Statistics for release 127 (2023-05-03)

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

Unique reactions: 15,735

Unique reaction participants: 13,128

Reaction participants help_outline
Type Participants Reactions
Small molecule (ChEBI) 11,114 15,674
Macromolecule (Rhea) 1,773 2,857
Polymer (Rhea) 241 284
Reactions by status help_outline
Approved 15,708
Preliminary 27
Reactions by qualifier
Chemically balanced 15,725
Transport 1,360
Linked database records
Database Data type Origin Unique database IDs Links Total reactions
EcoCyc Reaction Curated 1,576 1,622 1,609
MetaCyc Reaction Curated 8,810 9,114 8,936
Reactome Reaction Computed via ChEBI IDs 1,237 1,476 832
KEGG Reaction Curated 6,642 6,765 6,727
M-CSA Reaction Computed 138 138 136
Enzyme EC number Curated 5,990 7,579 7,303
PubMed Bibliographic citation Curated 17,399 34,100 15,043
ChEBI Compound Curated 12,225 74,325 15,735
GO Enzymes 4,389 4,396 4,384