STRINGSTRING
STR2 STR2 IRC7 IRC7 MET13 MET13 STR3 STR3 ARO8 ARO8 MCY1 MCY1 THI4 THI4 CYS4 CYS4 PDX1 PDX1 ADE3 ADE3 BIO2 BIO2 ERC1 ERC1 ARO9 ARO9 BAT1 BAT1 MET30 MET30 MET28 MET28 GSH1 GSH1 MET3 MET3 MDE1 MDE1 MET5 MET5 HOM6 HOM6 BAT2 BAT2 THI11 THI11 ACS1 ACS1 CYS3 CYS3 ACP1 ACP1 MET14 MET14 HFA1 HFA1 YMR321C YMR321C LAT1 LAT1 MET4 MET4 MET2 MET2 THI12 THI12 SNZ2 SNZ2 ACC1 ACC1 BIO5 BIO5 BIO4 BIO4 BIO3 BIO3 GSH2 GSH2 THI20 THI20 MET22 MET22 THI80 THI80 LIP5 LIP5 MET12 MET12 THI6 THI6 ADI1 ADI1 YML082W YML082W MET17 MET17 SAM1 SAM1 ACS2 ACS2 MEU1 MEU1 MHT1 MHT1 YLL058W YLL058W ISA1 ISA1 MET1 MET1 MET10 MET10 SNZ3 SNZ3 THI5 THI5 PDA1 PDA1 MET6 MET6 HOM3 HOM3 UTR4 UTR4 SAM2 SAM2 ARO10 ARO10 HOM2 HOM2 THI13 THI13 THI2 THI2 PDB1 PDB1 MIS1 MIS1 THI21 THI21 SAM4 SAM4 ISA2 ISA2 MRI1 MRI1 THI22 THI22 MET16 MET16
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proteins of unknown 3D structure
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STR2Cystathionine gamma-synthase, converts cysteine into cystathionine; STR2 has a paralog, YML082W, that arose from the whole genome duplication; Belongs to the trans-sulfuration enzymes family. MET7 subfamily. (639 aa)
IRC7Putative cystathionine beta-lyase; Beta-lyase involved in the production of thiols; null mutant displays increased levels of spontaneous Rad52p foci; expression induced by nitrogen limitation in a GLN3, GAT1-dependent manner and by copper levels in a Mac1-dependent manner. (340 aa)
MET13Major isozyme of methylenetetrahydrofolate reductase; catalyzes the reduction of 5,10-methylenetetrahydrofolate to 5-methyltetrahydrofolate in the methionine biosynthesis pathway. (600 aa)
STR3Peroxisomal cystathionine beta-lyase; converts cystathionine into homocysteine; may be redox regulated by Gto1p; involved in the release of the aromatic thiol 3-mercaptohexanol during wine fermentation. (465 aa)
ARO8Aromatic/aminoadipate aminotransferase 1; Aromatic aminotransferase I; expression is regulated by general control of amino acid biosynthesis. (500 aa)
MCY1Putative cysteine synthase; localized to the mitochondrial outer membrane. (393 aa)
THI4Thiazole synthase; abundant protein involved in the formation of the thiazole moiety of thiamine during thiamine biosynthesis; acts more as a co-substrate rather than an enzyme by providing the sulphur source for thiazole formation; undergoes a single turnover only; required for mitochondrial genome stability in response to DNA damaging agents; Belongs to the THI4 family. (326 aa)
CYS4Cystathionine beta-synthase; catalyzes synthesis of cystathionine from serine and homocysteine, the first committed step in cysteine biosynthesis; responsible for hydrogen sulfide generation; advances passage through START by promoting cell growth which requires catalytic activity, and reducing critical cell size independent of catalytic activity; mutations in human ortholog CBS cause homocystinuria; human CBS can complement yeast null mutant. (507 aa)
PDX1E3-binding protein of the mitochondrial pyruvate dehydrogenase complex; plays a structural role in the complex by binding and positioning dihydrolipoamide dehydrogenase (E3) to the dihydrolipoamide acetyltransferase (E2) core. (410 aa)
ADE3C-1-tetrahydrofolate synthase, cytoplasmic; Cytoplasmic trifunctional enzyme C1-tetrahydrofolate synthase; involved in single carbon metabolism and required for biosynthesis of purines, thymidylate, methionine, and histidine; null mutation causes auxotrophy for adenine and histidine. (946 aa)
BIO2Biotin synthase, mitochondrial; Biotin synthase; catalyzes the conversion of dethiobiotin to biotin, which is the last step of the biotin biosynthesis pathway; complements E. coli bioB mutant; Belongs to the radical SAM superfamily. Biotin synthase family. (375 aa)
ERC1Ethionine resistance-conferring protein 1; Member of the multi-drug and toxin extrusion (MATE) family; the MATE family is part of the multidrug/oligosaccharidyl-lipid/polysaccharide (MOP) exporter superfamily; overproduction confers ethionine resistance and accumulation of S-adenosylmethionine. (581 aa)
ARO9Aromatic aminotransferase II; catalyzes the first step of tryptophan, phenylalanine, and tyrosine catabolism; Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family. (513 aa)
BAT1Branched-chain-amino-acid aminotransferase, mitochondrial; Mitochondrial branched-chain amino acid (BCAA) aminotransferase; preferentially involved in BCAA biosynthesis; homolog of murine ECA39; highly expressed during logarithmic phase and repressed during stationary phase; BAT1 has a paralog, BAT2, that arose from the whole genome duplication; Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. (393 aa)
MET30F-box protein containing five copies of the WD40 motif; controls cell cycle function, sulfur metabolism, and methionine biosynthesis as part of the ubiquitin ligase complex; interacts with and regulates Met4p, localizes within the nucleus; dissociation of Met30p from SCF complex in response to cadmium stress is regulated by Cdc48p. (640 aa)
MET28bZIP transcriptional activator in the Cbf1p-Met4p-Met28p complex; participates in the regulation of sulfur metabolism. (187 aa)
GSH1Glutamate--cysteine ligase; Gamma glutamylcysteine synthetase; catalyzes the first step in glutathione (GSH) biosynthesis; expression induced by oxidants, cadmium, and mercury; protein abundance increases in response to DNA replication stress; Belongs to the glutamate--cysteine ligase type 3 family. (678 aa)
MET3Sulfate adenylyltransferase; ATP sulfurylase; catalyzes the primary step of intracellular sulfate activation, essential for assimilatory reduction of sulfate to sulfide, involved in methionine metabolism; human homolog PAPSS2 complements yeast null mutant. (511 aa)
MDE15'-methylthioribulose-1-phosphate dehydratase; acts in the methionine salvage pathway; potential Smt3p sumoylation substrate; expression downregulated by caspofungin and deletion mutant is caspofungin resistant; Belongs to the aldolase class II family. MtnB subfamily. (244 aa)
MET5Sulfite reductase beta subunit; involved in amino acid biosynthesis, transcription repressed by methionine; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (1442 aa)
HOM6Homoserine dehydrogenase (L-homoserine:NADP oxidoreductase); dimeric enzyme that catalyzes the third step in the common pathway for methionine and threonine biosynthesis; enzyme has nucleotide-binding, dimerization and catalytic regions. (359 aa)
BAT2Branched-chain-amino-acid aminotransferase, cytosolic; Cytosolic branched-chain amino acid (BCAA) aminotransferase; preferentially involved in BCAA catabolism; homolog of murine ECA39; highly expressed during stationary phase and repressed during logarithmic phase; BAT2 has a paralog, BAT1, that arose from the whole genome duplication; Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. (376 aa)
THI114-amino-5-hydroxymethyl-2-methylpyrimidine phosphate synthase THI11; Protein involved in synthesis of the thiamine precursor HMP; member of a subtelomeric gene family including THI5, THI11, THI12, and THI13; hydroxymethylpyrimidine is also known as HMP. (340 aa)
ACS1Acetyl-coA synthetase isoform; along with Acs2p, acetyl-coA synthetase isoform is the nuclear source of acetyl-coA for histone acetylation; expressed during growth on nonfermentable carbon sources and under aerobic conditions; Belongs to the ATP-dependent AMP-binding enzyme family. (713 aa)
CYS3Cystathionine gamma-lyase; catalyzes one of the two reactions involved in the transsulfuration pathway that yields cysteine from homocysteine with the intermediary formation of cystathionine; protein abundance increases in response to DNA replication stress; Belongs to the trans-sulfuration enzymes family. (394 aa)
ACP1Mitochondrial matrix acyl carrier protein; involved in biosynthesis of octanoate, which is a precursor to lipoic acid; activated by phosphopantetheinylation catalyzed by Ppt2p. (125 aa)
MET14Adenylylsulfate kinase; required for sulfate assimilation and involved in methionine metabolism; human homolog PAPSS2 complements yeast null mutant. (202 aa)
HFA1Acetyl-CoA carboxylase, mitochondrial; Mitochondrial acetyl-coenzyme A carboxylase; catalyzes production of malonyl-CoA in mitochondrial fatty acid biosynthesis; relocalizes from mitochondrion to cytoplasm upon DNA replication stress; genetic and comparative analysis suggests that translation begins at a non-canonical (Ile) start codon at -372 relative to the annotated start codon. (2123 aa)
YMR321CPutative protein of unknown function; proposed to be a palmitoylated membrane protein; YMR321C has a paralog, SAM4, that arose from a single-locus duplication. (105 aa)
LAT1Dihydrolipoamide acetyltransferase component (E2) of the PDC; the pyruvate dehydrogenase complex (PDC) catalyzes the oxidative decarboxylation of pyruvate to acetyl-CoA. (482 aa)
MET4Leucine-zipper transcriptional activator; responsible for regulation of sulfur amino acid pathway; requires different combinations of auxiliary factors Cbf1p, Met28p, Met31p and Met32p; feedforward loop exists in the regulation of genes controlled by Met4p and Met32p; can be ubiquitinated by ubiquitin ligase SCF-Met30p, is either degraded or maintained in an inactive state; regulates degradation of its own DNA-binding cofactors by targeting them to SCF-Met30p; Belongs to the bZIP family. (672 aa)
MET2L-homoserine-O-acetyltransferase; catalyzes the conversion of homoserine to O-acetyl homoserine which is the first step of the methionine biosynthetic pathway; Belongs to the AB hydrolase superfamily. MetX family. (486 aa)
THI124-amino-5-hydroxymethyl-2-methylpyrimidine phosphate synthase THI12; Protein involved in synthesis of the thiamine precursor HMP; member of a subtelomeric gene family including THI5, THI11, THI12, and THI13; hydroxymethylpyrimidine is also known as HMP; Belongs to the NMT1/THI5 family. (340 aa)
SNZ2Probable pyridoxal 5'-phosphate synthase subunit SNZ2; Member of a stationary phase-induced gene family; transcription of SNZ2 is induced prior to diauxic shift, and also in the absence of thiamin in a Thi2p-dependent manner; forms a coregulated gene pair with SNO2; interacts with Thi11p. (298 aa)
ACC1Acetyl-CoA carboxylase, biotin containing enzyme; catalyzes carboxylation of cytosolic acetyl-CoA to form malonyl-CoA and regulates histone acetylation by regulating the availablity of acetyl-CoA; required for de novo biosynthesis of long-chain fatty acids; ACC1 has a paralog, HFA1, that arose from the whole genome duplication. (2233 aa)
BIO57-keto 8-aminopelargonic acid transporter; Putative transmembrane protein involved in the biotin biosynthesis; responsible for uptake of 7-keto 8-aminopelargonic acid; BIO5 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis; Belongs to the amino acid-polyamine-organocation (APC) superfamily. (561 aa)
BIO4Dethiobiotin synthetase; catalyzes the third step in the biotin biosynthesis pathway; BIO4 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis; BIO3 and BIO4 were acquired by horizontal gene transfer (HGT) from bacteria; expression appears to be repressed at low iron levels. (237 aa)
BIO37,8-diamino-pelargonic acid aminotransferase (DAPA); catalyzes the second step in the biotin biosynthesis pathway; BIO3 is in a cluster of 3 genes (BIO3, BIO4, and BIO5) that mediate biotin synthesis; BIO3 and BIO4 were acquired by horizontal gene transfer (HGT) from bacteria; Belongs to the class-III pyridoxal-phosphate-dependent aminotransferase family. BioA subfamily. (480 aa)
GSH2Glutathione synthetase; catalyzes the ATP-dependent synthesis of glutathione (GSH) from gamma-glutamylcysteine and glycine; induced by oxidative stress and heat shock. (491 aa)
THI20Hydroxymethylpyrimidine/phosphomethylpyrimidine kinase THI20; Trifunctional enzyme of thiamine biosynthesis, degradation and salvage; has hydroxymethylpyrimidine (HMP) kinase, HMP-phosphate (HMP-P) kinase and thiaminase activities; member of a gene family with THI21 and THI22; HMP and HMP-P kinase activity redundant with Thi21p; In the C-terminal section; belongs to the thiaminase-2 family. (551 aa)
MET22Bisphosphate-3'-nucleotidase; involved in salt tolerance and methionine biogenesis; dephosphorylates 3'-phosphoadenosine-5'-phosphate and 3'-phosphoadenosine-5'-phosphosulfate, intermediates of the sulfate assimilation pathway; human homolog BPNT1 complements yeast null mutant; Belongs to the inositol monophosphatase superfamily. (357 aa)
THI80Thiamine pyrophosphokinase; phosphorylates thiamine to produce the coenzyme thiamine pyrophosphate (thiamine diphosphate). (319 aa)
LIP5Lipoyl synthase, mitochondrial; Protein involved in biosynthesis of the coenzyme lipoic acid; has similarity to E. coli lipoic acid synthase; Belongs to the radical SAM superfamily. Lipoyl synthase family. (414 aa)
MET12Methylenetetrahydrofolate reductase 1; Protein with MTHFR activity in vitro; null mutant has no phenotype and is prototrophic for methionine; MET13 encodes major isozyme of methylenetetrahydrofolate reductase (MTHFR). (657 aa)
THI6Thiamine biosynthetic bifunctional enzyme; Thiamine-phosphate diphosphorylase and hydroxyethylthiazole kinase; required for thiamine biosynthesis; GFP-fusion protein localizes to the cytoplasm in a punctate pattern. (540 aa)
ADI11,2-dihydroxy-3-keto-5-methylthiopentene dioxygenase; Acireductone dioxygenease involved in methionine salvage pathway; transcribed as polycistronic mRNA with YMR010W and regulated post-transcriptionally by RNase III (Rnt1p) cleavage; ADI1 mRNA is induced in heat shock conditions; human ortholog ADI1 can complement yeast adi1 mutant; Belongs to the acireductone dioxygenase (ARD) family. (179 aa)
YML082WPutative cystathionine gamma-synthase YML082W; Putative protein predicted to have carbon-sulfur lyase activity; transcriptionally regulated by Upc2p via an upstream sterol response element; green fluorescent protein (GFP)-fusion protein localizes to the nucleus and the cytoplasm; not an essential gene; YML082W has a paralog, STR2, that arose from the whole genome duplication. (649 aa)
MET17Homocysteine/cysteine synthase; O-acetyl homoserine-O-acetyl serine sulfhydrylase; required for Methionine and cysteine biosynthesis; Belongs to the trans-sulfuration enzymes family. (444 aa)
SAM1S-adenosylmethionine synthase 1; S-adenosylmethionine synthetase; catalyzes transfer of the adenosyl group of ATP to the sulfur atom of methionine; SAM1 has a paralog, SAM2, that arose from the whole genome duplication. (382 aa)
ACS2Acetyl-coA synthetase isoform; along with Acs1p, acetyl-coA synthetase isoform is the nuclear source of acetyl-coA for histone acetylation; mutants affect global transcription; required for growth on glucose; expressed under anaerobic conditions; Belongs to the ATP-dependent AMP-binding enzyme family. (683 aa)
MEU1Methylthioadenosine phosphorylase (MTAP); catalyzes the initial step in the methionine salvage pathway; affects polyamine biosynthesis through regulation of ornithine decarboxylase (Spe1p) activity; regulates ADH2 gene expression; Belongs to the PNP/MTAP phosphorylase family. MTAP subfamily. (337 aa)
MHT1Homocysteine S-methyltransferase 1; S-methylmethionine-homocysteine methyltransferase; functions along with Sam4p in the conversion of S-adenosylmethionine (AdoMet) to methionine to control the methionine/AdoMet ratio. (324 aa)
YLL058WPutative protein of unknown function with similarity to Str2p; Str2p is a cystathionine gamma-synthase important in sulfur metabolism; YLL058W is not an essential gene. (575 aa)
ISA1Iron-sulfur assembly protein 1; Protein required for maturation of mitochondrial [4Fe-4S] proteins; functions in a complex with Isa2p and possibly Iba57p; isa1 deletion causes loss of mitochondrial DNA and respiratory deficiency; depletion reduces growth on nonfermentable carbon sources; functional ortholog of bacterial A-type ISC proteins; human ISCA1 can complement isa1 null mutant. (250 aa)
MET1Uroporphyrinogen-III C-methyltransferase; S-adenosyl-L-methionine uroporphyrinogen III transmethylase; involved in the biosynthesis of siroheme, a prosthetic group used by sulfite reductase; required for sulfate assimilation and methionine biosynthesis; Belongs to the precorrin methyltransferase family. (593 aa)
MET10Sulfite reductase [NADPH] flavoprotein component; Subunit alpha of assimilatory sulfite reductase; complex converts sulfite into sulfide. (1035 aa)
SNZ3Probable pyridoxal 5'-phosphate synthase subunit SNZ3; Member of a stationary phase-induced gene family; expressed in the presence of galactose; transcription of SNZ3 is induced prior to diauxic shift, and also in the absence of thiamin in a Thi2p-dependent manner; forms a coregulated gene pair with SNO3. (298 aa)
THI54-amino-5-hydroxymethyl-2-methylpyrimidine phosphate synthase THI5; Protein involved in synthesis of the thiamine precursor HMP; member of a subtelomeric gene family including THI5, THI11, THI12, and THI13; hydroxymethylpyrimidine is also known as HMP; Belongs to the NMT1/THI5 family. (340 aa)
PDA1E1 alpha subunit of the pyruvate dehydrogenase (PDH) complex; catalyzes the direct oxidative decarboxylation of pyruvate to acetyl-CoA; phosphorylated; regulated by glucose; PDH complex is concentrated in spots within the mitochondrial matrix, often near the ERMES complex and near peroxisomes. (420 aa)
MET65-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase; Cobalamin-independent methionine synthase; involved in methionine biosynthesis and regeneration; requires a minimum of two glutamates on the methyltetrahydrofolate substrate, similar to bacterial metE homologs. (767 aa)
HOM3Aspartokinase; Aspartate kinase (L-aspartate 4-P-transferase); cytoplasmic enzyme that catalyzes the first step in the common pathway for methionine and threonine biosynthesis; expression regulated by Gcn4p and the general control of amino acid synthesis; Belongs to the aspartokinase family. (527 aa)
UTR4Enolase-phosphatase E1; Protein with sequence similarity to acireductone synthases; involved in methionine salvage; found in both the cytoplasm and nucleus; Belongs to the HAD-like hydrolase superfamily. MasA/MtnC family. (227 aa)
SAM2S-adenosylmethionine synthase 2; S-adenosylmethionine synthetase; catalyzes transfer of the adenosyl group of ATP to the sulfur atom of methionine; comparative analysis suggests that a mitochondrially targeted form may result from translation starting at a non-canonical codon upstream of the annotated start codon. (384 aa)
ARO10Transaminated amino acid decarboxylase; Phenylpyruvate decarboxylase; catalyzes decarboxylation of phenylpyruvate to phenylacetaldehyde, which is the first specific step in the Ehrlich pathway; involved in protein N-terminal Met and Ala catabolism. (635 aa)
HOM2Aspartic beta semi-aldehyde dehydrogenase; catalyzes the second step in the common pathway for methionine and threonine biosynthesis; expression regulated by Gcn4p and the general control of amino acid synthesis; Belongs to the aspartate-semialdehyde dehydrogenase family. (365 aa)
THI134-amino-5-hydroxymethyl-2-methylpyrimidine phosphate synthase THI13; Protein involved in synthesis of the thiamine precursor HMP; member of a subtelomeric gene family including THI5, THI11, THI12, and THI13; hydroxymethylpyrimidine is also known as HMP. (340 aa)
THI2Thiamine biosynthesis regulatory protein; Transcriptional activator of thiamine biosynthetic genes; interacts with regulatory factor Thi3p to control expression of thiamine biosynthetic genes with respect to thiamine availability; acts together with Pdc2p to respond to thiaminediphosphate demand, possibly as related to carbon source availability; zinc finger protein of the Zn(II)2Cys6 type. (450 aa)
PDB1E1 beta subunit of the pyruvate dehydrogenase (PDH) complex; PDH is an evolutionarily conserved multi-protein complex found in mitochondria. (366 aa)
MIS1C-1-tetrahydrofolate synthase, mitochondrial; Mitochondrial C1-tetrahydrofolate synthase; involved in interconversion between different oxidation states of tetrahydrofolate (THF); provides activities of formyl-THF synthetase, methenyl-THF cyclohydrolase, and methylene-THF dehydrogenase. (975 aa)
THI21Hydroxymethylpyrimidine/phosphomethylpyrimidine kinase THI21; Hydroxymethylpyrimidine (HMP) and HMP-phosphate kinase; involved in thiamine biosynthesis; member of a gene family with THI20 and THI22; functionally redundant with Thi20p; In the C-terminal section; belongs to the thiaminase-2 family. (551 aa)
SAM4Homocysteine S-methyltransferase 2; S-adenosylmethionine-homocysteine methyltransferase; functions along with Mht1p in the conversion of S-adenosylmethionine (AdoMet) to methionine to control the methionine/AdoMet ratio; SAM4 has a paralog, YMR321C, that arose from a single-locus duplication. (325 aa)
ISA2Iron-sulfur assembly protein 2; Protein required for maturation of mitochondrial [4Fe-4S] proteins; functions in a complex with Isa1p and possibly Iba57p; localizes to the mitochondrial intermembrane space, overexpression of ISA2 suppresses grx5 mutations. (185 aa)
MRI15'-methylthioribose-1-phosphate isomerase; catalyzes the isomerization of 5-methylthioribose-1-phosphate to 5-methylthioribulose-1-phosphate in the methionine salvage pathway; Belongs to the eIF-2B alpha/beta/delta subunits family. MtnA subfamily. (411 aa)
THI22Thiamine biosynthesis protein THI22; Protein with similarity to hydroxymethylpyrimidine phosphate kinases; member of a gene family with THI20 and THI21; not required for thiamine biosynthesis; SWAT-GFP and mCherry fusion proteins localize to the endoplasmic reticulum and vacuole respectively. (572 aa)
MET16Phosphoadenosine phosphosulfate reductase; 3'-phosphoadenylsulfate reductase; reduces 3'-phosphoadenylyl sulfate to adenosine-3',5'-bisphosphate and free sulfite using reduced thioredoxin as cosubstrate, involved in sulfate assimilation and methionine metabolism; Belongs to the PAPS reductase family. CysH subfamily. (261 aa)
Your Current Organism:
Saccharomyces cerevisiae
NCBI taxonomy Id: 4932
Other names: ATCC 18824, Candida robusta, Mycoderma cerevisiae, NRRL Y-12632, S. cerevisiae, Saccharomyces capensis, Saccharomyces italicus, Saccharomyces oviformis, Saccharomyces uvarum var. melibiosus, yeast
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