Immunogen sequence: LMKILKDIEN STEIMLDRWK FEVIPNDKDE KGDPVPYSII NNYFSIGVDA SIAHRFHIMR EKHPEKFNSR MKNKFWYFEF GTSETFSATC KKLHESVEIE CDGVQIDLIN ISLEGIAILN IPSMHGGSNL WGESKKRRSH RRIEKKGSDK RTTVTDAKEL KFASQDLSDQ LLEVVGLEGA MEMGQIYTGL KSAGRRLAQC SCVVIRTSKS LPM