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KEGG Virus Resource

KEGG Virus is an interface to viral genes and genomes, viral diseases and pathways, and antiviral drugs, integrating GENES, GENOME, PATHWAY, NETWORK, DISEASE and DRUG databases, as summarized below.

Virus genes

The virus (T40000) category of the KEGG GENES database is generated from the RefSeq database and given KO annotation. RefSeq GeneID's are used as gene identifiers and the organism code "vg" is used for the entire set of viral genes. For example, vg:3783681 is BALF5 (DNA polymerase catalytic subunit) gene of human herpesvirus 4 (Epstein-Barr virus) with KO annotation of K18964.

Virus genomes

All the viruses present in KEGG GENES are classified according to the NCBI taxonomy identifiers as shown below. Selected viruses are then given T4 identifiers and are now part of the KEGG GENOME database. Note that each T4 entry is a collection of virus genomes with the same taxonomy ID. Note also that T40000 is not part of KEGG GENOME; it simply represents the virus category of KEGG GENES. The selected viruses have relevance to human diseases or plant diseases. T4 entries for human-disease causing viruses are linked from KEGG DISEASE and KEGG BRITE, while those for plant-disease causing viruses appear in KEGG BRITE.


Diseases and pathways


Last updated: December 15, 2017
KEGG GenomeNet Kanehisa Laboratories