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Related Concept Videos

Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Tagging and Fusion Proteins01:24

Tagging and Fusion Proteins

Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
Protein Networks02:26

Protein Networks

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.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein-protein Interfaces02:04

Protein-protein Interfaces

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 polypeptide...

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Related Experiment Video

Updated: Jun 8, 2026

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
10:37

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

Interactive proteomics research technologies: recent applications and advances.

Julia Petschnigg1, Jamie Snider, Igor Stagljar

  • 1Department of Biochemistry & Department of Molecular Genetics, Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario, Canada.

Current Opinion in Biotechnology
|October 2, 2010
PubMed
Summary
This summary is machine-generated.

Understanding protein-protein interactions is key to molecular biology and disease research. This study reviews the latest technologies for mapping these crucial protein complexes, known as interactomes.

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Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples
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Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

Published on: November 13, 2021

Related Experiment Videos

Last Updated: Jun 8, 2026

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
10:37

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples
14:51

Comprehensive Workflow of Mass Spectrometry-based Shotgun Proteomics of Tissue Samples

Published on: November 13, 2021

Area of Science:

  • Molecular Biology
  • Proteomics
  • Systems Biology

Background:

  • Proteins function within multiprotein complexes, essential for all biological processes.
  • Investigating protein-protein interactions (PPIs) and interactomes is vital for understanding molecular mechanisms and diseases.
  • Dissecting protein complexes aids in defining molecular functions and identifying drug targets.

Purpose of the Study:

  • To provide an overview of recent advancements in interactive proteomics research technologies.
  • To highlight the applications of these technologies in generating large-scale interaction datasets.
  • To emphasize the importance of studying protein complexes for biological insights.

Main Methods:

  • Review of current protein-protein interaction detection methods.
  • Focus on technologies adapted for large-scale interactome mapping.
  • Discussion of recent progress in interactive proteomics.

Main Results:

  • Significant progress has been made in adapting proteomics tools for large-scale interaction datasets.
  • Various methods are available for unraveling protein interaction networks.
  • Interactive proteomics technologies are rapidly evolving.

Conclusions:

  • Interactive proteomics is crucial for deciphering protein complex functions.
  • Advances in technology enable comprehensive interactome mapping.
  • Understanding protein interactions is fundamental for molecular biology and disease mechanism elucidation.