Name	Info	Provider	Link
	subscription/membership/fee required	American Chemical Society	https://doi.org/10.1021/acs.biochem.9b00823
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31626532/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31626532
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-NT5E-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1496