Statistics for release 123 (2022-08-03)

The number of reactions given here is the number of reaction quartets.

Unique reactions: 14,880

Unique reaction participants: 12,716

Reaction participants help_outline
Type Participants Reactions
Small molecule (ChEBI) 10,733 14,819
Macromolecule (Rhea) 1,742 2,766
Polymer (Rhea) 241 283
Reactions by status help_outline
Approved 14,850
Preliminary 30
Reactions by qualifier
Chemically balanced 14,870
Transport 950
Linked database records
Database Data type Origin Unique database IDs Links Total reactions
EcoCyc Reaction Curated 1,568 1,611 1,594
MetaCyc Reaction Curated 8,580 8,883 8,685
Reactome Reaction Computed via ChEBI IDs 1,167 1,335 758
KEGG Reaction Curated 6,601 6,723 6,687
M-CSA Reaction Computed 138 138 136
Enzyme EC number Curated 5,888 7,396 7,129
PubMed Bibliographic citation Curated 16,850 32,495 14,167
ChEBI Compound Curated 11,829 71,291 14,880
GO Enzymes 4,315 4,315 4,306