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Related Experiment Videos

MPW: the Metabolic Pathways Database

E Selkov1, Y Grechkin, N Mikhailova

  • 1Intitute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Moscow region, Russia. evgeni@mcs.anl.gov

Nucleic Acids Research
|December 24, 1997
PubMed
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The Metabolic Pathways Database (MPW) aids metabolic reconstructions from genomes using electronic circuit design principles. This facilitates automated simulation and modeling of metabolic pathways, linking them to chemical structures.

Area of Science:

  • Bioinformatics
  • Computational Biology
  • Systems Biology

Background:

  • The Metabolic Pathways Database (MPW) is a derivative of the EMP database.
  • MPW is integral to metabolic reconstructions from sequenced genomes using systems like PUMA, WIT, and WIT2.
  • As of October 1997, MPW contained approximately 2800 pathway diagrams across various metabolic and cellular processes.

Purpose of the Study:

  • To describe the structure and capabilities of the Metabolic Pathways Database (MPW).
  • To highlight MPW's role in facilitating metabolic reconstructions and pathway modeling.
  • To detail the database's encoding, storage, and integration with chemical structure information.

Main Methods:

  • MPW utilizes an encoding based on the logical structure of pathways, represented by objects common in electronic circuit design.

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  • Pathway diagrams are automatically derived from ASCII records and stored as SGML instances with relational indices.
  • An auxiliary database encodes compound names and structures in SMILES format for unambiguous chemical identification.

    • Main Results:

    • The electronic circuit-based encoding simplifies drawing, editing, and simulation of metabolic pathway diagrams.
    • Automation of basic simulation operations, including stoichiometric matrix derivation and rate law determination, is enabled.
    • MPW facilitates the creation of dynamic models for metabolic pathways.

    Conclusions:

    • MPW provides a robust framework for metabolic pathway analysis and modeling.
    • The database's design supports the integration of pathway information with chemical structures.
    • MPW is a valuable resource for computational biology and bioinformatics research.