N-acetylglucosaminyldiphosphodolichol N-acetylglucosaminyltransferase (EC2.4.1.141, UDP-GlcNAc:dolichyl-pyrophosphoryl-GlcNAc GlcNAc transferase, uridine diphosphoacetylglucosamine-dolichylacetylglucosamine pyrophosphate acetylglucosaminyltransferase, N,N'-diacetylchitobiosylpyrophosphoryldolichol synthase) is an enzyme with systematic nameUDP-N-acetyl-D-glucosamine:N-acetyl-D-glucosaminyl-diphosphodolichol N-acetyl-D-glucosaminyltransferase.[1][2] This enzyme catalyses the following chemical reaction
^Turco SJ, Heath EC (May 1977). "Glucuronosyl-N-acetylglucosaminyl pyrophosphoryldolichol. Formation in SV40-transformed human lung fibroblasts and biosynthesis in rat lung microsomal preparations". The Journal of Biological Chemistry. 252 (9): 2918–28. PMID192724.