Exam questionKROK 1Medicine ยท 2006
A 42-year-old man suffering from gout has increased level of urinary acid in blood. Allopurinol was prescribed to decrease the level of urinary acid. Competitive inhibitor of what enzyme is allopurinol?
Answer options
- Adenosine deaminase
- Hypoxanthine phosphoribosi-ltransferase
- Xanthine oxidase
- Adenine phosphoribosiltransferase
- Guanine deaminase
Correct answer
Xanthine oxidase
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