Immunogen sequence: HVLGAGGGPG PTQGEEQPPQ PPLDPQNLAR PPAPAQTEAL SQLFCSVRTL TAKEELLQTL RTHLILHMAR AHGYSKVMTG DSCTRLAIKL MTNLALGRGA FLAWDTGFSD ERHGDVVVVR PMRDHTLKEV AFYNRLFSVP SVFTPAVDTK APEKASIHRL MEAFILRLQT QFPSTVSTVY RTSEKLVKGP RDGPAAGDSG PRCLLCMCAL DVD