Immunogen sequence: GSYEERVKRL SVSELNEILE EIETAIKEYS EELVQQLALR DELEFEKEVK NSFISVLIEV QNKQKEHKET AKKKKKLKNG SSQNGKNERS HMPGTYLTTV IPYEKKNGPP SVEDLQILTK ILRAMKEDSE KVPSLLTDYI L Highest antigen sequence identity to the following orthologs: Mouse - 92%, Rat