3-beta-hydroxy-Delta5-steroid dehydrogenase (NAD+) activity
3-beta-hydroxy-delta5-steroid dehydrogenase (nad+) activity
Catalysis of the reaction: a 3-beta-hydroxy-Delta(5)-steroid + NAD+ = a 3-oxo-Delta(5)-steroid + NADH + H+. Also acts on on 3-beta-hydroxypregn-5-en-20-one to form progesterone.