Immunogen sequence: MAEYDLTTRI AHFLDRHLVF PLLEFLSVKE IYNEKELLQG KLDLLSDTNM VDFAMDVYKN LYSDDIPHAL REKRTTVVAQ LKQLQAETEP IVKMFEDPET TRQMQSTRDG RMLFDYLADK HGFRQEYLDT LYRYAKFQYE CGNYSGAAEY LYFFRVLVPA TDRNALSSLW GKLASEILMQ NWDAAMEDLT RLKETIDNNS VSSPLQSLQQ RTW