Immunogen sequence: DTELIRKLRE EGKVIEPLKD FHKDEVRILG RELGLPEELV SRHPFPGPGL AIRVICAEEP YICKDFPETN NILKIVADFS ASVKKPHTLL QRVKACTTEE DQEKLMQITS LHSLNAFLLP IKTVGVQGDC RSYSYVCGIS SKDEPDWESL IFLARLIPRM CHNVNRVVYI FGPPVKEPPT DVTPTFLTTG VLSTLRQADF EAHNILRESG YAG