obsolete 3-oxo-delta(4,5)-steroid 5-beta-reductase activity (obsolete GO:0035647)
OBSOLETE. Catalysis of the reaction: a 3-oxo-delta-4,5-steroid + NADPH + H+ = a 5-beta-3-oxo-steroid + NADP+.
3-oxo-delta4,5-steroid 5beta-reductase
exact