Free energy simulations with the AMOEBA polarizable force field and metadynamics on GPU platform

© 2015 Wiley Periodicals, Inc.

Détails bibliographiques
Publié dans:Journal of computational chemistry. - 1984. - 37(2016), 6 vom: 05. März, Seite 614-22
Auteur principal: Peng, Xiangda (Auteur)
Autres auteurs: Zhang, Yuebin, Chu, Huiying, Li, Guohui
Format: Article en ligne
Langue:English
Publié: 2016
Accès à la collection:Journal of computational chemistry
Sujets:Journal Article Research Support, Non-U.S. Gov't AMOEBA polarizable force field GPU acceleration OpenMM PLUMED alanine dipeptide free energy simulations metadynamics water simulation plus... Dipeptides Water 059QF0KO0R alanylalanine 2867-20-1
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520 |a The free energy calculation library PLUMED has been incorporated into the OpenMM simulation toolkit, with the purpose to perform enhanced sampling MD simulations using the AMOEBA polarizable force field on GPU platform. Two examples, (I) the free energy profile of water pair separation (II) alanine dipeptide dihedral angle free energy surface in explicit solvent, are provided here to demonstrate the accuracy and efficiency of our implementation. The converged free energy profiles could be obtained within an affordable MD simulation time when the AMOEBA polarizable force field is employed. Moreover, the free energy surfaces estimated using the AMOEBA polarizable force field are in agreement with those calculated from experimental data and ab initio methods. Hence, the implementation in this work is reliable and would be utilized to study more complicated biological phenomena in both an accurate and efficient way. © 2015 Wiley Periodicals, Inc 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a AMOEBA polarizable force field 
650 4 |a GPU acceleration 
650 4 |a OpenMM 
650 4 |a PLUMED 
650 4 |a alanine dipeptide 
650 4 |a free energy simulations 
650 4 |a metadynamics 
650 4 |a water simulation 
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650 7 |a alanylalanine  |2 NLM 
650 7 |a 2867-20-1  |2 NLM 
700 1 |a Zhang, Yuebin  |e verfasserin  |4 aut 
700 1 |a Chu, Huiying  |e verfasserin  |4 aut 
700 1 |a Li, Guohui  |e verfasserin  |4 aut 
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