Immunogen sequence: SCTMKLNSSS ELAPITWKEF ANIHPFVPLD QAQGYQQLFR ELEKDLCELT GYDQVCFQPN SGAQGEYAGL ATIRAYLNQK GEGHRTVCLI PKSAHGTNPA SAHMAGMKIQ PVEVDKYGNI DAVHLKAMVD KHKENL Highest antigen sequence identity to the following orthologs: Mouse - 91%, Rat - 92%