Immunogen sequence: PCVKTYPLES GEEAVTVLEN LETGSGDTGQ QASVYIQGQD MHPMVAEYQG VSLECQSLQL LPGITTLKCE PPQRPQGNPQ EVSGPVPHGS AHLQEKNPRD KAVVPVFNPV RSQTLVKTEE ETAQAVAAEK WSHLSLTRRN LCGNS Highest antigen sequence identity to the following orthologs: Mouse - 30%,