Number of references (2022/12/4)
total68,301
pathway6,503
brite441
module1,081
ko27,508
genome5,801
agenes3,012
glycan837
reaction2,015
enzyme15,802
network2,333
variant1,230
disease10,070

Data-oriented entry points

KEGG databases

Category Entry point Database Content Classification
Systems
information
KEGG PATHWAY PATHWAY KEGG pathway maps Pathway maps
KEGG BRITE BRITE BRITE hierarchies and tables Brite hierarchies
Brite tables
KEGG MODULE
KEGG RModule
MODULE KEGG modules and reaction modules Modules
Reaction modules
Genomic
information
KEGG ORTHOLOGY
KEGG Annotation
KO Functional orthologs KO
KEGG GENES
KEGG SeqData
GENES Genes and proteins
KEGG GENOME
KEGG Virus
GENOME Genomes of cellular organisms and viruses Organisms
Viruses
Chemical
information
KEGG COMPOUND COMPOUND Metabolites and other small molecules Compounds
KEGG GLYCAN GLYCAN Glycans
KEGG REACTION REACTION
RCLASS
Biochemical reactions
Reaction class
KEGG Enzyme ENZYME Enzyme nomenclature with sequence data EC sequence data
Health
information
KEGG NETWORK NETWORK
VARIANT
Disease-related network variations
Human gene variants
Network variation maps
KEGG DISEASE DISEASE Human diseases Human diseases
Infectious diseases
KEGG DRUG DRUG
DGROUP
Drugs
Drug groups
Drugs (ATC)
Drugs (target)
Antiinfectives

Associated tools

Category Entry point Content
Systems
information
KEGG Mapper Suite of KEGG mapping tools
Genomic
information
KEGG Taxonomy Taxonomy mapping tool
KEGG Synteny Genome comparison and synteny analysis tool

Five types of database navigation bars

KEGG2 PATHWAY BRITE MODULE KO GENES  COMPOUND  NETWORK  DISEASE  DRUG
KEGG2 PATHWAY BRITE MODULE KO Annotation Taxonomy Synteny Mapper
KEGG2 PATHWAY BRITE MODULE KO GENES    GENOME    Virus    SeqData    Enzyme
KEGG2 PATHWAY BRITE MODULE KO COMPOUND GLYCAN REACTION RModule
KEGG2 PATHWAY BRITE MODULE KO NETWORK DISEASE DRUG MEDICUS

MEDICUS extension

Category Entry point Database Content
Health
information
KEGG MEDICUS JAPIC Japanese drug labels
DailyMed FDA drug labels (links only)

GenomeNet extension

Category Entry point Database Content
Genomic
information
KEGG Metagenomes MGENES Genes in metagenomes
MGENOME Metagenomes of environmental samples

Organism-specific entry points

KEGG organisms - list of currently available organisms with organism codes and organism group names

Enter    (examples) hsa  mmu  sce  eco  bsu  syn

KEGG is developed by Kanehisa Laboratories. See Kanehisa et al. (2021) for updates of KEGG.


Other tools for analysis and retrieval

DBGET
Integrated database retrieval system [entry format]
BlastKOALA
Automatic KO assignment by BLASTP sequence similarity search
GhostKOALA
Automatic KO assignment by GHOSTX sequence similarity search
KofamKOALA
Automatic KO assignment by HMM profile search (served by GenomeNet)
BLAST/FASTA
Sequence similarity search (served by GenomeNet)
SIMCOMP/SUBCOMP
Chemical structure similarity search (served by GenomeNet)
KEGG API
REST-style API for accessing KEGG database [document]
KEGG WebLinks
REST-style URLs for accessing KEGG web pages [document]
KGML
XML representation of KEGG pathways [document]

See more tools at GenomeNet.


Last updated: October 1, 2022