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Related Concept Videos

Protein Folding01:22

Protein Folding

Overview
Protein Folding01:22

Protein Folding

Overview
Protein Folding01:25

Protein Folding

Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
Molecular Chaperones and Protein Folding03:00

Molecular Chaperones and Protein Folding

The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...
Molecular Chaperones and Protein Folding03:00

Molecular Chaperones and Protein Folding

The native conformation of a protein is formed by interactions between the side chains of its constituent amino acids. When the amino acids cannot form these interactions, the protein cannot fold by itself and needs chaperones. Notably, chaperones do not relay any additional information required for the folding of polypeptides; the native conformation of a protein is determined solely by its amino acid sequence. Chaperones catalyze protein folding without being a part of the folded protein.
The...

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Microfluidic Mixers for Studying Protein Folding
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Combining experiment and simulation in protein folding: closing the gap for small model systems.

R Dustin Schaeffer1, Alan Fersht, Valerie Daggett

  • 1Biomolecular Structure & Design Program, University of Washington, Seattle, WA 98195, USA.

Current Opinion in Structural Biology
|February 5, 2008
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Advanced computer simulations and experiments are revealing protein folding mechanisms. Bridging the gap between simulation and experimental data offers new insights into how proteins fold.

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Area of Science:

  • Biophysics
  • Computational Biology
  • Structural Biology

Background:

  • Protein folding is crucial for biological function.
  • All-atom molecular dynamics (MD) simulations are advancing our understanding.
  • Experimental techniques provide complementary data.

Purpose of the Study:

  • To investigate protein folding mechanisms.
  • To assess the synergy between MD simulations and experimental data.
  • To understand general principles of protein folding.

Main Methods:

  • Utilizing all-atom molecular dynamics (MD) simulations.
  • Integrating simulation data with experimental results.
  • Simulating small, ultrafast folding proteins on microsecond timescales.

Main Results:

  • Achieved detailed characterization of protein folding.
  • Improved accuracy in structural predictions and folding rates.
  • Demonstrated the value of bridging simulation and experiment.

Conclusions:

  • The convergence of simulation and experiment provides significant insights.
  • Understanding ultrafast folding contributes to general protein folding mechanisms.
  • Computational power is key to advancing biophysical studies.