Immunogen sequence: VTWNVGTAMP PDDVTSLLHL GGGDDSDGAD MIAIGLQEVN SMLNKRLKDA LFTDQWSELF MDALGPFNFV LVSSVRMQGV ILLLFAKYYH LPFLRDVQTD CTRTGLGGYW GNKGGVSVRL AAFGHMLCFL NCHLPAHMDK AEQRKDNFQT ILSLQQFQGP GAQGILDHDL VFWFGDLNFR IESYDLHFVK FAIDSDQLHQ LWEKDQLNMA KNT