Synonyms : 5-beta-Cholestane-3-alpha, 7-alpha, 12-alpha-triol 27-Hydroxylase, C27-Steroid 26-Hydroxylase, Cholestanetriol 26-Monooxygenase, Cytochrome P-450 CYP2R1, Cytochrome P-450 Steroid 27-Hydroxylase, Cytochrome P-450 Sterol 26-Hydroxylase, Cytochrome P450 2R1