Cited by 195Cytokine Signaling Pathways and InteractionsPsoriasis: Treatment and PathogenesisReceptor Mechanisms and Signaling

Structural basis of receptor sharing by interleukin 17 cytokines

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Ely, Lauren K, Fischer, Suzanne, Garcia, K Christopher·2009·Nature Immunology

Abstract

Interleukin 17 (IL-17)-producing helper T cells (T(H)-17 cells), together with their effector cytokines, including members of the IL-17 family, are emerging as key mediators of chronic inflammatory and autoimmune disorders. Here we present the crystal structure of a complex of IL-17 receptor A (IL-17RA) bound to IL-17F in a 1:2 stoichiometry. The mechanism of complex formation was unique for cytokines and involved the engagement of IL-17 by two fibronectin-type domains of IL-17RA in a groove between the IL-17 homodimer interface. Binding of the first receptor to the IL-17 cytokines modulated the affinity and specificity of the second receptor-binding event, thereby promoting heterodimeric versus homodimeric complex formation. IL-17RA used a common recognition strategy to bind to several members of the IL-17 family, which allows it to potentially act as a shared receptor in multiple different signaling complexes.

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  • IL-17A signaling is mediated through IL-17 receptor A (IL-17RA) and IL-17RC.

    “IL-17A signaling is mediated through IL-17 receptor A (IL-17RA) and IL-17RC,74,75”

    From The Innate Immune System in Acute and Chronic Wounds (2016) · cites this paper as [74]

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Authors
Ely, L. K., Fischer, S., & Garcia, K. C.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Nature Immunology
Published
2009-10-18
Volume
10
Issue
12
Pages
1245-1251
ISSN
  • 1529-2908 (ISSN-L)
  • 1529-2916
OpenAlex
W2166087321
Cited by
195
References
48
Citations by year
2026: 9 · 2025: 9 · 2024: 3 · 2023: 5 · 2022: 12 · 2021: 14 · 2020: 10 · 2019: 9 · 2018: 4 · 2017: 16 · 2016: 13 · 2015: 17 · 2014: 11 · 2013: 15 · 2012: 19
FWCI
7.99
Type
journal article
Language
en
Open access
Locations
  • Nature Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute of Allergy and Infectious Diseases (AI 51321, R37AI051321, R01AI051321)
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
Keywords
IL-17, IL-17RA, IL-17F, cytokine-receptor complex, crystal structure, Th17 cells, receptor specificity, cytokine signaling
MeSH terms
Amino Acid Sequence, Cell Line, Humans, Models, Molecular, Molecular Sequence Data, Sequence Alignment, Conserved Sequence, Protein Structure, Tertiary, Crystallography, X-Ray, Interleukin-17, Protein Structure, Quaternary, Receptors, Interleukin-17, Protein Multimerization

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