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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.23964
|2 doi
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|a pubmed24n0833.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Miao, Yinglong
|e verfasserin
|4 aut
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| 245 |
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|a Accelerated molecular dynamics simulations of protein folding
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|c 2015
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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
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|a Date Completed 04.04.2016
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|a Date Revised 29.01.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2015 Wiley Periodicals, Inc.
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|a Folding of four fast-folding proteins, including chignolin, Trp-cage, villin headpiece and WW domain, was simulated via accelerated molecular dynamics (aMD). In comparison with hundred-of-microsecond timescale conventional molecular dynamics (cMD) simulations performed on the Anton supercomputer, aMD captured complete folding of the four proteins in significantly shorter simulation time. The folded protein conformations were found within 0.2-2.1 Å of the native NMR or X-ray crystal structures. Free energy profiles calculated through improved reweighting of the aMD simulations using cumulant expansion to the second-order are in good agreement with those obtained from cMD simulations. This allows us to identify distinct conformational states (e.g., unfolded and intermediate) other than the native structure and the protein folding energy barriers. Detailed analysis of protein secondary structures and local key residue interactions provided important insights into the protein folding pathways. Furthermore, the selections of force fields and aMD simulation parameters are discussed in detail. Our work shows usefulness and accuracy of aMD in studying protein folding, providing basic references in using aMD in future protein-folding studies
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a accelerated molecular dynamics
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|a enhanced sampling
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|a free energy
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| 650 |
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|a protein folding
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| 650 |
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|a reweighting
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| 650 |
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|a Proteins
|2 NLM
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| 700 |
1 |
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|a Feixas, Ferran
|e verfasserin
|4 aut
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1 |
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|a Eun, Changsun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a McCammon, J Andrew
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 36(2015), 20 vom: 30. Juli, Seite 1536-49
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
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|g volume:36
|g year:2015
|g number:20
|g day:30
|g month:07
|g pages:1536-49
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|u http://dx.doi.org/10.1002/jcc.23964
|3 Volltext
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