ID 1.3.1.70 DE Delta(14)-sterol reductase. AN C-14 sterol reductase. AN sterol C14-reductase. CA 4,4-dimethyl-5alpha-cholesta-8,24-dien-3beta-ol + NADP(+) = 4,4-dimethyl- CA 5alpha-cholesta-8,14,24-trien-3beta-ol + H(+) + NADPH. CC -!- Acts on a range of steroids with a 14(15)-double bond. DR I1RR90, ER24A_GIBZE; I1RF79, ER24B_GIBZE; Q9LDR4, ERG24_ARATH; DR P78575, ERG24_ASCIM; Q8WMV1, ERG24_BOVIN; A0A1D8PIC7, ERG24_CANAL; DR Q54PP1, ERG24_DICDI; Q01447, ERG24_FUSVN; O76062, ERG24_HUMAN; DR Q71KT5, ERG24_MOUSE; P38670, ERG24_NEUCR; Q09195, ERG24_SCHPO; DR O13597, ERG24_SEPLY; P32462, ERG24_YEAST; G4SW86, ERG_META2 ; DR P23913, LBR_CHICK ; Q14739, LBR_HUMAN ; Q3U9G9, LBR_MOUSE ; DR Q5R7H4, LBR_PONAB ; O08984, LBR_RAT ; //