Immunogen sequence: DVLYPSLNVT SFDSVVPEKL DDLVPKGKKF LLLSINRYER KKNLTLALEA LVQLRGRLTS QDWERVHLIV AGGYDERVLE NVEHYQELKK MVQQSDLGQY VTFLRSFSDK QKISLLHSCT CVLYTPSNEH FGIVPLEAMY MQCPVIAVNS GGPLESIDHS VTGFLCEPDP VHFSEAIEKF IREPSLKATM GLAGRARVKE KFSPEAFTEQ LYR