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1) Which of the following monosaccharides occurs at the reducing end of the olig

ID: 134434 • Letter: 1

Question

1) Which of the following monosaccharides occurs at the reducing end of the oligosaccharide represented by 1HPN?

2) For 1HPN, a ______ group in each IDS residue indicates the presence of a repeating _______

3) The oligosaccharide group on the antibody represented by 1IGT is a __________ carbohydrate containing ___ monosaccharide residues.

4) The antibody of 1IGT contains an _________ oligosaccharide that is covalently bound to _________ of the heavy chain?

5) The carbohydrate group of the protein represented by 4DUR is _________.

noncovalently attached

6) In the structure represented by 4DUR, the oligosaccharide is attached to the protein by ______ through its _____ atom

A) IDS 12

Explanation / Answer

1-IDS 12 monosaccharides occurs at the reducing end of the oligosaccharide represented by 1HPN

2- For 1HPN, a sulfate group in each IDS residue indicates the presence of a repeating uronic acid.

3-The oligosaccharide group on the antibody represented by 1IGT is a lenear carbohydrate containing 9 monosaccharide residues.

4-The antibody of 1IGT contains an N-linked oligosaccharide that is covalently bound to Thr318 of the heavy chain.

5-The carbohydrate group of the protein represented by 4DUR is covalently attached to thr 346

6-In the structure represented by 4DUR, the oligosaccharide is attached to the protein by N-linkage through its anomeric carbon atom