The Enzyme Database

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EC 1.3.1.21     
Accepted name: 7-dehydrocholesterol reductase
Reaction: cholesterol + NADP+ = cholesta-5,7-dien-3β-ol + NADPH + H+
For diagram of sterol ring b, c, D modification, click here
Other name(s): DHCR7 (gene name); 7-DHC reductase; 7-dehydrocholesterol dehydrogenase/cholesterol oxidase; Δ7-sterol reductase
Systematic name: cholesterol:NADP+ Δ7-oxidoreductase
Comments: The enzyme is part of the cholesterol biosynthesis pathway.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 9080-21-1
References:
1.  Dempsey, M.E., Seaton, J.D., Schroepfer, G.J. and Trockman, R.W. The intermediary role of Δ5,7-cholestadien-3β-ol in cholesterol biosynthesis. J. Biol. Chem. 239 (1964) 1381–1387. [PMID: 14189869]
2.  Moebius, F.F., Fitzky, B.U., Lee, J.N., Paik, Y.K. and Glossmann, H. Molecular cloning and expression of the human Δ7-sterol reductase. Proc. Natl. Acad. Sci. USA 95 (1998) 1899–1902. [PMID: 9465114]
[EC 1.3.1.21 created 1972, modified 2013]
 
 


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