Immunogen sequence: MLKSNDCLFS LENLFFEKPD EVENHPDNEK SLDWFLPPAP LISEIPDTQE LEEELESHKL LGQEKRPKML TSNLKITNED TNYISLTQKF QFAFPSDKYE QDDLNLEGVG NNDLSHVAGK LTYASQKYKN HIGTEIAPEK SVPDDTKLVN FAEDKGESTS VFRKRLFKIS DNIHGSAYSN DNELDSHIGS VKIVQTEMNK GKSRNYSNSK QKF