. "Reviewed: Gagneux, P, 2010-04-16"^^ . "Edited: Jassal, B, 2009-11-10"^^ . "Authored: Dall'Olio, GM, 2009-11-10"^^ . "UDP-acetylglucosamine acts as a donor for the first two steps of the N-glycan precursor biosynthesis pathway, and is later used as a substrate for further modifications after the precursor has been attached to the protein. It is synthesized from fructose 6-phosphate, glutamine, acetyl-CoA, and UTP in four steps."^^ . . . . . . "Synthesis of UDP-N-acetyl-glucosamine"^^ . . . . . . . . . .