7alpha,25-dihydroxycholesterol + NAD(+) <=> 7alpha,25-dihydroxy-4-cholesten-3-one + NADH + H(+)
7alpha,25-dihydroxycholesterol + nad(+) <=> 7alpha,25-dihydroxy-4-cholesten-3-one + nadh + h(+)
7alpha,25-dihydroxycholesterol + NAD(+) <=> 7alpha,25-dihydroxy-4-cholesten-3-one + NADH + H(+)
7alpha,25-dihydroxycholesterol + nad(+) <=> 7alpha,25-dihydroxy-4-cholesten-3-one + nadh + h(+)