Immunogen sequence: EHGYPVSGGFA MPPVSLNHNL TTPFTSQAGE NSLFMGSTPS YYQLSNLLAD ARLVFPVTTD PLVPAGPVSS SSTATSVTAS NPSFMLNPSV PGIL Highest antigen sequence identity to the following orthologs - mouse 98%, rat 97%. Adrenergic receptors (ARs) include four genera