Immunogen sequence: MRMSSKFPSP PLPIFLPPEP VDLGSITSSS CSLNELDNIS HLLRKISADI NEIKGMKAAI LTVEANLFDL NVRVSKNEAK ISSLEVKMNE YSTTYECNRQ FEDQEEDTES QSRTTDVKII GFLRNVEKGT QQRQLLSRLQ IDPVMAETLQ MSQAEMSELS VAQKPEKLLE RCKYWPACKN GDECAYHHPI SPCKAFPNCK FAEKCLFVHP NCK