---
id: "reactome_id"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["science"]
langs: ["common"]
quality: 85
url: "http://registry.apicrafter.io/datatype/reactome_id"
---

# Reactome stable identifier (`reactome_id`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Stable identifier of a pathway, reaction or other entry in Reactome, the curated knowledgebase of biological pathways. It is R-, a three-letter species code such as HSA, a hyphen and a number; a version such as .1 may follow.

- Personal data (PII): no
- Categories: Scientific (science)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^R-[A-Z]{3}-\d+(-\d+)?(\.\d+)?$
```

## Examples

- `R-HSA-109582` — Hemostasis
- `R-BTA-418592` — ADP signalling through P2Y purinoceptor 1; Bioregistry example
- `R-HSA109582` (invalid example) — Missing hyphen before the number

## Mappings

- bioregistry: `reactome`
- wikidata: `P3937`

## Sources

- doc: <https://reactome.org/>
- other: <https://bioregistry.io/registry/reactome>
- wikidata: <https://www.wikidata.org/wiki/Property:P3937>

## Quality

Score 85/100. Missing: translation, detector coverage.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/reactome_id.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/science/reactome_id.yaml>