(Note) The mapping is based on the KEGG identifiers for molecular objects shown below.
| Prefix |
Type |
KEGG identifier |
| br |
Reference hierarchy (BR) |
C/G/D/R numbers |
| ko |
Reference hierarchy (KO) |
K number |
| org |
Organism-specific hierarchy |
gene identifier |
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Last updated: December 1, 2009
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