Skip to main content
. 2007 Dec 12;36(Database issue):D480–D484. doi: 10.1093/nar/gkm882

Table 2.

KEGG object identifiers

Release Database Object identifier
1995 KEGG PATHWAY map number
KEGG GENOME organism code (T number)
KEGG GENES locus_tag/NCBI GeneID
KEGG ENZYME EC number
KEGG COMPOUND C number
2001 KEGG REACTION R number
2002 KEGG ORTHOLOGY K number
2003 KEGG GLYCAN G number
2004 KEGG RPAIR A number
2005 KEGG BRITE br number
KEGG DRUG D number
2008 KEGG MODULE M number
KEGG DISEASE H number