Immunogen sequence: FKLLQEENCD IFQNLTKKQR QSLRKMVIDI VLATDMSKHM NLLADLKTMV ETKKVTSSGV LLLDNYSDRI QVLQNMVHCA DLSNPTKPLQ LYRQWTDRIM EEFFRQGDRE RERGMEISPM CDKHNASVEK SQVGFIDYIV HPLWETWADL VHPDAQDILD TLEDNREWYQ STIPQSPSPA PDDPEEGRQG QTEKFQFELT LEEDGESDTE KDS