Immunogen sequence: MKIDIHSHIL PKEWPDLKKR FGYGGWVQLQ HHSKGEAKLL KDGKVFRVVR ENCWDPEVRI REMDQKGVTV QALSTVPVMF SYWAKPEDTL NLCQLLNNDL ASTVVSYPRR FVGLGTLPMQ APELAVKEME RCVKELGFPG VQIGTHVNEW DLNAQELFPV YAAAERLKCS LFVHPWDMQM DGRMAKYWLP WLVGMPAETT IAICSMIMGG VFE