label: (25R)-cholest-5-en-3beta,7alpha,26-triol + NAD(+) = (25R)-7alpha,26-dihydroxycholest-4-en-3-one + NADH + H(+)
label_lc: (25r)-cholest-5-en-3beta,7alpha,26-triol + nad(+) = (25r)-7alpha,26-dihydroxycholest-4-en-3-one + nadh + h(+)