Statistics for release 128 (2023-06-28)

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

Unique reactions: 15,971

Unique reaction participants: 13,278

Reaction participants help_outline
Type Participants Reactions
Small molecule (ChEBI) 11,255 15,910
Macromolecule (Rhea) 1,778 2,896
Polymer (Rhea) 245 286
Reactions by status help_outline
Approved 15,945
Preliminary 26
Reactions by qualifier
Chemically balanced 15,961
Transport 1,450
Linked database records
Database Data type Origin Unique database IDs Links Total reactions
EcoCyc Reaction Curated 1,580 1,626 1,613
MetaCyc Reaction Curated 8,818 9,120 8,958
Reactome Reaction Computed via ChEBI IDs 1,250 1,480 842
KEGG Reaction Curated 6,644 6,768 6,730
M-CSA Reaction Computed 138 138 136
Enzyme EC number Curated 5,997 7,598 7,321
PubMed Bibliographic citation Curated 17,547 34,518 15,273
ChEBI Compound Curated 12,374 75,194 15,971
GO Enzymes 4,381 4,388 4,376