Immunogen sequence: FEPTYIYRLL TVNKSSLSEK GRQEDAEEYL GFILNGLHEE MLNLKKLLSP SNEKLTISNG PKNHSVNEEE QEEQGEGSED EWEQVGPRNK TSVTRQADFV QTPITGIFGG HIRSVVYQQS SKESATLQPF FTLQLDIQSD KIRTVQDALE SLVARESVQG YTTKTKQEVE ISRRVTLEKL PPVLVLHLKR FVYEKTGGCQ KLIKNIEYPV DLE