Immunogen sequence: DWIWNQMHID EEKNTSLPHH VGKIKSSVSR KNAKYLLKGE YVGKVFRVDA ETGDVFAIER LDRENISEYH LTAVIVDKDT GENLETPSSF TIKVHDVNDN WPVFTHRLFN ASVPESSAVG TSVISVTAVD ADDPTVGDHA SVMYQILKGK EYFAIDNSGR IITITKSLDR EKQARYEIVV EARDAQGLRG DSGTATVLVT LQDINDNFPF FTQ