Name	Info	Provider	Link
	subscription/membership/fee required	American Chemical Society	https://doi.org/10.1021/acs.biochem.1c00400
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34606713/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34606713
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-UBA1-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-136