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Related Concept Videos

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
Protein Organization01:13

Protein Organization

Overview
Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
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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Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
09:51

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web

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Predicting 3D structures of protein-protein complexes.

Ilya A Vakser1, Petras Kundrotas

  • 1Center for Bioinformatics, The University of Kansas, Lawrence, Kansas 66047, USA. vakser@ku.edu

Current Pharmaceutical Biotechnology
|April 9, 2008
PubMed
Summary

Computational structural biology focuses on protein-protein docking. This review examines protein docking methods for understanding protein interactions and aiding drug design, crucial for structural genomics.

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Last Updated: Jul 6, 2026

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A Protocol for Computer-Based Protein Structure and Function Prediction
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Application of I TASSER, trRosetta, UCSF Chimera, HADDOCK server, and HEX loria for De Novo and In Silico Design of Proteins
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Area of Science:

  • Computational structural biology
  • Biophysics
  • Bioinformatics

Background:

  • Protein-protein interactions are central to biological processes.
  • The increasing availability of protein structures necessitates robust computational methods for modeling interactions.
  • Understanding these interactions is vital for both fundamental biological research and therapeutic development.

Purpose of the Study:

  • To critically review existing computational approaches for protein-protein docking.
  • To analyze these methods based on the fundamental principles of protein recognition.
  • To highlight the importance of docking in structural genomics and drug design.

Main Methods:

  • Literature review of protein-protein docking algorithms.
  • Analysis of docking methodologies against principles of molecular recognition.
  • Evaluation of current techniques in the context of structural biology challenges.

Main Results:

  • Identified key computational strategies for predicting protein complex structures.
  • Assessed the strengths and limitations of various docking approaches.
  • Emphasized the role of docking in advancing structural genomics and rational drug discovery.

Conclusions:

  • Protein-protein docking is a critical tool in computational structural biology.
  • Effective docking methodologies are essential for both understanding biological systems and designing new drugs.
  • Further refinement of docking techniques is needed to fully leverage the potential of structural genomics data.