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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following enzymes does not contain Zn
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The correct answer is  Zinc is required for the activity of > 300 enzymes, covering all six classes of enzymes.Alcohol dehydrogenaseSuperoxide dismutaseTransferases like RNA polymerase and Aspaate transcarbamoylaseHydrolases like carboxypeptidase A and thermolysinLyases like Carbonic anhydrase and Fructose-1,6-bisphosphate aldolaseIsomerases like phosphomannose isomerase and Ligases like pyruvate carboxylase and aminoacyl-tRNA synthasesRef: Harper&;s Biochemistry; 30th edition