Immunogen sequence: MAKVFSFILV TTALTMGREI SALEDCAQEQ MRLRAQVRLL ETRVKQQQVK IKQLLQENEV QFLDKGDENT VIDLGSKRQY ADCSEIFNDG YKLSGFYKIK PLQSPAEFSV YCDMSDGGGW TVIQRRSDGS ENFNRGWKDY ENGFGNFVQK HGEYWLGNKN LHFLTTQEDY TLKIDLADFE KNSRYAQYKN FKVGDEKNFY ELNIGEYSGT AGD