Immunogen sequence: LQIDNARLAA DDFRTKYEHE LALRQTVEAD VNGLRRVLDE LTLARTDLEM QIEGLKEELA YLRKNHEEEM LALRGQTGGD VNVEMDAAPG VDLSRILNEM RDQYEQMAEK NRRDAETWFL SKTEELNKEV ASNSELVQSS RSEVTELRRV LQGLEIELQS QLSMKASLEN SLEETKGRYC MQLSQIQGLI GSVEEQLAQL RCEMEQQSQE YQI