280 Adds the first galactose to the lacto-N-tetraose chain in lipooligosaccharide (LOS). Lacto-N-neotetraose biosynthesis glycosyltransferase lgtE lgtE LGTE_NEIGO MQNHVISLASAAERRAHIADTFGSRGIPFQFFDALMPSERLEQAMAELVPGLSAHPYLSGVEKACFMSHAVLWEQALDEGLPYIAVFEDDVLLGEGAEQFLAEDTWLEERFDKDSAFIVRLETMFAKVIVRPDKVLNYENRSFPLLESEHCGTAGYIISREAMRFFLDRFAVLPPERIKAVDLMMFTYFFDKEGMPVYQVSPALCTQELHYAKFLSQNSMLGSDLEKDREQGRRHRRSLKVMFDLKRALGKFGREKKKRMERQRQAELEKVYGRRVILFK