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. The catalytic triad of chymotrypsin and other serine proteases consists of A. three subunits of the enzyme. B. three amino acid residues close enough in space to make serine a strong nucleophile. C. three enzymes with very similar structural features. D. three amino acid residues adjacent in the primary structure which act to make serine a strong nucleophile. E. None of the above.

. The catalytic triad of chymotrypsin and other serine proteases consists of A. three subunits of the enzyme. B. three amino acid residues close enough in space to make serine a strong nucleophile. C. three enzymes with very similar structural features. D. three amino acid residues adjacent in the primary structure which act to make serine a strong nucleophile. E. None of the above.

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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### Question on Serine Proteases **The catalytic triad of chymotrypsin and other serine proteases consists of:** A. three subunits of the enzyme. B. three amino acid residues close enough in space to make serine a strong nucleophile. C. three enzymes with very similar structural features. D. three amino acid residues adjacent in the primary structure which act to make serine a strong nucleophile. E. None of the above. --- **Explanation:** The catalytic triad typically refers to three specific amino acids within the enzyme's active site that work together to facilitate catalysis. These residues are usually not adjacent in the primary structure but brought together in the proper orientation within the three-dimensional structure of the enzyme to enable catalysis.
Transcribed Image Text:### Question on Serine Proteases **The catalytic triad of chymotrypsin and other serine proteases consists of:** A. three subunits of the enzyme. B. three amino acid residues close enough in space to make serine a strong nucleophile. C. three enzymes with very similar structural features. D. three amino acid residues adjacent in the primary structure which act to make serine a strong nucleophile. E. None of the above. --- **Explanation:** The catalytic triad typically refers to three specific amino acids within the enzyme's active site that work together to facilitate catalysis. These residues are usually not adjacent in the primary structure but brought together in the proper orientation within the three-dimensional structure of the enzyme to enable catalysis.
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