunit of the multiprotein cohesin complex required for sister chromatid cohesion in mitotic cells; also required, with Rec8p, for cohesion and recombination during meiosis; phylogenetically conserved SMC chromosomal ATPase family member synaptonemal complex assembly|ascospore formation|reciprocal meiotic recombination|mitotic sister chromatid cohesion|meiotic sister chromatid cohesion ATPase activity nucleus|nuclear mitotic cohesin complex YDR289C RTT103 hom FT RNA PROCESSING|NUCLEUS|CHROMOSOME 0.00952866406492682 0.581246431715325 1800 Protein that interacts with exonuclease Rat1p and Rai1p and plays a role in transcription termination by RNA polymerase II, has an RPR domain (carboxy-terminal domain interacting domain); also involved in regulation of Ty1 transposition negative regulation of transposition, RNA-mediated|mRNA 3'-end processing RNA polymerase II core binding nuclear chromatin|site of double-strand break YBR087W RFC5 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.0095043994689816 0.5822093826344 1801 Subunit of heteropentameric Replication factor C (RF-C), which is a DNA binding protein and ATPase that acts as a clamp loader of the proliferating cell nuclear antigen (PCNA) processivity factor for DNA polymerases delta and epsilon mismatch repair|sister chromatid cohesion|leading strand elongation DNA clamp loader activity Elg1 RFC-like complex|Rad17 RFC-like complex|DNA replication factor C complex|Ctf18 RFC-like complex YER173W RAD24 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00949848698883029 0.582444134745359 1802 Checkpoint protein, involved in the activation of the DNA damage and meiotic pachytene checkpoints; subunit of a clamp loader that loads Rad17p-Mec3p-Ddc1p onto DNA; homolog of human and S. pombe Rad17 protein reciprocal meiotic recombination|DNA damage checkpoint|nucleotide-excision repair DNA clamp loader activity Rad17 RFC-like complex|nucleus YLL045C RPL8B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.0094941372442877 0.58261686740463 1803 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 YLR194C YLR194C hom FT CELL WALL ORG/BIOGENESIS|PLASMA MEMBRANE 0.00948848458721917 0.583122719586574 1804 Structural constituent of the cell wall attached to the plasma membrane by a GPI-anchor; expression is upregulated in response to cell wall stress fungal-type cell wall organization structural constituent of cell wall fungal-type cell wall|anchored to plasma membrane YJR015W_p YJR015W hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00944405757169609 0.584607299955813 1805 Putative protein of unknown function; localizes to the endoplasmic reticulum and cytoplasm; predicted to encode a membrane transporter based on phylogenetic analysis; YJR015W is a non-essential gene biological_process molecular_function integral to membrane|endoplasmic reticulum|cytoplasm YJL190C RPS22A hom FT TRANSLATION|RIBOSOME 0.0094410850657224 0.584725542475058 1806 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S15A and bacterial S8; RPS22A has a paralog, RPS22B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic small ribosomal subunit YHL028W WSC4 hom FT PROTEIN LOCALIZATION|CELL WALL ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00941386061068541 0.58608880457482 1807 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 YJL123C MTC1 hom FT GOLGI APPARATUS 0.00941062792117968 0.585937729017135 1808 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 YBR211C AME1 het FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.00939017222543896 0.586808351593287 1809 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 YOL101C IZH4 hom FT LIPID METABOLISM|ION HOMEOSTASIS|ION HOMEOSTASIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00938354728779649 0.587016509146928 1810 Membrane protein involved in zinc ion homeostasis; member of the four-protein IZH family; expression induced by fatty acids and altered zinc levels; deletion reduces sensitivity to excess zinc; possible role in sterol metabolism; protein increases in abundance and relocalizes from nucleus to ER upon DNA replication stress cellular zinc ion homeostasis|cellular lipid metabolic process metal ion binding integral to membrane|membrane YIL146C ATG32 hom FT CELL WALL ORG/BIOGENESIS|MITOCHONDRION 0.00934476390247418 0.588563077630034 1811 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 YMR316C-A_p YMR316C-A hom 0.00931778629637911 0.589639974113367 1812 Protein of unknown function; mRNA identified as translated by ribosome profiling data; overlaps the verified gene DIA1/YMR316W biological_process molecular_function cellular_component YMR145C NDE1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.00930351129072105 0.59021017319574 1813 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 YLL058W_p YLL058W hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.00929993295259206 0.590353145674212 1814 Putative protein of unknown function with similarity to Str2p, which is a cystathionine gamma-synthase important in sulfur metabolism; YLL058W is not an essential gene sulfur compound metabolic process cystathionine gamma-synthase activity cellular_component YHR200W RPN10 hom FT PROTEOLYSIS 0.00929281420093351 0.59063762273762 1815 Non-ATPase base subunit of the 19S regulatory particle (RP) of the 26S proteasome; N-terminus plays a role in maintaining the structural integrity of the RP; binds selectively to polyubiquitin chains; homolog of the mammalian S5a protein ubiquitin-dependent protein catabolic process structural molecule activity|polyubiquitin binding proteasome complex|proteasome regulatory particle, base subcomplex YML088W UFO1 hom FT RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.00927538563972107 0.591334362822722 1816 F-box receptor protein, subunit of the Skp1-Cdc53-F-box receptor (SCF) E3 ubiquitin ligase complex; binds to phosphorylated Ho endonuclease, allowing its ubiquitylation by SCF and subsequent degradation SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|cellular response to methylmercury|response to DNA damage stimulus ubiquitin-protein ligase activity|protein binding, bridging SCF ubiquitin ligase complex|nucleus|cytoplasm YKL086W SRX1 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.00926875141290175 0.591599677917892 1817 Sulfiredoxin; contributes to oxidative stress resistance by reducing cysteine-sulfinic acid groups in the peroxiredoxin Tsa1p, which is formed upon exposure to oxidants; conserved in higher eukaryotes; protein abundance increases in response to DNA replication stress cellular response to oxidative stress sulfiredoxin activity nucleus|cytoplasm YDR525W_d API2 hom 0.00925247390307532 0.592471963804224 1818 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 YMR037C MSN2 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|RESPONSE TO NUTRIENT LEVELS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.00922755317179034 0.593248494659638 1819 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 YDR432W NPL3 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|NUCLEUS 0.00920463454126467 0.594662485507514 1820 RNA-binding protein; promotes elongation, regulates termination, and carries poly(A) mRNA from nucleus to cytoplasm; has a role in repressing translation initiation by binding eIF4G; required for pre-mRNA splicing; dissociation from mRNAs promoted by Mtr10p; phosphorylated by Sky1p in the cytoplasm; protein abundance increases in response to DNA replication stress translational termination|mRNA export from nucleus|negative regulation of translation|mRNA splicing, via spliceosome|Unknown|positive regulation of transcription elongation from RNA polymerase II promoter mRNA binding|RNA polymerase II core binding|eukaryotic initiation factor 4G binding|poly(A) RNA binding nucleus|cytoplasm YNL230C ELA1 hom FT PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.00919351620876496 0.594612291084783 1821 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 YGR103W NOP7 het FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00918281868150322 0.595041216214716 1822 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 YMR197C VTI1 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00916510216854368 0.595751883061035 1823 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 YHR072W ERG7 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.00915129199700824 0.596306122027436 1824 Lanosterol synthase, an essential enzyme that catalyzes the cyclization of squalene 2,3-epoxide, a step in ergosterol biosynthesis ergosterol biosynthetic process lanosterol synthase activity endoplasmic reticulum|lipid particle|plasma membrane YGL007W_d BRP1 hom FF 0.00914790565778455 0.596442060672833 1825 Dubious ORF located in the upstream region of PMA1, deletion leads to polyamine resistance due to downregulation of PMA1 Unknown Unknown Unknown YOL018C TLG2 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT|GOLGI APPARATUS 0.0091319238298797 0.598015794045516 1826 Syntaxin-like t-SNARE that forms a complex with Tlg1p and Vti1p and mediates fusion of endosome-derived vesicles with the late Golgi; binds Vps45p, which prevents Tlg2p degradation and also facilitates t-SNARE complex formation; homologous to mammalian SNARE protein syntaxin 16 (Sx16) inositolphosphoceramide metabolic process|Golgi to vacuole transport|endocytosis|mannosyl-inositol phosphorylceramide metabolic process|protein exit from endoplasmic reticulum|vesicle fusion|CVT pathway SNAP receptor activity SNARE complex|trans-Golgi network|integral to endosome membrane YBR227C MCX1 hom FT MITOCHONDRION 0.00912830179635524 0.597229300349246 1827 Mitochondrial matrix protein; putative ATP-binding chaperone with non-proteolytic function; similar to bacterial ClpX proteins protein refolding molecular_function mitochondrion|mitochondrial matrix YLR131C ACE2 hom FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CELL DIVISION|NUCLEUS 0.00912693357624806 0.59777709172247 1828 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 YBR157C ICS2 hom 0.00911843669551383 0.597625635494272 1829 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 YOR172W YRM1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00911472556867532 0.597774762708998 1830 Zn2-Cys6 zinc-finger transcription factor that activates genes involved in multidrug resistance; paralog of Yrr1p, acting on an overlapping set of target genes regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding|nucleic acid binding transcription factor activity nucleus|cytoplasm YDR102C_d YDR102C hom 0.00909027738339344 0.598757605991467 1831 Dubious open reading frame; homozygous diploid deletion strain exhibits high budding index Unknown Unknown Unknown YMR205C PFK2 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|MITOCHONDRION 0.00908616543027904 0.599086635205924 1832 Beta subunit of heterooctameric phosphofructokinase involved in glycolysis, indispensable for anaerobic growth, activated by fructose-2,6-bisphosphate and AMP, mutation inhibits glucose induction of cell cycle-related genes proton transport|glycolysis mRNA binding|6-phosphofructokinase activity mitochondrion|6-phosphofructokinase complex|cytoplasm YIL165C_p YIL165C hom 0.00907955363279117 0.599188943265634 1833 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 YDL141W BPL1 het FT NUCLEUS 0.00906069454601745 0.599947846208571 1834 Biotin:apoprotein ligase, covalently modifies proteins with the addition of biotin, required for acetyl-CoA carboxylase (Acc1p) holoenzyme formation protein biotinylation biotin-[pyruvate-carboxylase] ligase activity|biotin-[acetyl-CoA-carboxylase] ligase activity nucleus|cytoplasm YLR148W PEP3 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|VACUOLAR TRANSPORT 0.00905613767802193 0.600403435407014 1835 Component of CORVET tethering complex; vacuolar peripheral membrane protein that promotes vesicular docking/fusion reactions in conjunction with SNARE proteins, required for vacuolar biogenesis regulation of SNARE complex assembly|regulation of vacuole fusion, non-autophagic|vacuole fusion, non-autophagic|late endosome to vacuole transport|vesicle docking involved in exocytosis|Golgi to endosome transport phosphatidylinositol binding|protein binding, bridging fungal-type vacuole membrane|HOPS complex|proteasome storage granule|CORVET complex|extrinsic to vacuolar membrane YMR140W SIP5 hom FT RESPONSE TO NUTRIENT LEVELS 0.00905332033035953 0.600244708031876 1836 Protein of unknown function; interacts with both the Reg1p/Glc7p phosphatase and the Snf1p kinase; forms cytoplasmic foci upon DNA replication stress cellular response to glucose starvation molecular_function cytoplasm YHR183W GND1 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.00903194777643896 0.601377096434745 1837 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 YLR345W_p YLR345W hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.00900610130776718 0.602147163408799 1838 Similar to 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase enzymes responsible for the metabolism of fructoso-2,6-bisphosphate; mRNA expression is repressed by the Rfx1p-Tup1p-Ssn6p repressor complex; YLR345W is not an essential gene regulation of glycolysis|fructose 2,6-bisphosphate metabolic process 6-phosphofructo-2-kinase activity cytoplasm YDR151C CTH1 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|NUCLEUS 0.0089997012572702 0.60240523047579 1839 Member of the CCCH zinc finger family; has similarity to mammalian Tis11 protein, which activates transcription and also has a role in mRNA degradation; may function with Tis11p in iron homeostasis nuclear-transcribed mRNA catabolic process|cellular iron ion homeostasis mRNA binding nucleus YIL046W MET30 het FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|PROTEOLYSIS|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.00899710559079596 0.602564060519783 1840 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 YLR058C SHM2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|SITE OF POLARIZED GROWTH 0.00898200728560264 0.603227138545162 1841 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 YGL031C RPL24A hom FT TRANSLATION|RIBOSOME 0.00897416668565553 0.603435347694612 1842 Ribosomal 60S subunit protein L24A; not essential for translation but may be required for normal translation rate; homologous to mammalian ribosomal protein L24, no bacterial homolog; RPL24A has a paralog, RPL24B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YHR018C ARG4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.00896840228533267 0.603668004963361 1843 Argininosuccinate lyase, catalyzes the final step in the arginine biosynthesis pathway arginine biosynthetic process via ornithine argininosuccinate lyase activity cytosol YKL143W LTV1 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.00895482334921053 0.604216224327055 1844 Component of the GSE complex, which is required for proper sorting of amino acid permease Gap1p; required for ribosomal small subunit export from nucleus; required for growth at low temperature ribosomal small subunit biogenesis|cellular response to oxidative stress|response to osmotic stress|ribosomal small subunit export from nucleus molecular_function preribosome, small subunit precursor|EGO complex|nucleus|late endosome membrane|cytoplasm YGL236C MTO1 hom FT RNA PROCESSING|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00893931155461704 0.604842751797565 1845 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 YHR203C RPS4B hom FT TRANSLATION|RIBOSOME 0.00892452234592184 0.605440364767593 1846 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 YMR203W TOM40 het FF|FT PROTEIN LOCALIZATION|ION HOMEOSTASIS|MITOCHONDRION ORGANIZATION|ION HOMEOSTASIS|MITOCHONDRION 0.00892354294760136 0.605803068906896 1847 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 YOR304C-A_p YOR304C-A hom FT SITE OF POLARIZED GROWTH 0.00891693547395767 0.605962297736862 1848 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 YOR256C TRE2 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEOLYSIS|VACUOLAR TRANSPORT 0.00891041169367965 0.606010804476289 1849 Transferrin receptor-like protein; functions with Tre1p to regulate ubiquitylation and vacuolar degradation of the metal transporter Smf1p; inviability of null mutant in systematic studies is due to proximity to CDC31; TRE2 has a paralog, TRE1, 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 cellular_component YIL021W RPB3 het FF|FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|RNA POL II, HOLOENZYME 0.00890639887544122 0.606388139145819 1850 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 YDR248C_p YDR248C hom FT KETONE METABOLISM|CARBOHYDRATE METABOLISM 0.0088918811045408 0.606760290231793 1851 Putative gluconokinase; sequence similarity to bacterial and human gluconokinase; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; upregulated by deletion of the RNAP-II associated factor, PAF1 biological_process molecular_function cytoplasm YNL128W TEP1 hom FT CELL WALL ORG/BIOGENESIS 0.00886600189653875 0.607861261789643 1852 PTEN homolog with no demonstrated inositol lipid phosphatase activity; plays a role in normal sporulation; homolog of human tumor suppressor gene PTEN/MMAC1/TEP1 and fission yeast ptn1 ascospore wall assembly|phosphatidylinositol dephosphorylation molecular_function cytoplasm YIR007W_p YIR007W hom FT CARBOHYDRATE METABOLISM 0.00885755921831703 0.608149561030081 1853 Putative glycosidase; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm; YIR007W is a non-essential gene biological_process molecular_function cytoplasm YER096W SHC1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.00885593243915709 0.608215444460796 1854 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 YJR102C VPS25 hom FF|FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|PROTEOLYSIS|VACUOLAR TRANSPORT|RESPONSE TO NUTRIENT LEVELS 0.00883987673507644 0.609026257581658 1855 Component of the ESCRT-II complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome 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 structural molecule activity ESCRT II complex YMR028W TAP42 het FT SIGNALING 0.00883360739382322 0.609119914345275 1856 Essential protein involved in the TOR signaling pathway; physically associates with the protein phosphatase 2A and the SIT4 protein phosphatase catalytic subunits TOR signaling cascade|positive regulation of transcription from RNA polymerase I promoter molecular_function cytosol|extrinsic to membrane YOR048C RAT1 het FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|MITOCHONDRION 0.00882815103095239 0.60950130321092 1857 Nuclear 5' to 3' single-stranded RNA exonuclease, involved in RNA metabolism, including rRNA and snRNA processing as well as poly (A+) dependent and independent mRNA transcription termination termination of RNA polymerase II transcription, exosome-dependent|nuclear mRNA surveillance|termination of RNA polymerase II transcription, poly(A)-coupled|rRNA processing|RNA processing 5'-3' exoribonuclease activity mitochondrion|nucleus YKR046C PET10 hom FT OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.00882556546687003 0.609445868917534 1858 Protein of unknown function that co-purifies with lipid particles; expression pattern suggests a role in respiratory growth; computational analysis of large-scale protein-protein interaction data suggests a role in ATP/ADP exchange aerobic respiration molecular_function lipid particle YFL022C FRS2 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.00879470218063481 0.610697535446753 1859 Alpha subunit of cytoplasmic phenylalanyl-tRNA synthetase, forms a tetramer with Frs1p to form active enzyme; evolutionarily distant from mitochondrial phenylalanyl-tRNA synthetase based on protein sequence, but substrate binding is similar phenylalanyl-tRNA aminoacylation phenylalanine-tRNA ligase activity phenylalanine-tRNA ligase complex|cytoplasm YER026C CHO1 hom FT LIPID METABOLISM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.00878150564562447 0.611233071088416 1860 Phosphatidylserine synthase, functions in phospholipid biosynthesis; catalyzes the reaction CDP-diaclyglycerol + L-serine = CMP + L-1-phosphatidylserine, transcriptionally repressed by myo-inositol and choline phosphatidylserine biosynthetic process CDP-diacylglycerol-serine O-phosphatidyltransferase activity mitochondrial outer membrane|integral to membrane|endoplasmic reticulum YKR043C SHB17 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.00875578781352258 0.612277337341772 1861 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 YHR199C AIM46 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.00873055650564663 0.613302614060078 1862 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 YDR209C_d YDR209C hom 0.00872722530728466 0.613649893141717 1863 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps uncharacterized gene YDR210W. Unknown Unknown Unknown YIL055C_p YIL055C hom 0.00871409312909417 0.613972013077613 1864 Putative protein of unknown function biological_process molecular_function cellular_component YMR155W_p YMR155W hom 0.00869607206547811 0.614705116277475 1865 Putative protein of unknown function; identified as interacting with Hsp82p in a high-throughput two-hybrid screen biological_process molecular_function integral to membrane YMR184W ADD37 hom FT PROTEOLYSIS 0.00869359010092978 0.614806113635376 1866 Protein of unknown function; involved in ER-associated protein degradation; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and is induced in response to the DNA-damaging agent MMS; YMR184W is not an essential gene; protein abundance increases in response to DNA replication stress ER-associated protein catabolic process molecular_function cytoplasm YAL049C AIM2 hom 0.00869297428555773 0.614831173836495 1867 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 YDR157W_d YDR157W hom 0.00868843448863438 0.615015931747453 1868 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YIR022W SEC11 het FT PROTEIN LOCALIZATION|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00866481788966816 0.615977459376792 1869 18kDa catalytic subunit of the Signal Peptidase Complex (SPC; Spc1p, Spc2p, Spc3p, and Sec11p) which cleaves the signal sequence of proteins targeted to the endoplasmic reticulum signal peptide processing|protein targeting to ER peptidase activity signal peptidase complex|endoplasmic reticulum YLR277C YSH1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.00863460071228988 0.617208684513956 1870 Putative endoribonuclease; subunit of the mRNA cleavage and polyadenylation specificity complex; required for 3' processing, splicing, and transcriptional termination of mRNAs and snoRNAs; protein abundance increases in response to DNA replication stress; YSH1 has a paralog, SYC1, that arose from the whole genome duplication termination of RNA polymerase II transcription|mRNA cleavage|mRNA polyadenylation|RNA splicing|snoRNA splicing|snoRNA 3'-end processing endoribonuclease activity|RNA binding mRNA cleavage factor complex|mRNA cleavage and polyadenylation specificity factor complex YMR164C MSS11 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|NUCLEUS 0.00862507253787921 0.617597141607691 1871 Transcription factor involved in regulation of invasive growth and starch degradation; controls the activation of FLO11 and STA2 in response to nutritional signals 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 transcription factor activity involved in positive regulation of transcription nucleus YNL301C RPL18B hom FT TRANSLATION|RIBOSOME 0.00861132598796462 0.618157767366506 1872 Ribosomal 60S subunit protein L18B; homologous to mammalian ribosomal protein L18, no bacterial homolog; RPL18B has a paralog, RPL18A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YBR237W PRP5 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.00860851361407736 0.618272491857335 1873 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 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 0.00860401479458927 0.618456030459962 1874 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 YJR125C ENT3 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CYTOSKELETON ORGANIZATION|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS|CYTOSKELETON 0.00859885623895104 0.618666513642631 1875 Protein containing an N-terminal epsin-like domain involved in clathrin recruitment and traffic between the Golgi and endosomes; associates with the clathrin adaptor Gga2p late endosome to vacuole transport via multivesicular body sorting pathway|early endosome to Golgi transport|actin filament organization|endocytosis|actin cortical patch assembly|Golgi to endosome transport protein binding|phosphatidylinositol-3,5-bisphosphate binding|phosphatidylinositol-3-phosphate binding clathrin vesicle coat|actin cortical patch YHR186C KOG1 het FT SIGNALING|RESPONSE TO NUTRIENT LEVELS|MITOCHONDRION|PLASMA MEMBRANE 0.00859475132512547 0.618834027701316 1876 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 YMR073C IRC21 hom FF 0.00857709635797786 0.6199731200928 1877 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 YJR020W_d YJR020W hom 0.00857346949603436 0.619702817586363 1878 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL146W LDB17 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.00856442370835267 0.620072255430526 1879 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 YOR155C ISN1 hom FT NUCLEOTIDE METABOLISM 0.00855431722334522 0.620485126466559 1880 Inosine 5'-monophosphate (IMP)-specific 5'-nucleotidase, catalyzes the breakdown of IMP to inosine, does not show similarity to known 5'-nucleotidases from other organisms nicotinamide riboside biosynthetic process|inosine salvage|nicotinic acid riboside biosynthetic process IMP 5'-nucleotidase activity cellular_component YGR149W_p YGR149W hom 0.00855127628766911 0.62060937845024 1881 Putative protein of unknown function; predicted to be an integal membrane protein biological_process molecular_function integral to membrane YLR398C SKI2 hom FT TRANSLATION 0.00854015655088873 0.621063820641993 1882 Ski complex component and putative RNA helicase, mediates 3'-5' RNA degradation by the cytoplasmic exosome; null mutants have superkiller phenotype of increased viral dsRNAs and are synthetic lethal with mutations in 5'-3' mRNA decay 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 RNA helicase activity Ski complex YNL121C TOM70 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00852277572340524 0.621774431053477 1883 Component of the TOM (translocase of outer membrane) complex; involved in the recognition and initial import steps for all mitochondrially directed proteins; acts as a receptor for incoming precursor proteins; TOM70 has a paralog, TOM71, that arose from the whole genome duplication protein import into mitochondrial matrix|protein import into mitochondrial inner membrane mitochondrion targeting sequence binding|protein channel activity mitochondrial outer membrane|mitochondrion|integral to membrane|integral to mitochondrial outer membrane|mitochondrial outer membrane translocase complex YDR056C_p YDR056C hom FT ENDOPLASMIC RETICULUM 0.00851941496334944 0.621911875518652 1884 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 YGR276C RNH70 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00851363187955664 0.622304365665286 1885 3'-5' exoribonuclease; required for maturation of 3' ends of 5S rRNA and tRNA-Arg3 from dicistronic transcripts U5 snRNA 3'-end processing|generation of mature 3'-end of 5S rRNA generated by RNA polymerase III|exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|tRNA 3'-trailer cleavage, exonucleolytic 3'-5'-exoribonuclease activity|3'-5' exonuclease activity nucleus YOR336W KRE5 het FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOPLASMIC RETICULUM 0.0084833047532696 0.623389499841383 1886 Protein required for beta-1,6 glucan biosynthesis; mutations result in aberrant morphology and severe growth defects (1->6)-beta-D-glucan biosynthetic process UDP-glucose:glycoprotein glucosyltransferase activity endoplasmic reticulum YPR131C NAT3 hom FT MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION 0.00847050065030469 0.623913806316998 1887 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 YDR032C PST2 hom FT OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.00842962544961081 0.62564043413614 1888 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 YLR263W RED1 hom FT CELL CYCLE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.00841410681477853 0.6262253031202 1889 Protein component of the synaptonemal complex axial elements, involved in chromosome segregation during the first meiotic division; critical for coupling checkpoint signaling to SC formation; interacts with Hop1p, Mec3p and Ddc1p synaptonemal complex assembly|meiotic recombination checkpoint|positive regulation of catalytic activity chromatin DNA binding|structural molecule activity lateral element YPL061W ALD6 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEOTIDE METABOLISM|COFACTOR METABOLISM|MITOCHONDRION 0.00839206612076508 0.627129717617012 1890 Cytosolic aldehyde dehydrogenase, activated by Mg2+ and utilizes NADP+ as the preferred coenzyme; required for conversion of acetaldehyde to acetate; constitutively expressed; locates to the mitochondrial outer surface upon oxidative stress response to salt stress|NADPH regeneration|acetate biosynthetic process aldehyde dehydrogenase [NAD(P)+] activity cytosol|mitochondrion YOL066C RIB2 het FT RNA PROCESSING 0.00838809174247447 0.62744705802623 1891 Bifunctional enzyme with DRAP deaminase and tRNA:pseudouridine synthase activity; the deaminase catalyzes the third step in riboflavin biosynthesis and the synthase catalyzes formation of pseudouridine at position 32 in cytoplasmic tRNAs riboflavin biosynthetic process|tRNA pseudouridine synthesis pseudouridine synthase activity|2,5-diamino-6-ribitylamino-4(3H)-pyrimidinone 5'-phosphate deaminase activity cytoplasm YNL229C URE2 hom FF|FT PROTEIN LOCALIZATION 0.00838136787346806 0.627568909984931 1892 Nitrogen catabolite repression transcriptional regulator that acts by inhibition of GLN3 transcription in good nitrogen source; has glutathione peroxidase activity and can mutate to acquire GST activity; altered form creates [URE3] prion regulation of nitrogen utilization|response to aluminum ion|protein urmylation|cytoplasmic sequestering of transcription factor glutathione peroxidase activity|phosphoprotein binding|transcription corepressor activity cytosol YOL116W MSN1 hom FT TRANSCRIPTION FROM RNA POL II|CARBOHYDRATE METABOLISM|NUCLEUS 0.00838134992849228 0.627569646786218 1893 Transcriptional activator; involved in regulation of invertase and glucoamylase expression, invasive growth and pseudohyphal differentiation, iron uptake, chromium accumulation, and response to osmotic stress; localizes to the nucleus; 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 methylglyoxal|positive regulation of transcription from RNA polymerase II promoter in response to increased salt|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 sequence-specific DNA binding nucleus YOR045W TOM6 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00837428221151827 0.627859868450987 1894 Component of the TOM (translocase of outer membrane) complex responsible for recognition and initial import steps for all mitochondrially directed proteins; promotes assembly and stability of the TOM complex mitochondrial outer membrane translocase complex assembly|protein import into mitochondrial matrix protein channel activity mitochondrion|integral to membrane|mitochondrial outer membrane translocase complex YLR222C UTP13 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00835042104539583 0.628840104330304 1895 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) snoRNA binding small-subunit processome|nucleolus|Pwp2p-containing subcomplex of 90S preribosome|90S preribosome 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 0.00834171871545303 0.629197765958066 1896 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 YPL213W LEA1 hom FT RNA PROCESSING|NUCLEUS 0.00834065328921235 0.629241560447529 1897 Component of U2 snRNP; disruption causes reduced U2 snRNP levels; physically interacts with Msl1p; putative homolog of human U2A' snRNP protein mRNA splicing, via spliceosome molecular_function U2 snRNP|U2-type prespliceosome|cytoplasm YPL238C_d YPL238C het FF 0.00832896953926101 0.629875271512351 1898 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data; partially overlaps 5' end of the verified essential gene SUI3/YPL237W Unknown Unknown Unknown YOR005C DNL4 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|NUCLEUS|CHROMOSOME 0.0083053993710389 0.630691411871013 1899 DNA ligase required for nonhomologous end-joining (NHEJ), forms stable heterodimer with required cofactor Lif1p, interacts with Nej1p; involved in meiosis, not essential for vegetative growth double-strand break repair via nonhomologous end joining|replicative cell aging DNA ligase (ATP) activity DNA ligase IV complex|nuclear chromatin YML068W ITT1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION 0.00829713443060113 0.631031521534263 1900 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 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 0.00829422758203748 0.631151159516032 1901 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 YGL201C MCM6 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00828469892336531 0.631594303660611 1902 Protein involved in DNA replication; component of the Mcm2-7 hexameric complex that binds chromatin as a part of the pre-replicative complex; forms a subcomplex with Mcm4p and Mcm7p S phase of mitotic cell cycle|DNA strand elongation involved in DNA replication|DNA unwinding involved in replication|double-strand break repair via break-induced replication|pre-replicative complex assembly|DNA replication initiation four-way junction helicase activity|DNA helicase activity|DNA replication origin binding|single-stranded DNA-dependent ATPase activity|ATP-dependent 3'-5' DNA helicase activity replication fork protection complex|DNA replication preinitiation complex|nucleus|pre-replicative complex|cytoplasm|MCM complex YGR206W MVB12 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|VACUOLAR TRANSPORT 0.00827355681501298 0.632002190539477 1903 ESCRT-I subunit required to stabilize oligomers of the ESCRT-I core complex (Stp22p, Vps28p, Srn2p), which is involved in ubiquitin-dependent sorting of proteins into the endosome; deletion mutant is sensitive to rapamycin and nystatin negative regulation of protein complex assembly|protein targeting to vacuole|endosome transport via multivesicular body sorting pathway ubiquitin binding cytosol|endosome|ESCRT I complex YPL057C SUR1 hom FT LIPID METABOLISM 0.00826722978279406 0.632262776722475 1904 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 YHL046C PAU13 hom 0.00825913100184437 0.632596401057584 1905 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 YIL104C SHQ1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|NUCLEUS 0.00825528905834079 0.632805457099043 1906 Chaperone protein required for the assembly of box H/ACA snoRNPs and thus for pre-rRNA processing, forms a complex with Naf1p and interacts with H/ACA snoRNP components Nhp2p and Cbf5p; homology with known Hsp90p cochaperones box H/ACA snoRNP assembly unfolded protein binding nucleoplasm YKL081W TEF4 hom FT TRANSLATION|MITOCHONDRION|RIBOSOME 0.00824438151714473 0.633204189060747 1907 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 YDL204W RTN2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.0082371711185712 0.633501401003046 1908 Reticulon protein; stabilizes membrane curvature; involved in nuclear pore assembly and maintenance of tubular ER morphology; interacts with exocyst subunit Sec6p, Yip3p, and Sbh1p; much less abundant than Rtn1p; rtn1 rtn2 yop1 triple mutant lacks tubular ER; member of RTNLA (reticulon-like A) subfamily; protein increases in abundance and relocalizes to plasma membrane upon DNA replication stress; RTN2 has a paralog, RTN1, that arose from the whole genome duplication endoplasmic reticulum tubular network organization|endoplasmic reticulum tubular network maintenance molecular_function endoplasmic reticulum|cortical endoplasmic reticulum|endoplasmic reticulum tubular network YEL030W ECM10 hom FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00823340637025247 0.633707266493686 1909 Heat shock protein of the Hsp70 family; localized in mitochondrial nucleoids, plays a role in protein translocation, interacts with Mge1p in an ATP-dependent manner; overexpression induces extensive mitochondrial DNA aggregations; ECM10 has a paralog, SSC1, that arose from the whole genome duplication protein refolding|protein targeting to mitochondrion molecular_function mitochondrial nucleoid|mitochondrion YDL015C TSC13 het FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.00820858613633989 0.63468025270386 1910 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 YGR143W SKN1 hom FT LIPID METABOLISM|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM 0.00818921250348074 0.635479753171971 1911 Protein involved in sphingolipid biosynthesis; type II membrane protein with similarity to Kre6p fungal-type cell wall organization|(1->6)-beta-D-glucan biosynthetic process|sphingolipid biosynthetic process glucosidase activity integral to membrane YKR004C ECM9 het FT CELL WALL ORG/BIOGENESIS 0.00818666023346683 0.635585110548035 1912 Non-essential protein of unknown function fungal-type cell wall organization molecular_function cellular_component YPR126C_d YPR126C hom 0.00818643407853556 0.63645310693572 1913 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YHR039C MSC7 hom FT CELL CYCLE|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM 0.00816840775855869 0.636641019080351 1914 Protein of unknown function, green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; msc7 mutants are defective in directing meiotic recombination events to homologous chromatids reciprocal meiotic recombination molecular_function integral to membrane|endoplasmic reticulum YCR035C RRP43 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00816595211111271 0.63644021160809 1915 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 YGL147C RPL9A hom FT TRANSLATION|RIBOSOME 0.00815952429376889 0.636705734210297 1916 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 YJL048C UBX6 hom FT PROTEOLYSIS|NUCLEUS 0.00815752160668749 0.636788471464107 1917 UBX (ubiquitin regulatory X) domain-containing protein; interacts with Cdc48p, transcription is repressed when cells are grown in media containing inositol and choline; UBX6 has a paralog, UBX7, that arose from the whole genome duplication sporulation resulting in formation of a cellular spore|ubiquitin-dependent protein catabolic process molecular_function nucleus YPL155C KIP2 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|MITOCHONDRION|CYTOSKELETON 0.00814285334482411 0.637394601096652 1918 Kinesin-related motor protein involved in mitotic spindle positioning, stabilizes microtubules by targeting Bik1p to the plus end; Kip2p levels are controlled during the cell cycle nuclear migration along microtubule|mitotic anaphase B|negative regulation of microtubule depolymerization microtubule motor activity mitochondrion|kinesin complex|cytoplasmic microtubule YOR001W RRP6 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|RNA LOCALIZATION|NUCLEUS 0.00812778801887619 0.638268254927731 1919 Nuclear exosome exonuclease component; has 3'-5' exonuclease activity; involved in RNA processing, maturation, surveillance, degradation, tethering, and export; has similarity to E. coli RNase D and to human PM-Sc1 100 (EXOSC10); mutant displays reduced transcription elongation in the G-less-based run-on (GLRO) assay nuclear polyadenylation-dependent rRNA catabolic process|nuclear polyadenylation-dependent snRNA catabolic process|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|histone mRNA catabolic process|nuclear polyadenylation-dependent antisense transcript catabolic process|U1 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)|U5 snRNA 3'-end processing|nuclear polyadenylation-dependent tRNA catabolic process|nuclear polyadenylation-dependent CUT catabolic process|nuclear polyadenylation-dependent snoRNA catabolic process|nuclear retention of pre-mRNA at the site of transcription|nuclear polyadenylation-dependent mRNA catabolic process|U4 snRNA 3'-end processing|nuclear retention of pre-mRNA with aberrant 3'-ends at the site of transcription 3'-5'-exoribonuclease activity nucleolus|nucleus|nuclear exosome (RNase complex) YER178W PDA1 hom FT KETONE METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|MITOCHONDRION 0.00812757413358821 0.638026234580107 1920 E1 alpha subunit of the pyruvate dehydrogenase (PDH) complex, catalyzes the direct oxidative decarboxylation of pyruvate to acetyl-CoA; phosphorylated; regulated by glucose acetyl-CoA biosynthetic process from pyruvate pyruvate dehydrogenase (acetyl-transferring) activity mitochondrial nucleoid|mitochondrion|mitochondrial pyruvate dehydrogenase complex YBR270C_p BIT2 hom 0.00811992233120434 0.638342654298195 1921 Subunit of TORC2 membrane-associated complex; involved in regulation of actin cytoskeletal dynamics during polarized growth and cell wall integrity; interacts with Slm1p and Slm2p, homologous PH domain-containing TORC2 substrates; BIT2 has a paralog, BIT61, that arose from the whole genome duplication biological_process molecular_function cellular_component YBR164C ARL1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|SIGNALING|VACUOLAR TRANSPORT|GOLGI APPARATUS 0.00809091337936924 0.639542839169912 1922 Soluble GTPase with a role in regulation of membrane traffic; regulates potassium influx; G protein of the Ras superfamily, similar to ADP-ribosylation factor Golgi to plasma membrane protein transport|vesicle-mediated transport|protein targeting to vacuole GTPase activity trans-Golgi network|cytosol|Golgi apparatus YLR452C SST2 hom FT SIGNALING|PLASMA MEMBRANE 0.00805678985959816 0.640955836526835 1923 GTPase-activating protein for Gpa1p, regulates desensitization to alpha factor pheromone; also required to prevent receptor-independent signaling of the mating pathway; member of the RGS (regulator of G-protein signaling) family adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion|signal transduction GTPase activator activity plasma membrane YMR153W NUP53 hom FT PROTEIN LOCALIZATION|CELL CYCLE|CELL DIVISION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.0080332326393316 0.641932060998258 1924 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 YGR033C TIM21 hom FT PROTEIN LOCALIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00802855563976921 0.642125952178014 1925 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 YOR311C DGK1 hom FT VESICLE-MEDIATED TRANSPORT|KETONE METABOLISM|LIPID METABOLISM|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00801871558002201 0.64258359205637 1926 Diacylglycerol kinase, localized to the endoplasmic reticulum (ER); overproduction induces enlargement of ER-like membrane structures and suppresses a temperature-sensitive sly1 mutation; contains a CTP transferase domain phosphatidic acid biosynthetic process diacylglycerol kinase activity integral to endoplasmic reticulum membrane|integral to membrane YGL056C SDS23 hom FT CELL DIVISION|NUCLEUS 0.0079575778990948 0.645120744490769 1927 One of two S. cerevisiae homologs (Sds23p and Sds24p) of the S. pombe Sds23 protein, which is implicated in APC/cyclosome regulation; involved in cell separation during budding; SDS23 has a paralog, SDS24, that arose from the whole genome duplication cytokinetic cell separation molecular_function nucleus|cytoplasm YOR082C_d YOR082C hom 0.00794701259786916 0.645510335498171 1928 Dubious open reading frame unlikely to encode a protein, based on experimental and comparative sequence data; partially overlaps the verified gene YOR083W Unknown Unknown Unknown YKL021C MAK11 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|ENDOMEMBRANE SYSTEM|NUCLEUS 0.00794343690976826 0.645658910500424 1929 Protein involved in an early, nucleolar step of 60S ribosomal subunit biogenesis; essential for cell growth and replication of killer M1 dsRNA virus; contains four beta-transducin repeats ribosomal large subunit assembly|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 membrane YPR132W RPS23B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.00793778574179309 0.645893753507227 1930 Ribosomal protein 28 (rp28) of the small (40S) ribosomal subunit, required for translational accuracy; homologous to mammalian ribosomal protein S23 and bacterial S12; RPS23B has a paralog, RPS23A, that arose from the whole genome duplication; deletion of both RPS23A and RPS23B is lethal maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|regulation of translational fidelity structural constituent of ribosome cytosolic small ribosomal subunit YKL063C_p YKL063C hom FT GOLGI APPARATUS 0.00792357192965853 0.646484586347679 1931 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the Golgi biological_process molecular_function Golgi apparatus YPL185W_d YPL185W hom 0.00790115230994099 0.647416967169657 1932 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene UIP4/YPL186C Unknown Unknown Unknown YKR038C KAE1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|PROTEOLYSIS|NUCLEUS|CHROMOSOME 0.00788925706922113 0.647911887838518 1933 Highly conserved ATPase of HSP70/DnaK family; component of the EKC/KEOPS complex with Bud32p, Cgi121p, Pcc1p, and Gon7p; EKC/KEOPS complex is required for t6A tRNA modification and may have roles in telomere maintenance and transcription chromosome organization|threonylcarbamoyladenosine metabolic process|telomere maintenance|positive regulation of transcription from RNA polymerase II promoter chromatin DNA binding nuclear chromatin|EKC/KEOPS complex|nucleus|cytoplasm YDR477W SNF1 hom FT KETONE METABOLISM|SIGNALING|TRANSLATION|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|ENDOMEMBRANE SYSTEM|NUCLEUS|MITOCHONDRION 0.00787833672852897 0.648366383201035 1934 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 YHR088W RPF1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00786992917347479 0.648814196648557 1935 Nucleolar protein involved in the assembly and export of the large ribosomal subunit; constituent of 66S pre-ribosomal particles; contains a sigma(70)-like motif, which is thought to bind RNA maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal large subunit assembly|ribosomal large subunit export from nucleus|maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) rRNA primary transcript binding nucleolus|preribosome, large subunit precursor YML131W YML131W hom FT OXIDATION-REDUCTION PROCESS 0.00786323827983069 0.648994983597729 1936 Protein of unknown function; similar to medium chain dehydrogenase/reductases; expression induced by stresses including osmotic shock, DNA damaging agents, and other chemicals; GFP-fusion protein localizes to the cytoplasm; protein abundance increases in response to DNA replication stress biological_process molecular_function cytoplasm YPL085W SEC16 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00782514464209101 0.650582063087311 1937 COPII vesicle coat protein required for ER transport vesicle budding; Sec16p is bound to the periphery of ER membranes and may act to stabilize initial COPII complexes; interacts with Sec23p, Sec24p and Sec31p COPII vesicle coating protein anchor ER to Golgi transport vesicle membrane YLR460C_p YLR460C hom FT OXIDATION-REDUCTION PROCESS 0.00781191424315502 0.651133646947373 1938 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 YNL097C PHO23 hom FT TRANSCRIPTION FROM RNA POL II|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.0078115130212276 0.651150377132881 1939 Probable component of the Rpd3 histone deacetylase complex, involved in transcriptional regulation of PHO5; affects termination of snoRNAs and cryptic unstable transcripts (CUTs); C-terminus has similarity to human candidate tumor suppressor p33(ING1) and its isoform ING3 positive regulation of transcription from RNA polymerase II promoter in response to heat stress|negative regulation of chromatin silencing at silent mating-type cassette|negative regulation of transcription from RNA polymerase I promoter|negative regulation of chromatin silencing at telomere|negative regulation of chromatin silencing at rDNA|chromatin modification|positive regulation of transcription from RNA polymerase II promoter methylated histone residue binding histone deacetylase complex|Rpd3L-Expanded complex|nucleus|Rpd3L complex YJR118C ILM1 hom FF|FT MITOCHONDRION ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00780611749009296 0.651375377499011 1940 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 YGL214W_d YGL214W hom 0.00777169449424784 0.65281160578707 1941 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; deletion mutation phenotype is likely due to the overlapping verified ORF SKI8/YGL213C Unknown Unknown Unknown YIL133C RPL16A hom FT TRANSLATION|RIBOSOME 0.00776912557504516 0.652918840306784 1942 Ribosomal 60S subunit protein L16A; N-terminally acetylated, binds 5.8 S rRNA; transcriptionally regulated by Rap1p; homologous to mammalian ribosomal protein L13A and bacterial L13; RPL16A has a paralog, RPL16B, 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 YNL050C_p YNL050C hom 0.00776488349313018 0.653095933430175 1943 Putative protein of unknown function; YNL050c is not an essential gene biological_process molecular_function cellular_component YJL039C NUP192 het FT PROTEIN LOCALIZATION|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00775850780665125 0.653894445528564 1944 Essential subunit of the inner ring of the nuclear pore complex (NPC); contributes to nucleocytoplasmic transport; homologous to human NUP205 nucleocytoplasmic transport|nuclear pore organization structural constituent of nuclear pore integral to membrane|nuclear pore nuclear basket|nuclear pore|nuclear pore inner ring YIL142W CCT2 het 0.00775430149392395 0.653537782621179 1945 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 YER027C GAL83 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|SIGNALING|PROTEIN PHOSPHORYLATION|ENDOMEMBRANE SYSTEM|NUCLEUS 0.00773175564192065 0.654479584871146 1946 One of three possible beta-subunits of the Snf1 kinase complex, allows nuclear localization of the Snf1 kinase complex in the presence of a nonfermentable carbon source; contains glycogen-binding domain signal transduction|cell adhesion|protein phosphorylation|invasive growth in response to glucose limitation|regulation of protein complex assembly AMP-activated protein kinase activity AMP-activated protein kinase complex|nucleus|nuclear envelope lumen|cytoplasm YGL066W SGF73 hom FT TRANSCRIPTION FROM RNA POL II|PROTEIN COMPLEX ORG/BIOGENESIS|CHROMATIN ORGANIZATION|RNA LOCALIZATION|NUCLEUS|HISTONE ACETYLTRANSFERASE 0.00772497158354951 0.654763081356046 1947 SAGA complex subunit; has a role in anchoring the deubiquitination module into SAGA and SLIK complexes; involved in preinitiation complex assembly at promoters; human ortholog ataxin-7 is associated with spinocerebellar ataxia diseases; mutant displays reduced transcription elongation in the G-less-based run-on (GLRO) assay histone deubiquitination|mRNA export from nucleus|histone acetylation|positive regulation of RNA polymerase II transcriptional preinitiation complex assembly|protein complex assembly|chromatin modification histone acetyltransferase activity|enzyme activator activity|structural molecule activity DUBm complex|SLIK (SAGA-like) complex|SAGA complex YBR145W ADH5 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|NUCLEUS 0.00772054083718236 0.654948263029681 1948 Alcohol dehydrogenase isoenzyme V; involved in ethanol production; ADH5 has a paralog, ADH1, that arose from the whole genome duplication NADH oxidation|ethanol biosynthetic process involved in glucose fermentation to ethanol|amino acid catabolic process to alcohol via Ehrlich pathway alcohol dehydrogenase (NAD) activity nucleus|cytoplasm YBR244W GPX2 hom FT OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.00771847331761309 0.65503468163128 1949 Phospholipid hydroperoxide glutathione peroxidase; protects cells from phospholipid hydroperoxides and nonphospholipid peroxides during oxidative stress; induced by glucose starvation; protein abundance increases in response to DNA replication stress cellular response to oxidative stress phospholipid-hydroperoxide glutathione peroxidase activity|glutathione peroxidase activity extrinsic to mitochondrial inner membrane|extrinsic to mitochondrial outer membrane|nucleus|cytoplasm YLL019C KNS1 hom FT PROTEIN PHOSPHORYLATION 0.00771324880115284 0.655253077608825 1950 Protein kinase involved in negative regulation of PolIII transcription; effector kinase of the TOR signaling pathway and phosphorylates Rpc53p to regulate ribosome and tRNA biosynthesis; member of the LAMMER family of protein kinases, which are serine/threonine kinases also capable of phosphorylating tyrosine residues; capable of autophosphorylation negative regulation of transcription from RNA polymerase III promoter|protein autophosphorylation|protein phosphorylation protein serine/threonine kinase activity|protein tyrosine kinase activity|protein kinase activity nucleus|cytoplasm YPL055C LGE1 hom FT CHROMATIN ORGANIZATION|NUCLEUS 0.00770858348203993 0.655448122854263 1951 Protein of unknown function; null mutant forms abnormally large cells, and homozygous diploid null mutant displays delayed premeiotic DNA synthesis and reduced efficiency of meiotic nuclear division histone methylation|protein monoubiquitination|regulation of cell size|histone ubiquitination|premeiotic DNA replication molecular_function nucleus YOR080W DIA2 hom FT CELL CYCLE|PROTEOLYSIS|NUCLEUS|CHROMOSOME|UBIQUITIN LIGASE COMPLEX 0.00770404520009928 0.655637879538661 1952 Origin-binding F-box protein; forms an SCF ubiquitin ligase complex with Skp1p and Cdc53p; plays a role in DNA replication; plays a role in transcription; required for correct assembly of RSC complex, correct RSC-mediated transcription regulation, and correct nucleosome positioning; involved in invasive and pseudohyphal growth; required to target Cdc6p for ubiquitin-mediated destruction during G1 phase SCF-dependent proteasomal ubiquitin-dependent protein catabolic process|regulation of DNA replication|invasive growth in response to glucose limitation|protein ubiquitination ubiquitin-protein ligase activity|DNA replication origin binding SCF ubiquitin ligase complex|nucleus|nuclear replication fork YDR030C RAD28 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS 0.00770185759190946 0.655729356733673 1953 Protein involved in DNA repair, related to the human CSA protein that is involved in transcription-coupled repair nucleotide excision repair DNA repair molecular_function nucleus YER010C YER010C hom 0.00770062276174928 0.655780994767538 1954 Protein of unknown function, forms a ring-shaped homotrimer; has similarity to members of the prokaryotic rraA family; possibly involved in a phosphotransfer reaction biological_process molecular_function cellular_component YDR498C SEC20 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00770046451537105 0.655883738953572 1955 Membrane glycoprotein v-SNARE involved in retrograde transport from the Golgi to the ER; required for N- and O-glycosylation in the Golgi but not in the ER; interacts with the Dsl1p complex through Tip20p retrograde vesicle-mediated transport, Golgi to ER|vesicle fusion with endoplasmic reticulum SNAP receptor activity SNARE complex|integral to membrane|endoplasmic reticulum|peroxisome YNL335W_p DDI3 hom 0.00767453133013902 0.656920397543084 1956 Protein of unknown function; expression is induced over 100-fold by DNA damage; induction decreased in rad6 and rad18 mutants biological_process molecular_function cellular_component YNR013C PHO91 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS 0.00766727801392013 0.657176024010451 1957 Low-affinity phosphate transporter of the vacuolar membrane; deletion of pho84, pho87, pho89, pho90, and pho91 causes synthetic lethality; transcription independent of Pi and Pho4p activity; overexpression results in vigorous growth phosphate ion transport|polyphosphate metabolic process phosphate ion transmembrane transporter activity fungal-type vacuole membrane|integral to membrane|membrane YBR214W SDS24 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|CELL DIVISION 0.00764810736696389 0.65797859905188 1958 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 YDR122W KIN1 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN PHOSPHORYLATION|PLASMA MEMBRANE 0.00763179110624683 0.658661986387708 1959 Serine/threonine protein kinase involved in regulation of exocytosis; localizes to the cytoplasmic face of the plasma membrane; closely related to Kin2p protein autophosphorylation|exocytosis|protein phosphorylation protein serine/threonine kinase activity|protein kinase activity internal side of plasma membrane|plasma membrane YGR197C SNG1 hom FT PLASMA MEMBRANE 0.00763057972156513 0.658712735180242 1960 Protein involved in resistance to nitrosoguanidine (MNNG) and 6-azauracil (6-AU); expression is regulated by transcription factors involved in multidrug resistance nucleobase-containing compound transport molecular_function integral to membrane|plasma membrane YPL236C ENV7 hom FT PROTEIN PHOSPHORYLATION|VACUOLAR PROTEIN PROCESSING 0.00761874725350504 0.659256166601098 1961 Vacuolar membrane protein kinase; negatively regulates membrane fusion; associates with vacuolar membrane through palmitoylation of one or more cysteines in consensus sequence; vacuolar membrane association is essential to its kinase activity; mutant shows defect in CPY processing; ortholog of human serine/threonine kinase 16 (STK16) vacuolar protein processing protein serine/threonine kinase activity fungal-type vacuole membrane YBR184W_p YBR184W hom 0.00760712982892108 0.659695435789994 1962 Putative protein of unknown function; YBR184W is not an essential gene biological_process molecular_function cellular_component YKL137W CMC1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00759805275996514 0.66007598082684 1963 Evolutionarily conserved copper-binding protein of the mitochondrial intermembrane space, may be involved in delivering copper from the matrix to the cytochrome c oxidase complex; contains a twin CX9C motif mitochondrial respiratory chain complex IV assembly copper ion binding extrinsic to mitochondrial inner membrane|mitochondrial intermembrane space YBR016W YBR016W hom FT PLASMA MEMBRANE 0.00759576639200662 0.660171847876678 1964 Tail-anchored plasma membrane protein with a conserved CYSTM module; predicted to be palmitoylated; has similarity to hydrophilins, which are involved in the adaptive response to hyperosmotic conditions; YBR016W has a paralog, YDL012C, that arose from the whole genome duplication biological_process molecular_function cellular bud membrane|plasma membrane|mating projection membrane YDR123C INO2 hom FT TRANSCRIPTION FROM RNA POL II|LIPID METABOLISM|NUCLEUS 0.00756619934590969 0.661412091317097 1965 Component of the heteromeric Ino2p/Ino4p basic helix-loop-helix transcription activator that binds inositol/choline-responsive elements (ICREs), required for derepression of phospholipid biosynthetic genes in response to inositol depletion phospholipid biosynthetic process|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 YLL044W_d YLL044W hom 0.00756247877323432 0.661568223402805 1966 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 YLR022C SDO1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|NUCLEUS 0.00755153990357608 0.662027353135833 1967 Essential protein involved in ribosome maturation; with Ria1p, promotes release of Tif6p from 60S ribosomal subunits in the cytoplasm so that they can assemble with 40S subunits to generate mature ribosomes; ortholog of the human protein (SBDS) responsible for autosomal recessive Shwachman-Bodian-Diamond Syndrome; highly conserved across archaea and eukaryotes mature ribosome assembly molecular_function nucleus|preribosome, large subunit precursor|polysome|cytoplasm YML029W USA1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|UBIQUITIN LIGASE COMPLEX 0.0075503866621727 0.662170379786813 1968 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 YOR164C GET4 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.00754454228039683 0.662321126249488 1969 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 YPR008W HAA1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00749928848555294 0.664222216499481 1970 Transcriptional activator involved in adaptation to weak acid stress; activates transcription of TPO2, YRO2, and other genes encoding membrane stress proteins; HAA1 has a paralog, CUP2, that arose from the whole genome duplication; relocalizes from cytoplasm to nucleus upon DNA replication stress response to acid|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 transcription factor activity nucleus YNR067C DSE4 hom FT CELL WALL ORG/BIOGENESIS|CELL DIVISION 0.00748775325714327 0.664707152133408 1971 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 YPL126W NAN1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|CHROMOSOME 0.00747263536050284 0.66534291387751 1972 U3 snoRNP protein, component of the small (ribosomal) subunit (SSU) processosome containing U3 snoRNA; required for the biogenesis of18S 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|RENT complex|90S preribosome YKR027W BCH2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|MITOCHONDRION|GOLGI APPARATUS 0.00746112863738778 0.665826974103054 1973 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 YHL014C YLF2 hom FT MITOCHONDRION 0.00744793715268082 0.666382079465608 1974 Protein of unknown function, has weak similarity to E. coli GTP-binding protein gtp1; the authentic, non-tagged protein is detected in highly purified mitochondria in high-throughput studies biological_process GTP binding mitochondrion YJR054W KCH1 hom 0.00742560577735795 0.66732221302255 1975 Potassium transporter that mediates K+ influx; activates the high-affinity Ca2+ influx system (HACS) during the mating pheromone response; expression is up-regulated in response to alpha factor; localized to sites of polarized growth; similar to Prm6p; member of a fungal-specific gene family; potential Cdc28p substrate biological_process molecular_function integral to membrane|fungal-type vacuole YOR261C RPN8 het FT PROTEOLYSIS 0.00741008009708727 0.667976139955106 1976 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 YML094C-A_d YML094C-A hom FF 0.00737479604544428 0.669463207248255 1977 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified gene GIM5/YML094W; deletion confers sensitivity to GSAO Unknown Unknown Unknown YJL136C RPS21B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.00735253690272963 0.670401999311407 1978 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S21, no bacterial homolog; RPS21B has a paralog, RPS21A, that arose from the whole genome duplication 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)|cytoplasmic translation|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 YGR058W PEF1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS|SITE OF POLARIZED GROWTH 0.00734959049855956 0.670526304194295 1979 Penta-EF-hand protein required for polar bud growth and cell wall abscission; binds calcium and zinc with different affinity; localizes to bud site in G1, bud neck in G2; binds to Sec31p and modulates COPII coat assembly bipolar cellular bud site selection|regulation of COPII vesicle coating|axial cellular bud site selection zinc ion binding|calcium ion binding cytosol|site of polarized growth|nucleus|cellular bud neck|cytoplasm YPL160W CDC60 het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.0073441309937428 0.670756657286918 1980 Cytosolic leucyl tRNA synthetase, ligates leucine to the appropriate tRNA leucyl-tRNA aminoacylation|DNA replication initiation leucine-tRNA ligase activity cytoplasm YJL197W UBP12 hom FT PROTEOLYSIS|NUCLEUS 0.00734166990997183 0.670860508004267 1981 Ubiquitin-specific protease; cleaves ubiquitin from ubiquitinated proteins; present in the nucleus and cytoplasm biological_process ubiquitin-specific protease activity nucleus|cytoplasm YJL004C SYS1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00730234421782354 0.672704969971338 1982 Integral membrane protein of the Golgi required for targeting of the Arf-like GTPase Arl3p to the Golgi; multicopy suppressor of ypt6 null mutation vesicle organization|Golgi to plasma membrane protein transport|Golgi to endosome transport molecular_function trans-Golgi network|integral to membrane|integral to Golgi membrane YER081W SER3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.0072957428798892 0.67298369050266 1983 3-phosphoglycerate dehydrogenase; catalyzes the first step in serine and glycine biosynthesis; SER3 has a paralog, SER33, that arose from the whole genome duplication serine family amino acid biosynthetic process phosphoglycerate dehydrogenase activity cytoplasm YPR135W CTF4 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME 0.00729390836154691 0.672877151505956 1984 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 YNL221C POP1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0072904653384868 0.673160555027395 1985 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 YBR196C PGI1 het FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|NUCLEOTIDE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|COFACTOR METABOLISM|RESPONSE TO OXIDATIVE STRESS|MITOCHONDRION 0.0072720014368173 0.673940569127399 1986 Glycolytic enzyme phosphoglucose isomerase, catalyzes the interconversion of glucose-6-phosphate and fructose-6-phosphate; required for cell cycle progression and completion of the gluconeogenic events of sporulation gluconeogenesis|pentose-phosphate shunt|glycolysis glucose-6-phosphate isomerase activity cytosol|mitochondrion|plasma membrane YJR006W POL31 het FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00727052565608507 0.673865302440867 1987 Subunit of DNA polymerase delta (polymerase III); essential for cell viability; involved in DNA replication and DNA repair mismatch repair|RNA-dependent DNA replication|lagging strand elongation|base-excision repair|postreplication repair|DNA replication, removal of RNA primer|leading strand elongation|nucleotide-excision repair single-stranded DNA specific 3'-5' exodeoxyribonuclease activity|DNA-directed DNA polymerase activity delta DNA polymerase complex YML087C AIM33 hom FT OXIDATION-REDUCTION PROCESS 0.00726938570064065 0.673913491250246 1988 Putative protein of unknown function, highly conserved across species; homolog of human CYB5R4; null mutant displays reduced frequency of mitochondrial genome loss; AIM33 has a paralog, PGA3, that arose from the whole genome duplication biological_process molecular_function cellular_component YIR028W DAL4 hom 0.00726543137482909 0.674080661002007 1989 Allantoin permease; expression sensitive to nitrogen catabolite repression and induced by allophanate, an intermediate in allantoin degradation allantoin catabolic process|allantoin transport allantoin uptake transmembrane transporter activity integral to membrane|membrane YKR002W PAP1 het FT RNA PROCESSING|NUCLEUS 0.00724746281962772 0.674840487041757 1990 Poly(A) polymerase, one of three factors required for mRNA 3'-end polyadenylation, forms multiprotein complex with polyadenylation factor I (PF I), also required for mRNA nuclear export; may also polyadenylate rRNAs; required for gene looping mRNA polyadenylation|snoRNA polyadenylation polynucleotide adenylyltransferase activity nucleoplasm|mRNA cleavage and polyadenylation specificity factor complex YJL138C TIF2 hom FT TRANSLATION|RIBOSOME 0.00723653951809717 0.675302556504789 1991 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; TIF2 has a paralog, TIF1, that arose from the whole genome duplication translational initiation|regulation of translational initiation ATP-dependent RNA helicase activity|translation initiation factor activity ribosome|eukaryotic translation initiation factor 4F complex|plasma membrane|cytoplasm YGR241C YAP1802 hom FT VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|MEMBRANE ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE|CYTOSKELETON 0.00723616731380851 0.675318303373015 1992 Protein of the AP180 family, involved in clathrin cage assembly; binds Pan1p and clathrin; YAP1802 has a paralog, YAP1801, that arose from the whole genome duplication endocytosis clathrin binding actin cortical patch YDR383C NKP1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.00720738991393619 0.676536220065109 1993 Central kinetochore protein and subunit of the Ctf19 complex; mutants have elevated rates of chromosome loss; orthologous to fission yeast kinetochore protein fta4 biological_process molecular_function kinetochore YOR151C RPB2 het FT TRANSCRIPTION FROM RNA POL II|NUCLEUS|MITOCHONDRION|RNA POL II, HOLOENZYME 0.00719142473542758 0.677212263296463 1994 RNA polymerase II second largest subunit B150, part of central core; similar to bacterial beta subunit transcription from RNA polymerase II promoter RNA-directed RNA polymerase activity|DNA-directed RNA polymerase activity mitochondrion|DNA-directed RNA polymerase II, core complex YOR085W OST3 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00718867679862993 0.67732865053339 1995 Gamma subunit of the oligosaccharyltransferase complex of the ER lumen, which catalyzes asparagine-linked glycosylation of newly synthesized proteins; Ost3p is important for N-glycosylation of a subset of proteins protein glycosylation|protein complex assembly|protein O-linked mannosylation|protein N-linked glycosylation dolichyl-diphosphooligosaccharide-protein glycotransferase activity oligosaccharyltransferase complex|integral to membrane YLR043C TRX1 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 0.00718004647270536 0.677694232938921 1996 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|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 YIL168W YIL168W hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.0071697980476151 0.678219149590284 1997 Open reading frame, unlikely to produce a functional protein in S288C; in closely related species and other S. cerevisiae strain backgrounds YIL168W and adjacent ORF, YIL167W, constitute a single ORF encoding L-serine dehydratase serine family amino acid metabolic process L-serine ammonia-lyase activity cellular_component YBR161W CSH1 hom FT LIPID METABOLISM 0.00716026249578982 0.67853257254746 1998 Mannosylinositol phosphorylceramide (MIPC) synthase catalytic subunit; forms a complex with regulatory subunit Csg2p; function in sphingolipid biosynthesis is overlapping with that of Sur1p; CSH1 has a paralog, SUR1, that arose from the whole genome duplication glycosphingolipid biosynthetic process|sphingolipid biosynthetic process mannosyltransferase activity|transferase activity, transferring glycosyl groups integral to membrane|fungal-type vacuole YJL191W RPS14B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|NUCLEUS|RIBOSOME 0.00715760828540883 0.678645074138912 1999 Protein component of the small (40S) ribosomal subunit; required for ribosome assembly and 20S pre-rRNA processing; mutations confer cryptopleurine resistance; homologous to mammalian ribosomal protein S14 and bacterial S11; RPS14B has a paralog, RPS14A, that arose from the whole genome duplication cytoplasmic translation|ribosomal small subunit assembly|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) structural constituent of ribosome|SSU rRNA binding small-subunit processome|cytosolic small ribosomal subunit YLR381W CTF3 hom FT CELL CYCLE|CELL DIVISION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|KINETOCHORE 0.0071444757491391 0.679201816248244 2000 Outer kinetochore protein that forms a complex with Mcm16p and Mcm22p; may bind the kinetochore to spindle microtubules; orthologous to human centromere constitutive-associated network (CCAN) subunit CENP-I and fission yeast mis6 chromosome segregation|DNA replication initiation|establishment of mitotic sister chromatid cohesion molecular_function condensed nuclear chromosome kinetochore YHR154W RTT107 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|UBIQUITIN LIGASE COMPLEX 0.0071432229697683 0.679254935853556 2001 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 YLR066W SPC3 het FT PROTEIN LOCALIZATION|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00712789789792139 0.679904869219652 2002 Subunit of signal peptidase complex (Spc1p, Spc2p, Spc3p, Sec11p), which catalyzes cleavage of N-terminal signal sequences of proteins targeted to the secretory pathway; homologous to mammalian SPC22/23 signal peptide processing|protein targeting to ER peptidase activity signal peptidase complex YGL088W_d YGL088W hom 0.00712027066180807 0.680228427506544 2003 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps snR10, a snoRNA required for preRNA processing Unknown Unknown Unknown YJL055W_p YJL055W hom FT NUCLEUS 0.00711509307998982 0.680718551628167 2004 Putative protein of unknown function, proposed to be involved in the metabolism of purine and pyrimidine base analogues; deletion mutants are sensitive to HAP and AHA; overexpression confers resistance to 5-FOA and 5-FU response to chemical stimulus|response to purine-containing compound molecular_function nucleus|cytoplasm YBR014C GRX7 hom FT RESPONSE TO OXIDATIVE STRESS|GOLGI APPARATUS 0.00710789526664724 0.680753534702224 2005 Cis-golgi localized monothiol glutaredoxin; more similar in activity to dithiol than other monothiol glutaredoxins; involved in the oxidative stress response; does not bind metal ions; GRX7 has a paralog, GRX6, that arose from the whole genome duplication cellular response to oxidative stress glutathione-disulfide reductase activity|protein homodimerization activity integral to membrane|Golgi apparatus|Golgi lumen|fungal-type vacuole|cis-Golgi network YDR025W RPS11A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.00709386759649087 0.681573734167509 2006 Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S11 and bacterial S17; RPS11A has a paralog, RPS11B, that arose from the whole genome duplication cytoplasmic translation|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)|ribosomal small subunit assembly structural constituent of ribosome cytosolic small ribosomal subunit|90S preribosome YDR324C UTP4 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00709141994271556 0.681452848290896 2007 Subunit of U3-containing 90S preribosome and Small Subunit (SSU) processome complexes involved in production of 18S rRNA and assembly of small ribosomal subunit; member of t-Utp subcomplex involved with transcription of 35S rRNA transcript positive regulation of transcription from RNA polymerase I promoter|maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) molecular_function small-subunit processome|nucleolus|t-UTP complex|90S preribosome YKL053C-A MDM35 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|NUCLEUS|MITOCHONDRION 0.00706212005034288 0.682697190896442 2008 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 YER038W-A_d YER038W-A hom 0.00703569788732848 0.684087994058504 2009 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 99% of ORF overlaps the verified gene HVG1; protein product detected in mitochondria Unknown Unknown Unknown YDR022C ATG31 hom FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|CHROMOSOME SEGREGATION|CYTOSKELETON 0.00703554607786659 0.683826511967721 2010 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 YKL180W RPL17A het FT TRANSLATION|RIBOSOME 0.00703270231671036 0.683947405969006 2011 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 YER069W ARG5,6 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|MITOCHONDRION 0.00702712869663903 0.684184375245148 2012 Acetylglutamate kinase and N-acetyl-gamma-glutamyl-phosphate reductase; N-acetyl-L-glutamate kinase (NAGK) catalyzes the 2nd and N-acetyl-gamma-glutamyl-phosphate reductase (NAGSA), the 3rd step in arginine biosynthesis; synthesized as a precursor which is processed in the mitochondrion to yield mature NAGK and NAGSA; enzymes form a metabolon complex with Arg2p; NAGK C-terminal domain stabilizes the enzymes, slows catalysis and is involved in feed-back inhibition by arginine ornithine biosynthetic process|arginine biosynthetic process|regulation of transcription, DNA-dependent N-acetyl-gamma-glutamyl-phosphate reductase activity|acetylglutamate kinase activity mitochondrion|mitochondrial matrix YIL015W BAR1 hom FT SIGNALING|PROTEOLYSIS 0.00700248014270418 0.685232711111085 2013 Aspartyl protease secreted into the periplasmic space of mating type a cells, helps cells find mating partners, cleaves and inactivates alpha factor allowing cells to recover from alpha-factor-induced cell cycle arrest adaptation of signaling pathway by response to pheromone involved in conjugation with cellular fusion|peptide catabolic process aspartic-type endopeptidase activity cell wall-bounded periplasmic space YAR047C_d YAR047C hom 0.00694290440196491 0.687769046545291 2014 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL159C ASI2 hom FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS 0.00692451463698017 0.688552670738547 2015 Integral inner nuclear membrane protein that acts with Asi1p 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 ubiquitin-dependent protein catabolic process molecular_function nuclear inner membrane YPL267W ACM1 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS 0.00692341774653942 0.68859942197702 2016 Pseudosubstrate inhibitor of the anaphase-promoting complex/cyclosome (APC/C), that suppresses APC/C [Cdh1]-mediated proteolysis of mitotic cyclins; associates with Cdh1p, Bmh1p and Bmh2p; cell cycle regulated protein negative regulation of ubiquitin-protein ligase activity involved in mitotic cell cycle ubiquitin-protein ligase inhibitor activity nucleus|cytoplasm YMR178W YMR178W hom FT COFACTOR METABOLISM|NUCLEUS 0.00692210094426615 0.688655547782814 2017 Protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and nucleus; YMR178W is not an essential gene; protein abundance increases in response to DNA replication stress biological_process molecular_function nucleus|cytoplasm YHL022C SPO11 hom FT CELL CYCLE|NUCLEUS|CHROMOSOME 0.00689020406256525 0.690015605115617 2018 Meiosis-specific protein that initiates meiotic recombination by catalyzing the formation of double-strand breaks in DNA via a transesterification reaction; required for homologous chromosome pairing and synaptonemal complex formation meiotic DNA double-strand break formation endodeoxyribonuclease activity, producing 3'-phosphomonoesters nuclear chromosome YMR252C_p YMR252C hom FT MITOCHONDRION 0.00688039683281593 0.690477788475736 2019 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to mitochondria; YMR252C is not an essential gene biological_process molecular_function mitochondrion YBR025C OLA1 hom 0.00686683921825014 0.691012498938549 2020 P-loop ATPase with similarity to human OLA1 and bacterial YchF; identified as specifically interacting with the proteasome; protein abundance increases in response to hydrogen peroxide and to DNA replication stress biological_process ATPase activity cytoplasm YJL177W RPL17B hom FT TRANSLATION|RIBOSOME 0.00684061548369409 0.69213200942233 2021 Ribosomal 60S subunit protein L17B; homologous to mammalian ribosomal protein L17 and bacterial L22; RPL17B has a paralog, RPL17A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YIL020C HIS6 hom FT KETONE METABOLISM|AMINO ACID METABOLISM 0.00683546378204753 0.692352018485694 2022 Phosphoribosyl-5-amino-1-phosphoribosyl-4-imidazolecarboxiamide isomerase, catalyzes the fourth step in histidine biosynthesis; mutations cause histidine auxotrophy and sensitivity to Cu, Co, and Ni salts histidine biosynthetic process 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide isomerase activity intracellular YDR433W_d YDR433W hom 0.00682097128586275 0.692971075537371 2023 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL147W LSM7 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00680551113851372 0.693631692446993 2024 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 YDL017W CDC7 het FT CELL CYCLE|RESPONSE TO DNA DAMAGE|CELL DIVISION|PROTEIN PHOSPHORYLATION|GENE SILENCING|NUCLEUS 0.00676917739558841 0.695185160375422 2025 DDK (Dbf4-dependent kinase) catalytic subunit required for origin firing and replication fork progression in mitotic S phase through phosphorylation of Mcm2-7p complexes and Cdc45p; kinase activity correlates with cyclical DBF4 expression; required for pre-meiotic DNA replication, meiotic DSB formation, recruitment of the monopolin complex to kinetochores during meiosis I and as a gene-specific regulator of the meiosis-specific transcription factor Ndt80p negative regulation of exit from mitosis|regulation of chromatin silencing at telomere|protein phosphorylation|double-strand break repair via break-induced replication|DNA replication initiation protein serine/threonine kinase activity nucleus|Dbf4-dependent protein kinase complex YPL052W OAZ1 hom FT TRANSLATION|PROTEOLYSIS 0.00672873416089234 0.697130871915956 2026 Regulator of ornithine decarboxylase (Spe1p), antizyme that binds to Spe1p to stimulate ubiquitin-independent degradation by the proteasome; binding of polyamines to nascent Oaz1p during translation stimulates +1 ribosomal frameshifting, allowing translation of full-length Oaz1p Unknown|regulation of proteasomal protein catabolic process ornithine decarboxylase inhibitor activity cytoplasm YGR203W YCH1 hom FT NUCLEUS 0.00672344029133745 0.697142493147408 2027 Phosphatase with sequence similarity to Cdc25p, Arr2p and Mih1p; member of the single-domain rhodanese homology superfamily; green fluorescent protein (GFP)-fusion protein localizes to both the cytoplasm and the nucleus dephosphorylation phosphatase activity|protein tyrosine phosphatase activity|thiosulfate sulfurtransferase activity nucleus|cytoplasm YER097W_d YER097W hom 0.00671416332389181 0.697539750098058 2028 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNR058W BIO3 hom FT KETONE METABOLISM|COFACTOR METABOLISM 0.00670914421830806 0.697754712063748 2029 7,8-diamino-pelargonic acid aminotransferase (DAPA), catalyzes the second step in the biotin biosynthesis pathway; BIO3 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis biotin biosynthetic process adenosylmethionine-8-amino-7-oxononanoate transaminase activity cytoplasm YPL243W SRP68 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|NUCLEUS 0.00670132213344425 0.698346941587985 2030 Core component of the signal recognition particle (SRP) complex; SRP complex functions in targeting nascent secretory proteins to the endoplasmic reticulum (ER) membrane; relocalizes from cytoplasm to the nuclear periphery upon DNA replication stress SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition|protein targeting to ER signal sequence binding signal recognition particle, endoplasmic reticulum targeting YHR190W ERG9 het FT LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION 0.00670040550883363 0.698129037819852 2031 Farnesyl-diphosphate farnesyl transferase (squalene synthase), joins two farnesyl pyrophosphate moieties to form squalene in the sterol biosynthesis pathway ergosterol biosynthetic process squalene synthase activity|farnesyl-diphosphate farnesyltransferase activity mitochondrial outer membrane|integral to membrane|endoplasmic reticulum YNL133C FYV6 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00667088948059839 0.699393909746321 2032 Protein of unknown function, required for survival upon exposure to K1 killer toxin; proposed to regulate double-strand break repair via non-homologous end-joining double-strand break repair via nonhomologous end joining molecular_function nucleus YCR001W_d YCR001W hom 0.00665866062723344 0.699918206376053 2033 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; YCR001W is not an essential gene Unknown Unknown Unknown YLR331C_d JIP3 hom 0.00663809197233781 0.700842883082386 2034 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 YKR083C DAD2 het FT CELL CYCLE|CELL DIVISION|CYTOSKELETON ORGANIZATION|CHROMOSOME SEGREGATION|NUCLEUS|CHROMOSOME|CYTOSKELETON|KINETOCHORE 0.00660450016872752 0.70228429932718 2035 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 DASH complex|condensed nuclear chromosome kinetochore|mitotic spindle YOR246C ENV9 hom FF|FT OXIDATION-REDUCTION PROCESS|VACUOLAR PROTEIN PROCESSING 0.00659956605474744 0.702623020671164 2036 Protein proposed to be involved in vacuolar functions; mutant shows defect in CPY processing and defects in vacuolar morphology; has similarity to oxidoreductases, found in lipid particles; required for replication of Brome mosaic virus in S. cerevisiae, a model system for studying replication of positive-strand RNA viruses in their natural hosts vacuole organization|vacuolar protein processing oxidoreductase activity lipid particle YCL047C POF1 hom FT PROTEOLYSIS 0.00658382782731074 0.703129674771861 2037 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 YOR278W HEM4 het FT COFACTOR METABOLISM 0.00656450333818719 0.703959853760938 2038 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 YKL186C MTR2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00656303118740249 0.70402311175013 2039 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 YLR094C GIS3 hom FT SIGNALING|NUCLEUS 0.00656111935210291 0.704105265939625 2040 Protein of unknown function intracellular signal transduction molecular_function nucleus|cytoplasm YHR043C DOG2 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.00654992428513852 0.704586402598274 2041 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 YLR253W_p YLR253W hom FT MITOCHONDRION 0.00654637640279847 0.704738906591273 2042 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 YIL152W_p YIL152W hom 0.00653084029380268 0.705406858306095 2043 Putative protein of unknown function biological_process molecular_function cellular_component YMR079W SEC14 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|LIPID METABOLISM|VACUOLAR TRANSPORT|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.0065225913915019 0.705761599790852 2044 Phosphatidylinositol/phosphatidylcholine transfer protein; involved in regulating PtdIns, PtdCho, and ceramide metabolism, products of which regulate intracellular transport and UPR; has a role in localization of lipid raft proteins; functionally homologous to mammalian PITPs Golgi vesicle budding|phosphatidylinositol metabolic process|Golgi to plasma membrane protein transport|Golgi to vacuole transport|ascospore formation|Unknown|phospholipid transport phosphatidylinositol transporter activity|phosphatidylcholine transporter activity cytosol|Golgi apparatus|Golgi membrane|cytoplasm YKL032C IXR1 hom FT TRANSCRIPTION FROM RNA POL II|RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00651603544402176 0.706127249178702 2045 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 YFL050C ALR2 hom FT ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00650894700875859 0.706432101740037 2046 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 YLR384C IKI3 hom FT PROTEIN LOCALIZATION|TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.00650842019571646 0.70637117688405 2047 Subunit of Elongator complex, which is required for modification of wobble nucleosides in tRNA; maintains structural integrity of Elongator; homolog of human IKAP, mutations in which cause familial dysautonomia (FD) regulation of transcription from RNA polymerase II promoter|tRNA wobble uridine modification molecular_function Elongator holoenzyme complex|nucleus|cytoplasm YBL071C-B_p YBL071C-B hom 0.00645551390533134 0.708690109810523 2048 Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching biological_process molecular_function cellular_component YPR113W PIS1 het FT LIPID METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|GOLGI APPARATUS 0.00643903364355297 0.709482802315258 2049 Phosphatidylinositol synthase, required for biosynthesis of phosphatidylinositol, which is a precursor for polyphosphoinositides, sphingolipids, and glycolipid anchors for some of the plasma membrane proteins phosphatidylinositol biosynthetic process CDP-diacylglycerol-inositol 3-phosphatidyltransferase activity mitochondrial outer membrane|mitochondrion|integral to membrane|Golgi apparatus YCL025C AGP1 hom FT PLASMA MEMBRANE 0.00643898631276292 0.709360605861831 2050 Low-affinity amino acid permease with broad substrate range; involved in uptake of asparagine, glutamine, and other amino acids; expression regulated by SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p); AGP1 has a paralog, GNP1, that arose from the whole genome duplication amino acid transport|transmembrane transport amino acid transmembrane transporter activity|L-proline transmembrane transporter activity integral to membrane|plasma membrane YHL045W_d YHL045W hom 0.00643574246557746 0.709500377364401 2051 Putative protein of unknown function; not an essential gene Unknown Unknown Unknown YER181C_d YER181C hom 0.00641672179527299 0.710320140133615 2052 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative data; extensively overlaps a Ty1 LTR; protein product is detected in highly purified mitochondria in high-throughput studies Unknown Unknown Unknown YPL219W PCL8 hom FT CELL CYCLE|OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|PROTEIN PHOSPHORYLATION|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS 0.0064148342631273 0.710401508272613 2053 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 YGL030W RPL30 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|TRANSLATION|RIBOSOME 0.00641374541198002 0.710572263426298 2054 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 YDR077W SED1 hom FT CELL WALL ORG/BIOGENESIS|MITOCHONDRION ORGANIZATION|MITOCHONDRION|RIBOSOME 0.00640605138435609 0.71078016587225 2055 Major stress-induced structural GPI-cell wall glycoprotein in stationary-phase cells, associates with translating ribosomes, possible role in mitochondrial genome maintenance; ORF contains two distinct variable minisatellites fungal-type cell wall organization|mitochondrial genome maintenance structural constituent of cell wall mitochondrion|ribosome|fungal-type cell wall YBR108W AIM3 hom FT CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0064008857279173 0.711002906943201 2056 Protein interacting with Rvs167p; null mutant is viable and displays elevated frequency of mitochondrial genome loss actin cortical patch assembly molecular_function membrane raft|actin cortical patch YLR415C_p YLR415C hom FT MITOCHONDRION 0.0063817504659009 0.711828226700184 2057 Putative protein of unknown function; YLR415C is not an essential gene biological_process molecular_function cellular_component YBR240C THI2 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00635617016838498 0.712932053373575 2058 Transcriptional activator of thiamine biosynthetic genes; interacts with regulatory factor Thi3p to control expression of thiamine biosynthetic genes with respect to thiamine availability; acts together with Pdc2p to respond to thiaminediphosphate demand, possibly as related to carbon source availability; zinc finger protein of the Zn(II)2Cys6 type thiamine biosynthetic process|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 involved in positive regulation of transcription nucleus YOR130C ORT1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.00634785783445763 0.713495433304613 2059 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 YOR189W IES4 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|CHROMOSOME 0.00633278361784049 0.713941742872692 2060 Component of the INO80 chromatiin remodeling complex and target of the Mec1p/Tel1p DNA damage signaling pathway; proposed to link chromatin remodeling to replication checkpoint responses response to DNA damage stimulus molecular_function nucleus|Ino80 complex YMR009W ADI1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|NUCLEUS 0.00632210284076184 0.7144030408193 2061 Acireductone dioxygenease involved in the methionine salvage pathway; ortholog of human MTCBP-1; transcribed as polycistronic mRNA with YMR010W and regulated post-transcriptionally by RNase III (Rnt1p) cleavage; ADI1 mRNA is induced in heat shock conditions L-methionine salvage from methylthioadenosine oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen nucleus|cytoplasm YPR093C ASR1 hom FT NUCLEUS 0.00630108320395829 0.715311174018906 2062 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 YLR327C TMA10 hom FT NUCLEUS|MITOCHONDRION 0.00627696633273629 0.717246252784581 2063 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 YBR143C SUP45 het FT PROTEIN COMPLEX ORG/BIOGENESIS|TRANSLATION|CELL DIVISION 0.00625757161640969 0.717192329308422 2064 Polypeptide release factor (eRF1) in translation termination; mutant form acts as a recessive omnipotent suppressor; methylated by Mtq2p-Trm112p in ternary complex eRF1-eRF3-GTP; mutation of methylation site confers resistance to zymocin; has a role in cytokinesis through interaction with Mlc1p translational termination|cytokinesis translation release factor activity, codon specific|translation release factor activity cytosol|translation release factor complex YGR068C ART5 hom FT VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION 0.0062328137221532 0.718263464792784 2065 Protein proposed to regulate the endocytosis of plasma membrane proteins by recruiting the ubiquitin ligase Rsp5p to its target in the plasma membrane ubiquitin-dependent endocytosis ubiquitin protein ligase binding cellular_component YGL076C RPL7A hom FT TRANSLATION|RIBOSOME 0.00621841296609819 0.718886759719144 2066 Ribosomal 60S subunit protein L7A; contains a conserved C-terminal Nucleic acid Binding Domain (NDB2); homologous to mammalian ribosomal protein L7 and bacterial L30; RPL7A has a paralog, RPL7B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit|cytoplasm YCL002C_p YCL002C hom 0.00619843414984884 0.71975179432681 2067 Putative protein of unknown function; YCL002C is not an essential gene biological_process molecular_function integral to membrane YNR063W_p YNR063W hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00615621799920535 0.721580830948509 2068 Putative zinc-cluster protein of unknown function biological_process sequence-specific DNA binding cellular_component YHR209W CRG1 hom 0.00614612700233667 0.722018264833754 2069 S-AdoMet-dependent methyltransferase involved in lipid homeostasis; mediates resistance to a drug cantharidin lipid homeostasis mRNA binding|S-adenosylmethionine-dependent methyltransferase activity|methyltransferase activity cellular_component YBL075C SSA3 hom FT PROTEIN LOCALIZATION 0.00613779997923346 0.722379300786972 2070 ATPase involved in protein folding and the response to stress; plays a role in SRP-dependent cotranslational protein-membrane targeting and translocation; member of the heat shock protein 70 (HSP70) family; localized to the cytoplasm; SSA3 has a paralog, SSA4, that arose from the whole genome duplication protein folding|SRP-dependent cotranslational protein targeting to membrane, translocation|response to stress unfolded protein binding|ATPase activity cytosol YFL017W-A SMX2 het FT RNA PROCESSING|NUCLEUS 0.00613238793312993 0.722613984800888 2071 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 YNR072W HXT17 hom FT PLASMA MEMBRANE 0.00610750696778454 0.723930625544869 2072 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 YDL079C MRK1 hom FT PROTEIN PHOSPHORYLATION 0.00610004103144495 0.724017195434251 2073 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 YHR124W NDT80 hom FT CELL CYCLE|CELL DIVISION|NUCLEUS|CHROMOSOME 0.00609306901757982 0.724319763496872 2074 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 YLR111W_d YLR111W hom FF 0.00608631145740637 0.724613065887733 2075 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YEL037C RAD23 hom FT RESPONSE TO DNA DAMAGE|PROTEOLYSIS|NUCLEUS|MITOCHONDRION 0.00607568799607561 0.72511361108477 2076 Protein with ubiquitin-like N terminus, subunit of Nuclear Excision Repair Factor 2 (NEF2) with Rad4p that binds damaged DNA; enhances protein deglycosylation activity of Png1p; also involved, with Rad4p, in ubiquitylated protein turnover proteasomal ubiquitin-dependent protein catabolic process|nucleotide-excision repair, DNA damage recognition|ER-associated protein catabolic process|protein deglycosylation damaged DNA binding|ubiquitin binding|peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase activity|protein binding, bridging proteasome complex|mitochondrion|nucleotide-excision repair factor 2 complex YGL158W RCK1 hom FT CELL CYCLE|PROTEIN PHOSPHORYLATION 0.00604754822058592 0.726296309061451 2077 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 YAL042W ERV46 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00603744879087869 0.726735081065963 2078 Protein localized to COPII-coated vesicles, forms a complex with Erv41p; involved in the membrane fusion stage of transport ER to Golgi vesicle-mediated transport molecular_function integral to endoplasmic reticulum membrane|integral to Golgi membrane|ER to Golgi transport vesicle YPL077C_p YPL077C hom 0.00603433211828589 0.726870503710794 2079 Putative protein of unknown function; regulates PIS1 expression; mutant displays spore wall assembly defect in ether sensitivity screen; YPL077C is not an essential gene; YPL077C has a paralog, YBR197C, that arose from the whole genome duplication biological_process molecular_function cellular_component YML013W UBX2 hom FF|FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|MITOCHONDRION|UBIQUITIN LIGASE COMPLEX 0.00601162309206357 0.727857491632413 2080 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 YMR194W RPL36A hom FT TRANSLATION|RIBOSOME 0.00594073745743255 0.730941245380475 2081 Ribosomal 60S subunit protein L36A; N-terminally acetylated; binds to 5.8 S rRNA; homologous to mammalian ribosomal protein L36, no bacterial homolog; RPL36A has a paralog, RPL36B, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YLR030W_p YLR030W hom 0.00592047361100325 0.731823589980931 2082 Putative protein of unknown function biological_process molecular_function cellular_component YMR278W PGM3 hom FT CARBOHYDRATE METABOLISM|NUCLEUS 0.00591009484916705 0.732275647712537 2083 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 YLR437C DIF1 hom FT NUCLEUS 0.00589823555916419 0.732792305070411 2084 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 YPR195C_d YPR195C hom 0.00588506920113168 0.733366047449467 2085 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL193W_p YNL193W hom 0.00588307641351282 0.733452898925846 2086 Putative protein of unknown function; exhibits a two-hybrid interaction with Yhr151cp in a large-scale analysis biological_process molecular_function cellular_component YKL095W YJU2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.0058763059698053 0.733748000009318 2087 Essential protein required for pre-mRNA splicing; associates transiently with the spliceosomal NTC (nineteen complex) and acts after Prp2p to promote the first catalytic reaction of splicing generation of catalytic spliceosome for first transesterification step first spliceosomal transesterification activity nucleus|U2-type catalytic step 1 spliceosome YMR043W MCM1 het FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|NUCLEUS|CHROMOSOME 0.00586225586696159 0.734360522609814 2088 Transcription factor involved in cell-type-specific transcription and pheromone response; plays a central role in the formation of both repressor and activator complexes regulation of mating type switching|positive regulation of transcription involved in G2/M-phase of mitotic cell cycle|DNA replication initiation|negative regulation of mating-type specific transcription from RNA polymerase II promoter|negative regulation of transcription from RNA polymerase II promoter|Unknown|positive regulation of mating-type specific transcription from RNA polymerase II promoter|positive regulation of transcription from RNA polymerase II promoter DNA replication origin binding|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, bending|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|RNA polymerase II repressing transcription factor binding nuclear chromatin YNL064C YDJ1 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|MITOCHONDRION ORGANIZATION 0.00585707824811943 0.73458628661695 2089 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 YPR072W NOT5 hom FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.00584638755713606 0.735052514213868 2090 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 YHR139C SPS100 hom FT KETONE METABOLISM|CELL CYCLE|AMINO ACID METABOLISM|CELL WALL ORG/BIOGENESIS 0.00582396257910511 0.736030798180819 2091 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 YHR210C_p YHR210C hom FT CARBOHYDRATE METABOLISM 0.0058140429363298 0.73646367669743 2092 Putative aldose 1-epimerase superfamily protein; non-essential gene; highly expressed under anaeorbic conditions biological_process molecular_function cellular_component YNL247W YNL247W het FT KETONE METABOLISM|AMINO ACID METABOLISM|TRANSLATION 0.00579586263128824 0.737257255255946 2093 Cysteinyl-tRNA synthetase; may interact with ribosomes, based on co-purification experiments cysteinyl-tRNA aminoacylation cysteine-tRNA ligase activity ribosome|cytoplasm YPL207W TYW1 hom FT RNA PROCESSING|OXIDATION-REDUCTION PROCESS|ENDOPLASMIC RETICULUM 0.00578724424394209 0.737633549683154 2094 Iron-sulfer protein required for synthesis of Wybutosine modified tRNA; Wybutosine is a modified guanosine found at the 3'-position adjacent to the anticodon of phenylalanine tRNA which supports reading frame maintenance by stabilizing codon-anticodon interactions; induction by Yap5p in response to iron provides protection from high iron toxicity; overexpression results in increased cellular iron wybutosine biosynthetic process molecular_function endoplasmic reticulum YBR136W MEC1 het FT CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS|MITOCHONDRION 0.00578137881144858 0.737889681061572 2095 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 YMR306C-A_d YMR306C-A hom 0.00571123355725455 0.74099229974085 2096 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YPL216W_p YPL216W hom FT CHROMATIN ORGANIZATION|NUCLEUS 0.00570820225023002 0.741087588001498 2097 Putative protein of unknown function; YPL216W is not an essential gene biological_process molecular_function cellular_component YNL061W NOP2 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00570801493884307 0.741282112016221 2098 Probable RNA m(5)C methyltransferase, essential for processing and maturation of 27S pre-rRNA and large ribosomal subunit biogenesis; localized to the nucleolus; constituent of 66S pre-ribosomal particles rRNA processing S-adenosylmethionine-dependent methyltransferase activity|RNA methyltransferase activity nucleolus|preribosome, large subunit precursor YHL031C GOS1 hom FF|FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|MEMBRANE ORGANIZATION|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00569842234934822 0.74151532212048 2099 v-SNARE protein involved in Golgi transport, homolog of the mammalian protein GOS-28/GS28 Golgi vesicle transport|vesicle fusion SNAP receptor activity SNARE complex|integral to membrane|Golgi medial cisterna YOR324C FRT1 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00567173401739617 0.74268296989725 2100 Tail-anchored ER membrane protein of unknown function; substrate of the phosphatase calcineurin; interacts with homolog Frt2p; promotes cell growth in stress conditions, possibly via a role in posttranslational translocation; FRT1 has a paralog, FRT2, that arose from the whole genome duplication response to stress molecular_function endoplasmic reticulum YPL058C PDR12 hom FT KETONE METABOLISM|NUCLEOTIDE METABOLISM|PLASMA MEMBRANE 0.00564287471614698 0.743946266505263 2101 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 YDL162C_d YDL162C hom 0.00564099488421463 0.744028578832968 2102 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 YDL190C UFD2 hom FT PROTEOLYSIS|NUCLEUS 0.00562992631713948 0.744623713496956 2103 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 YBL055C YBL055C hom FT RESPONSE TO OXIDATIVE STRESS 0.0056278196935938 0.744605563788985 2104 3'-->5' exonuclease and endonuclease with a possible role in apoptosis; has similarity to mammalian and C. elegans apoptotic nucleases cellular response to oxidative stress|apoptotic DNA fragmentation 3'-5'-exodeoxyribonuclease activity|endonuclease activity cytoplasm YMR169C ALD3 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.00562074147884957 0.744915601298537 2105 Cytoplasmic aldehyde dehydrogenase, involved in beta-alanine synthesis; uses NAD+ as the preferred coenzyme; very similar to Ald2p; expression is induced by stress and repressed by glucose beta-alanine biosynthetic process|polyamine catabolic process aldehyde dehydrogenase (NAD) activity cytoplasm YOR272W YTM1 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00560931220685959 0.745416309502089 2106 Constituent of 66S pre-ribosomal particles, forms a complex with Nop7p and Erb1p that is required for maturation of the large ribosomal subunit; has seven C-terminal WD repeats chromosome organization|ribosomal large subunit biogenesis molecular_function PeBoW complex|nucleolus|nucleus|preribosome, large subunit precursor YML115C VAN1 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.0055979946182272 0.745912230887449 2107 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 YFL048C EMP47 hom FT VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00559455646392999 0.746062906996002 2108 Integral membrane component of endoplasmic reticulum-derived COPII-coated vesicles, which function in ER to Golgi transport ER to Golgi vesicle-mediated transport glycoprotein binding fungal-type vacuole membrane|integral to endoplasmic reticulum membrane|integral to Golgi membrane|ER to Golgi transport vesicle YEL063C CAN1 hom FT MITOCHONDRION|PLASMA MEMBRANE 0.00555177950680993 0.748011093390969 2109 Plasma membrane arginine permease; requires phosphatidyl ethanolamine (PE) for localization, exclusively associated with lipid rafts; mutation confers canavanine resistance; CAN1 has a paralog, ALP1, that arose from the whole genome duplication basic amino acid transport|transmembrane transport basic amino acid transmembrane transporter activity|arginine transmembrane transporter activity mitochondrion|integral to membrane|membrane raft|plasma membrane YOR344C TYE7 hom FT CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY|NUCLEUS|CHROMOSOME 0.00554263543213044 0.748339508137281 2110 Serine-rich protein that contains a basic-helix-loop-helix (bHLH) DNA binding motif; binds E-boxes of glycolytic genes and contributes to their activation; may function as a transcriptional activator in Ty1-mediated gene expression positive regulation of glycolysis|transcription, DNA-dependent sequence-specific DNA binding|sequence-specific DNA binding transcription factor activity nuclear chromatin|nucleus YER006W NUG1 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00550652116390524 0.749924319738583 2111 GTPase that associates with nuclear 60S pre-ribosomes, required for export of 60S ribosomal subunits from the nucleus ribosomal large subunit export from nucleus|rRNA processing RNA binding|GTPase activity nucleolus|nucleus|preribosome, large subunit precursor YLR325C RPL38 hom FT TRANSLATION|RIBOSOME 0.00547077232376741 0.75149413507579 2112 Ribosomal 60S subunit protein L38; homologous to mammalian ribosomal protein L38, no bacterial homolog cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YPL273W SAM4 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|COFACTOR METABOLISM|NUCLEUS 0.00546398720204237 0.75179220199065 2113 S-adenosylmethionine-homocysteine methyltransferase, functions along with Mht1p in the conversion of S-adenosylmethionine (AdoMet) to methionine to control the methionine/AdoMet ratio homocysteine metabolic process|L-methionine biosynthetic process from S-adenosylmethionine|S-adenosylhomocysteine metabolic process homocysteine S-methyltransferase activity nucleus|cytoplasm YLR062C_d BUD28 hom 0.00546381028143994 0.751799974517203 2114 Dubious open reading frame, unlikely to encode a protein; not conserved in closely related Saccharomyces species; 98% of ORF overlaps the verified gene RPL22A; diploid mutant displays a weak budding pattern phenotype in a systematic assay Unknown Unknown Unknown YGL038C OCH1 hom FT CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|GOLGI APPARATUS 0.00546072082843131 0.751971510710193 2115 Mannosyltransferase of the cis-Golgi apparatus, initiates the polymannose outer chain elongation of N-linked oligosaccharides of glycoproteins protein N-linked glycosylation alpha-1,6-mannosyltransferase activity|transferase activity, transferring glycosyl groups Golgi cis cisterna YDR083W RRP8 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS|CHROMOSOME 0.0054353529993174 0.75305049500734 2116 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 YLR079W SIC1 hom FT CELL CYCLE|PROTEIN PHOSPHORYLATION|RESPONSE TO NUTRIENT LEVELS|NUCLEUS 0.00542979127716601 0.753294973881908 2117 Cyclin-dependent kinase inhibitor (CKI); inhibitor of Cdc28-Clb kinase complexes that controls G1/S phase transition, preventing premature S phase and ensuring genomic integrity; phosphorylation targets Sic1p for SCF(CDC4)-dependent turnover; functional homolog of mammalian Kip1 regulation of cyclin-dependent protein kinase activity|negative regulation of macroautophagy|G1/S transition of mitotic cell cycle cyclin-dependent protein kinase inhibitor activity nucleus|cytoplasm YLR291C GCD7 het FT TRANSLATION|MITOCHONDRION 0.00542000812777575 0.753725075733946 2118 Beta 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 enzyme regulator activity|translation initiation factor activity|guanyl-nucleotide exchange factor activity mitochondrion|eukaryotic translation initiation factor 2B complex|guanyl-nucleotide exchange factor complex YNL126W SPC98 het FF|FT CELL CYCLE|CYTOSKELETON ORGANIZATION|NUCLEUS|CYTOSKELETON 0.00541121144016537 0.754111874461805 2119 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|mitotic spindle organization in nucleus structural constituent of cytoskeleton outer plaque of spindle pole body|gamma-tubulin small complex, spindle pole body|inner plaque of spindle pole body YIL148W RPL40A hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RESPONSE TO DNA DAMAGE|TRANSLATION|NUCLEUS|RIBOSOME 0.00540611220544969 0.754371603494313 2120 Ubiquitin-ribosomal 60S subunit protein L40A fusion protein; cleaved to yield ubiquitin and ribosomal protein L40A; ubiquitin may facilitate assembly of the ribosomal protein into ribosomes; homologous to mammalian ribosomal protein L40, no bacterial homolog; RPL40A has a paralog, RPL40B, that arose from the whole genome duplication; relative distribution to the nucleus increases upon DNA replication stress cytoplasmic translation|protein ubiquitination|ribosome biogenesis structural constituent of ribosome|protein tag cytosolic large ribosomal subunit YJR096W YJR096W hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|RESPONSE TO OXIDATIVE STRESS|NUCLEUS 0.00540471291447318 0.754397660433747 2121 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 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 0.00537204399384199 0.755834851670439 2122 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 YIR034C LYS1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS 0.00536706542945087 0.756053946047142 2123 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 YGR089W NNF2 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00536640973502461 0.756082803008095 2124 Protein that exhibits physical and genetic interactions with Rpb8p, which is a subunit of RNA polymerases I, II, and III; computational analysis of large-scale protein-protein interaction data suggests a role in chromosome segregation biological_process molecular_function integral to membrane YAL067C SEO1 hom 0.00536256188481706 0.756252152863258 2125 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 YIL009W FAA3 hom FT KETONE METABOLISM|LIPID METABOLISM 0.00535551698687229 0.756562240071505 2126 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 YFL010C WWM1 hom FT NUCLEUS|MITOCHONDRION 0.00534505461991825 0.757620652726512 2127 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 YNL131W TOM22 het FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00532818747196512 0.757765542474362 2128 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 YLR269C_d YLR269C hom 0.00531246700475437 0.758457971465297 2129 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YJL025W RRN7 het FT NUCLEUS 0.0053090608456732 0.758747685434565 2130 Component of the core factor (CF) rDNA transcription factor complex; CF is required for transcription of 35S rRNA genes by RNA polymerase I and is composed of Rrn6p, Rrn7p, and Rrn11p transcription initiation from RNA polymerase I promoter|transcription of nuclear large rRNA transcript from RNA polymerase I promoter TBP-class protein binding|RNA polymerase I CORE element sequence-specific DNA binding|RNA polymerase I CORE element sequence-specific DNA binding transcription factor recruiting transcription factor activity nucleolus|RNA polymerase I core factor complex YLL047W_d YLL047W hom 0.00529762797987377 0.759111753871079 2131 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 YOL099C_d YOL099C hom 0.00529448941206312 0.7592500559454 2132 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps verified gene PKH2/YOL100W; may interact with ribosomes Unknown Unknown Unknown YML006C GIS4 hom FT SIGNALING|ION HOMEOSTASIS|ION HOMEOSTASIS|PLASMA MEMBRANE 0.00528384766307494 0.759719045557798 2133 CAAX box containing protein of unknown function, proposed to be involved in the RAS/cAMP signaling pathway cellular ion homeostasis|intracellular signal transduction molecular_function plasma membrane YJL128C PBS2 hom FF|FT PROTEIN LOCALIZATION|SIGNALING|CYTOSKELETON ORGANIZATION|PROTEIN PHOSPHORYLATION|SITE OF POLARIZED GROWTH 0.00526005995183072 0.76076770643134 2134 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 YKR055W RHO4 hom FT SIGNALING|CYTOSKELETON ORGANIZATION|SITE OF POLARIZED GROWTH|PLASMA MEMBRANE 0.00524820923663733 0.761290299202251 2135 Non-essential small GTPase of the Rho/Rac subfamily of Ras-like proteins, likely to be involved in the establishment of cell polarity positive regulation of formin-nucleated actin cable assembly|maintenance of cell polarity|regulation of formin-nucleated actin cable assembly GTPase activity incipient cellular bud site|plasma membrane|cellular bud neck YJL108C PRM10 hom 0.00524341469084686 0.761501759999889 2136 Pheromone-regulated protein, proposed to be involved in mating; predicted to have 5 transmembrane segments; induced by treatment with 8-methoxypsoralen and UVA irradiation biological_process molecular_function integral to membrane YOR381W FRE3 hom FT ION HOMEOSTASIS|OXIDATION-REDUCTION PROCESS|ION HOMEOSTASIS|GEN. OF PRECURSOR METABOLITES AND ENERGY|PLASMA MEMBRANE 0.00521234897388688 0.762872327083991 2137 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 YKL057C NUP120 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|RNA LOCALIZATION|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00520067339544457 0.763387626364885 2138 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 NUP160 double-strand break repair|protein export from nucleus|ribosomal large subunit export from nucleus|maintenance of chromatin silencing at telomere|posttranscriptional tethering of RNA polymerase II gene DNA at nuclear periphery|telomere tethering at nuclear periphery|nuclear pore distribution|mRNA export from nucleus in response to heat stress|mRNA export from nucleus|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 structural constituent of nuclear pore integral to membrane|nuclear pore|nuclear pore outer ring YPR196W_p YPR196W hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00517733725092738 0.764417876213812 2139 Putative maltose-responsive transcription factor regulation of transcription, DNA-dependent sequence-specific DNA binding cellular_component YOL017W ESC8 hom FT GENE SILENCING|NUCLEUS 0.00515216377531552 0.765529708451021 2140 Protein involved in telomeric and mating-type locus silencing; interacts with Sir2p and also interacts with Gal11p, which is a component of the RNA pol II mediator complex; ESC8 has a paralog, IOC3, that arose from the whole genome duplication chromatin silencing molecular_function nucleus YBR102C EXO84 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|SITE OF POLARIZED GROWTH 0.00514404212380648 0.765888519096086 2141 Exocyst subunit with dual roles in exocytosis and spliceosome assembly; subunit of the the exocyst complex which mediates polarized targeting and tethering of post-Golgi secretory vesicles to active sites of exocytosis at the plasma membrane (PM) prior to SNARE-mediated fusion; required for exocyst assembly and targeting the complex to specific sites on the bud tip PM; associates the U1 snRNP; role in pre-mRNA splicing and prespliceosome formation; possible Cdc28 substrate spliceosomal complex assembly|Golgi to plasma membrane transport|exocyst localization|exocytosis|exocyst assembly molecular_function incipient cellular bud site|mating projection tip|cellular bud neck|cellular bud tip|exocyst YPR040W TIP41 hom FT SIGNALING|NUCLEUS 0.00511702777046351 0.767082361032444 2142 Protein that interacts with Tap42p, which regulates PP2A; component of the TOR (target of rapamycin) signaling pathway; protein abundance increases in response to DNA replication stress signal transduction molecular_function nucleus|cytoplasm YML060W OGG1 hom FT RESPONSE TO DNA DAMAGE|NUCLEUS|MITOCHONDRION 0.00508305513160113 0.768584494039145 2143 Mitochondrial glycosylase/lyase that specifically excises 7,8-dihydro-8-oxoguanine residues located opposite cytosine or thymine residues in DNA, repairs oxidative damage to mitochondrial DNA, contributes to UVA resistance DNA repair|base-excision repair, AP site formation oxidized purine nucleobase lesion DNA N-glycosylase activity mitochondrion YOR099W KTR1 hom FT CELL WALL ORG/BIOGENESIS|CARBOHYDRATE METABOLISM|ENDOMEMBRANE SYSTEM|GOLGI APPARATUS 0.00507832144279609 0.768793867755408 2144 Alpha-1,2-mannosyltransferase; involved in O- and N-linked protein glycosylation; type II membrane protein; member of the KRE2/MNT1 mannosyltransferase family; relocalizes from vacuole to cytoplasm upon DNA replication stress N-glycan processing|cell wall mannoprotein biosynthetic process|protein O-linked glycosylation alpha-1,2-mannosyltransferase activity Golgi apparatus YFR037C RSC8 het FF|FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|RESPONSE TO DNA DAMAGE|NUCLEUS|RSC COMPLEX 0.00503898709476608 0.770534298728501 2145 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 YOR248W_d YOR248W hom 0.00503800486173327 0.770577774519558 2146 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YDL235C YPD1 het FT SIGNALING|NUCLEUS 0.00502434250326155 0.771182575163932 2147 Phosphorelay intermediate protein, phosphorylated by the plasma membrane sensor Sln1p in response to osmotic stress and then in turn phosphorylates the response regulators Ssk1p in the cytosol and Skn7p in the nucleus osmosensory signaling pathway via two-component system protein histidine kinase binding|transferase activity, transferring phosphorus-containing groups nucleus|cytoplasm YBL041W PRE7 het FT PROTEOLYSIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.0049895092664633 0.773055296269734 2148 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 YGL032C AGA2 hom 0.00498903901851528 0.772844988281226 2149 Adhesion subunit of a-agglutinin of a-cells, C-terminal sequence acts as a ligand for alpha-agglutinin (Sag1p) during agglutination, modified with O-linked oligomannosyl chains, linked to anchorage subunit Aga1p via two disulfide bonds agglutination involved in conjugation with cellular fusion cell adhesion molecule binding fungal-type cell wall YLR176C RFX1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEUS 0.00494631104412136 0.77463950001259 2150 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 YPR143W RRP15 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.0049424343110437 0.77481136293407 2151 Nucleolar protein, constituent of pre-60S ribosomal particles; required for proper processing of the 27S pre-rRNA at the A3 and B1 sites to yield mature 5.8S and 25S rRNAs 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) molecular_function nucleolus|nucleus|preribosome, large subunit precursor YGR156W PTI1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.00494010335009517 0.774914704158476 2152 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 YBR007C DSF2 hom FF 0.0049232782794998 0.775660747838125 2153 Deletion suppressor of mpt5 mutation; relocalizes from bud neck to cytoplasm upon DNA replication stress biological_process molecular_function cellular_component YBR195C MSI1 hom FT CHROMATIN ORGANIZATION|NUCLEUS 0.00492310357150696 0.775668495685702 2154 Subunit of chromatin assembly factor I (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; Msi1p localizes to both nucleus and cytoplasm and has an independent role as a negative regulator of the RAS/cAMP pathway via sequestration of Npr1p kinase DNA replication-dependent nucleosome assembly histone binding nucleus|CAF-1 complex|cytoplasm YPL241C CIN2 hom FF|FT PROTEIN COMPLEX ORG/BIOGENESIS|CYTOSKELETON 0.00492048065341326 0.775784818000946 2155 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 YGR078C PAC10 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.00491892995791459 0.776277257611966 2156 Part of the heteromeric co-chaperone GimC/prefoldin complex, which promotes efficient protein folding tubulin complex assembly tubulin binding prefoldin complex|polysome|cytoplasm YHR129C ARP1 hom FT CELL CYCLE|CYTOSKELETON ORGANIZATION|CYTOSKELETON 0.0049119128484285 0.776164821775443 2157 Actin-related protein of the dynactin complex; required for spindle orientation and nuclear migration; putative ortholog of mammalian centractin nuclear migration|establishment of mitotic spindle orientation structural constituent of cytoskeleton cell cortex|dynactin complex|spindle pole body|astral microtubule YDR187C_d YDR187C het FF 0.00490465033222604 0.776486974645787 2158 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; partially overlaps the verified, essential ORF CCT6/YDR188W Unknown Unknown Unknown YPR186C PZF1 het FT NUCLEUS 0.00490071482371986 0.776661563171292 2159 Transcription factor IIIA (TFIIIA); essential DNA binding protein required for transcription of 5S rRNA by RNA polymerase III; not involved in transcription of other RNAP III genes; nine conserved zinc fingers; may also bind 5S rRNA 5S class rRNA transcription from RNA polymerase III type 1 promoter RNA polymerase III type 1 promoter sequence-specific DNA binding|TFIIIC-class transcription factor binding|RNA polymerase III type 1 promoter sequence-specific DNA binding TFIIIC recruiting transcription factor activity nucleus YPL091W GLR1 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|OXIDATION-REDUCTION PROCESS|RESPONSE TO OXIDATIVE STRESS|NUCLEUS|MITOCHONDRION 0.00489623348637327 0.776860379695217 2160 Cytosolic and mitochondrial glutathione oxidoreductase; converts oxidized glutathione to reduced glutathione; mitochondrial but not cytosolic form has a role in resistance to hyperoxia; protein abundance increases in response to DNA replication stress cellular response to oxidative stress|protein glutathionylation glutathione-disulfide reductase activity mitochondrion|nucleus|cytoplasm YIL138C TPM2 hom FT VESICLE-MEDIATED TRANSPORT|CELL DIVISION|MITOCHONDRION ORGANIZATION|CYTOSKELETON ORGANIZATION|RNA LOCALIZATION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.00488668603424961 0.777284005360441 2161 Minor isoform of tropomyosin; binds to and stabilizes actin cables and filaments, which direct polarized cell growth and the distribution of several organelles; appears to have distinct and also overlapping functions with Tpm1p; TPM2 has a paralog, TPM1, that arose from the whole genome duplication vacuole inheritance|exocytosis|intracellular mRNA localization|budding cell apical bud growth|budding cell isotropic bud growth|mitochondrion inheritance|actin polymerization or depolymerization|vesicle-mediated transport|actin filament organization|establishment of cell polarity|actin filament bundle assembly actin lateral binding cellular bud neck contractile ring|actin filament bundle YPR137W RRP9 het FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|RIBOSOME BIOGENESIS|NUCLEUS 0.00488248030194569 0.777567661321477 2162 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 YGL053W PRM8 hom FT VESICLE-MEDIATED TRANSPORT|ENDOPLASMIC RETICULUM|PLASMA MEMBRANE 0.00488187656204058 0.777497429349074 2163 Pheromone-regulated protein with 2 predicted transmembrane segments and an FF sequence, a motif involved in COPII binding; forms a complex with Prp9p in the ER; member of DUP240 gene family biological_process molecular_function integral to membrane|endoplasmic reticulum|plasma membrane YML094W GIM5 hom FT PROTEIN COMPLEX ORG/BIOGENESIS 0.00487862321089997 0.777641808798422 2164 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 YNR004W_p SWM2 hom FT NUCLEUS 0.00487538505398656 0.777785521569118 2165 Putative protein of unknown function; haploid disruptant exhibits cold-sensitive growth and elongated buds biological_process molecular_function nucleolus YER117W RPL23B hom FT TRANSLATION|RIBOSOME 0.00486852688987251 0.778251226897294 2166 Ribosomal 60S subunit protein L23B; homologous to mammalian ribosomal protein L23 and bacterial L14; RPL23B has a paralog, RPL23A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome cytosolic large ribosomal subunit YPL154C PEP4 hom FT MEMBRANE ORGANIZATION|PROTEOLYSIS|RESPONSE TO NUTRIENT LEVELS|MITOCHONDRION 0.0048503021553304 0.778898983732736 2167 Vacuolar aspartyl protease (proteinase A), required for the posttranslational precursor maturation of vacuolar proteinases; important for protein turnover after oxidative damage; synthesized as a zymogen, self-activates microautophagy|proteolysis involved in cellular protein catabolic process|cellular response to starvation peptidase activity fungal-type vacuole lumen|mitochondrion|fungal-type vacuole YGL153W PEX14 hom FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|PEROXISOME ORGANIZATION 0.00483937058941458 0.779384392118768 2168 Peroxisomal membrane peroxin that is a central component of the peroxisomal protein import machinery; interacts with both PTS1 (Pex5p) and PTS2 (Pex7p), peroxisomal matrix protein signal recognition factors and membrane receptor Pex13p protein import into peroxisome matrix, docking protein binding, bridging peroxisomal membrane YOL162W_p YOL162W hom 0.00483463859931701 0.779594539447405 2169 Putative protein of unknown function; member of the Dal5p subfamily of the major facilitator family transmembrane transport transmembrane transporter activity integral to membrane|membrane YDR452W PPN1 hom FT NUCLEUS 0.00482401956683496 0.780066188479871 2170 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 YEL028W_d YEL028W hom 0.00481987847160915 0.780282093106091 2171 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR119W SRN2 hom FT PROTEIN LOCALIZATION|PROTEOLYSIS|VACUOLAR TRANSPORT 0.00481004303712663 0.780687085560665 2172 Component of the ESCRT-I complex, which is involved in ubiquitin-dependent sorting of proteins into the endosome; suppressor of rna1-1 mutation; may be involved in RNA export from nucleus protein targeting to membrane|ubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway|protein targeting to vacuole protein binding endosome|ESCRT I complex YCL063W VAC17 hom 0.0048087646048352 0.780743885962317 2173 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 YMR272C SCS7 hom FT KETONE METABOLISM|LIPID METABOLISM|OXIDATION-REDUCTION PROCESS|GEN. OF PRECURSOR METABOLITES AND ENERGY|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00479137304899967 0.781675653774714 2174 Sphingolipid alpha-hydroxylase, functions in the alpha-hydroxylation of sphingolipid-associated very long chain fatty acids, has both cytochrome b5-like and hydroxylase/desaturase domains, not essential for growth inositolphosphoceramide metabolic process fatty acid alpha-hydroxylase activity integral to membrane|endoplasmic reticulum|membrane YNL152W INN1 het FT CELL CYCLE|CELL DIVISION|SITE OF POLARIZED GROWTH|CYTOSKELETON 0.00476097815045445 0.782867861582576 2175 Essential protein that associates with contractile actomyosin ring; required for ingression of the plasma membrane into the bud neck during cytokinesis; C2 domain, a membrane targeting module, is required for function; activates chitin synthase activity of Chs2p during cytokinesis cytokinesis after mitosis|chromosome organization|barrier septum assembly involved in cell cycle cytokinesis|cytokinesis phospholipid binding cellular bud neck contractile ring|cytoplasm YMR053C STB2 hom FT NUCLEUS|CHROMOSOME 0.00473382678075242 0.784169682731013 2176 Protein that interacts with Sin3p in a two-hybrid assay and is part of a large protein complex with Sin3p and Stb1p biological_process molecular_function Sin3-type complex YPR057W BRR1 hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RNA PROCESSING|NUCLEUS 0.00470773658259444 0.785236207973429 2177 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 YNR065C_p YNR065C hom 0.0047055688704609 0.785332676661057 2178 Protein of unknown function; protein-protein interactions suggest a possible role in actin patch formation; YNR065C is not an essential gene biological_process molecular_function integral to membrane YPL064C CWC27 hom FT RNA PROCESSING|NUCLEUS 0.00470193570027743 0.785494369338433 2179 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 YNL070W TOM7 hom FF|FT PROTEIN LOCALIZATION|MEMBRANE ORGANIZATION|MITOCHONDRION ORGANIZATION|MITOCHONDRION 0.00467412369050792 0.786732436853033 2180 Component of the TOM (translocase of outer membrane) complex responsible for recognition and initial import steps for all mitochondrially directed proteins; promotes assembly and stability of the TOM complex protein import into mitochondrial matrix|protein import into mitochondrial outer membrane protein channel activity mitochondrial outer membrane|mitochondrion|integral to membrane|mitochondrial outer membrane translocase complex YOR072W_d YOR072W hom FF 0.00462707313762458 0.788828145076731 2181 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 YLL060C GTT2 hom FT KETONE METABOLISM|AMINO ACID METABOLISM|MITOCHONDRION 0.00456340549886905 0.791666436326762 2182 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 YNL226W_d YNL226W hom 0.00453252683230071 0.793043998666926 2183 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data; overlaps the verified gene JJJ1/YNL227C Unknown Unknown Unknown YOR021C SFM1 hom 0.00451953348069134 0.793623852742623 2184 SPOUT methyltransferase; catalyzes omega-monomethylation of Rps3p on Arg-146; not an essential gene; predicted to be involved in rRNA processing and ribosome biogenesis and in biopolymer catabolism peptidyl-arginine methylation protein-arginine omega-N monomethyltransferase activity cellular_component YHR146W CRP1 hom FT NUCLEUS 0.004510930819427 0.794007826328754 2185 Protein that binds to cruciform DNA structures biological_process DNA binding nucleus YDL061C RPS29B hom FT TRANSLATION|RIBOSOME 0.00449118429587934 0.794889386782838 2186 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 YLR014C PPR1 hom FT TRANSCRIPTION FROM RNA POL II|NUCLEOTIDE METABOLISM|NUCLEUS 0.00447806394867479 0.795475274213791 2187 Zinc finger transcription factor containing a Zn(2)-Cys(6) binuclear cluster domain, positively regulates transcription of URA1, URA3, URA4, and URA10, which are involved in de novo pyrimidine biosynthesis, in response to pyrimidine starvation; activity may be modulated by interaction with Tup1p positive regulation of transcription from RNA polymerase II promoter sequence-specific DNA binding RNA polymerase II transcription factor activity|sequence-specific DNA binding|zinc ion binding nucleus YMR301C ATM1 het FT ION HOMEOSTASIS|NUCLEOTIDE METABOLISM|ION HOMEOSTASIS|MITOCHONDRION 0.00442875069267774 0.797707919308806 2188 Mitochondrial inner membrane ATP-binding cassette (ABC) transporter, exports mitochondrially synthesized precursors of iron-sulfur (Fe/S) clusters to the cytosol cellular iron ion homeostasis ATPase activity, coupled to transmembrane movement of substances|ATPase activity mitochondrion|integral to membrane|mitochondrial inner membrane YLR029C RPL15A het FT TRANSLATION|RIBOSOME 0.00442857756673991 0.797686117199863 2189 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 YHR097C_p YHR097C hom FT NUCLEUS 0.00442649586366161 0.79777915461736 2190 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the cytoplasm and the nucleus biological_process molecular_function nucleus|cytoplasm YIR033W MGA2 hom FT TRANSCRIPTION FROM RNA POL II|KETONE METABOLISM|LIPID METABOLISM|GENE SILENCING|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.00439240008040141 0.79930340291208 2191 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 YBR134W_d YBR134W hom 0.00438614561181101 0.799583091419904 2192 Dubious open reading frame unlikely to encode a functional protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YNL022C_p YNL022C hom FT NUCLEUS 0.00436358249927073 0.800592286269204 2193 Putative cytosine 5-methyltransferase, contains seven beta-strand methyltransferase motif similar to NOP2/YNL061W; green fluorescent protein (GFP)-fusion protein localizes to the nucleus; predicted to be involved in ribosome biogenesis biological_process tRNA (cytosine-5-)-methyltransferase activity nucleus YDR425W SNX41 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT 0.00436000063795732 0.800839870118141 2194 Sorting nexin, involved in the retrieval of late-Golgi SNAREs from the post-Golgi endosome to the trans-Golgi network; interacts with Snx4p retrograde transport, endosome to Golgi phosphatidylinositol binding|phosphatidylinositol-3-phosphate binding endosome YPL249C-A RPL36B hom FT TRANSLATION|RIBOSOME 0.00435073537883995 0.801167056495197 2195 Ribosomal 60S subunit protein L36B; binds to 5.8 S rRNA; homologous to mammalian ribosomal protein L36, no bacterial homolog; RPL36B has a paralog, RPL36A, that arose from the whole genome duplication cytoplasmic translation structural constituent of ribosome|RNA binding cytosolic large ribosomal subunit YNL251C NRD1 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|NUCLEUS 0.00432433432357443 0.802348556721749 2196 RNA-binding protein, subunit of Nrd1 complex (Nrd1p-Nab3p-Sen1p); complex interacts with the exosome to mediate 3′ end formation of some mRNAs, snRNAs, snoRNAs, and CUTs; interacts with the C-terminal domain of the RNA polymerase II large subunit (Rpo21p), preferentially at phosphorylated Ser5, to direct transcription termination of non-polyadenylated transcripts; H3K4 trimethylation of transcribed regions by Set1p enhances recruitment of Nrd1p to those sites mRNA 3'-end processing|nuclear mRNA surveillance|termination of RNA polymerase II transcription, exosome-dependent|antisense RNA transcript catabolic process|tRNA 3'-end processing|snRNA 3'-end processing|snoRNA 3'-end processing|CUT catabolic process RNA binding|transcription regulatory region RNA binding|protein domain specific binding Nrd1 complex|nucleus YDR188W CCT6 het 0.00431815389128855 0.802885010350212 2197 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 YPL245W_p YPL245W hom FT NUCLEUS 0.00429358788749658 0.803725090792835 2198 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 YGL258W VEL1 hom 0.00428887497402737 0.803936144307926 2199 Protein of unknown function; highly induced in zinc-depleted conditions and has increased expression in NAP1 deletion mutants; VEL1 has paralog YOR387C biological_process molecular_function cytosol YPL074W YTA6 hom 0.00428639946392916 0.804047008233072 2200 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 YPL103C FMP30 hom FT LIPID METABOLISM|MITOCHONDRION 0.00428263402203848 0.804215648371862 2201 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 YOR322C LDB19 hom FT VESICLE-MEDIATED TRANSPORT|CELL CYCLE|MEMBRANE ORGANIZATION|GOLGI APPARATUS|PLASMA MEMBRANE 0.0042786050916114 0.804396099268399 2202 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 YCR087C-A_p YCR087C-A hom FT NUCLEUS 0.00427272131255305 0.804659645294515 2203 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 YDL212W SHR3 het FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM|SITE OF POLARIZED GROWTH 0.00426028576269113 0.805216730986018 2204 Endoplasmic reticulum packaging chaperone, required for incorporation of amino acid permeases into COPII coated vesicles for transport to the cell surface protein folding|ER to Golgi vesicle-mediated transport unfolded protein binding integral to endoplasmic reticulum membrane|integral to membrane|mating projection tip YER131W RPS26B hom FT PROTEIN COMPLEX ORG/BIOGENESIS|RIBOSOME BIOGENESIS|TRANSLATION|RNA LOCALIZATION|RIBOSOME 0.00425759545739466 0.805337263850069 2205 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 YNL115C_p YNL115C hom 0.00424334335618083 0.805975873121383 2206 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to mitochondria; YNL115C is not an essential gene biological_process molecular_function integral to membrane|fungal-type vacuole YGR229C SMI1 hom FF|FT CELL CYCLE|CELL WALL ORG/BIOGENESIS|NUCLEUS|SITE OF POLARIZED GROWTH 0.00421045519924528 0.807450021228419 2207 Protein involved in the regulation of cell wall synthesis; proposed to be involved in coordinating cell cycle progression with cell wall integrity regulation of mitotic cell cycle|regulation of fungal-type cell wall biogenesis molecular_function incipient cellular bud site|cellular bud neck|mating projection tip YPL139C UME1 hom FT TRANSCRIPTION FROM RNA POL II|CELL CYCLE|CHROMATIN ORGANIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.00416857504260151 0.80932820749577 2208 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 YPL210C SRP72 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|ENDOMEMBRANE SYSTEM|NUCLEUS|ENDOPLASMIC RETICULUM 0.00414070711727222 0.810578600916187 2209 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 YIL045W PIG2 hom FT OXIDATION-REDUCTION PROCESS|CARBOHYDRATE METABOLISM|GEN. OF PRECURSOR METABOLITES AND ENERGY 0.0040893993086203 0.81288196974267 2210 Putative type-1 protein phosphatase targeting subunit that tethers Glc7p type-1 protein phosphatase to Gsy2p glycogen synthase regulation of glycogen biosynthetic process protein phosphatase type 1 regulator activity cytoplasm YBL013W FMT1 hom FT KETONE METABOLISM|RNA PROCESSING|AMINO ACID METABOLISM|TRANSLATION|MITOCHONDRION 0.00408621923184434 0.813024786870747 2211 Methionyl-tRNA formyltransferase, catalyzes the formylation of initiator Met-tRNA in mitochondria; potential Cdc28p substrate translational initiation|methionyl-tRNA aminoacylation methionyl-tRNA formyltransferase activity mitochondrion YDL101C DUN1 hom FT CELL CYCLE|RESPONSE TO DNA DAMAGE|PROTEIN PHOSPHORYLATION|NUCLEUS 0.0040785797162827 0.813367902618323 2212 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 YJL215C_d YJL215C hom 0.00407810514549452 0.813389218333773 2213 Dubious open reading frame unlikely to encode a protein, based on available experimental and comparative sequence data Unknown Unknown Unknown YLR012C_p YLR012C hom 0.00406898404302949 0.813935365469172 2214 Putative protein of unknown function; YLR012C is not an essential gene biological_process molecular_function cellular_component YLR050C_p YLR050C hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00405323501709795 0.814506472435469 2215 Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; YLR050C is not an essential gene biological_process molecular_function integral to membrane|endoplasmic reticulum YBL036C YBL036C hom 0.00405261088671867 0.814534515440434 2216 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 YLL014W EMC6 hom FT ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00404768392344783 0.814891662730439 2217 Member of conserved ER transmembrane complex; required for efficient folding of proteins in the ER; null mutant displays induction of the unfolded protein response; homologous to worm F33D4.7/EMC-6, fly CG11781, human TMEM93 protein folding in endoplasmic reticulum molecular_function ER membrane protein complex|integral to membrane|endoplasmic reticulum YDL084W SUB2 het FT TRANSCRIPTION FROM RNA POL II|RNA PROCESSING|RESPONSE TO DNA DAMAGE|RNA LOCALIZATION|GENE SILENCING|NUCLEUS|CHROMOSOME 0.00404509088505926 0.81487241774376 2218 Component of the TREX complex required for nuclear mRNA export; member of the DEAD-box RNA helicase superfamily and is involved in early and late steps of spliceosome assembly; homolog of the human splicing factor hUAP56; relocalizes from nucleus to cytoplasm upon DNA replication stress mRNA 3'-end processing|mRNA export from nucleus|transcription-coupled nucleotide-excision repair|mRNA splicing, via spliceosome|transcription elongation from RNA polymerase II promoter|chromatin silencing at telomere ATP-dependent RNA helicase activity chromosome, telomeric region|nucleus|transcription export complex|spliceosomal complex YMR040W YET2 hom FT PROTEIN LOCALIZATION|VESICLE-MEDIATED TRANSPORT|ENDOMEMBRANE SYSTEM|ENDOPLASMIC RETICULUM 0.00402203462285846 0.81593561928445 2219 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 YLR347C KAP95 het FT PROTEIN LOCALIZATION|PROTEIN COMPLEX ORG/BIOGENESIS|LIPID METABOLISM|ENDOMEMBRANE SYSTEM|NUCLEUS|NUCLEAR PORE 0.00401904092217183 0.816151083361507 2220 Karyopherin beta, forms a complex