Immunogen sequence: TILFLLDPLEG WDSTGDYCLS CLFAQGLPTY TLAVQGISGL PLKKQIDTRK KLSKAVEKRF PHDKLLLLDT QQEAGMLLRQ LANQKQQHLA FRDRRAYLFA HAVDFVPSEE NNLVGTLKIS GYVRGQTLNV NRLLHIVGYG DFQM Highest antigen sequence identity to the following orthologs - mouse 90%,