Statistics (release 115, 2020-10-07)

In order to avoid redundancy, the number of reactions here refers only to non-obsolete, master reactions, i.e. with unspecified direction.

Unique Rhea IDs 13,117

Unique compounds 11,457

Compounds
Type Compounds Reactions
small molecule (ChEBI) 9,711 13,062
generic compound (Rhea) 1,516 2,355
polymer (Rhea) 230 271
Reactions by status
Approved 13,095
Preliminary 22
Reactions by qualifier
Chemically balanced 13,107
Transport 581
Crossreferences
Database Data type Origin Unique Total reactions
EcoCyc Reaction Manually curated 1,510 1,533
MetaCyc Reaction Manually curated 7,820 7,971
Reactome Reaction Automatic via ChEBI IDs 855 588
KEGG Reaction Manually curated 6,405 6,507
Enzyme EC number Manually curated 5,764 6,889
PubMed Bibliographic citation Manually curated 14,941 11,920
ChEBI Compound Manually curated 10,631 13,117