label: 3-oxo-5alpha-steroid 4-dehydrogenase (NADP+) activity
label_lc: 3-oxo-5alpha-steroid 4-dehydrogenase (nadp+) activity
description: "Catalysis of the reaction: 3-oxo-5alpha-steroid + NADP+ = a 3-oxo-delta(4)-steroid + H+ + NADPH."