Interleukin-2 receptor subunit α

Target id: 1695

Nomenclature: Interleukin-2 receptor subunit α

Family: IL-2 receptor family

Annotation status:  image of a grey circle Awaiting annotation/under development. Please contact us if you can help with annotation.  » Email us

   GtoImmuPdb view: OFF :     Interleukin-2 receptor subunit α has curated GtoImmuPdb data

Quaternary Structure: Complexes
Interleukin-2 receptor
Gene and Protein Information
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human 1 272 10p15.1 IL2RA interleukin 2 receptor subunit alpha
Mouse 1 268 Il2ra interleukin 2 receptor, alpha chain
Rat 1 267 Il2ra interleukin 2 receptor subunit alpha
Previous and Unofficial Names
CD25 | TAC antigen | IL2RAC | IL-2R alpha chain | Ly-43 | interleukin 2 receptor
Database Links
DrugBank Target
Ensembl Gene
Entrez Gene
Human Protein Atlas
KEGG Gene
OMIM
UniProtKB
Wikipedia

Download all structure-activity data for this target as a CSV file

Antibodies
Key to terms and symbols Click column headers to sort
Antibody Sp. Action Affinity Units Reference
daclizumab Hs Binding >8.0 pKd 1
pKd >8.0 (Kd <1x10-8 M) [1]
basiliximab Hs Binding - -
Immunopharmacology Comments
IL2RA is a ligand binding component of the IL-2R complex. This subunit is the molecular target of the approved biologics daclizumab (including daclizumab beta) and basiliximab. Another anti-CD25 mAb, inolimomab, has received orphan drug designation from the EMA, for the treatment of graft-versus-host disease. Phase 3 findings for this drug and indication are reported in [2], the major conclusion being that the primary end point for the trial was not met (no statistical difference between the inolimomab and normal standard of care arms of the study).
Immuno Process Associations
Immuno Process:  Inflammation
GO Annotations:  Associated to 3 GO processes
GO:0006954 inflammatory response IBA
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GO:0002437 inflammatory response to antigenic stimulus IEA
GO:0050728 negative regulation of inflammatory response IEA
Immuno Process:  Immune regulation
GO Annotations:  Associated to 10 GO processes
GO:0002664 regulation of T cell tolerance induction IMP
GO:0045589 regulation of regulatory T cell differentiation TAS
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GO:0006924 activation-induced cell death of T cells IEA
GO:0042104 positive regulation of activated T cell proliferation IEA
GO:0042130 negative regulation of T cell proliferation IEA
GO:0045582 positive regulation of T cell differentiation IEA
GO:0046013 regulation of T cell homeostatic proliferation IEA
GO:0050687 negative regulation of defense response to virus IEA
GO:0050728 negative regulation of inflammatory response IEA
GO:0050777 negative regulation of immune response IEA
Immuno Process:  Immune system development
GO Annotations:  Associated to 3 GO processes
GO:0002664 regulation of T cell tolerance induction IMP
GO:0045589 regulation of regulatory T cell differentiation TAS
click arrow to show/hide IEA associations
GO:0045582 positive regulation of T cell differentiation IEA
Immuno Process:  Cytokine production & signalling
GO Annotations:  Associated to 1 GO processes
GO:0004911 interleukin-2 receptor activity IBA
Immuno Process:  T cell (activation)
GO Annotations:  Associated to 6 GO processes, IEA only
GO:0045589 regulation of regulatory T cell differentiation TAS
click arrow to show/hide IEA associations
GO:0006924 activation-induced cell death of T cells IEA
GO:0042104 positive regulation of activated T cell proliferation IEA
GO:0042130 negative regulation of T cell proliferation IEA
GO:0045582 positive regulation of T cell differentiation IEA
GO:0046013 regulation of T cell homeostatic proliferation IEA
Immuno Process:  Chemotaxis & migration
GO Annotations:  Associated to 5 GO processes, IEA only
GO:0045589 regulation of regulatory T cell differentiation TAS
click arrow to show/hide IEA associations
GO:0042104 positive regulation of activated T cell proliferation IEA
GO:0042130 negative regulation of T cell proliferation IEA
GO:0045582 positive regulation of T cell differentiation IEA
GO:0046013 regulation of T cell homeostatic proliferation IEA
Immuno Process:  Cellular signalling
GO Annotations:  Associated to 5 GO processes, IEA only
GO:0045589 regulation of regulatory T cell differentiation TAS
click arrow to show/hide IEA associations
GO:0042104 positive regulation of activated T cell proliferation IEA
GO:0042130 negative regulation of T cell proliferation IEA
GO:0045582 positive regulation of T cell differentiation IEA
GO:0046013 regulation of T cell homeostatic proliferation IEA

References

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1. Queen CL, Schneider WP, Selick HE. (1997) Genetic engineering; complementarity zones. Patent number: US5693761. Assignee: Protein Design Labs, Inc.. Priority date: 28/12/1988. Publication date: 02/12/1997.

2. Socié G, Vigouroux S, Yakoub-Agha I, Bay JO, Fürst S, Bilger K, Suarez F, Michallet M, Bron D, Gard P et al.. (2017) A phase 3 randomized trial comparing inolimomab vs usual care in steroid-resistant acute GVHD. Blood, 129 (5): 643-649. [PMID:27899357]

How to cite this page

IL-2 receptor family: Interleukin-2 receptor subunit α. Last modified on 27/10/2017. Accessed on 20/07/2018. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=1695.