anifrolumab   Click here for help

GtoPdb Ligand ID: 8258

Synonyms: MDX-1333 | MEDI-546
Immunopharmacology Ligand
Compound class: Antibody
Comment: Anifrolumab is a monoclonal antibody targeting IFNAR1 (the receptor for α, β and ω interferons), being developed by the MedImmune subsidiary of AstraZeneca as a treatment for systemic lupus erythematosus (SLE).
Peptide sequence and structural information for this antibody are available from its IMGT/mAb-db record. [3]. Sequence BLAST using the heavy and light chain variable regions of anifrolumab provides 100% matches to sequences patented with application US7662381 [3]. The sequence matches identify anifrolumab as clone 11E2 in the patent.
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Bioactivity Comments
Anifrolumab inhibits the antiproliferative effect of IFNω on Daudi cells with an EC50 value of 0.3nM [3].
Selectivity at catalytic receptors
Key to terms and symbols Click column headers to sort
Target Sp. Type Action Value Parameter Concentration range (M) Reference
interferon α/β receptor 1 Primary target of this compound Hs Antibody Binding >10.0 pKd - 3
pKd >10.0 (Kd <1x10-10 M) [3]