IUBMB Enzyme Nomenclature


Accepted name: quinine 3-monooxygenase

Reaction: quinine + NADPH + H+ + O2 = 3-hydroxyquinine + NADP+ + H2O

Glossary entries:
Quinine: a quinoline alkaloid

Other name(s): quinine 3-hydroxylase

Systematic name: quinine,NADPH:oxygen oxidoreductase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number:


1. Relling, M.V., Evans, R., Dass, C., Desiderio, D.M. and Nemec, J. Human cytochrome P450 metabolism of teniposide and etoposide. J. Pharmacol. Exp. Ther. 261 (1992) 491-496. [PMID: 1578365]

2. Zhang, H., Coville, P.F., Walker, R.J., Miners, J.O., Birkett, D.J. and Wanwimolruk, S. Evidence for involvement of human CYP3A in the 3-hydroxylation of quinine. Br. J. Clin. Pharmacol. 43 (1997) 245-252. [PMID: 9088578]

3. Zhao, X.-J., Kawashiro, T. and Ishizaki, T. Mutual inhibition between quinine and etoposide by human liver microsomes. Evidence for cytochrome P4503A4 involvement in their major metabolic pathways. Drug Metab. Dispos. 26 (1998) 188-191. [PMID: 9456308]

4. Zhao, X.-J., Yokoyama, H., Chiba, K., Wanwimolruk, S. and Ishizaki, T. Identification of human cytochrome P450 isoforms involved in the 3-hydroxylation of quinine by human liver microsomes and nine recombinant human cytochromes P450. J. Pharmacol. Exp. Ther. 279 (1996) 1327-1334. [PMID: 8968357]

[EC created 2000]

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