Immunogen sequence: CFKEKSRGVL REWYAHNPYP SPREKRELAE ATGLTTTQVS NWFKNRRQRD RAAEAKEREN TENNNSSSNK QNQLSPLEGG KPLMSSSEEE FSPPQSPDQN SVLLLQGNMG HARSSNYSLP GLTASQPSHG LQTHQHQLQD S Highest antigen sequence identity to the following orthologs: Mouse - 99%, Rat