ID 1.1.1.50 DE 3-alpha-hydroxysteroid dehydrogenase (B-specific). AN 3-alpha-HSD. AN Hydroxyprostaglandin dehydrogenase. CA Androsterone + NAD(P)(+) = 5-alpha-androstane-3,17-dione + NAD(P)H. CC -!- Acts on other 3-alpha-hydroxysteroids and on 9-, 11- and CC 15-hydroxyprostaglandin. CC -!- B-specific with respect to NAD(+) or NADP(+) (cf. EC 1.1.1.213). PR PROSITE; PDOC00061; DR P17516, AK1C4_HUMAN; Q95JH5, AK1C4_MACFA; Q95JH4, AK1C4_MACFU; DR P80702, DIDH_COMTE ; P80701, DIDH_PSESP ; //