The Enzyme Database

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Accepted name: 7β-hydroxysteroid dehydrogenase (NADP+)
Reaction: a 7β-hydroxysteroid + NADP+ = a 7-oxosteroid + NADPH + H+
Other name(s): NADP-dependent 7β-hydroxysteroid dehydrogenase; 7β-hydroxysteroid dehydrogenase (NADP)
Systematic name: 7β-hydroxysteroid:NADP+ 7-oxidoreductase
Comments: Catalyses the oxidation of the 7β-hydroxy group of bile acids such as ursodeoxycholate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 79393-83-2
1.  Hirano, S. and Masuda, N. Characterization of NADP-dependent 7β-hydroxysteroid dehydrogenases from Peptostreptococcus productus and Eubacterium aerofaciens. Appl. Environ. Microbiol. 43 (1982) 1057–1063. [PMID: 6954878]
2.  Macdonald, I.A. and Roach, P.D. Bile induction of 7α- and 7β-hydroxysteroid dehydrogenases in Clostridium absonum. Biochim. Biophys. Acta 665 (1981) 262–269. [PMID: 6945134]
3.  Macdonald, I.A., Rochon, Y.P., Hutchison, D.M. and Holdeman, L.V. Formation of ursodeoxycholic acid from chenodeoxycholic acid by a 7β-hydroxysteroid dehydrogenase-elaborating Eubacterium aerofaciens strain cocultured with 7α-hydroxysteroid dehydrogenase-elaborating organisms. Appl. Environ. Microbiol. 44 (1982) 1187–1195. [PMID: 6758698]
[EC created 1984]

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