Immunogen sequence: MATEGLHENE TLASLKSEAE SLKGKLEEER AKLHDVELHQ VAERVEALGQ FVMKTRRTLK GHGNKVLCMD WCKDKRRIVS SSQDGKVIVW DSFTTNKEHA VTMPCTWVMA CAYAPSGCAI ACGGLDNKCS VYPLTFDKNE NMAAKKKSVA MHTNYLSACS FTNSDMQILT ASGDGTCALW DVESGQLLQS FHGHGADVLC. The Gb5 prote