Immunogen sequence: MGQKVTGGIK TVDMRDPTYR PLKQELQGLD YCKPTRLDLL LDMPPVSYDV QLLHSWNNND RSLNVFVKED DKLIFHRHPV AQSTDAIRGK VGYTRGLHVW QITWAMRQRG THAVVGVATA DAPLHSVGYT TLVGNNHESW GWDLGRNRLY HDGKNQPSKT YPAFLEPDET FIVPDSFLVA LDMDDGTLSF IVDGQYMGVA FRGLKGKKLY PVV