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Ontology Downloads

  • Current Ontology File Downloads
  • Ontology File Archives

Ontology File Downloads

Terms, definitions and ontology structure.

Current ontology statistics:

as of July 3, 2009 at 14:00 Pacific time:
27734 terms, 98.9% with definitions.

16731 biological_process
2385 cellular_component
8618 molecular_function

There are 1401 obsolete terms not included in the above statistics.

Download GO ontology files
Format Download Updated
OBO v1.2 format
format guide
OBO v1.2 Daily
OBO v1.0 format
format guide
Monthly releases also available by FTP
OBO v1.0 Daily
GO format
format guide
Monthly releases also available by FTP

Note that this format is deprecated.

function
process
component
defs
Monthly
mySQL and SQL format
database schema
MySQL database dump
SQL statements (more compatible)
Daily
RDF-XML format
RDF-XML format guide
rdf-xml.gz
rdf.dtd.gz
Daily
OBO-XML format
format guide
obo-xml.gz
obo-xml.dtd.gz
Daily
OWL format
format guide
owl.gz Daily
Extended GO
README
OBO v1.2 Daily
GO Slims

See the GO slim guide for details on everything GO slim related

Daily

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Ontology Archives

An archive of the ontology files (in both OBO and GO format) from the first of each month is available from the ontology-archive directory of the FTP site. See the GO FTP site access instructions.

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