Essential kinetochore protein; component of the CBF3 multisubunit complex that binds to the CDEIII region of the centromere; Cbf2p also binds to the CDEII region possibly forming a different multimeric complex, ubiquitinated in vivo; relative distribution to the spindle pole body decreases upon DNA replication stress
Zygosity: Heterozygous strain
fixedexpanded
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Top fitness defect scores for YGR140W deletion by condition
Download Fitness data (tab-delimited text) (excel) |
Correlation | pval | ORF | Gene | Zygosity | Description |
---|---|---|---|---|---|
0.187 | 8.10E-28 | YJR072C | NPA3 | het | Member of the conserved GPN-loop GTPase family; has a role in transport of RNA polymerase II to the nucleus; exhibits GTP-dependent binding to PolII; has ATPase activity; involved in sister chromatid cohesion; phosphorylated by the Pcl1p-Pho85p kinase complex; human homolog XAB1 interacts with human RNA polymerase II; protein abundance increases in response to DNA replication stress |
0.174 | 3.47E-24 | YOR159C | SME1 | het | Core Sm protein Sm E; part of heteroheptameric complex (with Smb1p, Smd1p, Smd2p, Smd3p, Smx3p, and Smx2p) that is part of the spliceosomal U1, U2, U4, and U5 snRNPs; homolog of human Sm E |
0.172 | 7.80E-24 | YLR117C | CLF1 | het | Member of the NineTeen Complex (NTC) that contains Prp19p and stabilizes U6 snRNA in catalytic forms of the spliceosome containing U2, U5, and U6 snRNAs; homolog of Drosophila crooked neck protein; interacts with U1 snRNP proteins |
0.161 | 6.25E-21 | YML098W | TAF13 | het | TFIID subunit (19 kDa), involved in RNA polymerase II transcription initiation, similar to histone H4 with atypical histone fold motif of Spt3-like transcription factors |
0.146 | 2.25E-17 | YER013W | PRP22 | het | DEAH-box RNA-dependent ATPase/ATP-dependent RNA helicase, associates with lariat intermediates before the second catalytic step of splicing; mediates ATP-dependent mRNA release from the spliceosome and unwinds RNA duplexes |
0.126 | 2.69E-13 | YBL004W | UTP20 | het | Component of the small-subunit (SSU) processome, which is involved in the biogenesis of the 18S rRNA |
0.124 | 5.93E-13 | YAL034W-A | MTW1 | het | Essential component of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits contacting DNA to those contacting microtubules; critical to kinetochore assembly |
0.123 | 1.05E-12 | YER159C | BUR6 | het | 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 |
0.121 | 2.39E-12 | YIL083C | CAB2 | het | Probable phosphopantothenoylcysteine synthetase (PPCS), which catalyzes the second step of coenzyme A biosynthesis from pantothenate; null mutant lethality is complemented by E. coli coaBC (encoding a bifunctional enzyme with PPCS activity) |
0.117 | 1.09E-11 | YFR031C | SMC2 | het | Subunit of the condensin complex; essential SMC chromosomal ATPase family member that forms a complex with Smc4p to form the active ATPase; Smc2p/Smc4p complex binds DNA; required for clustering of tRNA genes at the nucleolus |
0.117 | 1.33E-11 | YDR088C | SLU7 | het | RNA splicing factor, required for ATP-independent portion of 2nd catalytic step of spliceosomal RNA splicing; interacts with Prp18p; contains zinc knuckle domain |
0.114 | 3.65E-11 | YGL144C | ROG1 | hom | Protein with putative serine active lipase domain; ROG1 has a paralog, YDL109C, that arose from the whole genome duplication |
0.114 | 4.03E-11 | YHR166C | CDC23 | het | 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 |
0.108 | 4.20E-10 | YGR280C | PXR1 | het | 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 |
0.106 | 7.83E-10 | YKL024C | URA6 | het | Uridylate kinase, catalyzes the seventh enzymatic step in the de novo biosynthesis of pyrimidines, converting uridine monophosphate (UMP) into uridine-5'-diphosphate (UDP) |