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Related Concept Videos

Immunoprecipitation01:20

Immunoprecipitation

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Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...
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Protein Networks02:26

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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Protein-protein Interfaces02:04

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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Chromatin Immunoprecipitation- ChIP02:36

Chromatin Immunoprecipitation- ChIP

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Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or histone proteins. It also helps determine the type of histone modifications such as acetylation, phosphorylation, or methylation.
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Related Experiment Video

Updated: Mar 5, 2026

Author Spotlight: Unraveling the Molecular Mechanisms of Brown and Beige Adipocyte Regulation
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Co-immunoprecipitation for Deciphering Protein Interactomes.

Bradley J Smith1, Juliana S Cassoli1, Paul C Guest1

  • 1Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Monteiro Lobato, 255, 13083-862, Campinas, SP, Brazil.

Advances in Experimental Medicine and Biology
|March 30, 2017
PubMed
Summary
This summary is machine-generated.

Discovering protein interactions is crucial for understanding cellular functions. This study outlines a co-immunoprecipitation protocol to identify a protein

Keywords:
Co-immunoprecipitationImmunoaffinity purificationInteractomeProtein-protein interactionsShotgun proteomics

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Area of Science:

  • Proteomics
  • Molecular Biology
  • Biochemistry

Background:

  • Proteins interact with multiple partners, influencing cellular processes.
  • In vivo systems present challenges for non-targeted protein interaction assays.
  • Discovery proteomics is essential for identifying novel protein interactors.

Purpose of the Study:

  • To describe a protocol for creating a protein interactome.
  • To focus on identifying interactors of a single protein target.

Main Methods:

  • Co-immunoprecipitation (Co-IP) technique.
  • Biological steps for targeted interactome analysis.

Main Results:

  • Protocol enables focused identification of protein interactors.
  • Facilitates subsequent targeted studies on protein function.

Conclusions:

  • Co-immunoprecipitation is a key method for interactome discovery.
  • This protocol aids in understanding protein function through interaction mapping.