sintilimab   Click here for help

GtoPdb Ligand ID: 12990

Synonyms: IBI 308 | IBI-308 | IBI308 | Tyvyt®
Approved drug Immunopharmacology Ligand
sintilimab is an approved drug (China (2018))
Compound class: Antibody
Comment: Sintilimab (IBI 308) is a fully human IgG4 anti-programmed cell death 1 (PD-1) monoclonal antibody [5]. It acts as an immune checkpoint inhibitor and is used clinically as an immuno-oncology therapeutic.
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Bioactivity Comments
Sintilimab binds weakly to rabbit PD-1 and does not bind to mouse or rat PD-1 [5]. It inhibits binding of PD-L1 to PD-1 on CHO cells with an IC50 of ~4μg/ml.
Selectivity at other protein targets
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
programmed cell death 1 (CD279) Primary target of this compound Hs Antibody Binding 9.6 pKd - 5
pKd 9.6 (Kd 2.5x10-10 M) [5]
programmed cell death 1 (CD279) Monkey Antibody Binding 9.4 pKd - 5
pKd 9.4 (Kd 4.5x10-10 M) [5]