Synonyms : 17 alpha-Hydroxylase Cytochrome P-450, 17 alpha-Hydroxyprogesterone Aldolase, 17, 20-Desmolase, Cytochrome P-450(17-alpha), Cytochrome P450(17 alpha), Hydroxyprogesterone Aldolase, Steroid 17 alpha-Hydroxylase, Steroid-17-Hydroxylase, 17 alpha Hydroxylase