Name	Info	Provider	Link
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0021-9967&date=1995&volume=363&issue=1&spage=53
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PTPRC-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-71