Immunogen sequence: MEDFLLSNGY QLGKTIGEGT YSKVKEAFSK KHQRKVAIKV IDKMGGPEEF IQRFLPRELQ IVRTLDHKNI IQVYEMLESA DGKICLVMEL AEGGDVFDCV LNGGPLPESR AKALFRQMVE AIRYCHGCGV AHRDLKCENA LLQGFNLKLT DFGFAKVLPK SHRELSQTFC GSTAYAAPEV LQGIPHDSKK GDVWSMGVVL YVMLCASLPF DDT