datasource numberEntries
Entrez Gene
17519
Ensembl
17047
Reactome
12571
Uniprot-TrEMBL
12157
ChEBI
2695
WikiPathways
2357
HMDB
942
SGD
754
WormBase
627
KEGG Compound
455
TAIR
411
PubChem-compound
408
Wikidata
381
Enzyme Nomenclature
323
CAS
303
LIPID MAPS
284
HGNC
222
RGD
218
Chemspider
183
MGI
171
miRBase mature sequence
168
KNApSAcK
126
ZFIN
109
NCBI Protein
87
miRBase Sequence
83
Ensembl Plants
72
TubercuList
37
EMBL
31
KEGG Pathway
27
KEGG Glycan
24
InterPro
24
KEGG Genes
22
GenBank
17
FlyBase
15
Pfam
11
BRENDA
10
Complex Portal
10
ChEMBL compound
7
HGNC Accession number
7
RefSeq
5
GeneOntology
3
PubChem-substance
3
IntAct
2
HomoloGene
2
TTD Drug
1
KEGG Drug
1
EcoGene
1
DrugBank
1
OMIM
1