Sequence Types and Features Ontology (SO)

Ontology Info

Field	Value
Acronyme	SO
Description	SO is a collaborative ontology project for the definition of sequence features used in biological sequence annotation. SO was initially developed by the Gene Ontology Consortium. Contributors to SO include the GMOD community, model organism database groups such as WormBase, FlyBase, Mouse Genome Informatics group, and institutes such as the Sanger Institute and the EBI. Input to SO is welcomed from the sequence annotation community. The OBO revision is available here: http://sourceforge.net/p/song/svn/HEAD/tree/
Format	OWL
Categories	Genomic and Proteomic
Groups	OBO Foundry

Metric	Value
Classes	2,736
Individuals	0
Properties	50
Max Depth	13
Max Child Count	45
Average Child Count	3
Classes With One Child	132
Classes With More Than 25 Children	7
Classes With No Definition	204