Which of the following statements regarding the catalytic mechanism of superoxide dismutase is true? The D residue does not participate in acid-base catalysis during the course of the catalyzed reaction All of the answers are true The coordinated Zn²+ participates in stabilizing Cu²+ in the reduction-oxidation reactions to consume O₂ The Cu²+ coenzyme is coordinated by H residues, positioning it precisely for consumption of 0₂ The overall reaction consumes two equivalents of O₂ and two proton equivalents in order to produces one equivalent H₂O2
Which of the following statements regarding the catalytic mechanism of superoxide dismutase is true? The D residue does not participate in acid-base catalysis during the course of the catalyzed reaction All of the answers are true The coordinated Zn²+ participates in stabilizing Cu²+ in the reduction-oxidation reactions to consume O₂ The Cu²+ coenzyme is coordinated by H residues, positioning it precisely for consumption of 0₂ The overall reaction consumes two equivalents of O₂ and two proton equivalents in order to produces one equivalent H₂O2
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter20: Electron Transport And Oxidative Phosphorylation
Section: Chapter Questions
Problem 11P
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Question
![Which of the following statements regarding the catalytic mechanism of superoxide dismutase is
true?
The D residue does not participate in acid-base catalysis during the course of the catalyzed
reaction
All of the answers are true
The coordinated Zn2+ participates in stabilizing Cu²+ in the reduction-oxidation reactions to
consume O₂
The Cu²+ coenzyme is coordinated by H residues, positioning it precisely for consumption of
0₂
The overall reaction consumes two equivalents of O₂ and two proton equivalents in order to
produces one equivalent H₂O2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe48f5f36-4844-484b-9d30-27dc6c678b4b%2F9b53695b-68b3-45aa-851c-4d127d0f8823%2F07eq22m_processed.png&w=3840&q=75)
Transcribed Image Text:Which of the following statements regarding the catalytic mechanism of superoxide dismutase is
true?
The D residue does not participate in acid-base catalysis during the course of the catalyzed
reaction
All of the answers are true
The coordinated Zn2+ participates in stabilizing Cu²+ in the reduction-oxidation reactions to
consume O₂
The Cu²+ coenzyme is coordinated by H residues, positioning it precisely for consumption of
0₂
The overall reaction consumes two equivalents of O₂ and two proton equivalents in order to
produces one equivalent H₂O2
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