Rat P450(17 alpha) from testis: characterization of a full-length cDNA encoding a unique steroid hydroxylase capable of catalyzing both delta 4- and delta 5-steroid-17,20-lyase reactions. - Fevold,HR.; Lorence,MC.; MacCarthy,JL.; Trant,JM.; Kagimoto,M.; Waterman,MR.; Mason,JI. (Mol Endocrinol, 1989)