Immunogen sequence: MYTFVVRDEN SSVYAEVSRL LLATGHWKRL RRDNPRFNLM LGERNRLPFG RLGHEPGLVQ LVNYYRGADK LCRKASLVKL IKTSPELAES CTWFPESYVI YPTNLKTPVA PAQNGIQPPI SNSRTDEREF FLASYNRKKE DGEGNVWIAK SSAGAKGEGI LISSEASELL DFIDNQGQVH VIQKYLEHPL LLEPGHRKFD IRSWVLVDHQ YNI