Immunogen sequence: EICEVSEENY IRLKPLLNTM IQSNYNRGTS AVNVVLSLKL VGIQIQTLMQ KMIQQIKYNV KSRLSDVSSG ELALIILALG VCRNAEENLI YDYHLIDKLE NKFQAEIENM EAHNGTPLTN YYQLSLDVLA LCLFNGNYST AEVVNHFTPE NKNYYFGSQF SVDTGAMAVL ALTCVKKSLI NGQIKADEGS LKNISIYTKS LVEKILSEKK ENG