# Gene Ontology Extension (GO-EXT)

> Gene Ontology Extension

- Page: https://library.schematica.io/model/aada747178004f9fa7fc452e1b8101df
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OBO
- Domains: Healthcare
- Audiences: Researcher
- External link: https://bioportal.bioontology.org/ontologies/GO-EXT
- Contact: Gene Ontology Consortium (go@geneontology.org)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | GO-EXT |
| Description | Gene Ontology Extension |
| Format | OBO |
| Categories |  |
| Groups | Unified Medical Language System, Cancer Biomedical Informatics Grid, OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 35,873 |
| Individuals | 0 |
| Properties | 6 |
| Max Depth | 15 |
| Max Child Count | 5,313 |
| Average Child Count | 4 |
| Classes With One Child | 3,460 |
| Classes With More Than 25 Children | 218 |
| Classes With No Definition | 1,474 |

## Projects using GO-EXT

- [ISA software suite](https://bioportal.bioontology.org/projects/ISS)

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Source: https://library.schematica.io/model/aada747178004f9fa7fc452e1b8101df