This chapter describes the KEGG GLYCAN database of the KEGG resource, including descriptions of links to the other databases in KEGG. In particular, KEGG GLYCAN consists of glycan structures, with links to glycogenes, orthologs, reactions, pathways, drugs, diseases, and others, all within the KEGG resources. A number of analytical tools are also available, including the composite structure map (CSM), KegDraw, KCam, and GECS. These databases and tools will be described along with simple examples of their usage.
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