Immunogen sequence: MAKQLQARRL DGIDYNPWVE FVKLASEHDV VNLGQGFPDF PPPDFAVEAF QHAVSGDFML NQYTKTFVII IEPFFDCYEP MTMMAGGRPV FVSLKPGPIQ NGELGSSSNW QLDPMELAGK FTSRTKALVL NTPNNPLGKV FSREELELVA SLCQQHDVVC ITDEVYQWMV YDGHQHISIA SLPGMWERTL TIGSAGKTFS ATGWKVGWVL GPD