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AS2TS system for protein structure modeling and analysis.

A Zemla1, C Ecale Zhou, T Slezak

  • 1Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, CA 94550, USA.

Nucleic Acids Research
|June 28, 2005
PubMed
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We developed new computational tools for protein structure comparison and modeling. These programs, including LGA and AS2TS, aid in analyzing structural similarity and generating 3D protein models from sequences.

Area of Science:

  • Structural biology
  • Bioinformatics
  • Computational chemistry

Background:

  • Protein structure comparison and modeling are crucial for understanding protein function and evolution.
  • Existing methods may lack efficiency or comprehensive analysis capabilities.

Purpose of the Study:

  • To present novel computational programs and a website for protein structure comparison and modeling.
  • To enhance the process of analyzing structural similarity and generating 3D protein models.

Main Methods:

  • Utilizing the Local-Global Alignment (LGA) program for local similarity searches and structural similarity evaluation.
  • Employing the Amino Acid Sequence to Tertiary Structure (AS2TS) system for generating 3D models from amino acid sequences.
  • Leveraging PSI-BLAST for PDB analysis within the AS2TS system to identify homologous proteins.

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Main Results:

  • Developed a suite of programs and a website to facilitate protein structure analysis and comparison.
  • Implemented LGA for detailed structural similarity assessment.
  • Created AL2TS and AS2TS services for homology-based modeling and automated 3D model generation.

Conclusions:

  • The presented tools and web services streamline protein structure comparison and modeling workflows.
  • These resources provide valuable support for researchers in structural biology and bioinformatics.
  • The AS2TS web service is accessible at http://as2ts.llnl.gov/ for broader research community use.