Ubiquitin is added to _________ residues of the target protein by reaction with the terminal __________ group of ubiquitin.
A)lysine; carboxyl
B)serine; carboxyl
C)cysteine; carboxyl
D)glutamate; amine
E)glutamine; amine

Question

Quizplus · Accepted Answer

Ubiquitin is added to lysine residues of the target protein by reaction with the terminal carboxyl group of ubiquitin. This process is called ubiquitination or ubiquitylation, and it tags the target protein for degradation by the proteasome.

Ubiquitin Is Added to _________ Residues of the Target Protein