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1. The enzyme you are studying uses the substrate pictured at right. An inhibitor box in the freezer contains two tubes labeled Inhibitor #1 and Inhibitor #2, along with the structures of the compounds contained within them and their respective Ki. Which one is more likely to be the non-competitive inhibitor? Inhibitor #1 K₁ = 10 μM m OH CH₂OH OH OH Inhibitor #2 K₁ = 50 μM m Briefly Justify: OH CH₂OH OH -O. OH ОН Substrate

1. The enzyme you are studying uses the substrate pictured at right. An inhibitor box in the freezer contains two tubes labeled Inhibitor #1 and Inhibitor #2, along with the structures of the compounds contained within them and their respective Ki. Which one is more likely to be the non-competitive inhibitor? Inhibitor #1 K₁ = 10 μM m OH CH₂OH OH OH Inhibitor #2 K₁ = 50 μM m Briefly Justify: OH CH₂OH OH -O. OH ОН Substrate

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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1. The enzyme you are studying uses the substrate pictured at right. An inhibitor box in the freezer contains two tubes labeled Inhibitor #1 and Inhibitor #2, along with the structures of the compounds contained within them and their respective Ki. Which one is more likely to be the non-competitive inhibitor? Inhibitor #1 K₁ = 10 μM m CH₂OH OH -0, $ OH OH Inhibitor #2 K₁ = 50 μM Briefly Justify: OH CH₂OH OH OH OH Substrate
Transcribed Image Text:1. The enzyme you are studying uses the substrate pictured at right. An inhibitor box in the freezer contains two tubes labeled Inhibitor #1 and Inhibitor #2, along with the structures of the compounds contained within them and their respective Ki. Which one is more likely to be the non-competitive inhibitor? Inhibitor #1 K₁ = 10 μM m CH₂OH OH -0, $ OH OH Inhibitor #2 K₁ = 50 μM Briefly Justify: OH CH₂OH OH OH OH Substrate
Expert Solution
Enzyme Inhibition

Enzyme inhibition is when a inhibitor bind to the enzyme at the active site or another site, which results in either decrease in enzyme's catalytic activity or enzyme's catalytic activity coming to a complete halt. 

Enzyme inhibition can be reversible or irreversible. 

Reversible inhibition is when the inhibitor binds reversibly to the enzyme. It can be competitive, un-competative or non-competative. 

Irreversible inhibition is when inhibitor binds covalently to the enzyme and ends enzyme catalysis. 

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