Immunogen sequence: TERRAEGLYS QLLGLTASQS NLTKELNFTT RAKDAIMQMW LNARRDLDRI NASFRQCQGD RVIYTNNQRY MAAIILSEKQ CRDQFKDMNK SCDALLFMLN QKVKTLEVEI AKEKTICTKD KESVLLNKRV AEEQLVECVK TRELQHQERQ LAKEQLQKVQ ALCLPLDKDK FEMDLRNLWR DSIIPRSLDN LGYNLYHPLG SELASIRRAC DHM