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Open data
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Basic information
Entry | Database: PDB / ID: 8tld | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Title | Structure of the IL-5 Signaling Complex | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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![]() | SIGNALING PROTEIN / IL-5 / cytokine / receptor | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Function / homology | ![]() interleukin-5 receptor activity / regulation of interleukin-5 production / positive regulation of eosinophil differentiation / Defective CSF2RB causes SMDP5 / Defective CSF2RA causes SMDP4 / interleukin-5 receptor binding / respiratory gaseous exchange by respiratory system / granulocyte macrophage colony-stimulating factor receptor complex / granulocyte-macrophage colony-stimulating factor signaling pathway / interleukin-5-mediated signaling pathway ...interleukin-5 receptor activity / regulation of interleukin-5 production / positive regulation of eosinophil differentiation / Defective CSF2RB causes SMDP5 / Defective CSF2RA causes SMDP4 / interleukin-5 receptor binding / respiratory gaseous exchange by respiratory system / granulocyte macrophage colony-stimulating factor receptor complex / granulocyte-macrophage colony-stimulating factor signaling pathway / interleukin-5-mediated signaling pathway / positive regulation of leukocyte proliferation / Surfactant metabolism / inflammatory response to antigenic stimulus / cellular response to interleukin-3 / interleukin-3-mediated signaling pathway / cytokine receptor activity / positive regulation of podosome assembly / positive regulation of peptidyl-tyrosine phosphorylation / positive regulation of immunoglobulin production / cytokine binding / immunoglobulin mediated immune response / Interleukin-3, Interleukin-5 and GM-CSF signaling / cell surface receptor signaling pathway via JAK-STAT / Interleukin receptor SHC signaling / coreceptor activity / positive regulation of B cell proliferation / cytokine activity / positive regulation of receptor signaling pathway via JAK-STAT / growth factor activity / cytokine-mediated signaling pathway / signaling receptor activity / RAF/MAP kinase cascade / response to lipopolysaccharide / receptor complex / immune response / inflammatory response / external side of plasma membrane / positive regulation of cell population proliferation / positive regulation of DNA-templated transcription / signal transduction / extracellular space / extracellular region / membrane / plasma membrane Similarity search - Function | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Biological species | ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.6 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Caveney, N.A. / Garcia, K.C. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structure of the interleukin-5 receptor complex exemplifies the organizing principle of common beta cytokine signaling. Authors: Nathanael A Caveney / Grayson E Rodriguez / Christoph Pollmann / Thomas Meyer / Marta T Borowska / Steven C Wilson / Nan Wang / Xinyu Xiang / Karsten D Householder / Pingdong Tao / Leon L Su ...Authors: Nathanael A Caveney / Grayson E Rodriguez / Christoph Pollmann / Thomas Meyer / Marta T Borowska / Steven C Wilson / Nan Wang / Xinyu Xiang / Karsten D Householder / Pingdong Tao / Leon L Su / Robert A Saxton / Jacob Piehler / K Christopher Garcia / ![]() ![]() ![]() Abstract: Cytokines regulate immune responses by binding to cell surface receptors, including the common subunit beta (βc), which mediates signaling for GM-CSF, IL-3, and IL-5. Despite known roles in ...Cytokines regulate immune responses by binding to cell surface receptors, including the common subunit beta (βc), which mediates signaling for GM-CSF, IL-3, and IL-5. Despite known roles in inflammation, the structural basis of IL-5 receptor activation remains unclear. We present the cryo-EM structure of the human IL-5 ternary receptor complex, revealing architectural principles for IL-5, GM-CSF, and IL-3. In mammalian cell culture, single-molecule imaging confirms hexameric IL-5 complex formation on cell surfaces. Engineered chimeric receptors show that IL-5 signaling, as well as IL-3 and GM-CSF, can occur through receptor heterodimerization, obviating the need for higher-order assemblies of βc dimers. These findings provide insights into IL-5 and βc receptor family signaling mechanisms, aiding in the development of therapies for diseases involving deranged βc signaling. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 180.2 KB | Display | ![]() |
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PDB format | ![]() | 121.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 41367MC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 81078.750 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Protein | Mass: 16836.051 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Protein | | Mass: 44590.176 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #4: Sugar | ChemComp-NAG / Has ligand of interest | N | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: IL-5 Receptor Complex / Type: COMPLEX / Entity ID: #1-#3 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 8 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: OTHER / Nominal defocus max: 2000 nm / Nominal defocus min: 800 nm |
Image recording | Electron dose: 59.9 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 418819 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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