an S-substituted L-cysteine
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
193 compounds within 3 steps: 3 in 1, 45 in 2, 145 in 3
Three steps
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (S)-Lactate:NAD+ oxidoreductase
- transport of L-lactate and urate (cytosol to extracellular)
Catalysed by KYAT1, KYAT3, LDHB, LDHAL6B and 1 moremitochondrial matrix, extracellular space, cytosolOne of 2 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and tyrosine (cytosol to extracellular)
Catalysed by KYAT1, KYAT3, AGXT2, SLC7A5mitochondrial matrix, extracellular space, cytosolOne of 8 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of pyruvate and retinoate (cytosol to extracellular)
- retinoate reduction
Catalysed by KYAT1, KYAT3, SLC16A4, SLC16A5 and 4 moreextracellular space, cytosol
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and lysine (cytosol to extracellular)
Catalysed by KYAT1, KYAT3, AGXT2, SLC7A6mitochondrial matrix, extracellular space, cytosolOne of 4 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and glutamine (cytosol to extracellular)
Catalysed by KYAT1, KYAT3, AGXT2, SLC3A2 and 2 moremitochondrial matrix, extracellular space, cytosolOne of 17 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- pyruvate kinase (dTDP)
- DTTP Nucleotidohydrolase
Catalysed by KYAT1, KYAT3, PKM, PKLR and 3 morecytosol, extracellular spaceOne of 11 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- Transport of Hydroxy-Proline
Catalysed by KYAT1, KYAT3, AGXT2, SLC1A4mitochondrial matrix, extracellular space, cytosol
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- N(1)-methylguanosine(37) in tRNA(Phe) + pyruvate + S-adenosyl-L-methionine = 4-demethylwyosine(37) in tRNA(Phe) + 5'-deoxyadenosine + L-methionine + CO2 + H2O
- S-methylmercury-L-cysteine(out) + L-methionine(in) = S-methylmercury-L-cysteine(in) + L-methionine(out)
Catalysed by KYAT1, KYAT3, TYW1B, TYW1 and 1 moreinner side of the membrane, outer side of the membraneOne of 2 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- 2-oxobutanoate + L-alanine = (2S)-2-aminobutanoate + pyruvate
- branched chain keto acid dehydrogenase E1 (2-oxobutyrate)
Catalysed by KYAT1, KYAT3, AGXT2, BCKDHA and 1 moremitochondrial matrix
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- 2-aminoisobutanoate(out) + L-alanine(in) = 2-aminoisobutanoate(in) + L-alanine(out)
Catalysed by KYAT1, KYAT3, AGXT2, SLC7A10mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- D-serine = pyruvate + NH4(+)
- D-isoleucine(out) + D-serine(in) = D-isoleucine(in) + D-serine(out)
Catalysed by KYAT1, KYAT3, SRR, SLC7A10inner side of the membrane, outer side of the membrane
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- N(omega),N('omega)-dimethyl-L-arginine + pyruvate = 5-(3,3'-dimethylguanidino)-2-oxopentanoate + L-alanine
Catalysed by KYAT1, KYAT3, AGXT2mitochondrial matrixOne of 3 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (S)-malate + NAD(+) = pyruvate + CO2 + NADH
- (S)-malate + a quinone = enol-oxaloacetate + a quinol
Catalysed by KYAT1, KYAT3, ME2, SDHB and 1 moreOne of 2 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of acetate and pyruvate (cytosol to extracellular)
- cytochrome P450 (17alpha-hydroxypregnenolone)
Catalysed by KYAT1, KYAT3, SLC16A4, SLC16A5 and 4 moreextracellular space, cytosol, endoplasmic reticulum
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- L-selenocysteine selenide-lyase (L-alanine-forming)
Catalysed by KYAT1, KYAT3, AGXT2, SCLYmitochondrial matrix, cytosol
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and chloride (cytosol to extracellular)
Catalysed by KYAT1, KYAT3, AGXT2, SLC6A14mitochondrial matrix, extracellular space, cytosolOne of 6 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- oxaloacetate + L-alanine = L-aspartate + pyruvate
Catalysed by KYAT1, KYAT3, AGXT2mitochondrial matrixOne of 8 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- Pyruvate:carbon-dioxide ligase (ADP-forming)
- acetyl-CoA:oxaloacetate C-acetyltransferase (thioester-hydrolysing)
Catalysed by KYAT1, KYAT3, PC, CSmitochondrial matrixOne of 9 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- pyruvate kinase (dTDP)
- transport of isocitrate and PEP (cytosol to mitochondria)
Catalysed by KYAT1, KYAT3, PKM, PKLR and 1 morecytosol, mitochondrial matrixOne of 5 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- pyruvate kinase (dTDP)
- transport of cis-aconitate and PEP (cytosol to mitochondria)
Catalysed by KYAT1, KYAT3, PKM, PKLR and 1 morecytosol, mitochondrial matrixOne of 5 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (S)-malate + NAD(+) = pyruvate + CO2 + NADH
- transport of malate and thiosulfate (cytosol to mitochondria)
Catalysed by KYAT1, KYAT3, ME2, SLC25A10mitochondrial matrix, cytosolOne of 6 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- D-cysteine(out) + L-alanine(in) = D-cysteine(in) + L-alanine(out)
Catalysed by KYAT1, KYAT3, AGXT2, SLC7A10mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of acetoacetate and pyruvate (cytosol to mitochondria)
- (3S)-3-hydroxy-3-methylglutaryl-CoA = acetoacetate + acetyl-CoA
Catalysed by KYAT1, KYAT3, HMGCL, HMGCLL1mitochondrial matrix, cytosol
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of pyruvate and retinoate (cytosol to extracellular)
- retinal dehydrogenase (13-cis-retinal)
Catalysed by KYAT1, KYAT3, SLC16A4, SLC16A5 and 6 moreextracellular space, cytosol, endoplasmic reticulum
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and ornithine (cytosol to extracellular)
Catalysed by KYAT1, KYAT3, AGXT2, SLC7A6mitochondrial matrix, extracellular space, cytosolOne of 7 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of acetate and pyruvate (cytosol to extracellular)
- N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
Catalysed by KYAT1, KYAT3, SLC16A4, SLC16A5 and 4 moreextracellular space, cytosol
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- gamma-glutamyltransferase (alanine)
Catalysed by KYAT1, KYAT3, AGXT2, GGT1 and 5 moremitochondrial matrix, extracellular space, cytosol
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of acetoacetate and pyruvate (cytosol to mitochondria)
- acetoacetate + ATP + CoA = acetoacetyl-CoA + AMP + diphosphate
Catalysed by KYAT1, KYAT3, AACSmitochondrial matrix, cytosolOne of 2 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- L-Alanine:glyoxylate aminotransferase
Catalysed by KYAT1, KYAT3, AGXT2, AGXTmitochondrial matrixOne of 14 routes
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- aldehyde dehydrogenase (2-methyl-3-oxopropanoate)
Catalysed by KYAT1, KYAT3, AGXT2, ALDH6A1mitochondrial matrix
- an S-substituted L-cysteine + H2O = a thiol + pyruvate + NH4(+)
- transport of butyrate and pyruvate (cytosol to extracellular)
- Butanoate:CoA ligase (AMP-forming)
Catalysed by KYAT1, KYAT3, SLC16A4, SLC16A5 and 10 moreextracellular space, cytosolOne of 2 routes