Immunogen sequence: MCGIFAYLNY HVPRTRREIL ETLIKGLQRL EYRGYDSAGV GFDGGNDKDW EANACKIQLI KKKGKVKALD EEVHKQQDMD LDIEFDVHLG IAHTRWATHG EPSPVNSHPQ RSDKNNEFIV IHNGIITNYK DLKKFLESKG YDFESETDTE. This gene encodes the first and rate-limiting enzyme of the hexosami