2.3.1.4 glucosamine-phosphate N-acetyltransferase UDP-N-acetyl-D-glucosamine biosynthesis II - 2.6.1.16 glutamine-fructose-6-phosphate transaminase (isomerizing) UDP-N-acetyl-D-glucosamine biosynthesis II - 2.7.1.1 hexokinase UDP-N-acetyl-D-glucosamine biosynthesis II - 2.7.1.2 glucokinase UDP-N-acetyl-D-glucosamine biosynthesis II - 2.7.7.23 UDP-N-acetylglucosamine diphosphorylase UDP-N-acetyl-D-glucosamine biosynthesis II - 5.3.1.9 glucose-6-phosphate isomerase UDP-N-acetyl-D-glucosamine biosynthesis II - 5.4.2.3 phosphoacetylglucosamine mutase UDP-N-acetyl-D-glucosamine biosynthesis II -