acetylglucosaminyltransferase activity O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase activity https://github.com/geneontology/go-ontology/issues/24845 https://github.com/geneontology/go-ontology/issues/30193 RHEA:70511 Reactome:R-HSA-5096538 O-fucosylpeptide beta-1,3-N-acetylglucosaminyltransferase activity UDP-D-GlcNAc:O-L-fucosylpeptide 3-beta-N-acetyl-D-glucosaminyltransferase activity RHEA:70531 GO:0033829 Reactome:R-HSA-1912355 EC:2.4.1.222 Catalysis of the transfer of a beta-D-GlcNAc residue from UDP-D-GlcNAc to the fucose residue of a fucosylated protein acceptor. MetaCyc:2.4.1.222-RXN molecular_function