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Template-based and free modeling by RAPTOR++ in CASP8.

Jinbo Xu1, Jian Peng, Feng Zhao

  • 1Toyota Technological Institute at Chicago, Illinois 60637, USA. j3xu@tti-c.org

Proteins
|September 2, 2009
PubMed
Summary

RAPTOR++ is a protein structure prediction tool tested in CASP8. It integrates threading, quality assessment, and alignment modules, employing template-based or template-free modeling strategies for improved 3D structure generation.

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Area of Science:

  • Computational Biology
  • Structural Bioinformatics
  • Protein Science

Background:

  • Accurate protein structure prediction is crucial for understanding biological function.
  • Existing methods often struggle with diverse protein targets.

Purpose of the Study:

  • To develop and evaluate RAPTOR++, a novel computational tool for protein structure prediction.
  • To integrate multiple modeling strategies for enhanced prediction accuracy.

Main Methods:

  • RAPTOR++ utilizes threading against known protein structures.
  • It incorporates model quality assessment and multiple protein alignment.
  • The system employs both template-based and template-free modeling approaches.

Main Results:

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  • RAPTOR++ was tested in the CASP8 competition.
  • The tool integrates threading, quality assessment, and alignment modules.
  • A hybrid approach combining template-based and template-free modeling was explored.

Conclusions:

  • RAPTOR++ demonstrates a multi-module strategy for protein structure prediction.
  • Further integration of template-based and template-free modeling is planned.
  • The system was under development during CASP8, indicating ongoing refinement.