Gene Ontology

The Gene Ontology project represents knowledge about gene functions across molecular, cellular, and tissue system levels.

geneontology.org
Gene Ontology homepage screenshot

About Gene Ontology

The Gene Ontology (GO) project is a major bioinformatics initiative that develops a computational, cross-species representation of knowledge about gene functions across molecular, cellular, and tissue system levels. It hosts the world’s largest public gene function knowledgebase, with data designed to be both human- and machine-readable for use in computational research. The resource provides GO ontology terms, traceable gene product annotations linked to scientific evidence, and GO Causal Activity Models (GO-CAMs) that link standard annotations into full biological system models. It also offers tools for browsing, searching, visualizing, and downloading data, plus a public API to integrate GO content into external research workflows.

Key features

  • World's largest public gene function knowledgebase
  • Cross-species ontology of gene functions at molecular, cellular, and system levels
  • Traceable gene product annotations tied to specific scientific evidence
  • GO-CAMs for structured modeling of complete biological systems
  • Tools to browse, search, visualize, and download ontology and annotation data
  • Public API for integrating GO data into external research workflows
Best for: Biomedical researchers, bioinformaticians, and genetics scientists conducting large-scale molecular biology and gene function analysis.
Good for
  • Hosts the world’s largest source of gene function information
  • Data is both human- and machine-readable for diverse research use cases
  • Includes GO-CAMs to link individual annotations into full biological system models

Gene Ontology at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Gene Ontology FAQ

What types of data and resources does the Gene Ontology provide?
It provides GO ontology terms, gene product annotations, GO-CAMs, tools for data access, and a public API for research integration.
Is Gene Ontology data suitable for computational analysis?
Yes, the GO knowledgebase is designed to be both human-readable and machine-readable for large-scale computational research.
What is the purpose of GO-CAM?
GO Causal Activity Model (GO-CAM) is a structured framework that links standard GO annotations into a more complete model of a biological system.
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