Immunogen sequence: MDSLPDEFFV RHPAVEDQRK EETENKLEKS SGQLNKQEND IPTDLVPVNL LLEVKKLLNA INTLPKGVVP HIKKFLQEDF SFQTMQREVA ANSQNGEEIV PALTLRFLIT QLEAALRNIQ AGNYTAHQIN IGYYLTLLFL YGVALTERGK KEDYTEAENK FLVMKMMIQE NEICENFMSL VYFGRGLLRC AQKRYNGGLL EFHKSLQEIG DKN