Immunogen sequence: GNNPVDENGA KIPDEFDNDP ILVQQLRRTY KYFKDYRQMI IEPTSPCLLP DPLQEPYYQP PYTLVLELTG VLLHPEWSLA TGWRFKKRPG IETLFQQLAP LYEIVIFTSE TGMTAFPLID SVDPHGFISY RLFRDATRYM DGHHVKDISC LNRDPARVVV VDCKKEAFRL QPYNGVALRP WDGNSDDRVL LDLSAFLKTI ALNGVEDVRT VLE