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Agraduate student studies his favored enzyme. When the student mutated an arginine residue in the active site of the enzyme to lysine, the enzyme became inactive, suggesting that the arginine residue was critical to the catalytic mechanism. Which mutation is most likely to restore wild-type level of activity to the arginine mutant? O Kto R OR to K O A to M O A to D O Ato K

Agraduate student studies his favored enzyme. When the student mutated an arginine residue in the active site of the enzyme to lysine, the enzyme became inactive, suggesting that the arginine residue was critical to the catalytic mechanism. Which mutation is most likely to restore wild-type level of activity to the arginine mutant? O Kto R OR to K O A to M O A to D O Ato K

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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A graduate student studies his favored enzyme. When the student mutated an arginine residue in the active site of the enzyme to lysine, the enzyme became inactive, suggesting that the arginine residue was critical to the catalytic mechanism. Which mutation is most likely to restore wild-type level of activity to the arginine mutant? O K to R OR to K O A to M O A to D O A to K
Transcribed Image Text:A graduate student studies his favored enzyme. When the student mutated an arginine residue in the active site of the enzyme to lysine, the enzyme became inactive, suggesting that the arginine residue was critical to the catalytic mechanism. Which mutation is most likely to restore wild-type level of activity to the arginine mutant? O K to R OR to K O A to M O A to D O A to K
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