standards > terminology artifact > DOI:10.25504/FAIRsharing.wp0134
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ready Clusters of Orthologous Groups (COG) Analysis Ontology

Abbreviation: CAO

General Information
CAO ontology is designed for supporting the COG enrichment study by using Fisher's exact test. It is used for the ontology based application for statistical analysis on COG db.

How to cite this record CAO; Clusters of Orthologous Groups (COG) Analysis Ontology; DOI:; Last edited: Aug. 8, 2019, 10:56 a.m.; Last accessed: Sep 25 2021 1:23 p.m.

Record updated: June 28, 2019, 2:56 p.m. by The FAIRsharing Team.

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Additional Information

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Conditions of Use


A genomic perspective on protein families.

Tatusov RL,Koonin EV,Lipman DJ
Science 1997

View Paper (PubMed)

CAO Ontology Display

View in BioPortal.

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Related Standards

Reporting Guidelines

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Terminology Artifacts

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Models and Formats

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Identifier Schemas

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Related Databases (1)
Clusters of Orthologous Groups of Proteins: Phylogenetic classification of proteins encoded in complete genomes
Clusters of Orthologous Groups of proteins (COGs) were delineated by comparing protein sequences encoded in complete genomes, representing major phylogenetic lineages. Each COG consists of individual proteins or groups of paralogs from at least 3 lineages and thus corresponds to an ancient conserved domain.

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