Immunogen sequence: MRMTMEEMKN EAETTSMVSM PLYAVMYPVF NELERVNLSA AQTLRAAFIK AEKENPGLTQ DIIMKILEKK SVEVNFTESL LRMAADDVEE YMIERPEPEF QDLNEKARAL KQILSKIPDE INDRVRFLQT IKDIASAIKE LLDTVNNVFK KYQYQNRRAL EHQKKEFVKY SKSFSDTLKT YFKDGKAINV FVSANRLIHQ TNLILQTFKT VA;