Term Name: | C-3 sterol dehydrogenase (C-4 sterol decarboxylase) activity |
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Synonyms: | 3beta-hydroxy-4alpha-methylcholestenecarboxylate 3-dehydrogenase (decarboxylating), 3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carboxylate:NAD(P)+ 3-oxidoreductase (decarboxylating), 3beta-hydroxy-4beta-methylcholestenecarboxylate 3-dehydrogenase (decarboxylating), 3beta-hydroxy-4beta-methylcholestenoate dehydrogenase activity, C-3 sterol dehydrogenase (C-4 decarboxylase) activity, C-3 sterol dehydrogenase activity, sterol 4alpha-carboxylic decarboxylase activity, sterol-4-carboxylate 3-dehydrogenase (decarboxylating) activity, sterol-4alpha-carboxylate 3-dehydrogenase (decarboxylating) |
Definition: | Catalysis of the reaction: 3-beta-hydroxy-4-beta-methyl-5-alpha-cholesta-8,24-dien-4-alpha-carboxylate + NAD(P)+ = 4-alpha-methyl-5-alpha-cholesta-8,24-dien-3-one + CO2 + NAD(P)H. |
Ontology: | GO: Molecular Function [GO:0000252] QuickGO AmiGO |