| 4932 |
YDL006W |
Type 2C protein phosphatase (PP2C); inactivates the osmosensing MAPK cascade by dephosphorylating Hog1p; mutation delays mitochondrial inheritance; deletion reveals defects in precursor tRNA splicing, sporulation and cell separation |
Null mutant is viable; exhibits synthetic phenotypes in combination with ptp2, kcs1, and mpk1 (slt2) mutants; ptc1 mutations suppress the hyper-recombination of pkc1 mutants |
PTC1 |
| 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 |
YDR126W |
Palmitoyltransferase that acts on the SNAREs Snc1p, Syn8p, Tlg1p and likely on all SNAREs; member of a family of putative palmitoyltransferases containing an Asp-His-His-Cys-cysteine rich (DHHC-CRD) domain; may have a role in vacuole fusion |
Profilin synthetic lethal |
SWF1 |
| 4932 |
YDR359C |
Component of the NuA4 histone acetyltransferase complex |
|
EAF1 |
| 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 |
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 |
YER122C |
ADP-ribosylation factor GTPase activating protein (ARF GAP), involved in ER-Golgi transport; shares functional similarity with Gcs1p |
|
GLO3 |
| 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 |
YGR078C |
Part of the heteromeric co-chaperone GimC/prefoldin complex, which promotes efficient protein folding |
Null mutant is viable, benomyl sensitive, cold sensitive, microtubules disassemble at 14 degrees celsius, pac10 mutants exhibit synthetic lethality with tub4-1, cin8, cin1, pac2 and rbl2 mutants |
PAC10 |
| 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 |
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 |
YHR090C |
Subunit of the NuA4 histone acetyltransferase complex that acetylates histone H4 and H2A; has similarity to the human tumor suppressor ING1 |
carbon source-, heat shock-, temperature-, and caffeine-sensitive, abnormal morphology, reduced histone H4 acetylation; BEM and RAD phenotypes; haploid yng2 mutants do not tolerate mutations in genes important for nonhomologous end joining repair yet remain proficient for homologous recombination. |
YNG2 |
| 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 |
YJL081C |
Nuclear actin-related protein involved in chromatin remodeling, component of chromatin-remodeling enzyme complexes |
|
ARP4 |
| 4932 |
YKL190W |
Calcineurin B; the regulatory subunit of calcineurin, a Ca++/calmodulin-regulated type 2B protein phosphatase which regulates Crz1p (a stress-response transcription factor), the other calcineurin subunit is encoded by CNA1 and/or CMP1 |
Null mutant is viable, Li+ and Na+ sensitive, cnb1 fks1 and cnb1 vma3 double mutants are inviable |
CNB1 |
| 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 |
YMR038C |
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 |
Null mutant is viable, methionine and lysine auxotroph, pH and temperature sensitive; sensitive to superoxide generating drugs and light irradiation, exhibits diminution of calcineurin activity |
CCS1 |
| 4932 |
YMR123W |
V-ATPase assembly factor, functions with other V-ATPase assembly factors in the ER to efficiently assemble the V-ATPase membrane sector (V<sub>0</sub>); overproduction confers resistance to Pichia farinosa killer toxin |
Confers resistance to Pichia farinosa killer toxin (SMK toxin) when overexpressed |
PKR1 |
| 4932 |
YMR186W |
Cytoplasmic chaperone of the Hsp90 family, redundant in function and nearly identical with Hsp82p, and together they are essential; expressed constitutively at 10-fold higher basal levels that HSP82 and induced 2-3 fold by heat shock |
Null mutant is viable at 25 degrees C; ability to grow at higher temperatures varies with gene copy number |
HSC82 |
| 4932 |
YMR307W |
Beta-1,3-glucanosyltransferase, required for cell wall assembly; localizes to the cell surface via a glycosylphosphatidylinositol (GPI) anchor |
|
GAS1 |
| 4932 |
YNL271C |
Formin, nucleates the formation of linear actin filaments, involved in cell processes such as budding and mitotic spindle orientation which require the formation of polarized actin cables, functionally redundant with BNR1 |
Null mutant is viable, bni1 bnr1 double deletion mutants are temperature sensitive and are deficient in bud emergence, exhibit a random distribution of cortical actin patches and often become multinucleate at the restrictive temperature; rho1 bni1 double mutants exhibit synthetic lethality |
BNI1 |
| 4932 |
YOL115W |
Catalytic subunit of TRAMP (Trf4/Pap2p-Mtr4p-Air1p/2p), a nuclear poly (A) polymerase complex involved in RNA quality control; catalyzes polyadenylation of unmodified tRNAs, and snoRNA and rRNA precursors; disputed role as a DNA polymerase |
|
PAP2 |
| 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 |
