The Enzyme Database

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Accepted name: kynurenine 3-monooxygenase
Reaction: L-kynurenine + NADPH + H+ + O2 = 3-hydroxy-L-kynurenine + NADP+ + H2O
For diagram of tryptophan catabolism, click here
Other name(s): kynurenine 3-hydroxylase; kynurenine hydroxylase; L-kynurenine-3-hydroxylase
Systematic name: L-kynurenine,NADPH:oxygen oxidoreductase (3-hydroxylating)
Comments: A flavoprotein (FAD).
Links to other databases: BRENDA, EXPASY, Gene, KEGG, MetaCyc, PDB, CAS registry number: 9029-61-2
1.  de Castro, F.T., Price, J.M. and Brown, R.R. Reduced triphosphopyridinenucleotide requirement for the enzymatic formation of 3-hydroxykynurenine from L-kynurenine. J. Am. Chem. Soc. 78 (1956) 2904–2905.
2.  Okamoto, H. and Hayaishi, O. Flavin adenine dinucleotide requirement for kynurenine hydroxylase of rat liver mitochondria. Biochem. Biophys. Res. Commun. 29 (1967) 394–399. [DOI] [PMID: 6076241]
3.  Saito, Y., Hayaishi, O. and Rothberg, S. Studies on oxygenases: enzymatic formation of 3-hydroxy-L-kynurenine from L-kynurenine. J. Biol. Chem. 229 (1957) 921–934. [PMID: 13502353]
[EC created 1961 as EC, transferred 1965 to EC, transferred 1972 to EC]

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