label: cholest-5-ene-3-beta,7-alpha-diol 3-beta-dehydrogenase activity
label_lc: cholest-5-ene-3-beta,7-alpha-diol 3-beta-dehydrogenase activity
description: "Catalysis of the reaction: NAD+ + 7-alpha-hydroxycholesterol = NADH + H+ + 7-alpha-hydroxycholest-4-en-3-one."