Solvation thermodynamics of biopolymers. II. Correlations between functional groups

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Abstract
The extent of correlations between functional groups that can form hydrogen bonds with solvent molecules has been estimated. From the observed distance distribution of functional groups on the surfaces of several proteins, and from the extent of correlation between pairs of such functional grups, we conclude that the assumption of independence of functional groups made in part I is probably a good approximation. The reason is that even when correlations exist there is, on average, cancellation of the positive and negative correlations. The relevance of hydrogen bonding with the solvent to the relative stability of different conformers of biopolymers is also indicated.

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