Statistics for release 131 (2024-01-24)

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

Unique reactions: 16,270

Unique reaction participants: 13,530

Reaction participants help_outline
Type Participants Reactions
Small molecule (ChEBI) 11,492 16,209
Macromolecule (Rhea) 1,786 2,925
Polymer (Rhea) 252 292
Reactions by status help_outline
Approved 16,246
Preliminary 24
Reactions by qualifier
Chemically balanced 16,260
Transport 1,461
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 8,866 9,172 9,017
Reactome Reaction Computed via ChEBI IDs 1,261 1,505 857
KEGG Reaction Curated 6,663 6,788 6,748
M-CSA Reaction Computed 138 138 136
Enzyme EC number Curated 6,001 7,626 7,347
PubMed Bibliographic citation Curated 17,665 34,909 15,486
ChEBI Compound Curated 12,617 76,665 16,270
GO Enzymes 4,404 4,411 4,398