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Related Concept Videos

Protein Networks02:26

Protein Networks

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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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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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Protein Organization01:24

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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.
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Genome-wide Protein-protein Interaction Screening by Protein-fragment Complementation Assay PCA in Living Cells
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3DProIN: Protein-Protein Interaction Networks and Structure Visualization.

Hui Li1, Chunmei Liu1

  • 1Department of Systems and Computer Science, Howard University, Washington, DC 20059, USA.

American Journal of Bioinformatics and Computational Biology
|February 10, 2015
PubMed
Summary
This summary is machine-generated.

3DProIN is a new computational tool for visualizing protein-protein interaction networks in 2D and 3D. This tool models interactions as graphs, allowing exploration of protein structures and network features.

Keywords:
Graph visualizationProtein-protein interactionProtein-protein interaction networkTertiary structures

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Structural Biology

Background:

  • Protein-protein interactions (PPIs) are fundamental to cellular processes.
  • Visualizing complex PPI networks is crucial for understanding biological functions.
  • Existing tools may lack interactive 3D visualization capabilities.

Purpose of the Study:

  • To develop and present 3DProIN, a novel computational tool for visualizing protein-protein interaction networks.
  • To enable interactive exploration of network topology and protein tertiary structures in both 2D and 3D.
  • To provide a user-friendly platform for analyzing biological network features.

Main Methods:

  • 3DProIN models PPIs as graphs, integrating protein tertiary structure information.
  • Utilizes 3D Java and C programming languages for implementation.
  • Employs internet crawling to dynamically retrieve protein interaction data from the Protein Data Bank (PDB).
  • Features an interactive graphical user interface for node (protein) property editing (color, shape, name).

Main Results:

  • 3DProIN offers simultaneous 2D and 3D visualization of protein interaction networks.
  • Allows users to manipulate and explore network components and associated structural features.
  • The tool is platform-independent, accessible via web browsers (Firefox, IE, Chrome, Safari) on Linux, Mac, and Windows.
  • A dedicated Mac application is available through the App Store and website.

Conclusions:

  • 3DProIN provides an effective solution for visualizing and analyzing protein-protein interaction networks.
  • The tool enhances biological network exploration by integrating structural information and interactive visualization.
  • 3DProIN is freely available for academic research, promoting its use in biological studies.