Statistics (release 113, 2020-06-17)

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

Unique Rhea IDs: 12899

Unique compounds: 11234

Compounds
Type Compounds Reactions
small molecule (ChEBI) 9503 12843
generic compound (Rhea) 1501 2289
polymer (Rhea) 228 268
not chemical (e-, hν) 2 18
Reactions by status
approved 12768
obsolete 113
preliminary 18
Reactions by qualifier
Chemically balanced 12885
Class of reactions 815
Transport 570
Cross references
Database Data type Origin Total Unique
ChEBI Compound Manually curated 64271 10592
IntEnz EC number Manually curated 7030 5691
MetaCyc Reaction Manually curated 8032 7699
EcoCyc Reaction Manually curated 1549 1500
KEGG reaction Reaction Manually curated 6514 6379
Reactome Reaction Automatic via ChEBI IDs 831 782
MACiE Reaction Automatic via ChEBI IDs 139 139
PubMed Bibliographic citation Manually curated 26838 14485