Labeling the amino acid residues in the active site of an enzyme requires
A) a reagent structurally similar to the substrate.
B) a highly polar reagent.
C) a reagent that contains an aromatic group.
D) a reagent that contains a halogen atom.

Question

Quizplus · Accepted Answer

A reagent structurally similar to the substrate is often used to label amino acid residues in the active site of an enzyme because it can specifically interact with and bind to the active site, allowing for targeted labeling.

Labeling the Amino Acid Residues in the Active Site of an Enzyme