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PRED-GPCR: GPCR recognition and family classification server.

P K Papasaikas1, P G Bagos, Z I Litou

  • 1Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Panepistimiopolis, Athens 157 01, Greece.

Nucleic Acids Research
|June 25, 2004
PubMed
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PRED-GPCR is a free online tool for identifying and classifying G-protein coupled receptors (GPCRs). It aids researchers in rapidly screening new GPCR family members from growing genomic data.

Area of Science:

  • Bioinformatics
  • Computational Biology
  • Genomics and Proteomics

Background:

  • G-protein coupled receptors (GPCRs) are a large family of cell-surface receptors crucial for cell physiology.
  • GPCRs are significant targets for pharmaceutical drug development.
  • Increasing genomic and proteomic data necessitates efficient methods for GPCR identification and classification.

Purpose of the Study:

  • To introduce PRED-GPCR, a free internet service for the recognition and family-level classification of GPCRs.
  • To provide a fast, automated, and reliable screening tool for new GPCR family members.

Main Methods:

  • PRED-GPCR utilizes a library of 265 profile hidden Markov models (HMMs) representing 67 well-characterized GPCR families.
  • Submitted protein sequences are queried against the PRED-GPCR HMM library.

Related Experiment Videos

  • A web interface facilitates user queries, with results presented in HTML format.

    • Main Results:

    • The service identifies and classifies GPCRs at the family level.
    • It returns results including single-motif matches and combined family classifications.
    • PRED-GPCR offers automated and reliable screening of GPCR sequences.

    Conclusions:

    • PRED-GPCR provides a valuable, free resource for the research community.
    • The tool supports the ongoing need for efficient analysis of large-scale genomic and proteomic datasets.
    • It aids in the discovery and classification of novel G-protein coupled receptors.