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  • Title: Binding free energy calculations of adenosine deaminase inhibitors.
    Author: Coi A, Tonelli M, Ganadu ML, Bianucci AM.
    Journal: Bioorg Med Chem; 2006 Apr 15; 14(8):2636-41. PubMed ID: 16376548.
    Abstract:
    The interactions between four inhibitors and adenosine deaminase (ADA) were examined by calculating their binding free energies after molecular dynamics simulations. A bonded model was used to represent the electrostatic potentials of the zinc coordination site. The charge distribution of the model was derived by using a two-stage electrostatic potential fitting calculations. The calculated binding free energies are in good agreement with the experimental data and the ranking of binding affinities is well reproduced. Notably, our findings suggest that non-polar contributions play an important role for ADA-inhibitor interactions.
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