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MPID: MHC-Peptide Interaction Database for sequence-structure-function information on peptides binding to MHC

Kunde Ramamoorthy Govindarajan1, Pandjassarame Kangueane, Tin Wee Tan

  • 1Department of Biochemistry, National University of Singapore, Singapore 119260.

Bioinformatics (Oxford, England)
|January 23, 2003
PubMed
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The MHC-Peptide Interaction Database (MPID) aids understanding of how antigenic peptides bind to Major Histocompatibility Complex (MHC) proteins, crucial for T-cell immunity. This resource offers structural data to develop predictive binding algorithms.

Area of Science:

  • Immunology
  • Structural Biology
  • Bioinformatics

Background:

  • T-cell mediated immune responses initiate with peptide binding to Major Histocompatibility Complex (MHC) proteins.
  • Understanding MHC-peptide interactions is vital for immunology and drug development.

Purpose of the Study:

  • To develop the MHC-Peptide Interaction Database (MPID) for analyzing structural principles of MHC-peptide binding.
  • To provide a comprehensive resource for researchers studying immune responses.

Main Methods:

  • Curated x-ray crystallographic data from 86 MHC-peptide complexes were compiled.
  • Interaction parameters including solvent accessibility, hydrogen bonds, gap volume, and gap index were precomputed.
  • A user-friendly web interface and query tools were developed.

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Main Results:

  • MPID (version 1.2) integrates sequence, structure, and function data for MHC-peptide complexes.
  • Precomputed interaction parameters offer quantitative insights into binding characteristics.

Conclusions:

  • MPID facilitates a deeper understanding of MHC-specific peptide recognition.
  • The database and its tools will aid in developing predictive algorithms for MHC-peptide binding from a structural perspective.