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- Title
Alpha7 nicotinic acetylcholine receptor agonists: Prediction of their binding affinity through a molecular mechanics Poisson–Boltzmann surface area approach.
- Authors
Grazioso, Giovanni; Cavalli, Andrea; De Amici, Marco; Recanatini, Maurizio; De Micheli, Carlo
- Abstract
A group of agonists for the α7 neuronal nicotinic acetylcholine receptors (nAChRs) was investigated, and their free energies of binding ΔGbind were calculated by applying the molecular mechanics Poisson–Boltzmann surface area (MM-PBSA) approach. This method, based on molecular dynamics simulations of fully solvated protein–ligand complexes, allowed us to estimate the contribution of both polar and nonpolar terms as well as the entropy to the overall free energy of binding. The calculated results were in a good agreement with the experimentally determined ΔGbind values, thereby pointing to the MM-PBSA protocol as a valuable computational tool for the rational design of specific agents targeting the neuronal α7 nAChR subtypes. © 2008 Wiley Periodicals, Inc. J Comput Chem 2008
- Subjects
CHEMICAL agonists; NICOTINIC receptors; CHOLINERGIC receptors; LIGANDS (Chemistry); NEURONS
- Publication
Journal of Computational Chemistry, 2008, Vol 29, Issue 15, p2593
- ISSN
0192-8651
- Publication type
Article
- DOI
10.1002/jcc.21019