label: (5alpha)-campestan-3-one hydroxylase activity
label_lc: (5alpha)-campestan-3-one hydroxylase activity
description: "Catalysis of the reaction: H+ + (5alpha)-campestan-3-one + O2 + NADPH = (5alpha,22S,24R)-22-hydroxyergostan-3-one + H2O + NADP."