Name	Info	Provider	Link
ENPP2	free resource	BioCyc	https://biocyc.org/gene?orgid=HUMAN&id=HS06258
Gene Ontology annotations from this paper	free resource	Gene Ontology	http://amigo.geneontology.org/amigo/reference/PMID:21240271
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/21240271/
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/nsmb.1980
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21240271/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21240271
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-2621
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:21240271