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Related Experiment Videos

ModLoop: automated modeling of loops in protein structures.

András Fiser1, Andrej Sali

  • 1Department of Biochemistry and Seaver Foundation Center for Bioinformatics, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY 10461, USA. andras@fiserlab.org

Bioinformatics (Oxford, England)
|December 12, 2003
PubMed
Summary

ModLoop is a web server for automated protein loop modeling. It predicts loop conformations using spatial restraints, providing coordinates for segments up to 20 residues.

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Area of Science:

  • Computational biology
  • Structural bioinformatics
  • Protein structure modeling

Background:

  • Protein structure modeling is crucial for understanding biological function.
  • Accurate modeling of loops is a significant challenge in structural bioinformatics.
  • Automated tools can accelerate the process of protein structure refinement.

Purpose of the Study:

  • To introduce ModLoop, a novel web server for automated loop modeling in protein structures.
  • To provide researchers with an efficient tool for predicting protein loop conformations.

Main Methods:

  • The ModLoop web server utilizes the loop modeling routine from MODELLER.
  • It predicts loop conformations by satisfying spatial restraints.
  • The server does not rely on a database of known protein structures.

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Main Results:

  • ModLoop accepts protein structures in Protein Data Bank (PDB) format as input.
  • Users specify segments (up to 20 residues) for loop modeling.
  • The server outputs atomic coordinates for the modeled segments.

Conclusions:

  • ModLoop offers an automated and efficient method for protein loop modeling.
  • The web server is accessible to academic users.
  • It provides rapid responses due to its implementation on a Linux PC cluster.