Participates in O-mannosyl glycosylation. May be responsible for the synthesis of the GlcNAc(beta1-2)Man(alpha1-)O-Ser/Thr moiety on alpha-dystroglycan and other O-mannosylated proteins. Is specific for alpha linked terminal mannose.
Specificity
Natural and recombinant Bovine Protein O-linked-mannose beta-1,2-N-acetylglucosaminyltransferase 1
Subcellular Location
Golgi apparatus membrane Single-pass type II membrane protein