3-oxo-5beta-cholan-24-oate + NADH + H(+) => isolithocholate + NAD(+)
3-oxo-5beta-cholan-24-oate + nadh + h(+) => isolithocholate + nad(+)
3-oxo-5beta-cholan-24-oate + NADH + H(+) => isolithocholate + NAD(+)
3-oxo-5beta-cholan-24-oate + nadh + h(+) => isolithocholate + nad(+)