Immunogen sequence: MHCKVSLLDD TVYECVVEKH AKGQDLLKRV CEHLNLLEED YFGLAIWDNA TSKTWLDSAK EIKKQVRGVP WNFTFNVKFY PPDPAQLTED ITRYYLCLQL RQDIVAGRLP CSFATLALLG SYTIQSELGD YDPELHGVDY VSDFKLAPNQ TKELEEKVME LHKSYRSMTP AQADLEFLEN AKKLSMYGVD LHKAKDLEGV DIILGVCSSG LLV