7alpha-Hydroxycholest-4-en-3-One 12alpha-Hydroxylase Activity
7alpha-Hydroxycholest-4-en-3-One,NADPH:oxygen Oxidoreductase (12alpha-Hydroxylating) Activity
Catalysis of the reaction: 7alpha-hydroxycholest-4-en-3-one + H(+) + NADPH + O(2) = 7alpha,12alpha-dihydroxycholest-4-en-3-one + H(2)O + NADP(+).