. "Also acts on other 3-beta-or 17-beta-hydroxysteroids (cf. EC 1.1.1.209)." . . . "3(or 17)-beta-hydroxysteroid dehydrogenase" . "Testosterone + NAD(P)(+) = androst-4-ene-3,17-dione + NAD(P)H." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .