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. 1977 Feb 3;474(3):349-62.
doi: 10.1016/0005-2787(77)90265-9.

Theoretical study of the hydration of B-DNA

D Perahia, M S Jhon, B Pullman

Theoretical study of the hydration of B-DNA

D Perahia et al. Biochim Biophys Acta. .

Abstract

A theoretical study of the hydration of the B-form of DNA has been carried out using empirical potential energy functions. In the first stage the hydration scheme of a model compound representing the B-DNA has been determined and the results have been shown to agree to a large extent with those of refined ab initio SCF computations. In the second stage, the stabilization energy due to the presence of water in the first hydration shell was computed by considering the hydrated helix as a supermolecule. The computations indicate appreciable stabilization. The different components contributing to the overall stabilization are determined and analysed.

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