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PROMALS3D web server for accurate multiple protein sequence and structure alignments.

Jimin Pei1, Ming Tang, Nick V Grishin

  • 1Howard Hughes Medical Institute and Department of Biochemistry, University of Texas Southwestern Medical Center, 6001 Forest Park Road, Dallas, TX 75390-9050, USA.

Nucleic Acids Research
|May 27, 2008
PubMed
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PROMALS3D is a web server that creates accurate multiple protein sequence alignments using 3D structures and other data. It outperforms existing methods for protein analysis tasks like homology detection and structure modeling.

Area of Science:

  • Computational biology
  • Bioinformatics
  • Structural biology

Background:

  • Multiple sequence alignments are crucial for various computational analyses of protein sequences and structures.
  • Applications include homology detection, structure modeling, function prediction, and phylogenetic analysis.

Purpose of the Study:

  • To introduce the PROMALS3D web server for constructing multiple protein sequence and/or structure alignments.
  • To leverage 3D structure information, database homologs, and predicted secondary structures for improved alignment accuracy.

Main Methods:

  • The PROMALS3D server accepts FASTA protein sequences, PDB protein structures, and alignment constraints.
  • It integrates information from available 3D structures, database homologs, and predicted secondary structures.

Related Experiment Videos

  • Alignments are generated using proprietary algorithms that enhance accuracy.

    • Main Results:

    • PROMALS3D demonstrates higher alignment accuracy compared to several other advanced methods.
    • The server provides comprehensive output, including colored alignments, sequence grouping, predicted secondary structures, and consensus sequences.
    • Intermediate search results from sequence and structural databases are also accessible.

    Conclusions:

    • PROMALS3D offers a valuable tool for researchers requiring accurate multiple protein sequence and structure alignments.
    • Its ability to integrate diverse data sources leads to superior performance in critical bioinformatics tasks.
    • The web server is readily available for use in protein analysis and research.