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(PS)2: protein structure prediction server version 3.0.

Tsun-Tsao Huang1, Jenn-Kang Hwang2, Chu-Huang Chen3

  • 1Institute of Bioinformatics and Systems Biology, National Chiao Tung University, Hsinchu 30068, Taiwan Center for Bioinformatics Research, National Chiao Tung University, Hsinchu 30068, Taiwan.

Nucleic Acids Research
|May 7, 2015
PubMed
Summary
This summary is machine-generated.

The updated (PS)(2) web server predicts protein complex structures and analyzes subunit coupling using structural and evolutionary data. This tool helps biologists understand protein function at a molecular level.

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Area of Science:

  • Structural biology
  • Computational biology
  • Bioinformatics

Background:

  • Protein complexes are crucial for numerous biological processes.
  • Understanding subunit interactions is key to elucidating protein function at a molecular level.

Purpose of the Study:

  • To introduce an updated web server, (PS)(2), for predicting three-dimensional protein complex structures.
  • To analyze the coupling between subunits within predicted protein complexes by integrating structural and evolutionary information.

Main Methods:

  • Utilizes comparative modeling to predict the three-dimensional structures of protein complexes.
  • Combines structural and evolutionary considerations to examine subunit coupling.
  • Employs Java-based 3D graphics viewers for visualization of predicted complex structures.
  • Compares structural and evolutionary profiles chain-by-chain for each subunit.

Main Results:

  • The (PS)(2) server provides predictions of protein complex structures.
  • It identifies differences in structural and evolutionary profiles with and without subunit packing contributions.
  • These differences indicate whether a subunit is preferred in a complex or monomeric state under biological conditions.

Conclusions:

  • The (PS)(2) server is a valuable tool for biologists studying protein complex structures.
  • It facilitates the investigation of subunit coupling within protein complexes.
  • The server aids in understanding the biological preference for complex versus monomeric forms of subunits.