KEGG Database Entry Format

The KEGG database is developed and maintained internally in a relational database, but it is distributed in the flat-file format where the database is considered as a collection of entries. This document describes the database entry field names in the web page and the corresponding flat file. It also summarizes the fields searched by DBGET.

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Database Entry Fields

The content of each field is described in the link from "Web page".

PATHWAY Web page       Flat file Entry ENTRY Name NAME Description DESCRIPTION Class CLASS Pathway map PATHWAY_MAP Module MODULE Network NETWORK   Element   ELEMENT Disease DISEASE Drug DRUG Other DBs DBLINKS Organism ORGANISM Orthology ORTHOLOGY Gene GENE Enzyme ENZYME Reaction REACTION Compound COMPOUND Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL Related pathway REL_PATHWAY KO pathway KO_PATHWAY

BRITE Web page       Flat file Entry ENTRY Name NAME Class CLASS Hierarchy Table HIERARCHY TABLE Other DBs DBLINKS Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL

MODULE Web page       Flat file Entry ENTRY (for M entry) Name NAME Definition DEFINITION Diagram - Orthology ORTHOLOGY Class CLASS Pathway PATHWAY Brite BRITE Reaction REACTION Compound COMPOUND RModule RMODULE Comment COMMENT Other DBs DBLINKS Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL Entry ENTRY (for RM enty) Name NAME Definition DEFINITION Class CLASS GROUP Group MODULE Module

KO Web page       Flat file Entry ENTRY Symbol SYMBOL Name NAME Pathway PATHWAY Module MODULE Network NETWORK   Element   ELEMENT Disease DISEASE Brite BRITE Other DBs DBLINKS Genes GENES Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL   Sequence   SEQUENCE

GENES Web page       Flat file Entry ENTRY Symbol SYMBOL Name NAME   KO ORTHOLOGY Organism Virus ORGANISM VIRUS Pathway PATHWAY Module MODULE Network NETWORK   Element   ELEMENT Disease DISEASE Drug target DRUG_TARGET Brite BRITE SSDB - Motif MOTIF Other DBs DBLINKS Position POSITION AA seq AASEQ NT seq NTSEQ

GENOME Web page       Flat file Entry ENTRY (for T entry) Org code ORG_CODE Name NAME Category CATEGORY Annotation ANNOTATION Taxonomy TAXONOMY   Lineage   LINEAGE Data source DATA_SOURCE Original DB ORIGINAL_DB Keywords KEYWORDS Disease DISEASE Comment COMMENT Chromosome CHROMOSOME Plasmid PLASMID Statistics STATISTICS Other DBs DBLINKS Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL Entry ENTRY (for T4 entry) Name NAME   Vtax   VTAX Taxonomy TAXONOMY   Lineage   LINEAGE   Sequence   SEQUENCE Disease DISEASE   Host   HOST   Reservoir   RESERVOIR Other DBs DBLINKS Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL Entry ENTRY (for Vtax entry) Name NAME   Gn   GN Taxonomy TAXONOMY   Lineage   LINEAGE   Sequence   SEQUENCE Other DBs DBLINKS Gene GENE Pept PEPT

COMPOUND Web page       Flat file Entry ENTRY Name NAME Formula FORMULA Exact mass EXACT_MASS Mol weight MOL_WEIGHT Structure (gif image) Sequence SEQUENCE Remark REMARK Comment COMMENT Reaction REACTION Pathway PATHWAY Module MODULE Enzyme ENZYME Brite BRITE Reference REFERENCE Other DBs DBLINKS KCF data ATOM / BOND / BRACKET

GLYCAN Web page       Flat file Entry ENTRY Name NAME Composition COMPOSITION Mass MASS Structure (gif image) Remark REMARK Comment COMMENT Reaction REACTION Pathway PATHWAY Module MODULE Enzyme ENZYME Orthology ORTHOLOGY Brite BRITE Reference REFERENCE Other DBs DBLINKS KCF data NODE / EDGE / BRACKET

REACTION Web page       Flat file Entry ENTRY Name NAME Definition DEFINITION Equation EQUATION (blank) (gif image) Remark REMARK Comment COMMENT Reaction class RCLASS Enzyme ENZYME Pathway PATHWAY Orthology ORTHOLOGY Reference REFERENCE

RCLASS Web page       Flat file Entry ENTRY Definition DEFINITION (blank) (gif image) Reactant pair RPAIR Related class - Reaction REACTION Enzyme ENZYME Pathway PATHWAY Orthology ORTHOLOGY

ENZYME Web page       Flat file Entry ENTRY Name NAME Class CLASS Sysname SYSNAME Reaction(IUBMB) REACTION Reaction(KEGG) ALL_REAC Substrate SUBSTRATE Product PRODUCT Comment COMMENT Pathway PATHWAY Orthology ORTHOLOGY Genes GENES Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL   Sequence   SEQUENCE Other DBs DBLINKS

NETWORK Web page       Flat file Entry ENTRY (for N entry) Name NAME Definition DEFINITION   Expanded   EXPANDED Class CLASS Type TYPE Pathway PATHWAY Disease DISEASE Gene GENE Variant VARIANT Perturbant PERTURBANT Metabolite METABOLITE Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL Entry ENTRY (for nt entry) Name NAME Category CATEGORY Map MAP Disease DISEASE Other DBs DBLINKS Member MEMBER

VARIANT Web page       Flat file Entry ENTRY Name NAME Gene GENE Organism ORGANISM Variation VARIATION Network NETWORK Drug target DRUG_TARGET Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL

DISEASE Web page       Flat file Entry ENTRY Name NAME Description DESCRIPTION Category CATEGORY Brite BRITE Disease pathway DIS_PATHWAY Pathway PATHWAY Network NETWORK Gene GENE Pathogen PATHOGEN Drug DRUG Comment COMMENT Other DBs DBLINKS Reference REFERENCE   Authors   AUTHORS   Title   TITLE   Journal   JOURNAL

DRUG Web page       Flat file Entry ENTRY Name NAME   Abbr   ABBR Product PRODUCT Formula FORMULA Exact mass EXACT_MASS Mol weight MOL_WEIGHT Structure (gif image) Simcomp - Component COMPONENT Sequence SEQUENCE   Type   TYPE Source SOURCE Class CLASS Remark REMARK Efficacy EFFICACY   Disease   DISEASE   Type   TYPE Comment COMMENT Target TARGET   Network   NETWORK   Pathway   PATHWAY Metabolism METABOLISM Interaction INTERACTION Biosynthesis SYN_MAP Structure map STR_MAP Other map OTHER_MAP Brite BRITE Other DBs DBLINKS KCF data ATOM / BOND / BRACKET

DGROUP Web page       Flat file Entry ENTRY Name NAME   Abbr   ABBR   Stem   STEM Type TYPE Structure (gif image) Member MEMBER Class CLASS Remark REMARK Comment COMMENT

DBGET Search Fields

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. The keyword search is performed against the following fields.

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Last updated: January 1, 2024

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