Tags: Enzyme.
In enzymology a 3beta-hydroxy-5beta-steroid dehydrogenase (EC 1.1.1.277) is an enzyme that catalyzes the chemical reaction3beta-hydroxy-5beta-pregnane-20-one + NADP+ 5beta-pregnan-320-dione + NADPH + H+Thus the two substrates of this enzyme are 3beta-hydroxy-5beta-pregnane-20-one and NADP+ whereas its 3 products are 5beta-pregnan-320-dione NADPH and H+.This enzyme belongs to the family of oxidoreductases specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor.