Chymotrypsin and the other members of the same protease family utilize which of the following amino acid side chains at their catalytic site?
A) alanine, serine and lysine
B) aspartic acid, alanine and glutamic acid
C) aspartic acid, serine and histidine
D) glutamic acid, alanine and histidine
E) histidine, glutamic acid and lysine

Question

Quizplus · Accepted Answer

Chymotrypsin and the other members of the serine protease family use a catalytic triad composed of aspartic acid, serine, and histidine at their catalytic site. This triad allows for the formation of a catalytic intermediate and the subsequent cleavage of peptide bonds.

Chymotrypsin and the Other Members of the Same Protease Family