The goal of the GeneOntology (GO) project is to provide a uniformway to describe the functions of gene products from organisms across all kingdoms of life and thereby enable analysis of genomic data

Products

go.owl GO (OWL edition) The main ontology in OWL. This is self contained and does not have connections to other OBO ontologies [page]
go.obo GO (OBO Format edition) Equivalent to go.owl, in obo format [page]
go.json GO (JSON edition) Equivalent to go.owl, in obograph json format [page]
go/extensions/go-plus.owl GO-Plus The main ontology plus axioms connecting to select external ontologies [page]
go/extensions/go-plus.json GO-Plus As go-plus.owl, in obographs json format [page]
go/go-basic.obo GO-Basic, Filtered, for use with legacy tools The main ontology plus axioms connecting to select external ontologies [page]
go/go-basic.json GO-Basic, Filtered, for use with legacy tools (JSON) As go-basic.obo, in json format [page]
go/extensions/go-taxon-groupings.owl GO Taxon Groupings Classes added to ncbitaxon for groupings such as prokaryotes [page]
snapshot/go.owl GO (OWL edition), daily snapshot release Equivalent to go.owl, but released daily. Note the snapshot release is not archived. [page]
snapshot/go.obo GO (OBO Format edition), daily snapshot release Equivalent to go.owl, but released daily. Note the snapshot release is not archived. [page]

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