Immunogen sequence: EGSVGLSVQR SVFGERNFNI HSSISHESPA VKLMKQSKTV DVLSRKLATK KKAISTKVMN SAVMRKTASS CPASLTCDCY ATDKVCSICL SRRQQVAPRA GTPGFRAPEV LTKCPNQTTA IDMWSAGVIF LSLLSGRYPF YKASDDLTAL AQIMTIRGSR ETIQAAKTFG KSILCSKEVP AQDLRKLCER LRGMDSSTPK LTSDIQGHAS HQP