Question

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

A) IDS 12

B) The oligosaccharide is not reducing.

C) SGN 1

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

carboxylate; uronic acid

sulfate; aldonic acid

sulfate; uronic acid

carboxylate; aldonic acid

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

branched; 9

branched; 8

linear; 9

linear; 8

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

O-linked; Thr 318

O-linked; Asn 314

N-linked; Asn 314

N-linked; Thr 318

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

covalently attached to Thr 346

covalently attached to Thr 373

covalently attached to Ser 332

noncovalently attached

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

O-linkage; anomeric carbon

O-linkage; C2

N-linkage; C2

N-linkage; anomeric carbon

Answer 1