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Interleukin-4 receptor subunit α

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Target id: 1697

Nomenclature: Interleukin-4 receptor subunit α

Family: IL-2 receptor family

Quaternary Structure: Complexes
Interleukin-4 receptor type I
Interleukin-4 receptor type II
Gene and Protein Information Click here for help
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human 1 825 16p12.1 IL4R interleukin 4 receptor
Mouse 1 810 7 68.94 cM Il4ra interleukin 4 receptor, alpha
Rat 1 801 1q36 Il4r interleukin 4 receptor
Previous and Unofficial Names Click here for help
CD124 | IL-4 receptor alpha chain | interleukin 4 receptor, alpha
Database Links Click here for help
ChEMBL Target
Ensembl Gene
Entrez Gene
Human Protein Atlas

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Key to terms and symbols Click column headers to sort
Antibody Sp. Action Value Parameter Reference
dupilumab Peptide Approved drug Primary target of this compound Immunopharmacology Ligand Hs Binding 11.1 pIC50 2
pIC50 11.1 (IC50 8.8x10-12 M) [2]
Description: Value derived from an ELISA-based solution competition assay.
Immunopharmacology Comments
IL4R is the common ligand binding subunit shared by the IL-4 receptors type I (receptor for IL-4) and type II (receptor for IL-4 and IL-13). A gain-of-function mutation in IL4R has been associated with atopy, enhanced B cell isotype switching from mu to epsilon and therefore elevated IgE levels [1]. This subunit is the molecular target of the investigational monoclonal antibody dupilumab, that is in clinical trial as a therapy for atopic allergic conditions and nasal polyposis.
Immuno Process Associations
Immuno Process:  Cytokine production & signalling
Immuno Process:  Inflammation
Immuno Process:  T cell (activation)
Immuno Process:  B cell (activation)
Immuno Process:  Immune regulation
Immuno Process:  Immune system development
Immuno Process:  Chemotaxis & migration
Immuno Process:  Cellular signalling
Clinically-Relevant Mutations and Pathophysiology Click here for help
Disease:  Human immunodeficiency virus type 1, susceptibility to
Synonyms: Human immunodeficiency virus infectious disease [Disease Ontology: DOID:526]
Disease Ontology: DOID:526
OMIM: 609423
Orphanet: ORPHA319269
References:  3
Disease:  IgE responsiveness, atopic; IGER
OMIM: 147050


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1. Hershey GK, Friedrich MF, Esswein LA, Thomas ML, Chatila TA. (1997) The association of atopy with a gain-of-function mutation in the alpha subunit of the interleukin-4 receptor. N Engl J Med, 337 (24): 1720-5. [PMID:9392697]

2. Martin JH, Huang TT, Fairhurst JL, Papadopoulos NJ. (2009) Cytokine specific immunoglobulin for use in diagnosis, prevention and treatment ,of cell proliferative, inflammatory, allergic, respiratory, autoimmune and arthritic disorders. Patent number: US7608693. Assignee: Regeneron Pharmaceuticals, Inc.. Priority date: 02/10/2006. Publication date: 27/10/2009.

3. Soriano A, Lozano F, Oliva H, García F, Nomdedéu M, De Lazzari E, Rodríguez C, Barrasa A, Lorenzo JI, Del Romero J et al.. (2005) Polymorphisms in the interleukin-4 receptor alpha chain gene influence susceptibility to HIV-1 infection and its progression to AIDS. Immunogenetics, 57 (9): 644-54. [PMID:16189667]

How to cite this page

IL-2 receptor family: Interleukin-4 receptor subunit α. Last modified on 11/04/2017. Accessed on 16/06/2024. IUPHAR/BPS Guide to PHARMACOLOGY,