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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...
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...
Protein Organization01:24

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
Protein Organization01:13

Protein Organization

Overview

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Related Experiment Video

Updated: Jun 13, 2026

Label-Free Immunoprecipitation Mass Spectrometry Workflow for Large-scale Nuclear Interactome Profiling
11:19

Label-Free Immunoprecipitation Mass Spectrometry Workflow for Large-scale Nuclear Interactome Profiling

Published on: November 17, 2019

Using the clustered circular layout as an informative method for visualizing protein-protein interaction networks.

David C Y Fung1, Marc R Wilkins, David Hart

  • 1School of Information Technologies, The University of Sydney, New South Wales, Australia. dcyfung@unsw.edu.au

Proteomics
|May 19, 2010
PubMed
Summary

This study introduces a clustered circular layout for visualizing protein-protein interaction networks, offering improved reproducibility and integrated biological data compared to traditional force-directed layouts.

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JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
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JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

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Last Updated: Jun 13, 2026

Label-Free Immunoprecipitation Mass Spectrometry Workflow for Large-scale Nuclear Interactome Profiling
11:19

Label-Free Immunoprecipitation Mass Spectrometry Workflow for Large-scale Nuclear Interactome Profiling

Published on: November 17, 2019

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
07:28

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

Area of Science:

  • Bioinformatics
  • Computational Biology
  • Systems Biology

Background:

  • Force-directed layouts are standard for protein-protein interaction (PPI) network visualization.
  • These layouts offer a visual overview of protein complexes but have limitations in reproducibility and data integration.
  • Existing methods struggle to consistently represent network structures and incorporate complementary biological information.

Purpose of the Study:

  • To introduce and evaluate an alternative network visualization method, the clustered circular layout.
  • To address the limitations of force-directed layouts in PPI network analysis.
  • To compare the efficacy of clustered circular versus force-directed layouts for visual analysis.

Main Methods:

  • Developed a novel clustered circular layout algorithm for network visualization.
  • Utilized the human DNA replication PPI network as a case study.
  • Compared the visual analysis capabilities of the clustered circular layout against the force-directed layout.

Main Results:

  • The clustered circular layout demonstrates superior reproducibility compared to force-directed layouts.
  • This new layout facilitates the explicit display of complementary biological information, such as Gene Ontology terms.
  • Visual analysis of the human DNA replication network was enhanced using the clustered circular layout.

Conclusions:

  • The clustered circular layout offers a more robust and informative approach to PPI network visualization.
  • This method enhances visual analysis by improving reproducibility and integrating biological data.
  • The clustered circular layout presents a valuable alternative for systems biology research.