Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0014-4835(21)00470-X
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/34954205/
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=34954205.ui
	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-51