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A Protocol for Computer-Based Protein Structure and Function Prediction
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ALMOST: an all atom molecular simulation toolkit for protein structure determination.

Biao Fu1, Aleksandr B Sahakyan, Carlo Camilloni

  • 1Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, United Kingdom.

Journal of Computational Chemistry
|March 29, 2014
PubMed
Summary
This summary is machine-generated.

Almost is a new open-source toolkit for molecular simulation, aiding in protein and nucleic acid structure determination and analysis. It integrates experimental data for enhanced accuracy in computational biology.

Keywords:
CHESHIREMolecular simulationsNMR spectroscopychemical shiftsmolecular dynamicsresidual dipolar couplings

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Area of Science:

  • Computational Biology
  • Structural Biology
  • Biophysics

Background:

  • Complex molecular systems like proteins and nucleic acids require advanced computational tools for structure determination and analysis.
  • Existing methods may lack comprehensive integration of experimental data for conformational restraints.

Purpose of the Study:

  • Introduce the first public release of the All-atom Molecular Simulation Toolkit (Almost).
  • Provide a robust computational package for determining and analyzing complex molecular structures.
  • Facilitate the integration of diverse experimental measurements into molecular simulations.

Main Methods:

  • Utilizes experimental measurements such as nuclear Overhauser effect (NOE) for distance restraints.
  • Incorporates residual dipolar couplings (RDCs) for orientational restraints.
  • Employs chemical shifts for additional structural restraints in molecular modeling.

Main Results:

  • Presents the key aspects of Almost's computational design and implemented features.
  • Demonstrates the toolkit's capability in structure determination using integrated experimental data.
  • Highlights the analysis and assessment of structural and dynamical properties.

Conclusions:

  • Almost offers a powerful, open-source solution for molecular structure determination and analysis.
  • The toolkit effectively integrates various experimental restraints for enhanced accuracy.
  • Almost is freely available for Unix-based systems, promoting accessibility in research.