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Related Experiment Videos

GENFOLD: a genetic algorithm for folding protein structures using NMR restraints

M J Bayley1, G Jones, P Willett

  • 1Department of Information Studies, Krebs Institute for Biomolecular Research, University of Sheffield, Western Bank, United Kingdom.

Protein Science : a Publication of the Protein Society
|April 1, 1998
PubMed
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We developed GENFOLD, a genetic algorithm for protein structure calculation using NMR restraints. It accurately predicts structures for various proteins and can be extended to larger molecules.

Area of Science:

  • Computational Biology
  • Structural Biology
  • Biophysics

Background:

  • Protein structure determination is crucial for understanding biological function.
  • Nuclear Magnetic Resonance (NMR) spectroscopy provides valuable restraints for structure calculation.
  • Existing methods have limitations in handling diverse or sparse restraint data.

Purpose of the Study:

  • To develop and validate GENFOLD, a novel genetic algorithm for protein structure prediction.
  • To assess GENFOLD's performance using various NMR-derived restraints.
  • To evaluate GENFOLD's applicability to different protein types and sizes.

Main Methods:

  • Utilized a genetic algorithm (GENFOLD) to calculate protein structures.
  • Employed restraints from Nuclear Overhauser Effects (NOE) distances and coupling constant-derived dihedral angles.

Related Experiment Videos

  • Tested GENFOLD on POU domain, BPTI, and a starch-binding domain, using both published and artificial restraints.

    • Main Results:

    • GENFOLD successfully calculated accurate protein structures for all tested proteins.
    • Calculated structures were refined to high resolution using simulated annealing.
    • GENFOLD demonstrated comparable effectiveness to distance geometry and simulated annealing methods.

    Conclusions:

    • GENFOLD is an effective tool for protein structure calculation using NMR restraints.
    • The program's flexibility allows for adaptation to various proteins, including large ones with limited restraints.
    • GENFOLD offers a robust alternative for structural biology research.