Immunogen sequence: KMVFTPKDGS GVKEWEVYNF PAGGVGMGMY NTDESISGFA HSCFQYAIQK KWPLYMSTKN TILKAYDGRF KDIFQEIFDK HYKTDFDKNK IWYEHRLIDD MVAQVLKSSG GFVWACKNYD GDVQSDILAQ GFGSLGLMTS VLVCPDGKTI EAEAAHGTVT RHYREHQKGR PTSTNPIASI FAWTRGLEHR GKLDGNQDLI RFAQMLEKVC VET