Statistics (release 81, 2017-03-24)

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

Unique Rhea IDs: 9834

Unique compounds: 8576

Compounds
Type Compounds Reactions
small molecule (ChEBI) 7520 9796
generic compound (Rhea) 911 1115
polymer (Rhea) 143 166
not chemical (e-, hν) 2 14
Reactions by status
approved 9757
obsolete 56
preliminary 21
Reactions by qualifier
Chemically balanced 9821
Class of reactions 612
Transport 498
Cross references
Database Data type Origin Total Unique
ChEBI Compound Manually curated 49650 8518
IntEnz EC number Manually curated 6455 5019
UniPathway Reaction Manually curated 1919 1876
MetaCyc Reaction Manually curated 6333 6148
EcoCyc Reaction Manually curated 1425 1386
KEGG reaction Reaction Manually curated 5336 5226
Reactome Reaction Automatic via ChEBI IDs 734 707
MACiE Reaction Automatic via ChEBI IDs 137 137
UniProt Protein Automatic via EC numbers 308363 200744
PubMed Bibliographic citation Manually curated 17245 9994