Event Ontology Release Notes
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Version: 1.61 (28th Mar. 2007)

Event Ontology is an ontology that organizes the concepts and terms of pathway objects such as sub-pathways, biological processes and experimental environments appearing in the cellular pathway (e.g. signal transductions, disease pathways, metabolic pathways, etc.) The concepts in the Event Ontology were manually extracted from scientific articles and text books. Each concept has a link to Gene Ontology if possible.

Changes from version 1.60
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[Added terms and definitions]
1. terms related to MAPKKK cascade (e.g., IEV_0003381:Phosphorylation of MKK4 by TAK1)
2. terms related to IL-1 signaling, TLR signaling (e.g., IEV_0003384:Phosphorylation of TAB2 and TAK1)
3. definitions related to Metabolic pathway (e.g., IEV_0001411:Glutamate metabolism)
4. etc.

More information about Event Ontology
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Tatsuya Kushida, Toshihisa Takagi and Ken Ichiro Fukuda, Event Ontology: A Pathway-Centric Ontology for Biological Processes. Pacific Symposium on Biocomputing 11:152-163(2006). 

Statistics
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All entries 2723
Obsoletes 21
definition 455

GO IDs 400
KEGG PATHWAY IDs 184
Reactome IDs 110
PSI-MI IDs 53
