Immunogen sequence: MEVPQPEPAP GSALSPAGVC GGAQRPGHLP GLLLGSHGLL GSPVRAAASS PVTTLTQTMH DLAGLGSETP KSQVGTLLFR SRSRLTHLSL SRRASESSLS SESSESSDAG LCMDSPSPMD PHMAEQTFEQ AIQAASRIIR NEQFAIRRFQ SMPVRLLGHS PVLRNITNSQ APDGRRKSEA GSGAASSSGE DKENDGFVFK MPWKPTHPSS THA