ID 1.3.1.71 DE Delta(24(24(1)))-sterol reductase. AN C-24(28) sterol reductase. AN sterol Delta(24(28))-methylene reductase. AN sterol Delta(24(28))-reductase. CA ergosterol + NADP(+) = ergosta-5,7,22,24(28)-tetraen-3beta-ol + H(+) + CA NADPH. CC -!- Acts on a range of steroids with a 24(24(1))-double bond. DR Q4WW43, ERG4A_ASPFU; Q4WJ59, ERG4B_ASPFU; A0A1D8PJ25, ERG4_CANAL ; DR I1RZZ3, ERG4_GIBZE ; P36209, ERG4_SCHPO ; P25340, ERG4_YEAST ; //