Immunogen sequence: PGVLGIQRPG LLFLPDLPSA PFVPRDAQRH DVELLESSFP AILRDFGAVS WDFSGTTPPP RGWSPPLAPG CYQLLLYQAG RCQPSNCRRC PGAYRALRGL RSFMSANTFG NAGFSVLLPG ARLEGRCGPT NARVRCHLGL KIPPG Highest antigen sequence identity to the following orthologs: Mouse - 97%,