cofactor binding | cation binding | steroid hydroxylase activity | iron ion binding | catalytic activity | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | monooxygenase activity | ion binding | organic cyclic compound binding | tetrapyrrole binding | sterol 12-alpha-hydroxylase activity | transition metal ion binding | heme binding | metal ion binding | heterocyclic compound binding | oxidoreductase activity
steroid hydroxylase activity | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen | monooxygenase activity | sterol 12-alpha-hydroxylase activity | metabolic process | oxidation-reduction process | oxidoreductase activity
integral component of membrane | intracellular membrane-bounded organelle | cell | intrinsic component of membrane | cytoplasm | intracellular organelle | endoplasmic reticulum | endomembrane system | membrane-bounded organelle | organelle | intracellular | membrane