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Searching KEGG

The KEGG database is made accessible in two formats. One is the flat-file format for use in simple searches by the DBGET database retrieval system. The other is the relational database format for more sophisticated queries in selected databases.

1. DBGET Search

DBGET has been developed as the backbone retrieval system for the GenomeNet and KEGG services (see the history of development). It is based on a flat-file view of molecular biology databases, where the database is considered as a collection of entries. Thus, any entry of any database can be retrieved by the combination of the database name and the entry name in the form of:
db:entry
DBGET has two basic commands:
bget - to retrieve 'db:entry'
bfind - to find 'db:entry's by keyword search
The keyword search is performed against the following fields of the KEGG database entries (see entry format).

Database name Abbre-
viation
Search fields
kegg pathway path ENTRY, NAME
brite br ENTRY, NAME, and entire text
module md ENTRY, NAME
disease ds ENTRY, NAME
drug dr ENTRY, NAME
environ ev ENTRY, NAME
orthology ko ENTRY, NAME, DEFINITION
genomes genome gn ENTRY, NAME, DEFINITION
egenome egnm ENTRY, NAME, DEFINITION
mgenome mgnm ENTRY, NAME, DEFINITION
genes org code ENTRY, NAME, DEFINITION, ORTHOLOGY
dgenes T number ENTRY, NAME, DEFINITION, ORTHOLOGY
egenes T number ENTRY, NAME, DEFINITION, ORTHOLOGY
mgenes T number ENTRY, NAME, DEFINITION, ORTHOLOGY
ligand compound cpd ENTRY, NAME
glycan gl ENTRY, NAME, COMPOSITION, CLASS
reaction rn ENTRY, NAME, DEFINITION
rpair rp ENTRY, NAME
rclass rc ENTRY, NAME, DEFINITION
enzyme ec ENTRY, NAME
  expression ex ENTRY, DEFINITION
vgenome vgnm ENTRY, DEFINITION
vgenes vg ENTRY, NAME, DEFINITION

2. RDB Search

The search interfaces in the following pages are direct SQL searches against the read-only copy of the internal KEGG database.

Database page Search fields
PATHWAY Entry, Name, Description, Map objects, Map legends
DISEASE Entry, Name, Description, Category, Pathway, Gene
DRUG Entry, Name, Product name, Component
ENVIRON Entry, Name, Category, Source, Component
LIGAND COMPOUND Entry, Name, Formula, Exact mass, Reaction, Pathway, Enzyme, DBlinks
GLYCAN Entry, Name, Composition, Class, Reaction, Pathway, Enzyme, DBlinks
REACTION Entry, Name, RPair, Pathway, Enzyme
RPAIR Entry, Compound, RDM, Type

3. RDB Search in KEGG MEDICUS

KEGG MEDICUS search is an integrated search against drug labels (in Japan and/or the USA) together with relevant KEGG databases. See more details in KEGG MEDICUS.

Last updated: October 7, 2013
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