Immunogen sequence: ITQAKHTAKS ISDQCAESPA GHSFLSWLGF SSMDTNGSYT ANDLDEMGQD SVRKTDEYLE KALEYLRQIF RLSEAQLRQF TLALGTTQDE NGKKQLPDCI VGEDGLILTP LGRYQIINGL RRFEIEYQGD PELQPIRSYE IASLVRTLFR LSSAINHRFA GQMAALCSRD DFLGSFCRYH LTEPGLASRH LLSPVGRRQV A. The protein