Tryptophan metabolism

Han Q, Cai T, Tagle DA, Li J. Structure, expression, and function of kynurenine aminotransferases in human and rodent brains. Cellular and Molecular Life Sciences. 2009 Oct 15;67(3):353–68. doi: 10.1007/s00018-009-0166-4.

Metabolites

(Indol-3-yl)acetamide

Formula: C10H10N2O (174.079309)

CAS ID: 879-37-8

(R)-(Indol-3-yl)lactate

Formula: C11H11NO3 (205.0738896)

CAS ID: 101312-07-6

2-Aminomuconate

Formula: C6H7NO4 (157.0375062)

CAS ID: 4548-99-6

2-Aminomuconate semialdehyde

Formula: C6H7NO3 (141.0425912)

CAS ID: 245128-91-0

4-Aminobenzoate

Formula: C7H7NO2 (137.0476762)

CAS ID: 150-13-0

4,6-Dihydroxyquinoline

Formula: C9H7NO2 (161.0476762)

CAS ID: 3517-61-1

4,8-Dihydroxyquinoline

Formula: C9H7NO2 (161.0476762)

CAS ID: 14959-84-3

5-Hydroxy-L-tryptophan

Formula: C11H12N2O3 (220.0847882)

CAS ID: 4350-09-8

5-Hydroxyindoleacetaldehyde

Formula: C10H9NO2 (175.0633254)

CAS ID: 1892-21-3

Acetoacetyl-CoA

Formula: C25H40N7O18P3S (851.136333)

CAS ID: 1420-36-6

Cinnavalininate

Formula: C14H8N2O6 (300.0382348)

CAS ID: 606-59-7

Crotonoyl-CoA

Formula: C25H40N7O17P3S (835.141418)

CAS ID: 992-67-6

Formyl-5-hydroxykynurenamine

Formula: C10H12N2O3 (208.0847882)

CAS ID: 958733-17-0

Glutaryl-CoA

Formula: C26H42N7O19P3S (881.1468972000001)

CAS ID: 3131-84-8

Indican

Formula: C14H17NO6 (295.1055822)

CAS ID: 487-60-5

Indole-3-carboxaldehyde

Formula: C9H7NO (145.0527612)

CAS ID: 487-89-8

Indole-3-ethanol

Formula: C10H11NO (161.0840596)

CAS ID: 526-55-6

Indolepyruvate

Formula: C11H9NO3 (203.0582404)

CAS ID: 392-12-1

Melatonin

Formula: C13H16N2O2 (232.1211716)

CAS ID: 73-31-4

N-Methylserotonin

Formula: C11H14N2O (190.1106074)

CAS ID: 1134-01-6

N-Methyltryptamine

Formula: C11H14N2 (174.1156924)

CAS ID: 61-49-4

Picolinic acid

Formula: C6H5NO2 (123.032027)

CAS ID: 98-98-6

Skatole

Formula: C9H9N (131.0734954)

CAS ID: 83-34-1

Tyramine

Formula: C8H11NO (137.0840596)

CAS ID: 51-67-2

Xanthurenic acid

Formula: C10H7NO4 (205.0375062)

CAS ID: 59-00-7

Indoleacrylic acid

Formula: C11H9NO2 (187.0633254)

CAS ID: 29953-71-7

Indolylacryloylglycine

Formula: C13H12N2O3 (244.0847882)

CAS ID: 3475-68-1

butyrate

Formula: C4H7O2 (87.0446022)

CAS ID: 461-55-2

cholate

Formula: C24H39O5 (407.2797344)

CAS ID: 298-43-1



Enzyme

EC Number name full name note
1.13.11.-
1.1.1.110 aromatic 2-oxoacid reductase aromatic 2-oxoacid:NAD+ oxidoreductase
1.1.1.35 3-hydroxyacyl-CoA dehydrogenase (S)-3-hydroxyacyl-CoA:NAD+ oxidoreductase
1.13.11.11 tryptophan 2,3-dioxygenase L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
1.13.11.52 indoleamine 2,3-dioxygenase D-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)
1.14.16.4 tryptophan 5-monooxygenase L-tryptophan,tetrahydrobiopterin:oxygen oxidoreductase (5-hydroxylating)
1.2.1.3 aldehyde dehydrogenase (NAD+) aldehyde:NAD+ oxidoreductase
1.3.8.15 3-(aryl)acrylate reductase 3-(phenyl)propanoate:electron-transfer flavoprotein 2,3-oxidoreductase
1.4.3.2 L-amino-acid oxidase L-amino-acid:oxygen oxidoreductase (deaminating)
1.4.3.25 L-arginine oxidase L-arginine:oxygen oxidoreductase (deaminating)
2.6.1.1 aspartate transaminase L-aspartate:2-oxoglutarate aminotransferase
2.6.1.39 2-aminoadipate transaminase L-2-aminoadipate:2-oxoglutarate aminotransferase
2.6.1.4 glycine transaminase glycine:2-oxoglutarate aminotransferase
2.6.1.63 kynurenine-glyoxylate transaminase L-kynurenine:glyoxylate aminotransferase (cyclizing)
2.6.1.64 glutamine-phenylpyruvate transaminase L-glutamine:phenylpyruvate aminotransferase
2.6.1.7 kynurenine-oxoglutarate transaminase L-kynurenine:2-oxoglutarate aminotransferase
2.6.1.73 methionine-glyoxylate transaminase L-methionine:glyoxylate aminotransferase
4.1.99.1 tryptophanase L-tryptophan indole-lyase (deaminating; pyruvate-forming)
4.2.1.175 (R)-3-(aryl)lactoyl-CoA dehydratase (R)-3-phenyllactyl-CoA hydro-lyase
4.4.1.13 cysteine-S-conjugate beta-lyase L-cysteine-S-conjugate thiol-lyase (deaminating; pyruvate-forming)


Proteins

Protein ID name full name
G9EZR6 fldH Aromatic 2-oxoacid reductase
J7SHB8 fldH Aromatic 2-oxoacid reductase
J7TF92 acdA 3-(aryl)acrylate reductase
O07674 tnaA Tryptophanase
P31014 tnaA1 Tryptophanase 1
P31015 tnaA2 Tryptophanase 2
P45867 acdA Acyl-CoA dehydrogenase
Q93AL8 fldC (R)-phenyllactyl-CoA dehydratase beta subunit
Q93AL9 fldB (R)-phenyllactyl-CoA dehydratase alpha subunit
Q9ZNA8 tnaA Tryptophanase