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Related Concept Videos

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 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...
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...
DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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Related Experiment Video

Updated: Jun 21, 2026

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions
08:07

Probing High-density Functional Protein Microarrays to Detect Protein-protein Interactions

Published on: August 2, 2015

Profiling protein interaction networks with functional protein microarrays.

Dawn R Mattoon1, Barry Schweitzer

  • 1Invitrogen Corporation, Protein Array Center, Branford, CT, USA.

Methods in Molecular Biology (Clifton, N.J.)
|July 15, 2009
PubMed
Summary
This summary is machine-generated.

Proteins are vital for life, with their interactions forming the basis of cellular processes. Protein microarrays are powerful tools for studying these interactions, aiding drug discovery and systems biology research.

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Area of Science:

  • Biochemistry and Molecular Biology
  • Proteomics
  • Systems Biology

Background:

  • Proteins are fundamental to biological systems, performing essential cellular functions.
  • Post-translational modifications and protein-protein interactions (PPIs) add complexity and regulate cellular processes.
  • PPIs are crucial for life and represent key targets for therapeutic interventions.

Purpose of the Study:

  • To highlight the significance of protein-protein interactions in biological systems.
  • To introduce protein microarrays as a key technology for identifying and characterizing PPIs.
  • To emphasize the role of PPIs in drug discovery and systems biology.

Main Methods:

  • Utilizing protein microarrays for high-throughput identification and characterization of protein interactions.
  • Employing multiplex assays to rapidly develop binding profiles between numerous proteins.
  • Leveraging scalable and sensitive assays for proteomic research.

Main Results:

  • Protein microarrays enable rapid development of binding profiles for thousands of proteins.
  • These assays provide reproducible and sensitive data on protein interactions.
  • The technology facilitates the study of complex protein networks.

Conclusions:

  • Protein-protein interactions are central to cellular function and are important drug targets.
  • Protein microarrays are an enabling technology for proteomic research and systems biology.
  • Modulation of PPIs represents a promising therapeutic strategy.