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Current Statistics

KEGG Database as of 2026/1/18
Systems information
KEGG PATHWAY KEGG pathway maps 584
KEGG BRITE BRITE hierarchies and tables 203
KEGG MODULE KEGG modules
Reaction modules
570
48
Genomic information
KEGG ORTHOLOGY KEGG Orthology (KO) groups 28,039
KEGG GENES Genes in KEGG organisms
Addendum proteins
Viral genes
Viral mature peptides
64,356,288
4,376
688,601
377
KEGG GENOME KEGG organisms
(1276 eukaryotes, 9747 bacteria, 453 archaea)
KEGG selected viruses (T4 category)
KEGG viruses (Vtax category)
11,476

359
14,382
Chemical information
KEGG COMPOUND Metabolites and other chemical substances 19,569
KEGG GLYCAN Glycans 11,246
KEGG REACTION Biochemical reactions
Reaction class
12,381
3,208
KEGG ENZYME Enzyme nomenclature 6,942
Health information
KEGG NETWORK Disease-related network elements
Network variation maps
1,569
150
KEGG VARIANT Human gene variants 1,826
KEGG DISEASE Human diseases 3,021
KEGG DRUG Drugs
Drug groups
12,769
2,532
Drug labels
KEGG MEDICUS Japanese prescription drug labels from JAPIC
Japanese OTC drug labels from JAPIC
11,687
9,880
KEGG MEDICUS FDA prescription drug labels linked to DailyMed 34,527



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