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Wikidata is not a life sciences database, but a general database related to Wikipedia [Q118130164]. That said, various research groups have started using Wikidata for the life sciences [Q87830400,Q105037759]. For example, CAS registry numbers in Wikidata and Wikipedia have been validated against the Common Chemistry database [Q111987319], and Wikidata has been used to make chemicals in taxon available in the LOTUS project [Q112143478].
The RDF contains all pathways, their datanodes (genes, proteins, metabolites, etc.), author information, molecular descriptors, and more. The main classes are:
- Pathway: a biological pathway
- GeneProduct: can be a gene, strand of RNA, and a protein.
- Rna: RNA, e.g. miRNA.
- Protein: a protein. Post-translational modifications can be indicated with states
- Metabolite: metabolites, ions, and other small molecules. It includes peptides.
...
We can list proteins with the following query:
wikidataProteins
which gives:
wikidataProteins
We can also list chemicals, with this query:
wikidataChemicals
which gives:
wikidataChemicals