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The Pathway Commons1 ontology contains data on pathways from multiple sources. Pathways include biochemical reactions, complex assembly, transport and catalysis events, and physical interactions involving proteins, DNA, RNA, small molecules and complexes.


The human hg19 ontology contains 1,400 pathways, 4,659 genes, and 71,791 associations.

The human hg18 ontology contains 1,400 pathways, 4,665 genes, and 71,804 associations.

The mouse mm9 ontology contains 1,380 pathways, 4,162 genes, and 62,131 associations.


All data for this ontology was downloaded on September 30, 2010.

GREAT v1.2

GREAT v1.2 Pathway Commons statistics are available here.


Ref Notes
1 Cerami, E.G., Bader, G.D., Gross, B.E., Sander, C. cPath: open source software for collecting, storing, and querying biological pathways, BMC Bioinformatics. 2006 Nov 13; 7:497.
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