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A simulation method of combinding boundary element method with generalized Langevin dynamics

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Chinese Science Bulletin

Abstract

A new simulation approach to incorporate hydration force into generalized Langevin dynamics (GLD) is developed in this note. The hydration force determined by the boundary element method (BEM) is taken into account as the mean force terms of solvent including Coulombic interactions with the induced surface charge and the surface pressure of solvent. The exponential model is taken for the friction kernel. A simulation study has been performed on the cyclic undecapeptide cyclosporin A (CPA). The results obtained from the new method (GLDBEM) have been analyzed and compared with that obtained from the molecular dynamics (MD) simulation and the conventional stochastic dynamics (SD) simulation. We have found that the results obtained from GLDBEM show the obvious improvement over the SD simulation technique in the study of molecular structure and dynamic properties.

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Authors and Affiliations

  1. Center for Biomedical Engineering, Beijing Polytechnic University, 100022, Beijing, China

    Weizu Chen, Benzhuo Lu & Cunxin Wang

  2. School of Life Science, University of Science and Technology of China, 230026, Hefei, China

    Benzhuo Lu

Authors
  1. Weizu Chen
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  2. Benzhuo Lu
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  3. Cunxin Wang
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Correspondence to Cunxin Wang.

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Chen, W., Lu, B. & Wang, C. A simulation method of combinding boundary element method with generalized Langevin dynamics. Chin. Sci. Bull. 45, 2227–2231 (2000). https://doi.org/10.1007/BF02886358

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  • DOI: https://doi.org/10.1007/BF02886358

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