L-tryptophan
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
675 compounds within 3 steps: 33 in 1, 191 in 2, 451 in 3
Three steps
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (9Z,12Z)-octadecadienoate + AH2 + O2 = 9-hydroxy-(10E,12Z)-octadecadienoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- L-Tryptophan, Tetrahydrobiopterin:Oxygen Oxidoreductase (5-Hydroxylating)
- 5-Hydroxy-L-tryptophan decarboxy-lyase
- transport of serotonin (cytosol to extracellular)
Catalysed by TPH1, TPH2, DDC, SLCO1A2 and 1 morecytosol, extracellular spaceOne of 15 routes
- Transport of L-Tryptophan by Atb0 Transporter
- transport of chloride and sulfate (cytosol to extracellular)
- Steryl-Sulfatase
Catalysed by SLC6A14, SLC26A6, STSextracellular space, cytosol, Golgi apparatusOne of 2 routes
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (9Z,12Z)-octadecadienoate + AH2 + O2 = (13R)-hydroxy-(9Z,11E)-octadecadienoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS1, PTGS2extracellular space, cytosol
- Transport of L-Tryptophan by Atb0 Transporter
- transport of chloride and sulfate (cytosol to extracellular)
- steroid sulfatase (5-alpha-dihydrotestosterone)
Catalysed by SLC6A14, SLC26A6, STSextracellular space, cytosolOne of 3 routes
- L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
- arylformamidase (L-formylkynurenine)
- transport of acetoacetate and formate (cytosol to extracellular)
Catalysed by IDO1, TDO2, IDO2, AFMID and 2 morecytosol, extracellular spaceOne of 6 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- (13S,14S)-epoxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoate + glutathione = (13R)-S-glutathionyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoate
Catalysed by SLC7A5, GSS, GSTM4, LTC4Sextracellular space, cytosol
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + AH2 + O2 = 2-[(11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoyl]-sn-glycero-3-phosphocholine + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + AH2 + O2 = 2-[(15R)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoyl]-sn-glycero-3-phosphocholine + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphocholine + AH2 + O2 = 2-[(15S)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoyl]-sn-glycero-3-phosphocholine + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of glutamine and tryptophan (cytosol to extracellular)
- N(2)-formyl-N(1)-(5-phospho-beta-D-ribosyl)glycinamide + L-glutamine + ATP + H2O = 2-formamido-N(1)-(5-O-phospho-beta-D-ribosyl)acetamidine + L-glutamate + ADP + phosphate + H(+)
- 2-formamido-N(1)-(5-O-phospho-beta-D-ribosyl)acetamidine + ATP = 5-amino-1-(5-phospho-beta-D-ribosyl)imidazole + ADP + phosphate + H(+)
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 2-(prostaglandin G2)-sn-glycero-3-phosphoethanolamine + AH2 = 2-(prostaglandin H2)-sn-glycero-3-phosphoethanolamine + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and tryptophan (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 2-(prostaglandin G2)-sn-glycero-3-phosphocholine + AH2 = 2-(prostaglandin H2)-sn-glycero-3-phosphocholine + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and tryptophan (cytosol to extracellular)
- gamma-glutamyltransferase (alanine)
- N-(4-oxoglutaryl)-L-cysteinylglycine + H2O = L-cysteinylglycine + 2-oxoglutarate
Catalysed by SLC7A5, GGTLC3, GGT1, GGT5 and 4 moreextracellular space, cytosol
- Transport of L-Tryptophan by Atb0 Transporter
- transport of chloride and sulfate (cytosol to extracellular)
- an aryl sulfate + H2O = a phenol + sulfate + H(+)
Catalysed by SLC6A14, SLC26A6, ARSL, ARSF and 4 moreextracellular space, cytosol
- transport of cysteine and tryptophan (cytosol to extracellular)
- L-Cysteine:oxygen oxidoreductase
- 3-sulfino-L-alanine:2-oxoglutarate aminotransferase
Catalysed by SLC7A5, CDO1, GOT1extracellular space, cytosolOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- apo-[alkylcobalamin reductase] + methylcob(III)alamin + glutathione = S-methyl glutathione + cob(I)alamin-[alkylcobalamin reductase] + H(+)
Catalysed by SLC7A5, GSS, MMACHCextracellular space, cytosol
- transport of glycine and tryptophan (cytosol to extracellular)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
- N-octanoyl-(2S)-hydroxyglycine = octanamide + glyoxylate
Catalysed by SLC7A5, AADAT, PAMextracellular space, cytosolOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
- N-decanoyl-(2S)-hydroxyglycine = decanamide + glyoxylate
Catalysed by SLC7A5, AADAT, PAMextracellular space, cytosolOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
- N-dodecanoyl-(2S)-hydroxyglycine = dodecanamide + glyoxylate
Catalysed by SLC7A5, AADAT, PAMextracellular space, cytosolOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
- N-tetradecanoyl-(2S)-hydroxyglycine = tetradecamide + glyoxylate
Catalysed by SLC7A5, AADAT, PAMextracellular space, cytosolOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
- N-(9Z-octadecenoyl)-(2S)-hydroxyglycine = (9Z)-octadecenamide + glyoxylate
Catalysed by SLC7A5, AADAT, PAMextracellular space, cytosolOne of 2 routes
- transport of glutamine and tryptophan (cytosol to extracellular)
- D-fructose 6-phosphate + L-glutamine = D-glucosamine 6-phosphate + L-glutamate
- D-glucosamine 6-phosphate + NADP(+) = 2-amino-2-deoxy-6-phospho-D-glucono-1,5-lactone + NADPH + 2 H(+)
Catalysed by SLC7A5, GFPT2, GFPT1, H6PDextracellular space, cytosol
- transport of glycine and tryptophan (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- apo-[alkylcobalamin reductase] + adenosylcob(III)alamin + glutathione = S-adenosylglutathione + cob(I)alamin-[alkylcobalamin reductase] + H(+)
Catalysed by SLC7A5, GSS, MMACHCextracellular space, cytosol
- transport of glycine and tryptophan (cytosol to extracellular)
- 5-phospho-beta-D-ribosylamine + glycine + ATP = N(1)-(5-phospho-beta-D-ribosyl)glycinamide + ADP + phosphate + H(+)
- N(1)-(5-phospho-beta-D-ribosyl)glycinamide + (6R)-10-formyltetrahydrofolate = N(2)-formyl-N(1)-(5-phospho-beta-D-ribosyl)glycinamide + (6S)-5,6,7,8-tetrahydrofolate + H(+)
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- carnitine O-palmitoyltransferase ((7Z)-octadecenoyl-CoA)
Catalysed by SLC7A5, BAAT, CPT1A, CPT1C and 1 moreextracellular space, cytosol, peroxisomeOne of 3 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Acetoacetate:CoA ligase (AMP-forming)
Catalysed by SLC7A5, BAAT, AACSextracellular space, cytosol, peroxisomeOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of acetylcholine and GSH (cytosol to extracellular)
Catalysed by SLC7A5, GSS, SLCO1A2, SLCO1B3extracellular space, cytosolOne of 5 routes
- transport of alanine and tryptophan (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- acetylpyruvate + H2O = acetate + pyruvate + H(+)
Catalysed by SLC7A5, AGXT2, FAHD1extracellular space, cytosol, mitochondrial matrix
- L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
- arylformamidase (L-formylkynurenine)
- transport of formate and retinoate (cytosol to extracellular)
Catalysed by IDO1, TDO2, IDO2, AFMID and 2 morecytosol, extracellular spaceOne of 4 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- 5-aminolevulinate synthase (2-amino-3-oxoadipate)
Catalysed by SLC7A5, BAAT, ALAS1, CPNE7extracellular space, cytosol, peroxisome, mitochondrial matrixOne of 8 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- glycine N-acyltransferase (2-methylbutyryl-CoA)
Catalysed by SLC7A5, BAAT, GLYAT, GLYATL2 and 1 moreextracellular space, cytosol, peroxisome, mitochondrial matrixOne of 3 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Production of Tiglylcarnitine
Catalysed by SLC7A5, BAAT, CPT1A, CPT1Bextracellular space, cytosol, peroxisomeOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- acetyl-CoA C-acyltransferase (3-oxo-4-methyl-pentanoyl-CoA)
Catalysed by SLC7A5, BAAT, HADHA, ACAA2 and 1 moreextracellular space, cytosol, peroxisome, mitochondrial matrixOne of 3 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- glycine-N-acyltransferase (3-methylcrotonoylglycine)
Catalysed by SLC7A5, BAAT, GLYATextracellular space, cytosol, peroxisome, mitochondrial matrix
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- glycine N-acyltransferase (isovalerylglycine)
Catalysed by SLC7A5, BAAT, GLYAT, GLYATL2 and 1 moreextracellular space, cytosol, peroxisome, mitochondrial matrixOne of 3 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Arachidonate:CoA ligase (AMP-forming)
Catalysed by SLC7A5, BAAT, SLC27A2, ACSL4 and 6 moreextracellular space, cytosol, peroxisomeOne of 11 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- propanoyl-CoA C-acyltransferase
Catalysed by SLC7A5, BAAT, ACAA1, SCP2 and 1 moreextracellular space, cytosol, peroxisomeOne of 2 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Palmitate:CoA ligase (AMP-forming)
Catalysed by SLC7A5, BAAT, SLC27A2, ACSL4 and 6 moreextracellular space, cytosol, peroxisomeOne of 11 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Transport of octadecenoyl-CoA into Mitochondrial Matrix
Catalysed by SLC7A5, BAAT, CPT1A, CPT1C and 1 moreextracellular space, cytosol, peroxisomeOne of 11 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Phenylacetate:CoA ligase
Catalysed by SLC7A5, BAATextracellular space, cytosol, peroxisomeOne of 4 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- Propanoate:CoA ligase (AMP-forming)
Catalysed by SLC7A5, BAAT, ACSS3, ACSS2 and 1 moreextracellular space, cytosol, peroxisomeOne of 46 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- glycine:oxygen oxidoreductase (deaminating)
- acetyl-CoA[m] + glyoxalate[m] + H2O[m] = CoA[m] + H+[m] + malate[m]
Catalysed by SLC7A5, DAO, CLYBLextracellular space, cytosol, peroxisome, mitochondrial matrixOne of 13 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- (6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + glycine + H2O = (6S)-5,6,7,8-tetrahydrofolate + L-serine
- (6R)-5,10-methylene-5,6,7,8-tetrahydrofolate + glycine + H2O = (6S)-5,6,7,8-tetrahydrofolate + L-serine
Catalysed by SLC7A5, SHMT1, SHMT2extracellular space, cytosolOne of 2 routes
- L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
- arylformamidase (L-formylkynurenine)
- Formate:tetrahydrofolate ligase (ADP-forming)
Catalysed by IDO1, TDO2, IDO2, AFMID and 1 morecytosolOne of 5 routes
- transport of glycine and tryptophan (cytosol to extracellular)
- 5,10-Methylenetetrahydrofolate:glycine hydroxymethyltransferase
- histamine N-methyltransferase (SAM)
Catalysed by SLC7A5, SHMT1, HNMTextracellular space, cytosol
- transport of glycine and tryptophan (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- N-acetyl-LTE4 to leukotriene E4 conversion
Catalysed by SLC7A5, BAAT, ZDHHC11B, NAA10 and 30 moreextracellular space, cytosol, peroxisomeOne of 6 routes