Immunogen sequence: SKAPEFEDSE EVRRIWNRAI PLWELPDQEE VQLADTMFGL TKVTDDTLKR FSVRYLRPAR SLVFPWFSPG GSGLRGLKLL EAKCQGDGVS YEETTIPRPS AYHNLFGLPL ISRRDAEVVL TSRELDSLAL NQSTG Highest antigen sequence identity to the following orthologs: Mouse - 80%, Rat - 78%.