24-hydroxycholesterol 7-alpha-hydroxylase; CP39A; CYP39A1; Cytochrome P450 39A1; cytochrome P450, family 39, subfamily A, polypeptide 1; cytochrome P450, subfamily XXXIX (oxysterol 7 alpha-hydroxylase), polypeptide 1; hCYP39A1; Oxysterol 7-alpha-hydroxyla