Immunogen sequence: KSRKSQLSRP EGLNLEPVYF VLSQAGASSL HIQAVTQEHA GKYICEAANE HGTTQAEASL MVVPFETNTK AETVTLPDAA QNDDRSKRDG SETGLLSSFP VKVHPSAVES APEKNASGIS VPDAPIILSP PQTHTPDTYN LVW Highest antigen sequence identity to the following orthologs: Mouse - 71%, R