label: N-acetylglucosaminyldiphosphodolichol N-acetylglucosaminyltransferase activity
label_lc: n-acetylglucosaminyldiphosphodolichol n-acetylglucosaminyltransferase activity
description: "Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + N-acetyl-D-glucosaminyl-diphosphodolichol = UDP + N,N''-diacetylchitobiosyldiphosphodolichol."