Pathway Interaction Database
Biomolecular interactions and cellular processes assembled into authoritative human signaling pathways
137 Human Pathways 9248 Interactions Curated by NCI-Nature
322 Human Pathways 7575 Interactions Imported from BioCarta/Reactome
Update: as of September 23, 2012 the PID is no longer being actively curated. NCI will maintain the PID website and data for twelve months beyond September 2012 to allow interested parties to obtain the previously curated data before the site is retired in September 2013.
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Pathway Updates
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Recently Added Or Updated Pathways
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Research highlights
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Bioinformatics primer
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