Immunogen sequence: PYECEKRGLS NPNELQAAID SNRREGRRQS FGGSLFAYSP GGAHGMLSSP KLPVSSLGLA ASTNGSSITP APKIKKEEDS AIPITVPGRL PVSLAGHPVV AAQAAAVQAA AAQAAVAAQA AALEQLREKL ESAEPPEKKM ALVADEQQRL MQRALQQNFL AMAAQLPMSI RINSQASESR QDSAVNLTGT NGSNSISMSV EINGIMYTGV LFA