Statistics for release 139 (2025-06-18)
The number of reactions given here is the number of reaction quartets.
Unique reactions: 17,783
Unique reaction participants: 14,654
| Reaction participants help_outline | ||
|---|---|---|
| Type | Participants | Reactions |
| Small molecule (ChEBI) | 12,496 | 17,717 |
| Macromolecule (Rhea) | 1,897 | 3,206 |
| Polymer (Rhea) | 261 | 319 |
| Reactions by status help_outline | |
|---|---|
| Approved | 17,635 |
| Preliminary | 148 |
| Reactions by qualifier | |
|---|---|
| Chemically balanced | 17,775 |
| Transport | 1,522 |
| Linked database records | |||||
|---|---|---|---|---|---|
| Database | Data type | Origin | Unique database IDs | Links | Total reactions |
| EcoCyc | Reaction | Curated | 1,615 | 1,660 | 1,648 |
| MetaCyc | Reaction | Curated | 9,315 | 9,632 | 9,475 |
| Reactome | Reaction | Computed via ChEBI IDs | 1,344 | 1,584 | 913 |
| KEGG | Reaction | Curated | 6,921 | 7,054 | 7,014 |
| M-CSA | Reaction | Computed | 138 | 138 | 136 |
| Enzyme | EC number | Curated | 6,153 | 7,858 | 7,569 |
| PubMed | Bibliographic citation | Curated | 18,435 | 37,248 | 16,870 |
| ChEBI | Compound | Curated | 13,723 | 83,885 | 17,783 |
| GO | Enzymes | 4,393 | 4,393 | 4,388 | |