Immunogen sequence: MHFSIPETES RSGDSGGSAY VAYNIHVNGV LHCRVRYSQL LGLHEQLRKE YGANVLPAFP PKKLFSLTPA EVEQRREQLE KYMQAVRQDP LLGSSETFNS FLRRAQQETQ QVPTEEVSLE VLLSNGQKVL VNVLTSDQTE DVLEAVAAKL DLPDDLIGYF SLFLVREKED GAFSFVRKLQ EFELPYVSVT SLRSQEYKIV LRKSYWDSAY DDD