ID 1.1.1.51 DE 3(or 17)-beta-hydroxysteroid dehydrogenase. CA Testosterone + NAD(P)(+) = androst-4-ene-3,17-dione + NAD(P)H. CC -!- Also acts on other 3-beta- or 17-beta-hydroxysteroids (cf. CC EC 1.1.1.209). PR PROSITE; PDOC00060; DR P19871, 3BHD_COMTE ; //