The α-thio and/or β-γ-hypophosphate analogs of ATP as cofactors of T4 DNA ligase
Copyright policy )The α-thio and/or β-γ-hypophosphate analogs of ATP as cofactors of T4 DNA ligase
T4 DNA ligase is one of the most commonly used enzymes for in vitro molecular research and a useful model for testing the ligation mechanism of ATP-dependent DNA ligation. To better understand the influence of phosphate group modifications in the ligation process, a series of ATP analogs were tested as cofactors. P-diastereomers of newly developed β,γ-hypo-ATPαS (thio) and β,γ-hypo-ATP (oxo) were synthesized and their activity was compared to ATPαS and their natural precursors. The evaluation of presented ATP analogs revealed the importance of the α-phosphate stereogenic center in ATPαS for the T4 DNA ligase activity and sheds new light on the interaction between ATP-dependent DNA ligases and cofactors.
Adenosine Triphosphate, DNA Ligases, Molecular Structure, Sulfhydryl Compounds, Phosphates
Adenosine Triphosphate, DNA Ligases, Molecular Structure, Sulfhydryl Compounds, Phosphates
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