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Proteins with a ring

J Janin1

  • 1Laboratoire de Biologie Structurale, UMR 9920 CNRS-Université Paris-Sud, Gif-sur-Yvette, France.

Structure (London, England : 1993)
|July 15, 1994
PubMed
Summary
This summary is machine-generated.

Ring-shaped proteins with central pores can function as molecular clamps. These protein structures bind to DNA, polysaccharides, or other proteins, influencing molecular interactions.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Structural Biology

Background:

  • Proteins exhibit diverse structures and sizes.
  • Specific protein folds can lead to unique functional capabilities.

Purpose of the Study:

  • To describe the function of ring-shaped proteins.
  • To highlight their potential roles as molecular clamps.

Main Methods:

  • Structural analysis of protein folding.
  • Biochemical assays to determine binding interactions.

Main Results:

  • Proteins folding into a ring with a central opening were identified.
  • These ring proteins demonstrated clamp-like activity.

Conclusions:

  • Ring-shaped proteins act as versatile molecular clamps.
  • Their function extends to binding DNA, polysaccharides, and other proteins.