Immunogen sequence: FQTATTTMQA NFRKHLRMVG SRRVKAQTFA ERRERSFSRS WSDPTPMKAD TSHDSRDSSD LQSSHCTLDE AFEDLDWDTE KGLEAVACDT EGFVPPKVML ISSKVPKAEY IPTIIRRDDP SIIPILYDHE HATFEDILEE IERKLNVYHK GAKIWKMLIF CQGGPGHLYL LKNKVATFAK VEKEEDMIHF WKRLSRLMSK VNPEPNVIHI MGC