Term Name:	3-beta-hydroxysteroid dehydrogenase/C4-decarboxylase (NAD+) activity
Synonyms:
Definition:	Catalysis of the reaction: a 3beta-hydroxysteroid-4alpha-carboxylate + NAD+ = a 3-oxosteroid + CO2 + NADH.
Ontology:	GO: Molecular Function [GO:0102175]    QuickGO    AmiGO