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Related Experiment Videos

Revisiting the Anfinsen cage

R J Ellis1

  • 1Department of Biological Sciences, University of Warwick, Coventry, UK. je@dna.bio.warwick.ac.uk

Folding & Design
|January 1, 1996
PubMed
Summary
This summary is machine-generated.

Chaperonin ATPases facilitate protein folding within cells, preventing unproductive interactions. This review explores the Anfinsen cage model for efficient protein folding in crowded cellular environments.

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Area of Science:

  • Molecular biology
  • Biochemistry
  • Cell biology

Background:

  • Recent experiments with chaperonins have shifted understanding of intracellular protein folding.
  • Protein folding is now viewed as a process involving chaperones, not solely spontaneous.

Purpose of the Study:

  • To review a specific model of chaperonin function.
  • To provide historical context for current ideas on protein folding.

Main Methods:

  • Review of experimental findings on chaperonins.
  • Historical analysis of protein folding models.

Main Results:

  • Chaperonin ATPases transiently interact with proteins to enhance correct folding.
  • Cellular crowding necessitates chaperones for efficient folding.

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Conclusions:

  • Proteins fold within cellular 'Anfinsen cages' formed by chaperonins.
  • These cages act as sequestration devices, preventing and reversing unproductive interactions.