| 4932 |
YAL024C |
Putative GDP/GTP exchange factor required for mitotic exit at low temperatures; acts as a guanine nucleotide exchange factor (GEF) for Tem1p, which is a key regulator of mitotic exit; physically associates with Ras2p-GTP |
lethal at low temperature (8 degrees C) |
LTE1 |
| 4932 |
YBR136W |
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; monitors and participates in meiotic recombination |
Null mutant is inviable; overproduction of Rad53p rescues some esr1 alleles |
MEC1 |
| 4932 |
YCL016C |
Subunit of a complex with Ctf8p and Ctf18p that shares some components with Replication Factor C, required for sister chromatid cohesion and telomere length maintenance |
benomyl sensitive and defective in sister chromatid cohesion |
DCC1 |
| 4932 |
YCR086W |
Nucleolar protein that forms a complex with Lrs4p which binds Mam1p at kinetochores during meiosis I to mediate accurate chromosome segregation, may be involved in premeiotic DNA replication; possible role in telomere maintenance |
|
CSM1 |
| 4932 |
YDL013W |
Protein containing a RING finger domain that interacts with Slx8p; mutant phenotypes and genetic interactions suggest a role in sumoylation and in genome stability |
null is synthetically lethal with sgs1 null |
SLX5 |
| 4932 |
YDL040C |
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 |
Null mutant is viable, has reduced acetyltransferase activity, derepressed silent mating type locus (HML) and fails to enter G0 |
NAT1 |
| 4932 |
YER016W |
Microtubule-binding protein that together with Kar9p makes up the cortical microtubule capture site and delays the exit from mitosis when the spindle is oriented abnormally |
Null mutant is viable, causes cold sensitivity, benomyl supersensitivity, aberrant microtubule morphology. During mitosis in bim1 mutants, the nucleus fails to move to the mother-bud neck. |
BIM1 |
| 4932 |
YGL058W |
Ubiquitin-conjugating enzyme (E2), involved in postreplication repair (with Rad18p), sporulation, telomere silencing, and ubiquitin-mediated N-end rule protein degradation (with Ubr1p) |
Radiation sensitive. Defective for postreplication repair, repression of retrotransposition, meiotic gene conversion and sporulation. Mutations in srs2 suppress rad6 radiation-sensitivity but not the sporulation defect. rad6 forms recombination intermediates. mgs1 is synthetic lethal with rad6.; Deletion mutants of this post-replication repair (PRR) gene do not have any cross-link-induced mutations but show increased levels of recombination. |
RAD6 |
| 4932 |
YGL167C |
High affinity Ca2+/Mn2+ P-type ATPase required for Ca2+ and Mn2+ transport into Golgi; involved in Ca2+ dependent protein sorting and processing; mutations in human homolog ATP2C1 cause acantholytic skin condition Hailey-Hailey disease |
pmr1 null mutants suppress ypt1-1 |
PMR1 |
| 4932 |
YHR013C |
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 |
|
ARD1 |
| 4932 |
YHR030C |
Serine/threonine MAP kinase involved in regulating the maintenance of cell wall integrity and progression through the cell cycle; regulated by the PKC1-mediated signaling pathway |
Null mutant is viable but temperature sensitive. At elevated temperatures or in the presence of caffeine, mull mutants exhibit cell wall defects that result in cell lysis. Lysis is prevented by addition of 1M sorbitol. |
SLT2 |
| 4932 |
YHR129C |
Actin-related protein of the dynactin complex; required for spindle orientation and nuclear migration; putative ortholog of mammalian centractin |
Null mutant is viable, but both null mutations and overexpression lead to defects in spindle orientation and nuclear migration (during mitosis in arp1 mutants the nucleus fails to move into the neck). |
ARP1 |
| 4932 |
YHR191C |
Subunit of a complex with Ctf18p that shares some subunits with Replication Factor C and is required for sister chromatid cohesion |
|
CTF8 |
| 4932 |
YJL013C |
Subunit of the spindle-assembly checkpoint complex, which delays anaphase onset in cells with defects in mitotic spindle assembly; pseudosubstrate inhibitor of APC(Cdc20), the anaphase promoting complex involved in securin (Pds1p) turnover |
Null mutant is viable, benomyl/nocodazole sensitive |
MAD3 |
| 4932 |
YKL113C |
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 |
Null mutant demonstrates temperature-sensitive growth and sensitivity to UV light and methylmethane sulfonate. rad27 mutant cells are defective in Okazaki fragment maturation. |
RAD27 |
| 4932 |
YLR085C |
Actin-related protein that binds nucleosomes; a component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A |
|
ARP6 |
| 4932 |
YLR320W |
Protein involved in resistance to ionizing radiation; acts with Mms1p in a repair pathway that may be involved in resolving replication intermediates or preventing the damage caused by blocked replication forks |
Null: Null phenotype in haploids of either mating type and diploid is extreme sensitivity to MMS or hydroxyurea, moderate sensitivity to gamma or UV irradiation. Diploid is very sensitive to camtothecin. Diploid is also sensitive to bleomycin.. |
MMS22 |
| 4932 |
YMR048W |
Protein required for accurate chromosome segregation during meiosis |
Null: missegregates chromosomes in meiosis |
CSM3 |
| 4932 |
YMR078C |
Subunit of a complex with Ctf8p that shares some subunits with Replication Factor C and is required for sister chromatid cohesion; may have overlapping functions with Rad24p in the DNA damage replication checkpoint |
Null mutant is viable, exhibits increased level of spontaneous mitotic recombination, slow growth, and cold sensitivity |
CTF18 |
| 4932 |
YNL199C |
Transcriptional activator of genes involved in glycolysis; interacts and functions with the DNA-binding protein Gcr1p |
Null mutant is viable and has partial growth defect on glucose-containing media |
GCR2 |
| 4932 |
YNL273W |
Subunit of a replication-pausing checkpoint complex (Tof1p-Mrc1p-Csm3p) that acts at the stalled replication fork to promote sister chromatid cohesion after DNA damage, facilitating gap repair of damaged DNA; interacts with the MCM helicase |
|
TOF1 |
| 4932 |
YNR052C |
RNase of the DEDD superfamily, subunit of the Ccr4-Not complex that mediates 3- to 5- mRNA deadenylation |
Mutant is resistant to glucose derepression, temperature-sensitive, and unable to sporulate and contains reduced amounts of reserve carbohydrates |
POP2 |
| 4932 |
YOR080W |
Origin-binding F-box protein that forms an SCF ubiquitin ligase complex with Skp1p and Cdc53p; plays a role in DNA replication, involved in invasive and pseudohyphal growth |
Enhanced invasive growth in haploids; haploid budding pattern becomes polar. |
DIA2 |
| 4932 |
YPL174C |
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) |
Null mutant is viable but exhibits slow growth and defects in partitioning into daughter cells. |
NIP100 |
| 4932 |
YPR135W |
Chromatin-associated protein, required for sister chromatid cohesion; interacts with DNA polymerase alpha (Pol1p) and may link DNA synthesis to sister chromatid cohesion |
Null mutant is viable but shows increase in the rate of mitotic chromosome loss, increased mitotic recombination, shift toward cells with G2 DNA content, and large budded cells with the nucleus in the bud neck; shows synthetic interactions with rad52, pol1, rad9, and esr1 |
CTF4 |
