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| Hauptseite > Publikationsdatenbank > Allosteric Communication Networks in Proteins Revealed through Pocket Crosstalk Analysis |
| Hauptseite > Publikationsdatenbank > Allosteric Communication Networks in Proteins Revealed through Pocket Crosstalk Analysis |
| Journal Article | FZJ-2017-08383 |
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2017
ACS Publ.
Washington, DC
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Please use a persistent id in citations: http://hdl.handle.net/2128/16226 doi:10.1021/acscentsci.7b00211
Abstract: The detection and characterization of binding pockets and allosteric communication in proteins is crucial for studying biological regulation and performing drug design. Nowadays, ever-longer molecular dynamics (MD) simulations are routinely used to investigate the spatiotemporal evolution of proteins. Yet, there is no computational tool that can automatically detect all the pockets and potential allosteric communication networks along these extended MD simulations. Here, we use a novel and fully automated algorithm that examines pocket formation, dynamics, and allosteric communication embedded in microsecond-long MD simulations of three pharmaceutically relevant proteins, namely, PNP, A2A, and Abl kinase. This dynamic analysis uses pocket crosstalk, defined as the temporal exchange of atoms between adjacent pockets, along the MD trajectories as a fingerprint of hidden allosteric communication networks. Importantly, this study indicates that dynamic pocket crosstalk analysis provides new mechanistic understandings on allosteric communication networks, enriching the available experimental data. Thus, our results suggest the prospective use of this unprecedented dynamic analysis to characterize transient binding pockets for structure-based drug design
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