O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase activity
o-fucosylpeptide 3-beta-n-acetylglucosaminyltransferase activity
Catalysis of the transfer of a beta-D-GlcNAc residue from UDP-D-GlcNAc to the fucose residue of a fucosylated protein acceptor.