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quavonlimab   Click here for help

GtoPdb Ligand ID: 13890

Synonyms: MK-1308 | MK1308
Immunopharmacology Ligand
Compound class: Antibody
Comment: Quavonlimab (MK-1308) is a humanized IgG1 anti-CTLA-4 monoclonal antibody [1]. It blocks the inhibitory CTLA-4/CD80/CD86 immune checkpoint, as a mechanism to reactivate anti-tumour immune surveillance.
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Bioactivity Comments
Blocks binding of CD80 and CD86 to CTLA-4 with IC50 values of 190 and 93 ng/mL repectively [1].
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
cytotoxic T-lymphocyte-associated protein 4 (CD152) Hs Antibody Binding 8.4 – 9.9 pKd - 1
pKd 9.9 (Kd 1.4x10-10 M) [1]
Description: Binding affinity in a cell-based assay
pKd 8.4 (Kd 3.6x10-9 M) [1]
Description: Binding affinity determined by SPR