Interleukin 1 receptor, type II

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Identifiers
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External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
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Interleukin 1 receptor, type II (IL-1R2) also known as CD121b (Cluster of Differentiation 121b) is an interleukin receptor. IL1R2 also denotes its human gene.

Function

The protein encoded by this gene is a decoy receptor for certain cytokines that belongs to the interleukin-1 receptor family. This protein binds interleukin-1α (IL1A), interleukin-1β (IL1B), and interleukin 1 receptor antagonist (IL1Ra), preventing them from binding to their regular receptors and thereby inhibiting the transduction of their signaling. IL-1R2 protein also interacts non-productively with the second component of the signalling IL-1 receptor, namely IL-1RAcP,[1] and a complex of the IL-1R2 and IL-1RAcP extracellular domains with interleukin-1 beta has been solved by X-ray crystallography.[2] Interleukin 4 (IL4) is reported to antagonize the activity of interleukin 1 by inducing the expression and release of this cytokine. This gene and three other genes form a cytokine receptor gene cluster on chromosome 2q12. Two alternatively spliced transcript variants encoding the same protein have been reported.[3]

See also

References

  1. Lang, D; Knop, J; Wesche, H; Raffetseder, U; Kurrie, R; Boraschi, D; Martin, MU (1998). "The type II IL-1 receptor interacts with the IL-1 receptor accessory protein: a novel mechanism of regulation of IL-1 responsiveness". Journal of Immunology. 161 (12): 6871–6877.
  2. Wang, Dongli; Zhang, Senyan; Li, Liang; Liu, Xi; Mei, Kunrong; Wang, Xinquan (29 August 2010). "Structural insights into the assembly and activation of IL-1β with its receptors". Nature Immunology. 11 (10): 905–911. doi:10.1038/ni.1925.
  3. "Entrez Gene: IL1R2 interleukin 1 receptor, type II".

Further reading

External links

This article incorporates text from the United States National Library of Medicine, which is in the public domain.