To what residue of a polypeptide are N-linked oligosaccharide chains attached as that poypeptide enters the RER lumen through the translocon?
A)arginine
B)asparagine
C)serine
D)threonine
E)ninhydrin

Question

Quizplus · Accepted Answer

N-linked oligosaccharide chains are attached to the asparagine residue in the polypeptide as it enters the RER lumen through the translocon. This process is catalyzed by the enzyme oligosaccharyltransferase.

To What Residue of a Polypeptide Are N-Linked Oligosaccharide Chains