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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25784
|2 doi
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|a pubmed24n0979.xml
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|a (DE-627)NLM29388448X
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|a (NLM)30762879
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Wang, Xiaohui
|e verfasserin
|4 aut
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| 245 |
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|a BAR-based optimum adaptive steered MD for configurational sampling
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 15.05.2020
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|a Date Revised 15.05.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 Wiley Periodicals, Inc.
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|a The equilibrium and nonequilibrium adaptive alchemical free energy simulation methods optimum Bennett's acceptance ratio and optimum crooks' equation (OCE), based on the statistically optimal bidirectional reweighting estimator named Bennett's Acceptance Ratio or Crooks' equation, perform initial sampling in the staging alchemical transformation and then determine the importance rank of different states via the time-derivative of the variance. The method is proven to give speedups compared with the equal time rule. In the current work, we extend the time derivative of variance guided adaptive sampling method to the configurational space, falling in the term of steered MD (SMD). The SMD approach biasing physically meaningful collective variable (CV) such as one dihedral or one distance to pulling the system from one conformational state to another. By minimizing the variance of the free energy differences along the pathway in an optimized way, a new type of adaptive SMD (ASMD) is introduced. As exhibits in the alchemical case, this adaptive sampling method outperforms the traditional equal-time SMD in nonequilibrium stratification. Also, the method gives much more efficient calculation of potential of mean force than the selection criterion-based ASMD scheme, which is proven to be more efficient than traditional SMD. The OCE workflow is periodicity-of-CV dependent while ASMD is not. The performance is demonstrated in a dihedral flipping case and two distance pulling cases, accounting for periodic and nonperiodic CVs, respectively. © 2019 Wiley Periodicals, Inc
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Deca-alanine
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| 650 |
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4 |
|a adaptive sampling
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| 650 |
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4 |
|a adaptive steered molecular dynamics
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| 650 |
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4 |
|a bidirectional reweighting
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| 650 |
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4 |
|a dihedral flipping
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| 650 |
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4 |
|a free energy profile
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| 650 |
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4 |
|a free energy simulation
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| 650 |
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|a nonequilibrium thermodynamics
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| 650 |
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|a statistically optimal
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| 650 |
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4 |
|a steered molecular dynamics
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| 700 |
1 |
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|a Tu, Xingzhao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deng, Boming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, John Z H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Zhaoxi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 40(2019), 12 vom: 05. Mai, Seite 1270-1289
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
1 |
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|g volume:40
|g year:2019
|g number:12
|g day:05
|g month:05
|g pages:1270-1289
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| 856 |
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|u http://dx.doi.org/10.1002/jcc.25784
|3 Volltext
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