Statistics for release 132 (2024-03-27)

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

Unique reactions: 16,410

Unique reaction participants: 13,588

Reaction participants help_outline
Type Participants Reactions
Small molecule (ChEBI) 11,543 16,349
Macromolecule (Rhea) 1,793 2,935
Polymer (Rhea) 252 292
Reactions by status help_outline
Approved 16,344
Preliminary 66
Reactions by qualifier
Chemically balanced 16,400
Transport 1,462
Linked database records
Database Data type Origin Unique database IDs Links Total reactions
EcoCyc Reaction Curated 1,587 1,633 1,621
MetaCyc Reaction Curated 8,891 9,197 9,042
Reactome Reaction Computed via ChEBI IDs 1,267 1,504 865
KEGG Reaction Curated 6,678 6,802 6,762
M-CSA Reaction Computed 138 138 136
Enzyme EC number Curated 6,009 7,635 7,357
PubMed Bibliographic citation Curated 17,701 35,092 15,603
ChEBI Compound Curated 12,673 77,321 16,410
GO Enzymes 4,414 4,421 4,408