Immunogen sequence: PGITPTEEKD GNLPDIVNSG SLHEFLVNLH ERYGPVVSFW FGRRLVVSLG TVDVLKQHIN PNKTLDPFET MLKSL Highest antigen sequence identity to the following orthologs: Mouse - 95%, Rat - 93%. CYP20A1 is a member of the cytochrome P450 superfamily of enzymes