Immunogen sequence: AGIKEEIRRQ EFLLNCLHRD LQGGIKDLSK EERLWEVQRI LTALKRKLRE AKRQECETKI AQEIASLSKE DVSKEEMNEN EEVINILLAQ ENEILTEQEE LLAMEQFLRR QIASEKEEIE RLRAEIAEIQ SRQQHGRSET EEYSSESESE SEDEEELQII LEDLQRQNEE LEIKNNHLNQ AIHEEREAII ELRVQLRLLQ MQRAKAEQQA QED