Which of the following is observed in the mechanism of citrate synthase?
A) a histidine residue acts as a base, deprotonating oxaloacetate
B) an aspartic acid residue acts as a base, deprotonating oxaloacetate
C) a histidine residue hydrogen bonds with the carbonyl oxygen of oxaloacetate to enable a nucleophilic attack
D) removal of the CoA is accomplished by transfer to a serine residue, then hydrolysis
E) all of the above
Correct Answer:
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Q1: What amino acid is covalently linked to
Q2: What makes the reaction catalyzed by citrate
Q3: Which of the following explains the proper
Q5: Which of the following describes the isomerization
Q6: During the oxidation of isocitrate, the
Q7: Which of the following is an enzyme-associated
Q8: If acetyl-CoA labeled on the methyl carbon
Q9: If all reduced electron carriers are reoxidized
Q10: Which of the following can be converted
Q11: What citric acid cycle intermediate is effectively
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