Immunogen sequence: MDGIVPDIAV GTKRGSDELF STCVTNGPFI MSSNSASAAN GNDSKKFKGD SRSAGVPSRV IHIRKLPIDV TEGEVISLGL PFGKVTNLLM LKGKNQAFIE MNTEEAANTM VNYYTSVTPV LRGQPIYIQF SNHKELKTDS SPNQARAQAA LQAVNSVQSG NLALAASAAA VDAGMAMAGQ SPVLRIIVEN LFYPVTLDVL HQIFSKFGTV LKI