4-methylthio-2-oxobutanoic acid
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
369 compounds within 3 steps: 1 in 1, 31 in 2, 337 in 3
Three steps
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of methionine and ornithine (cytosol to extracellular)
- D-ornithine(in) + L-ornithine(out) = D-ornithine(out) + L-ornithine(in)
Catalysed by TAT, SLC7A6, SLC25A2cytosol, extracellular space, inner side of the membrane, outer side of the membraneOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glycine and methionine (cytosol to extracellular)
- an acyl-CoA + glycine = an N-acylglycine + CoA + H(+)
Catalysed by TAT, SLC7A5, GLYATL3, GLYAT and 1 morecytosol, extracellular space
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of cysteine and methionine (cytosol to extracellular)
- L-Cysteine:2-oxoglutarate aminotransferase
Catalysed by TAT, SLC7A5, GOT2, GOT1cytosol, extracellular spaceOne of 3 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glycine and methionine (cytosol to extracellular)
- L-Arginine:glycine amidinotransferase
Catalysed by TAT, SLC7A5, GATMcytosol, extracellular spaceOne of 5 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- acyl-CoA:sphingosine N-acyltransferase
Catalysed by TAT, NAGS, ASAH1, ACER2 and 2 morecytosol, mitochondrial matrix, Golgi apparatusOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- D-threonine(out) + L-alanine(in) = D-threonine(in) + L-alanine(out)
Catalysed by TAT, SLC7A5, SLC7A10cytosol, extracellular space, inner side of the membrane, outer side of the membraneOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- diamine N-acetyltransferase (N1-acetylspermidine)
Catalysed by TAT, NAGS, SAT1, SAT2cytosol, mitochondrial matrixOne of 3 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
Catalysed by TAT, SLC7A5, SLC7A10cytosol, extracellular space, inner side of the membrane, outer side of the membraneOne of 8 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of lysine and methionine (cytosol to extracellular)
- N6-(L-1,3-Dicarboxypropyl)-L-lysine:NADP+ oxidoreductase (L-lysine-forming)
Catalysed by TAT, SLC7A6, AASScytosol, extracellular space, mitochondrial matrix
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
Catalysed by TAT, SLC7A5, KYNUcytosol, extracellular spaceOne of 5 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- beta-alanine(out) + L-alanine(in) = beta-alanine(in) + L-alanine(out)
Catalysed by TAT, SLC7A5, SLC7A10cytosol, extracellular space, inner side of the membrane, outer side of the membraneOne of 6 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- L-aspartate(in) + L-methionine(out) = L-aspartate(out) + L-methionine(in)
- N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagine + H2O = N-acetyl-beta-D-glucosaminylamine + L-aspartate + H(+)
Catalysed by TAT, SLC7A13, AGAcytosol, inner side of the membrane, outer side of the membrane
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
Catalysed by TAT, NAGScytosol, mitochondrial matrixOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of cysteine and methionine (cytosol to extracellular)
- L-glutamate:L-cysteine gamma-ligase (ADP-forming)
Catalysed by TAT, SLC7A5, GCLC, GCLMcytosol, extracellular spaceOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of lysine and methionine (cytosol to extracellular)
- L-lysine:oxygen 2-oxidoreductase (deaminating)
Catalysed by TAT, SLC7A6cytosol, extracellular space, peroxisome
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glutamine and methionine (cytosol to extracellular)
- HCO3-:L-glutamine amido-ligase (ADP-forming, carbamate-phosphorylating)
Catalysed by TAT, SLC7A5, CADcytosol, extracellular spaceOne of 4 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glycine and methionine (cytosol to extracellular)
- L-tyrosine + glyoxylate = 3-(4-hydroxyphenyl)pyruvate + glycine
Catalysed by TAT, SLC7A5, AADATcytosol, extracellular spaceOne of 4 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glycine and methionine (cytosol to extracellular)
- N(omega),N(omega)-dimethyl-L-arginine + glyoxylate = 5-(3,3-dimethylguanidino)-2-oxopentanoate + glycine
Catalysed by TAT, SLC7A5, AGXT2cytosol, extracellular spaceOne of 7 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- acyl-CoA:sphingosine N-acyltransferase
Catalysed by TAT, NAGS, ASAH1, ACER2 and 2 morecytosol, mitochondrial matrix, Golgi apparatusOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
Catalysed by TAT, SLC7A5, SLC1A4cytosol, extracellular space, inner side of the membrane, outer side of the membraneOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- L-aspartate(in) + L-methionine(out) = L-aspartate(out) + L-methionine(in)
- 1-(5-Phosphoribosyl)-5-amino-4-carboxyimidazole:L-aspartate ligase (ADP-forming)
Catalysed by TAT, SLC7A13, PAICScytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- acetyl-CoA C-acyltransferase (3-oxomyrist-5-enoyl-CoA)
Catalysed by TAT, NAGS, HADHA, ACAA2 and 1 morecytosol, mitochondrial matrixOne of 3 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of methionine and tryptophan (cytosol to extracellular)
- L-tryptophan + O2 = N-formyl-L-kynurenine
Catalysed by TAT, SLC7A5, IDO1, TDO2 and 1 morecytosol, extracellular space
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- 3alpha,7alpha,12alpha-trihydroxy-5beta-cholestanoate:CoA ligase (AMP-forming)
Catalysed by TAT, NAGS, SLC27A2, SLC27A5cytosol, mitochondrial matrix, endoplasmic reticulumOne of 3 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glutamine and methionine (cytosol to extracellular)
- phosphoribosyl pyrophosphate amidotransferase (glutamine)
Catalysed by TAT, SLC7A5, PPATcytosol, extracellular spaceOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glutamine and methionine (cytosol to extracellular)
- D-fructose 6-phosphate + L-glutamine = D-glucosamine 6-phosphate + L-glutamate
Catalysed by TAT, SLC7A5, GFPT2, GFPT1cytosol, extracellular space
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of methionine and ornithine (cytosol to extracellular)
- L-ornithine + pyruvate = 5-amino-2-oxopentanoate + L-alanine
Catalysed by TAT, SLC7A6, AGXT2cytosol, extracellular spaceOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- cholate-CoA ligase (3alpha,12alpha-dihydroxy-5beta-cholanate)
Catalysed by TAT, NAGS, SLC27A2, SLC27A5cytosol, mitochondrial matrixOne of 4 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glycine and methionine (cytosol to extracellular)
- (5Z,8Z,11Z,14Z)-eicosatetraenoyl-CoA + glycine = N-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-glycine + CoA + H(+)
Catalysed by TAT, SLC7A5, GLYATL2cytosol, extracellular spaceOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of cysteine and methionine (cytosol to extracellular)
- (R)-4'-phosphopantothenate:L-cysteine ligase
Catalysed by TAT, SLC7A5, PPCScytosol, extracellular spaceOne of 4 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of chloride and methionine (cytosol to extracellular)
- transport of 4-aminobutyrate and chloride (cytosol to extracellular)
Catalysed by TAT, SLC6A14, SLC6A12cytosol, extracellular spaceOne of 4 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of methionine and tyrosine (cytosol to extracellular)
- thyroid peroxidase (iodine)
Catalysed by TAT, SLC7A5, TPOcytosol, extracellular spaceOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- L-proline(out) + L-alanine(in) + Na(+)(out) = L-proline(in) + L-alanine(out) + Na(+)(in)
Catalysed by TAT, SLC7A5, SLC1A4cytosol, extracellular space, inner side of the membrane, outer side of the membraneOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of glycine and methionine (cytosol to extracellular)
- Hippurate (Benzoylglycinate) Formation
Catalysed by TAT, SLC7A5cytosol, extracellular space, mitochondrial matrixOne of 2 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of cysteine and methionine (cytosol to extracellular)
- L-Cysteine:oxygen oxidoreductase
Catalysed by TAT, SLC7A5, CDO1cytosol, extracellular spaceOne of 6 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- medium-chain acyl-CoA ligase (decanoic acid)
Catalysed by TAT, NAGS, ACSM4, ACSM1 and 4 morecytosol, mitochondrial matrixOne of 7 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- Carnitine O-Palmitoyltransferase
Catalysed by TAT, NAGS, CPT1A, CPT1C and 1 morecytosol, mitochondrial matrixOne of 4 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- N-acetylglutamate synthase (N-acetylmethionine)
- long-chain-fatty-acid-CoA ligase (palmitolate)
Catalysed by TAT, NAGS, SLC27A2, ACSL4 and 6 morecytosol, mitochondrial matrixOne of 11 routes
- tyrosine aminotransferase (4-methylthio-2-oxobutanoic acid)
- transport of alanine and methionine (cytosol to extracellular)
- gamma-glutamyltransferase (alanine)
Catalysed by TAT, SLC7A5, GGTLC3, GGT1 and 4 morecytosol, extracellular spaceOne of 2 routes