4932 |
YAL013W |
Transcriptional modulator involved in regulation of structural phospholipid biosynthesis genes and metabolically unrelated genes, as well as maintenance of telomeres, mating efficiency, and sporulation |
|
DEP1 |
4932 |
YAL021C |
Component of the CCR4-NOT transcriptional complex, which is involved in regulation of gene expression; component of the major cytoplasmic deadenylase, which is involved in mRNA poly(A) tail shortening |
reduced levels of ADH2 expression under both glucose and ethanol growth conditions; temperature sensitive growth on nonfermentative medium |
CCR4 |
4932 |
YBR231C |
Protein of unknown function, component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A |
Null: Cold-sensitive; Benomyl hypersensitive; Latrunculin-A hypersensitive |
SWC5 |
4932 |
YDL020C |
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 |
Null mutant is viable, exhibits synthetic interactions with sen3, sun1, and cdc28-1N |
RPN4 |
4932 |
YDL220C |
Single stranded DNA-binding protein found at TG1-3 telomere G-tails; regulates telomere replication through recruitment of specific sub-complexes, but the essential function is telomere capping |
|
CDC13 |
4932 |
YDR334W |
Swi2/Snf2-related ATPase that is the structural component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A |
Null: Null mutant is viable and shows no growth defects; swr1 rat8-2 and swr1 rsc9-1double mutants has a slow growth phenotype; SWR1 is a partial High copy suppressor of pse1-1 kap123 |
SWR1 |
4932 |
YDR485C |
Htz1p-binding component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A; required for vacuolar protein sorting |
Null mutant secretes CPY. |
VPS72 |
4932 |
YER083C |
Subunit of the GET complex; required for meiotic nuclear division and for the retrieval of HDEL proteins from the Golgi to the ER in an ERD2 dependent fashion; may be involved in cell wall function |
null is hypersensitive to calcofluor white suffer an increased spheroplast lysis rate |
GET2 |
4932 |
YGL020C |
Subunit of the GET complex; 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 |
Null: Required for spore wall formation, but not IME1 induction or nuclear division |
GET1 |
4932 |
YGR229C |
Protein involved in the regulation of cell wall synthesis; proposed to be involved in coordinating cell cycle progression with cell wall integrity |
Null mutant is viable, shows osmotic sensitivity, sensitivity to cercosporamide, resistance to zymolase; temperature sensitive mutant arrests at S phase with small buds |
SMI1 |
4932 |
YJL168C |
Histone methyltransferase with a role in transcriptional elongation, methylates a lysine residue of histone H3; associates with the C-terminal domain of Rpo21p; histone methylation activity is regulated by phosphorylation status of Rpo21p |
null is viable; a point mutant suppresses deletion of the UAS in the GAL4 promoter |
SET2 |
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 |
YKL139W |
Catalytic (alpha) subunit of C-terminal domain kinase I (CTDK-I), which phosphorylates the C-terminal repeated domain of the RNA polymerase II large subunit (Rpo21p) to affect both transcription and pre-mRNA 3- end processing |
Null mutations in each of the CTK1, CTK2, and CTK3 genes cause slow growth, cold-sensitivity, flocculence, and enlarged cell size. |
CTK1 |
4932 |
YLR039C |
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 |
defective in the transcription of both ribosomal protein genes and ribosomal RNA |
RIC1 |
4932 |
YLR055C |
Subunit of the SAGA transcriptional regulatory complex but not present in SAGA-like complex SLIK/SALSA, required for SAGA-mediated inhibition at some promoters |
Null mutant is viable, no growth defects, exhibits suppression of Ty insertion mutations, defects in Ty transcription |
SPT8 |
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 |
YLR350W |
Evolutionarily conserved protein with similarity to Orm1p, required for resistance to agents that induce the unfolded protein response; human ortholog is located in the endoplasmic reticulum |
Null: Single knockout is viable. <br> Double ORM1 ORM2 knockout shows impaired growth and high sensitivity to several toxic agents, particularly to tunicamycin, DTT and HgCl2. |
ORM2 |
4932 |
YLR384C |
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) |
Null mutant is viable; insensitive to pGKL killer toxin; zymotoxin resistant; slow growth; thermo-sensitive above 38 0C; caffeine, Calcofluor White and 6-azauracil sensitive; G1 cell cycle delay |
IKI3 |
4932 |
YML041C |
Nucleosome-binding component of the SWR1 complex, which exchanges histone variant H2AZ (Htz1p) for chromatin-bound histone H2A; required for vacuolar protein sorting |
Null mutant secretes CPY. |
VPS71 |
4932 |
YMR263W |
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 |
|
SAP30 |
4932 |
YNL097C |
Probable component of the Rpd3 histone deacetylase complex, involved in transcriptional regulation of PHO5; C-terminus has similarity to human candidate tumor suppressor p33(ING1) |
Null mutant is viable but shows constitutive PHO5 expression |
PHO23 |
4932 |
YNL107W |
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 |
|
YAF9 |
4932 |
YOL012C |
Histone variant H2AZ, exchanged for histone H2A in nucleosomes by the SWR1 complex; involved in transcriptional regulation through prevention of the spread of silent heterochromatin |
Null mutant is viable at 28C; high copy suppressor of histone H4 point mutant affecting nucleosome structure |
HTZ1 |
4932 |
YPL153C |
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 |
Null mutant is inviable, radiation sensitive |
RAD53 |
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 |