GlcNAcT-I Protein, Arabidopsis thaliana, Recombinant (His)Protein COMPLEX GLYCAN LESS 1, N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase I, N-acetylglucosaminyltransferase I (GlcNAcT-I), GNTI, CGL1, Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase, 3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase