Immunogen sequence: RLMFFSPAPD NFDQEPILDS FNFSQEYLFQ EQYLSKDLTP AVTDNDEADK KAGQATEGHC PRQQWALVEF EKPVTCPRLC LVIGSRLDAD IHTNTCRLAF HGILLHGLED RNYADSFLPR LKVYKLKHKH GLVERAMDDY SVIGRSLFKK ETNIQLFVGL KVHLSTGELG IIDSAFGQSG KFKIHIPGGL SPESKKILTP ALKKRARAGR GEA