Name	Info	Provider	Link
CD28	free resource	BioCyc	https://biocyc.org/gene?orgid=HUMAN&id=HS11297
Gene Ontology annotations from this paper	free resource	Gene Ontology	http://amigo.geneontology.org/amigo/reference/PMID:7544393
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/7544393
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=7544393.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/7544393/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/7544393
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-540
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:7544393
	free resource	Silverchair Information Systems	https://rupress.org/jem/article-lookup/doi/10.1084/jem.182.3.667