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GAS1 | 1,3-beta-glucanosyltransferase GAS1; Beta-1,3-glucanosyltransferase; required for cell wall assembly and also has a role in transcriptional silencing; localizes to cell surface via a glycosylphosphatidylinositol (GPI) anchor; also found at nuclear periphery; genetic interactions with histone H3 lysine acetyltransferases GCN5 and SAS3 indicate previously unsuspected functions for Gas1 in DNA damage response and cell cycle regulation; Belongs to the glycosyl hydrolase 72 family. (559 aa) | ||||
SSA1 | Heat shock protein SSA1; ATPase involved in protein folding and NLS-directed nuclear transport; member of HSP70 family; required for ubiquitin-dependent degradation of short-lived proteins; forms chaperone complex with Ydj1p; localized to nucleus, cytoplasm, cell wall; 98% identical to paralog Ssa2p with different functional specificity in propagation of yeast [URE3] prions, vacuolar-mediated degradations of gluconeogenesis enzymes; general targeting factor of Hsp104p to prion fibrils. (642 aa) | ||||
ECM33 | Cell wall protein ECM33; GPI-anchored protein of unknown function; possible role in apical bud growth; GPI-anchoring on the plasma membrane crucial to function; phosphorylated in mitochondria; similar to Sps2p; ECM33 has a paralog, PST1, that arose from the whole genome duplication. (429 aa) | ||||
PST1 | Cell wall protein that contains a putative GPI-attachment site; secreted by regenerating protoplasts; up-regulated by activation of the cell integrity pathway, as mediated by Rlm1p; upregulated by cell wall damage via disruption of FKS1; PST1 has a paralog, ECM33, that arose from the whole genome duplication; Belongs to the SPS2 family. (444 aa) | ||||
EXG2 | Glucan 1,3-beta-glucosidase 2; Exo-1,3-beta-glucanase; involved in cell wall beta-glucan assembly; may be anchored to the plasma membrane via a glycosylphosphatidylinositol (GPI) anchor. (562 aa) | ||||
SNF1 | AMP-activated S/T protein kinase; forms a complex with Snf4p and members of the Sip1p/Sip2p/Gal83p family; required for transcription of glucose-repressed genes, thermotolerance, sporulation, and peroxisome biogenesis; regulates nucleocytoplasmic shuttling of Hxk2p; regulates filamentous growth and acts as a non-canonical GEF, activating Arf3p during invasive growth; SUMOylation by Mms21p inhibits its function and targets Snf1p for destruction via the Slx5-Slx8 Ub ligase. (633 aa) | ||||
GAL83 | One of three possible beta-subunits of the Snf1 kinase complex; allows nuclear localization of the Snf1 kinase complex in the presence of a nonfermentable carbon source; necessary and sufficient for phosphorylation of the Mig2p transcription factor in response to alkaline stress; functionally redundant with SIP1 and SIP2 for the phosphorylation of Mig1p in response to glucose deprivation; contains a glycogen-binding domain. (417 aa) | ||||
HSP12 | 12 kDa heat shock protein; Plasma membrane protein involved in maintaining membrane organization; involved in maintaining organization during stress conditions; induced by heat shock, oxidative stress, osmostress, stationary phase, glucose depletion, oleate and alcohol; protein abundance increased in response to DNA replication stress and dietary restriction; regulated by the HOG and Ras-Pka pathways; required for dietary restriction-induced lifespan extension. (109 aa) | ||||
SCW11 | Probable family 17 glucosidase SCW11; Cell wall protein with similarity to glucanases; may play a role in conjugation during mating based on its regulation by Ste12p. (542 aa) | ||||
CRH1 | Probable glycosidase CRH1; Chitin transglycosylase; functions in the transfer of chitin to beta(1-6) and beta(1-3) glucans in the cell wall; similar and functionally redundant to Utr2; localizes to sites of polarized growth; expression induced by cell wall stress. (507 aa) | ||||
PCT1 | Cholinephosphate cytidylyltransferase; a rate-determining enzyme of the CDP-choline pathway for phosphatidylcholine synthesis, inhibited by Sec14p, activated upon lipid-binding; contains an element within the regulatory domain involved in both silencing and activation of enzymatic activity. (424 aa) | ||||
SCW4 | Probable family 17 glucosidase SCW4; Cell wall protein with similarity to glucanases; scw4 scw10 double mutants exhibit defects in mating; SCW4 has a paralog, SCW10, that arose from the whole genome duplication; Belongs to the glycosyl hydrolase 17 family. (386 aa) | ||||
BGL2 | Endo-beta-1,3-glucanase; major protein of the cell wall, involved in cell wall maintenance; involved in incorporation of newly synthesized mannoprotein molecules into the cell wall. (313 aa) | ||||
FLO11 | Flocculation protein FLO11; GPI-anchored cell surface glycoprotein (flocculin); required for pseudohyphal and invasive growth, flocculation, and biofilm formation; major determinant of colony morphology; transcription regulated by the MAPK pathway (Ste12p and Tec1p) and the cAMP pathway (Flo8p); required for formation of fibrous interconnections between cells of a wild strain; role in co-flocculation with other yeast species; cleaved and shed from cells, contributing to their surface properties; Belongs to the flocculin family. Highly divergent. (1367 aa) | ||||
CIS3 | Cell wall mannoprotein CIS3; Mannose-containing glycoprotein constituent of the cell wall; member of the PIR (proteins with internal repeats) family. (227 aa) | ||||
HSP150 | Cell wall mannoprotein HSP150; O-mannosylated heat shock protein; secreted and covalently attached to the cell wall via beta-1,3-glucan and disulfide bridges; required for cell wall stability; induced by heat shock, oxidative stress, and nitrogen limitation; HSP150 has a paralog, PIR3, that arose from the whole genome duplication. (413 aa) | ||||
KRE9 | Glycoprotein involved in cell wall beta-glucan assembly; null mutation leads to severe growth defects, aberrant multibudded morphology, and mating defects. (276 aa) | ||||
DAN4 | Cell wall mannoprotein; has similarity to Tir1p, Tir2p, Tir3p, and Tir4p; expressed under anaerobic conditions, completely repressed during aerobic growth; Belongs to the SRP1/TIP1 family. (1161 aa) | ||||
CWP1 | Cell wall mannoprotein that localizes to birth scars of daughter cells; linked to a beta-1,3- and beta-1,6-glucan heteropolymer through a phosphodiester bond; required for propionic acid resistance; Belongs to the SRP1/TIP1 family. (239 aa) | ||||
PIR3 | O-glycosylated covalently-bound cell wall protein; required for cell wall stability; expression is cell cycle regulated, peaking in M/G1 and also subject to regulation by the cell integrity pathway; coding sequence contains length polymorphisms in different strains; PIR3 has a paralog, HSP150, that arose from the whole genome duplication. (325 aa) | ||||
PIR1 | O-glycosylated protein required for cell wall stability; attached to the cell wall via beta-1,3-glucan; mediates mitochondrial translocation of Apn1p; expression regulated by the cell integrity pathway and by Swi5p during the cell cycle; PIR1 has a paralog, YJL160C, that arose from the whole genome duplication. (341 aa) | ||||
SSA2 | Heat shock protein SSA2; HSP70 family ATP-binding protein; involved in protein folding, vacuolar import of proteins; required for ubiquitin-dependent degradation of short-lived proteins; associated with chaperonin-containing T-complex; 98% identical to paralog Ssa1p with distinct functional specificity in propagation of yeast [URE3] prions and vacuolar-mediated degradation of gluconeogenesis enzymes; binds tRNA, has role in tRNA nuclear import during starvation. (639 aa) | ||||
EXG1 | Glucan 1,3-beta-glucosidase I/II; Major exo-1,3-beta-glucanase of the cell wall; involved in cell wall beta-glucan assembly; exists as three differentially glycosylated isoenzymes; EXG1 has a paralog, SPR1, that arose from the whole genome duplication; Belongs to the glycosyl hydrolase 5 (cellulase A) family. (448 aa) | ||||
GAS2 | 1,3-beta-glucanosyltransferase; involved with Gas4p in spore wall assembly; has similarity to Gas1p; Belongs to the glycosyl hydrolase 72 family. (555 aa) | ||||
CCW14 | Covalently linked cell wall glycoprotein; present in the inner layer of the cell wall; Belongs to the CCW14 family. (238 aa) | ||||
PLB2 | Phospholipase B (lysophospholipase) involved in lipid metabolism; displays transacylase activity in vitro; overproduction confers resistance to lysophosphatidylcholine. (706 aa) | ||||
GAS3 | Probable 1,3-beta-glucanosyltransferase GAS3; Putative 1,3-beta-glucanosyltransferase; has similarity go other GAS family members; low abundance, possibly inactive member of the GAS family of GPI-containing proteins; localizes to the cell wall; mRNA induced during sporulation. (524 aa) | ||||
SCW10 | Probable family 17 glucosidase SCW10; Cell wall protein with similarity to glucanases; may play a role in conjugation during mating based on mutant phenotype and its regulation by Ste12p; SWC10 has a paralog, SCW4, that arose from the whole genome duplication; Belongs to the glycosyl hydrolase 17 family. (389 aa) | ||||
SUN4 | Probable secreted beta-glucosidase SUN4; Cell wall protein related to glucanases; possibly involved in cell wall septation; member of the SUN family; SUN4 has a paralog, SIM1, that arose from the whole genome duplication. (420 aa) | ||||
EGT2 | Protein EGT2; Glycosylphosphatidylinositol (GPI)-anchored cell wall endoglucanase; required for proper cell separation after cytokinesis; expression is activated by Swi5p and tightly regulated in a cell cycle-dependent manner. (1041 aa) | ||||
DSE4 | Endo-1,3(4)-beta-glucanase 1; Daughter cell-specific secreted protein with similarity to glucanases; degrades cell wall from the daughter side causing daughter to separate from mother. (1117 aa) | ||||
GAS5 | 1,3-beta-glucanosyltransferase; has similarity to Gas1p; localizes to the cell wall; Belongs to the glycosyl hydrolase 72 family. (484 aa) | ||||
SNF2 | Transcription regulatory protein SNF2; Catalytic subunit of the SWI/SNF chromatin remodeling complex; involved in transcriptional regulation; contains DNA-stimulated ATPase activity; functions interdependently in transcriptional activation with Snf5p and Snf6p. (1703 aa) |