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Related Experiment Videos

Ten thousand interactions for the molecular biologist.

Patrick Aloy1, Robert B Russell

  • 1EMBL, Meyerhofstrasse 1, 69117 Heidelberg, Germany.

Nature Biotechnology
|October 8, 2004
PubMed
Summary

Nature utilizes a limited set of protein interaction types, estimated at around 10,000. Current knowledge covers less than 2,000, with full understanding decades away.

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Area of Science:

  • Biochemistry and Molecular Biology
  • Structural Biology
  • Bioinformatics

Background:

  • Proteins perform diverse functions through a limited repertoire of structural folds.
  • Understanding protein interactions is crucial for deciphering biological processes.

Purpose of the Study:

  • To estimate the total number of distinct protein interaction types in nature.
  • To assess the current knowledge gap in characterizing these interactions.

Main Methods:

  • Integration of protein interaction data from diverse sources.
  • Analysis of three-dimensional protein structures.
  • Computational estimation of interaction type diversity.

Main Results:

  • The total number of protein interaction types is estimated to be approximately 10,000.
  • Fewer than 2,000 interaction types are currently characterized.
  • At the current pace of structural biology, a comprehensive understanding will take over 20 years.

Conclusions:

  • Protein interaction diversity, like protein fold diversity, is finite.
  • Significant efforts are needed to expand the characterization of protein interaction types.
  • Accelerated structure determination and interaction analysis are essential for biological discovery.

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