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Protein-protein interactions: methods for detection and analysis

E M Phizicky1, S Fields

  • 1Department of Biochemistry, University of Rochester Medical School, New York 14642.

Microbiological Reviews
|March 1, 1995
PubMed
Summary
This summary is machine-generated.

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This review provides a practical guide to analyzing protein-protein interactions. It covers various biochemical, molecular, and genetic methods, alongside techniques for evaluating binding affinities.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Genetics

Background:

  • Protein function and activity are regulated by interactions with other proteins.
  • Understanding these protein-protein interactions is crucial for deciphering cellular processes.

Purpose of the Study:

  • To provide a comprehensive practical guide for analyzing protein-protein interactions.
  • To discuss various methodologies for studying these interactions and evaluating binding affinities.

Main Methods:

  • Biochemical methods: protein affinity chromatography, affinity blotting, coimmunoprecipitation, cross-linking.
  • Molecular biological methods: protein probing, two-hybrid system, phage display.
  • Genetic methods: extragenic suppressors, synthetic mutants, unlinked noncomplementing mutants.

Related Experiment Videos

  • Binding affinity evaluation: surface plasmon resonance, fluorescence methods, sedimentation, gel filtration.

    • Main Results:

    • Detailed overview of diverse techniques for studying protein-protein interactions.
    • Discussion on methods for quantifying the strength of these interactions.
    • Examination of specific protein domains involved in multiple interactions.

    Conclusions:

    • The review offers a practical framework for researchers to select and apply appropriate methods for protein-protein interaction analysis.
    • Highlights the importance of considering variations, evaluation concerns, and the pros and cons of each technique.