ncbi-nuccore	nuccore
ncbi-nucest	nucest
ncbi-nucgss	nucgss
ncbi-nucleotide	nucleotide
ncbi-protein	protein
ncbi-gene	gene
ncbi-homologene	homologene
ncbi-snp	snp
ncbi-mesh	mesh
ncbi-pubmed	pubmed
ebi-ena	ena
ebi-uniprot	uniprot
ebi-uniparc	uniparc
ebi-uniref100	uniref100
ebi-uniref90	uniref90
ebi-uniref50	uniref50
ddbj-ddbj	ddbj
ddbj-dad	dad
pdbj-pdb	pdb
kegg-compound	compound
kegg-drug	drug
kegg-enzyme	enzyme
kegg-genes	genes
kegg-glycan	glycan
kegg-orthology	orthology
kegg-reaction	reaction
kegg-module	module
kegg-pathway	pathway