Abstract

Abstract Molecular dynamics simulations of an aqueous solution of adenine have been performed using different methods of charge calculation to evaluate the influence of the values of the atomic charges on the dynamical results and to incorporate new information about the interaction between adenine and water. Four sets of partial charges where computed using ab-initio methods. In all cases the hydration properties of adenine were similar. These results support the view that the simulations by molecular dynamics, at least for the regime of infinite dilution, are not sensitive with respect to the different sets of partial charges used. A net hydrophobic behavior of the adenine molecule, on the water was observed.

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