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The KEGG resource for deciphering the genome.

Minoru Kanehisa1, Susumu Goto, Shuichi Kawashima

  • 1Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan. kanehisa@kuicr.kyoto-u.ac.jp

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Summary

Creating a computational cell model is a major post-genomic challenge. KEGG provides integrated knowledge for predicting protein interaction networks from genomic data.

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Area of Science:

  • Bioinformatics
  • Systems Biology
  • Genomics

Background:

  • The post-genomic era faces the challenge of creating comprehensive computational models of cells and organisms.
  • Predicting complex cellular processes and organism behavior from genomic information is a key goal.

Purpose of the Study:

  • To develop a knowledge-based approach for predicting protein interaction networks.
  • To integrate diverse biological data into a unified framework for network prediction.

Main Methods:

  • Utilizing the KEGG (Kyoto Encyclopedia of Genes and Genomes) knowledge base.
  • Integrating pathway, gene, protein, and biochemical compound/reaction databases.
  • Representing biological information as graph objects: protein network, gene universe, and chemical universe.

Main Results:

  • KEGG integrates molecular interaction networks, gene/protein information, and biochemical data.
  • The approach enables prediction of protein interaction networks from genomic data.
  • Ongoing efforts focus on KEGG Orthology (KO) and the GLYCAN database for enhanced knowledge abstraction.

Conclusions:

  • A knowledge-based approach using KEGG facilitates computational prediction of cellular networks.
  • This facilitates understanding higher-level biological complexity from genomic data.
  • Continued development of KEGG databases enhances the predictive power of computational models.