The Enzyme Database

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Accepted name: Δ14-sterol reductase
Reaction: 4,4-dimethyl-5α-cholesta-8,24-dien-3β-ol + NADP+ = 4,4-dimethyl-5α-cholesta-8,14,24-trien-3β-ol + NADPH + H+
For diagram of the modification of sterol rings B, C and D, click here
Systematic name: 4,4-dimethyl-5α-cholesta-8,24-dien-3β-ol:NADP+ Δ14-oxidoreductase
Comments: This enzyme acts on a range of steroids with a 14(15)-double bond.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 69403-07-2
1.  Bottema, C.K. and Parks, L.W. Δ14-Sterol reductase in Saccharomyces cerevisiae. Biochim. Biophys. Acta 531 (1978) 301–307. [PMID: 32908]
2.  Paik, Y.K., Trzaskos, J.M., Shafice, A. and Gaylor, J.L. Microsomal enzymes of cholesterol biosynthesis from lanosterol. Characterization, solubilization, and partial purification of NADPH-dependent Δ8,14-steroid 14-reductase. J. Biol. Chem. 259 (1984) 13413–13423. [PMID: 6444198]
[EC created 2001]

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