the results suggest that the type a oligosaccharides have similar average structures and contain at the non-reducing terminus 3.4 mol of alpha-d-sialic acid and 0.7 mol of alpha-l-focose , folloled by 3.1 mol of beta-d-galactose , 4.2 mol of n-acetyl-beta-d-glucosamine , 0.7-1.5 mol of alpha-d-mannose , 0.5 mol of beta-d-mannose and 0.6-2.2 mol of n-acetyl-beta-d-glucosamine attached to 1.0 mol of n-acetylglucosamine resistant to n-acetyl-beta-d-glucosaminidase .
C0017718
glucosamine
C0001056
acetylglucosamine