| cholestenone | A dehydrocholestanone, differing from cholestanone by the presence of a double bond between carbons 4 and 5. (05 Mar 2000) |
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| cholestenone 5 beta-reductase | <enzyme> A liver enzyme; may be same protein as EC 1.3.1.3 Registry number: EC 1.3.1.23 Synonym: delta(4)-3-ketosteroid-5 beta reductase, 3-keto-5-beta steroid-nadp+ -delta 4-oxidoreductase, androstenedione 5 beta-reductase, delta(4)-oxosteroid 5 beta-reductase, delta(4)-3-oxosteroid 5beta-reductase (26 Jun 1999) |
| cholestenones | Cholestenes with one or more double bonds and substituted by any number of keto groups. (12 Dec 1998) |