The critical serine residue in the active site of chymotrypsin functions as
A) a nucleophile.
B) an electrophile.
C) a base.
D) a methyl donor.

Name: The critical serine residue in the active site of chymotrypsin functions as A) a nucleophile. B) an electrophile. C) a base. D) a methyl donor.
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Question

Quizplus · Accepted Answer

The critical serine residue in the active site of chymotrypsin functions as a nucleophile. It attacks the peptide bond of the substrate, initiating the hydrolysis reaction.

The Critical Serine Residue in the Active Site of Chymotrypsin