ID 1.1.1.145 DE 3beta-hydroxy-Delta(5)-steroid dehydrogenase. AN 3beta-hydroxy-5-ene steroid dehydrogenase. AN progesterone reductase. CA a 3beta-hydroxy-Delta(5)-steroid + NAD(+) = a 3-oxo-Delta(5)-steroid + CA H(+) + NADH. CC -!- Acts on 3beta-hydroxyandrost-5-en-17-one to form androst-4-ene-3,17- CC dione and on 3beta-hydroxypregn-5-en-20-one to form progesterone. DR P14060, 3BHS1_HUMAN; P27365, 3BHS1_MACMU; Q60555, 3BHS1_MESAU; DR P24815, 3BHS1_MOUSE; P22071, 3BHS1_RAT ; P26439, 3BHS2_HUMAN; DR Q64421, 3BHS2_MESAU; P26149, 3BHS2_MOUSE; P22072, 3BHS2_RAT ; DR P26150, 3BHS3_MOUSE; Q62878, 3BHS4_RAT ; O35469, 3BHS6_MOUSE; DR P14893, 3BHS_BOVIN ; Q5IFP1, 3BHS_CANLF ; Q67477, 3BHS_FOWPN ; DR O46516, 3BHS_HORSE ; A0A7H0DNE2, 3BHS_MONPV ; P9WQP6, 3BHS_MYCTO ; DR P9WQP7, 3BHS_MYCTU ; Q9N119, 3BHS_PIG ; O57245, 3BHS_VACCA ; DR P21097, 3BHS_VACCC ; P26670, 3BHS_VACCW ; Q89187, 3BHS_VAR67 ; DR Q9XWF0, HSD3B_CAEEL; //