(24S)-7alpha,24-dihydroxycholest-4-en-3-one + NADH + H(+) => (24S)-7alpha-dihydroxycholesterol + NAD(+)
(24s)-7alpha,24-dihydroxycholest-4-en-3-one + nadh + h(+) => (24s)-7alpha-dihydroxycholesterol + nad(+)
(24S)-7alpha,24-dihydroxycholest-4-en-3-one + NADH + H(+) => (24S)-7alpha-dihydroxycholesterol + NAD(+)
(24s)-7alpha,24-dihydroxycholest-4-en-3-one + nadh + h(+) => (24s)-7alpha-dihydroxycholesterol + nad(+)