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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Fan, Hao Zhu, Jiang Mark, Alan E. Honig, Barry |
| Description | Author Affiliation: Fan H ( Groningen Biomolecular Sciences and Biotechnology Institute, Department of Biophysical Chemistry, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands.); |
| Abstract | In this work, we compare the results of molecular dynamics simulations involving the application of three generalized Born (GB) models to 10 different proteins. The three GB models, the Still, HCT, and modified analytical generalized Born models, were implemented in the computationally efficient gromacs package. The performance of each model was assessed from the backbone rms deviation from the native structure, the number of native hydrogen bonds retained in the simulation, and the experimental and calculated radius of gyration. Analysis of variance (ANOVA) was used to analyze the results of the simulations. The rms deviation measure was found to be unable to distinguish the quality of the results obtained with the three different GB models, whereas the number of native hydrogen bonds and radius of gyration yielded a statistically meaningful discrimination among models. Our results suggest that, of the three, modified analytical generalized Born yields the best agreement between calculated and experimentally derived structures. More generally, our study highlights the need both to evaluate the effects of different variables on the results of simulations and to verify that the results of molecular dynamics simulations are statistically meaningful. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 19 |
| Volume Number | 102 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2005-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Proteins Chemistry Analysis Of Variance Animals Bacterial Proteins Computer Simulation Crystallography, X-Ray Databases, Protein Hydrogen Bonding Macromolecular Substances Magnetic Resonance Spectroscopy Models, Molecular Models, Theoretical Protein Conformation Protein Folding Protein Structure, Secondary Thermodynamics Viral Proteins Research Support, N.I.H., Extramural Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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