Immunogen sequence: MPILLFLIDT SASMNQRSHL GTTYLDTAKG AVETFMKLRA RDPASRGDRY MLVTFEEPPY AIKAGWKENH ATFMNELKNL QAEGLTTLGQ SLRTAFDLLN LNRLVTGIDN YGQGRNPFFL EPAIIITITD GSKLTTTSGV QDELHLPLNS PLPGSELTKE PFRWDQRLFA LVLRLPGTMS VESEQLTGVP LDDSAITPMC EVTGGRSYSV CSP