Name	Info	Provider	Link
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s11356-012-1349-3
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PGR-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-1162