4-methyl-2-oxopentanoate
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
432 compounds within 3 steps: 6 in 1, 57 in 2, 369 in 3
Three steps
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glutamine and leucine (cytosol to extracellular)
- L-Glutamine:pyruvate aminotransferase
Catalysed by AADAT, SLC7A5, KYAT1extracellular space, cytosolOne of 6 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
Catalysed by AADAT, SLC7A5, GSSextracellular space, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glycine and leucine (cytosol to extracellular)
- glycine:oxygen oxidoreductase (deaminating)
Catalysed by AADAT, SLC7A5, DAOextracellular space, cytosol, peroxisomeOne of 4 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- L-leucine(out) + L-aspartate(in) = L-leucine(in) + L-aspartate(out)
- acetyl-CoA:L-aspartate N-acetyltransferase
Catalysed by AADAT, SLC7A13, NAT8Linner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of chloride and leucine (cytosol to extracellular)
- transport of chloride and oxalate (cytosol to extracellular)
Catalysed by AADAT, SLC6A14, SLC26A6extracellular space, cytosol
- L-leucine + glyoxylate = 4-methyl-2-oxopentanoate + glycine
- glyoxylate + L-alanine = glycine + pyruvate
- transport of (R)-3-hydroxybutanoate and pyruvate (cytosol to extracellular)
Catalysed by AADAT, AGXT, AGXT2, SLC16A4 and 5 moreextracellular space, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of leucine and ornithine (cytosol to extracellular)
- L-Ornithine:2-oxo-acid aminotransferase
Catalysed by AADAT, SLC7A6, OATextracellular space, cytosol, mitochondrial matrix
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- kynurenate(out) + glutarate(in) = kynurenate(in) + glutarate(out)
- itaconate + glutaryl-CoA = itaconyl-CoA + glutarate
Catalysed by AADAT, SLC22A6, SUGCTinner side of the membrane, outer side of the membrane
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- Acetylation of Leucine
- N1,N12-diacetylspermine to N1-acetylspermine conversion
Catalysed by AADATmitochondrial matrix, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- kynurenate(out) + glutarate(in) = kynurenate(in) + glutarate(out)
- 3-hydroxy-3-methylglutarate + glutaryl-CoA = (3S)-3-hydroxy-3-methylglutaryl-CoA + glutarate
Catalysed by AADAT, SLC22A6, SUGCTinner side of the membrane, outer side of the membrane
- L-leucine + glyoxylate = 4-methyl-2-oxopentanoate + glycine
- glyoxylate + acetyl-CoA + H2O = (S)-malate + CoA + H(+)
- transport of malate and sulfite (cytosol to mitochondria)
Catalysed by AADAT, CLYBL, SLC25A10mitochondrial matrix, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of leucine and tryptophan (cytosol to extracellular)
- Transport of 3-Hydroxy-L-Kynurenine
Catalysed by AADAT, SLC7A5extracellular space, cytosolOne of 5 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of leucine and proline (cytosol to extracellular)
- L-proline:(acceptor) oxidoreductase
Catalysed by AADAT, SLC7A5, PRODH2extracellular space, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of arginine and leucine (cytosol to extracellular)
- L-arginine carboxy-lyase (agmatine-forming)
Catalysed by AADAT, SLC3A2, SLC7A6, SLC7A7extracellular space, cytosol, mitochondrial matrix
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
Catalysed by AADAT, SLC7A5, MOCOSextracellular space, cytosolOne of 4 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glycine and leucine (cytosol to extracellular)
- succinyl-CoA:glycine C-succinyltransferase (decarboxylating)
Catalysed by AADAT, SLC7A5, ALAS1, ALAS2 and 1 moreextracellular space, cytosol, mitochondrial matrix
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- Acetylation of Leucine
- Fatty Acid Beta Oxidation (C18:3->C16:3), Mitochondrial
Catalysed by AADAT, HADHA, ACADVL, HADHBmitochondrial matrix
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of alanine and leucine (cytosol to extracellular)
- L-Alanine:tRNA(Ala) ligase (AMP-forming)
Catalysed by AADAT, SLC7A5, AARS1extracellular space, cytosol
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of chloride and leucine (cytosol to extracellular)
- transport of betaine and chloride (cytosol to extracellular)
Catalysed by AADAT, SLC6A14, SLC6A12extracellular space, cytosolOne of 3 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- kynurenate(out) + glutarate(in) = kynurenate(in) + glutarate(out)
- urate(in) + glutarate(out) = urate(out) + glutarate(in)
Catalysed by AADAT, SLC22A6, SLC22A8inner side of the membrane, outer side of the membraneOne of 4 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of leucine and tryptophan (cytosol to extracellular)
- (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
Catalysed by AADAT, SLC7A5, TPH1, TPH2extracellular space, cytosol
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of arginine and leucine (cytosol to extracellular)
- Transport by Y+Lat-2 into Extracellular Space
Catalysed by AADAT, SLC3A2, SLC7A6, SLC7A7extracellular space, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of alanine and leucine (cytosol to extracellular)
- Transport of Hydroxy-Proline
Catalysed by AADAT, SLC7A5, SLC1A4extracellular space, cytosolOne of 5 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of chloride and leucine (cytosol to extracellular)
- Transport of 3-Ureidopropionate
Catalysed by AADAT, SLC6A14extracellular space, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glycine and leucine (cytosol to extracellular)
- 5-Phospho-D-ribosylamine:glycine ligase (ADP-forming)
Catalysed by AADAT, SLC7A5, GARTextracellular space, cytosol
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glutamine and leucine (cytosol to extracellular)
- 5'-Phosphoribosylformylglycinamide:L-glutamine amido-ligase (ADP-forming)
Catalysed by AADAT, SLC7A5, PFASextracellular space, cytosol
- branched chain keto acid dehydrogenase E1 (4-methyl-2-oxopentanoate)
- lipoamide to S-(3-methylbutanoyl)... conversion
- branched chain keto acid dehydrogenase E1 (2-oxobutyrate)
Catalysed by BCKDHA, BCKDHB, DBTmitochondrial matrixOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- kynurenate(out) + glutarate(in) = kynurenate(in) + glutarate(out)
- 5alpha-androstane-3alpha,17beta-diol 3-O-(beta-D-glucuronate)(out) + glutarate(in) = 5alpha-androstane-3alpha,17beta-diol 3-O-(beta-D-glucuronate)(in) + glutarate(out)
Catalysed by AADAT, SLC22A6, SLC22A24inner side of the membrane, outer side of the membraneOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of alanine and leucine (cytosol to extracellular)
- 2-aminoisobutanoate(out) + L-alanine(in) = 2-aminoisobutanoate(in) + L-alanine(out)
Catalysed by AADAT, SLC7A5, SLC7A10extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- kynurenate(out) + a dicarboxylate(in) = kynurenate(in) + a dicarboxylate(out)
- 3-carboxy-4-methyl-5-propyl-2-furanpropanoate(out) + a dicarboxylate(in) = 3-carboxy-4-methyl-5-propyl-2-furanpropanoate(in) + a dicarboxylate(out)
Catalysed by AADAT, SLC22A8, SLC22A6inner side of the membrane, outer side of the membraneOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- kynurenate(out) + a dicarboxylate(in) = kynurenate(in) + a dicarboxylate(out)
- L-sepiapterin(out) + a dicarboxylate(in) = L-sepiapterin(in) + a dicarboxylate(out)
Catalysed by AADAT, SLC22A8, SLC22A6inner side of the membrane, outer side of the membraneOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- L-lysine(in) + L-leucine(out) + Na(+)(out) = L-lysine(out) + L-leucine(in) + Na(+)(in)
- biocytin + H2O = biotin + L-lysine
Catalysed by AADAT, SLC7A7, BTDinner side of the membrane, outer side of the membrane
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glycine and leucine (cytosol to extracellular)
- N(omega),N('omega)-dimethyl-L-arginine + glyoxylate = 5-(3,3'-dimethylguanidino)-2-oxopentanoate + glycine
Catalysed by AADAT, SLC7A5, AGXT2extracellular space, cytosolOne of 4 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of glycine and leucine (cytosol to extracellular)
- 5,10-Methylenetetrahydrofolate:glycine hydroxymethyltransferase
Catalysed by AADAT, SLC7A5, SHMT1extracellular space, cytosolOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- transport of cysteine and leucine (cytosol to extracellular)
- S-sulfanyl-L-cysteine + L-cysteine = S-disulfanyl-L-cysteine + L-alanine
Catalysed by AADAT, SLC7A9, SLC3A1, CARS2extracellular space, cytosol
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- Acetylation of Leucine
- acetyl-CoA C-acyltransferase (3-oxomyrist-7-enoyl-CoA)
Catalysed by AADAT, HADHA, ACAA2, HADHBmitochondrial matrixOne of 2 routes
- 4-methyl-2-oxopentanoate + L-kynurenine = kynurenate + L-leucine + H2O
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (cis-cetoleic acid)
Catalysed by AADAT, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes