Immunogen sequence: GQRGNKLPTG EQGLDEDVDG VCESHAAPGL ECSSGSANCQ GAGPSADGIS SRLTPAESCM GLVRMNLYTH CVKGLVLSLL AEEPLLGDSA AIEEVYHSSL ASLNGLEVHL KETLPRDEAA STSSTYNFTH YDR Highest antigen sequence identity to the following orthologs: Mouse - 61%, Rat - 58%. C