Nomenclature	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2602	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2744	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2745	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2743)	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2760)	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2918
Common abbreviation	–	–	–	CTLA‐4	PD‐1	–
HGNC, UniProt	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:1804, http://www.uniprot.org/uniprot/P31358	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:1700, http://www.uniprot.org/uniprot/P33681	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:1705, http://www.uniprot.org/uniprot/P42081	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:2505, http://www.uniprot.org/uniprot/P16410	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:8760, http://www.uniprot.org/uniprot/Q15116	https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:19319, http://www.uniprot.org/uniprot/Q9UGN4
Endogenous ligands	–	–	–	–	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=9606 (https://www.genenames.org/data/gene-symbol-report/#!/hgnc_id/HGNC:17635, https://www.uniprot.org/uniprot/Q9NZQ7) (Binding)	–
Selective inhibitors	–	abatacept (pK d ∼7.9) [51, 103]	abatacept (pKd ∼7.9) [http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=6891], belatacept [44]	–	–	–
Antibodies	alemtuzumab (http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=6770, 86]	–	–	ipilimumab (Binding) (http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=6888) [30], tremelimumab (Binding) (http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=8462]	pembrolizumab (Binding) (pK d http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=7499 (Binding) (phttp://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=7499 d 9.1) [http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=7335]	–