Immunogen sequence: AEGFEAAKIK ALEVLEEVKV TKEMKRKILL DVARTSLQTK VHAELADVLT EVVVDSVLAV RRPGYPIDLF MVEIMEMKHK LGTDTKLIQG LVLDHGARHP DMKKRVEDAF ILICNVSLEY EKTEVNSGFF YKTAEEKEKL VKAERKFIED RVQKIIDLKD KVCAQSNKGF VVINQKGIDP FSLDSLAKHG IVALRRAKRR NMERLSLACG GMA