Term Name: 3-beta-hydroxysteroid dehydrogenase [NAD(P)+]/C4-decarboxylase activity
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 (C-4 sterol 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: a 3-beta-hydroxysteroid-4-alpha-carboxylate + NADP+ = a 3-oxosteroid + CO2 + NADPH.
Ontology: GO: Molecular Function [GO:0000252]    QuickGO    AmiGO

Relationships
is a type of: steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
has subtype: 3-beta-hydroxysteroid dehydrogenase (NAD+)/C4-decarboxylase activity