N4-{N-acetyl-β-D-glucosaminyl-(1,2)-α-D-mannosyl-(1,3)-[N-acetyl-β-D-glucosaminyl-(1,2)-α-D-mannosyl-(1,6)]-β-D-mannosyl-(1,4)-N-acetyl-β-D-glucosaminyl-(1,4)-N-acetyl-β-D-glucosaminyl}asparagine + UDP-α-D-xylose ↔ N4-{N-acetyl-β-D-glucosaminyl-(1,2)-α-D-mannosyl-(1,3)-[N-acetyl-β-D-glucosaminyl-(1,2)-α-D-mannosyl-(1,6)]-[β-D-xylosyl-(1,2)]-β-D-mannosyl-(1,4)-N-acetyl-β-D-glucosaminyl-(1,4)-N-acetyl-β-D-glucosaminyl}asparagine + UDP
UDP-N-acetyl-α-D-glucosamine + O-mannopyranosyl-alpha-1,3-[O-mannopyranosyl-alpha-1,3-(O-mannopyranosyl-alpha-1,6)-O-mannopyranosyl-alpha-1,6]-O-mannopyranosyl-beta-1,4-N-acetyl-D-glucosamine ↔ UDP + O-mannopyranosyl-alpha-1,3-O-mannopyranosyl-alpha-1,3-(O-mannopyranosyl-alpha-1,6)-[N-acetylglucosamine-beta-1,4-O-mannopyranosyl-alpha-1,6]-O-mannopyranosyl-beta-1,4-N-acetyl-D-glucosamine + H+