Immunogen sequence: HLVLSPPPPH TGPALISALN ILEGFNLTSL VSREQALHWV AETLKIALAL ASRLGDPVYD STITESMDDM LSKVEAAYLR GHINDSQAAP APLLPVYELD GAPTAAQVLI MGPDDFIVAM VSSLNQPFGS GLITPSGILL NS Highest antigen sequence identity to the following orthologs: Mouse - 96%, Ra