Remarks
Description: "The repository facilitates computation of a wide range of biosystem data. It also connects biosystem data with associated literature throughout the Entrez system. "
The NCBI BioSystems Database currently contains records from several source databases: KEGG, BioCyc (including its Tier 1 EcoCyc and MetaCyc databases, and its Tier 2 databases), Reactome, the National Cancer Institute's Pathway Interaction Database, WikiPathways, and Gene Ontology (GO).