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For Research Use Only. Not For Clinical Use.


TK, or Thymidine kinase, is an enzyme involved in the pyrimidine salvage pathway. It catalyzes the phosphorylation of thymidine to thymidine monophosphate (TMP), using ATP. TK is crucial for recycling thymidine for DNA synthesis and is often used as a selectable marker in genetic engineering. It is also a target for antiviral drugs.
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