| 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 |
YDR174W |
Chromatin associated high mobility group (HMG) family member involved in genome maintenance; rDNA-binding component of the Pol I transcription system; associates with a 5--3- DNA helicase and Fpr1p, a prolyl isomerase |
Null mutant is viable, but grows slowly and shows higher than normal plasmid loss rate |
HMO1 |
| 4932 |
YER133W |
Catalytic subunit of type 1 serine/threonine protein phosphatase, involved in many processes including glycogen metabolism, sporulation, and mitosis; interacts with multiple regulatory subunits; predominantly isolated with Sds22p |
|
GLC7 |
| 4932 |
YFL024C |
Component of NuA4, which is an essential histone H4/H2A acetyltransferase complex; homologous to Drosophila Enhancer of Polycomb |
|
EPL1 |
| 4932 |
YGR105W |
Integral membrane protein that is 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 yeast endoplasmic reticulum (ER) |
Null mutant is viable but grows slowly and exhibits increased calcium sensitivity. Null mutants also cannot grow on glycerol or at pH 7.5 |
VMA21 |
| 4932 |
YGR106C |
Putative protein of unknown function; green fluorescent protein (GFP)-fusion protein localizes to the vacuolar memebrane |
|
YGR106C |
| 4932 |
YJR033C |
Subunit of the RAVE complex (Rav1p, Rav2p, Skp1p), which promotes assembly of the V-ATPase holoenzyme; required for transport between the early and late endosome/PVC and for localization of TGN membrane proteins; potential Cdc28p substrate |
|
RAV1 |
| 4932 |
YJR059W |
Putative serine/threonine protein kinase involved in regulation of ion transport across plasma membrane; enhances spermine uptake |
Mutant shows reduced spermine and putrescine uptake and is resistant to toxic polyamine analogs and Li+ and Na+ ions; ptk1 ptk2 double mutant shows virtaully abolished high-affinity spermidine transport |
PTK2 |
| 4932 |
YKR007W |
Component of the EGO complex, which is involved in the regulation of microautophagy, and of the GSE complex, which is required for proper sorting of amino acid permease Gap1p; loss results in a defect in vacuolar acidification |
|
MEH1 |
| 4932 |
YKR029C |
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 |
| 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 |
YMR161W |
Co-chaperone for Hsp40p, anchored in the ER membrane; with its homolog Hdj1p promotes ER-associated protein degradation (ERAD) of integral membrane substrates; similar to E. coli DnaJ |
|
HLJ1 |
| 4932 |
YMR216C |
SR protein kinase (SRPK) involved in regulating proteins involved in mRNA metabolism and cation homeostasis; similar to human SRPK1 |
Slow growth; Decreased in vivo phosphorylation of npl3p |
SKY1 |
| 4932 |
YMR307W |
Beta-1,3-glucanosyltransferase, required for cell wall assembly; localizes to the cell surface via a glycosylphosphatidylinositol (GPI) anchor |
|
GAS1 |
| 4932 |
YNL330C |
Histone deacetylase; regulates transcription and silencing |
Null mutant is viable and shows reduced potassium dependency, mating defects, hypersensitivity to cycloheximide, and constitutive derepression of acid phosphatase; mutant epistasis analysis indicates that RPD3 acts in the same pathway as UME4/SIN3; homozygous mutant diploid is defective in sporulation and recombination |
RPD3 |
| 4932 |
YNR051C |
Ubiquitin protease cofactor, forms deubiquitination complex with Ubp3p that coregulates anterograde and retrograde transport between the endoplasmic reticulum and Golgi compartments; null is sensitive to brefeldin A |
|
BRE5 |
| 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 |
YOL013C |
Ubiquitin-protein ligase required for endoplasmic reticulum-associated degradation (ERAD) of misfolded proteins; genetically linked to the unfolded protein response (UPR); regulated through association with Hrd3p; contains an H2 ring finger |
Null mutant is viable, slows degradation of Hmg2p |
HRD1 |
| 4932 |
YOR002W |
Alpha 1,3 glucosyltransferase, involved in transfer of oligosaccharides from dolichyl pyrophosphate to asparagine residues of proteins during N-linked protein glycosylation; mutations in human ortholog are associated with disease |
Null mutant is viable and defective in protein glycosylation. |
ALG6 |
| 4932 |
YOR046C |
Cytoplasmic ATP-dependent RNA helicase of the DEAD-box family involved in mRNA export from the nucleus; involved in translation termination |
dbp5(ts) strains exhibit rapid, synchronous accumulation of poly(A)+ RNA in nuclei when shifted to the non-permissive temperature |
DBP5 |
| 4932 |
YOR067C |
Glucosyl transferase, involved in N-linked glycosylation; adds glucose to the dolichol-linked oligosaccharide precursor prior to transfer to protein during lipid-linked oligosaccharide biosynthesis; similar to Alg6p |
|
ALG8 |
| 4932 |
YOR085W |
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 |
Null mutant is viable but shows underglycosylation of soluble and membrane-bound glycoproteins and contains less oligosaccharyltransferase activity in vitro |
OST3 |
| 4932 |
YOR244W |
Histone acetyltransferase catalytic subunit of the native multisubunit complex (NuA4) that acetylates four conserved internal lysines of histone H4 N-terminal tail; required for cell cycle progression |
|
ESA1 |
| 4932 |
YPL240C |
Cytoplasmic chaperone (Hsp90 family) required for pheromone signaling and negative regulation of Hsf1p; docks with the mitochondrial import receptor Tom70p for preprotein delivery; interacts with co-chaperones Cns1p, Cpr6p, Cpr7p, and Sti1p |
Null mutant is viable at 25 degrees C; ability to grow at higher temperatures varies with gene copy number |
HSC82 |
| 4932 |
YPR165W |
GTP-binding protein of the rho subfamily of Ras-like proteins, involved in establishment of cell polarity; regulates protein kinase C (Pkc1p) and the cell wall synthesizing enzyme 1,3-beta-glucan synthase (Fks1p and Gsc2p) |
null is inviable; synthetic lethal with bem2 |
RHO1 |
