Immunogen sequence: ECPACYRLVK DKVADHRVKL QELESLIANL GTGDEMVTDQ AFEDRLKEAE REVMDLLREA QDVKDVDQNL MDRLQRVNNT LSSQISRLQN IRNTIEETGN LAEQARAHVE NTERLIEIAS RELEKAKVAA ANVSVTQPES TGDPNNMTLL AEEARKLAER HKQEADDIVR VAKTANDTST EAYNLLLRTL AGENQTAFEI EELNRKYEQA KNI