Statistics for release 116 (2020-12-02)

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

Unique reactions: 13,284

Unique compounds: 11,573

Reaction participants help_outline
Type Participants Reactions
Small molecule (ChEBI) 9,812 13,229
Macromolecule (Rhea) 1,531 2,388
Polymer (Rhea) 230 271
Reactions by status help_outline
Approved 13,262
Preliminary 22
Reactions by qualifier
Chemically balanced 13,274
Transport 586
Cross-references
Database Data type Origin Unique reactions Total reactions
EcoCyc Reaction Curated 1,513 1,537
MetaCyc Reaction Curated 7,877 8,031
Reactome Reaction Computed via ChEBI IDs 856 590
KEGG Reaction Curated 6,432 6,536
Enzyme EC number Curated 5,776 6,926
PubMed Bibliographic citation Curated 15,224 12,170
ChEBI Compound Curated 10,748 13,284