Dehydrogenase, 5-Ene-3 beta-hydroxysteroid

Medical Condition:
Dehydrogenase, 5-Ene-3 beta-hydroxysteroid

An enzyme that catalyzes the reduction of a 3 beta-hydroxy-delta(5)-steroid to 3-oxo-delta(4)-steroid in the presence of NAD. It converts pregnenolone to progesterone and dehydroepiandrosterone to androstenedione. EC 1.1.1.145.