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A multipole-based water potential with implicit polarization for biomolecular simulations
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Walsh, Tiffany R. and Liang, Taining (2009) A multipole-based water potential with implicit polarization for biomolecular simulations. Journal of Computational Chemistry, Vol.30 (No.6). pp. 893-899. doi:10.1002/jcc.21111 ISSN 0192-8651.
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Official URL: http://dx.doi.org/10.1002/jcc.21111
Abstract
A new water potential, DMIP (distributed multipoles, implicit. polarization), is Constructed using distributed multipoles to describe the electrostatic interactions, while accounting for polarization implicitly. In this procedure, small clusters are randomly sampled from atomistic simulations of bulk water using the AMOEBA (Ren and Ponder, J Comput Chem 2002, 23, 1497) potential. The multipole moments of the central water in each cluster are obtained from ab initio densities for each cluster, and the moments are then averaged over all Clusters. Properties of bulk water calculated using DMIP compare favorably with existing data from AMOEBA simulations and experiment, with a conservative estimate of reduction in compute time of roughly 40%. The implicit force-field is also shown to work compatibly with existing polarizable multipole-based force-fields for biomolecules. (C) 2008 Wiley Periodicals, Inc. J Comput Chem 30: 893-899, 2009
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry Q Science > QP Physiology |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Biomolecules, Solvation, Water, Polarization (Electricity) | ||||
Journal or Publication Title: | Journal of Computational Chemistry | ||||
Publisher: | John Wiley & Sons, Inc. | ||||
ISSN: | 0192-8651 | ||||
Official Date: | 30 April 2009 | ||||
Dates: |
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Volume: | Vol.30 | ||||
Number: | No.6 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 893-899 | ||||
DOI: | 10.1002/jcc.21111 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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