deoxythymidine triphosphate

When a cell prepares to divide, a complete new set-up of DNA is required, and the requirement for building blocks, including deoxythymidine triphosphate, increases.

Deoxythymidine triphosphate (dTTP) is one of the four nucleoside triphosphates that are used in the in vivo synthesis of DNA.

Deoxythymidine monophosphate, the product of the reaction catalysed by thymidine kinase, is in turn phosphorylated to deoxythymidine diphosphate by the enzyme thymidylate kinase and further to deoxythymidine triphosphate by the enzyme nucleoside diphosphate kinase.