Daiva Tauraitė, Rytis Ražanas, Algirdas Mikalkėnas, S. Serva, R. Meškys
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Synthesis of Pyridone-based Nucleoside Analogues as Substrates or Inhibitors of DNA Polymerases
ABSTRACT The synthesis and characterization of novel acyclic and cyclic pyridone-based nucleosides and nucleotides is described. In total, seven nucleosides and four nucleotides were synthesized. None of the tested nucleosides showed inhibitory properties against Klenow exo- polymerase and M.MuLV and HIV-1 reverse transcriptases. The nucleotides containing 4-chloro- and 4-bromo-2-pyridone as a nucleobase were accepted by the Klenow fragment, but at the expense of fidelity and extension efficiency.
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