Immunogen sequence: MNQEDLDPDS TTDVGDVTNT EEELIRECEE MWKDMEECQN KLSLIGTETL TDSNAQLSLL IMQVKCLTAE LSQWQKKTPE TIPLTEDVLI TLGKEEFQKL RQDLEMVLST KESKNEKLKE DLEREQRWLD EQQQIMESLN VLHSELKNKV ETFSESRIFN ELKTKMLNIK EYKEKLLSTL GEFLEDHFPL PDRSVKKKKK NIQESSVNLI TLH