Gravar-mail: The Biosynthesis of UDP-d-FucNAc-4N-(2)-oxoglutarate (UDP-Yelosamine) in Bacillus cereus ATCC 14579: Pat AND Pyl, AN AMINOTRANSFERASE AND AN ATP-DEPENDENT Grasp PROTEIN THAT LIGATES 2-OXOGLUTARATE TO UDP-4-AMINO-SUGARS