Immunogen sequence: LSLNKCFQKV ERSHGKVNGK GSLWCVDPEY KPNLIQALKK QPFSSASSQN GSLSPHYLSS VIKQNQVRNL KESDIDAAAA MMLLNTSIEQ GILECEKPLP LKTALQKKRS YGNAFHHPSA VRLQESDSLA TSIDPKEDHN YSA Highest antigen sequence identity to the following orthologs: Mouse - 80%, R