Steroid delta(5)-3 beta-ol Dehydrogenase

Medical Condition:
Steroid delta(5)-3 beta-ol Dehydrogenase

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.