3.4.22.67 glycoprotein Asn99 and Asn156 are occupied by the glycans (Man)3(xyl)1(Fuc)1(GlcNAc)2 and (Man)3(Xyl)1(Fuc)1(GlcNAc)3 in a ratio of 7:1. Both glycan s are xylose containing biantennary complex types that share the common core structural unit, Man1-6(Man1-3)(Xyl1-2)Man1-4GlcNAc1-4(Fuc1-3)GlcNAc 647389 3.4.22.67 glycoprotein two N-linked oligosaccharide chains, 8% by weight, at Asn99 and Asn156 647390