Ontology (4)   
   KEGG BRITE (4)   
Pathway (460)   
   KEGG PATHWAY (460)   
Chemical substance (3)   
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Gene (795)   
   KEGG ORTHOLOGY (5)   
   KEGG GENES (465)   
   KEGG DGENES (11)   
   KEGG EGENES (314)   
Protein sequence (518)   
   UniProt (311)   
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DNA sequence (231)   
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3D Structure (16)   
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Protein domain (3)   
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All databases (2033)