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

# Rhea reaction identifier (`rhea_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.

Number of a reaction in Rhea, the expert-curated knowledgebase of biochemical and transport reactions whose participants are described with ChEBI. Rhea displays it with the prefix RHEA:, as in RHEA:15421; this format is the number alone.

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

## Detection

Regular expression (Python `re`):

```
^\d{5}$
```

## Examples

- `15421` — a long-chain fatty acid + ATP + CoA = a long-chain fatty acyl-CoA + AMP + diphosphate
- `10000` — pentanamide + H2O = pentanoate + NH4(+)
- `RHEA:15421` (invalid example) — With the RHEA: prefix

## Mappings

- bioregistry: `rhea`

## Sources

- doc: <https://www.rhea-db.org/>
- other: <https://bioregistry.io/registry/rhea>

## Quality

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

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