system
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? (NOT RELATED)
assistant
The correct answer is  Zinc is required for the activity of > 300 enzymes, covering all six classes of enzymes. alcohol dehydrogenase; superoxide dismutase; transferases like RNA polymerase and aspaate transcarbamoylase; hydrolases like carboxypeptidase A and thermolysin; lyases like carbonic anhydrase and fructose-1,6-bisphosphate aldolase; isomerases like phosphomannose isomerase; and ligases like pyruvate carboxylase and aminoacyl-tRNA synthases