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Related Concept Videos

Protein Organization01:24

Protein Organization

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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.
The primary structure of a protein is its amino acid sequence....
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Protein-protein Interfaces02:04

Protein-protein Interfaces

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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 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.
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,...
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Related Experiment Video

Updated: Jul 11, 2025

Author Spotlight: A Computational Approach to Decipher Amino Acid Preferences in Multispecific Protein-Protein Interactions
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PDBminer to Find and Annotate Protein Structures for Computational Analysis.

Kristine Degn1, Ludovica Beltrame1, Matteo Tiberti2

  • 1Cancer Systems Biology, Section for Bioinformatics, Department of Health and Technology, Technical University of Denmark, 2800 Lyngby, Denmark.

Journal of Chemical Information and Modeling
|November 17, 2023
PubMed
Summary
This summary is machine-generated.

PDBminer simplifies protein structure selection from the Protein Data Bank (PDB) and AlphaFold Database. This open-source tool enhances computational biology by providing quality-ranked structure data, saving researchers time and effort.

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Area of Science:

  • Computational Biology
  • Structural Biology
  • Bioinformatics

Background:

  • Protein structure selection is critical for computational methods.
  • The Protein Data Bank (PDB) and AlphaFold Database offer vast structural data.
  • Identifying suitable protein structures from these sources is challenging.

Purpose of the Study:

  • To introduce PDBminer, an open-source software package.
  • To streamline the identification and selection of protein structures.
  • To reduce errors and save time in structure-based research.

Main Methods:

  • PDBminer searches the AlphaFold Database and PDB for specified proteins.
  • It generates a quality-ranked table of relevant protein structures.
  • The software handles UniProt sequence alignment and addresses PDB numbering differences.

Main Results:

  • PDBminer provides an up-to-date overview of available protein structures.
  • The output includes data on model quality, complexes, ligands, and nucleic acid binding.
  • Associated tools, PDBminer2coverage and PDBminer2network, aid visualization.

Conclusions:

  • PDBminer simplifies the selection of appropriate protein structures.
  • It facilitates efficient use of structural data from PDB and AlphaFold.
  • The package is valuable for researchers in computational and structural biology.