3DLQ

Crystal structure of the IL-22/IL-22R1 complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.192 
  • R-Value Observed: 0.195 

wwPDB Validation   3D Report Full Report


This is version 1.4 of the entry. See complete history


Literature

Crystal structure of the IL-22/IL-22R1 complex and its implications for the IL-22 signaling mechanism

Bleicher, L.de Moura, P.R.Watanabe, L.Colau, D.Dumoutier, L.Renauld, J.-C.Polikarpov, I.

(2008) FEBS Lett 582: 2985-2992

  • DOI: https://doi.org/10.1016/j.febslet.2008.07.046
  • Primary Citation of Related Structures:  
    3DLQ

  • PubMed Abstract: 

    Interleukin-22 (IL-22) is a member of the interleukin-10 cytokine family, which is involved in anti-microbial defenses, tissue damage protection and repair, and acute phase responses. Its signaling mechanism involves the sequential binding of IL-22 to interleukin-22 receptor 1 (IL-22R1), and of this dimer to interleukin-10 receptor 2 (IL-10R2) extracellular domain. We report a 1.9A crystal structure of the IL-22/IL-22R1 complex, revealing crucial interacting residues at the IL-22/IL-22R1 interface. Functional importance of key residues was confirmed by site-directed mutagenesis and functional studies. Based on the X-ray structure of the binary complex, we discuss a molecular basis of the IL-22/IL-22R1 recognition by IL-10R2.


  • Organizational Affiliation

    Instituto de Física de São Carlos, Universidade de São Paulo, CEP 13560-970 São Carlos, SP, Brazil.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Interleukin-22A [auth I]151Homo sapiensMutation(s): 1 
Gene Names: IL22
UniProt & NIH Common Fund Data Resources
Find proteins for Q9GZX6 (Homo sapiens)
Explore Q9GZX6 
Go to UniProtKB:  Q9GZX6
PHAROS:  Q9GZX6
GTEx:  ENSG00000127318 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9GZX6
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Interleukin-22 receptor subunit alpha-1B [auth R]211Homo sapiensMutation(s): 1 
Gene Names: IL22RA1
UniProt & NIH Common Fund Data Resources
Find proteins for Q8N6P7 (Homo sapiens)
Explore Q8N6P7 
Go to UniProtKB:  Q8N6P7
PHAROS:  Q8N6P7
GTEx:  ENSG00000142677 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8N6P7
Sequence Annotations
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.236 
  • R-Value Work: 0.192 
  • R-Value Observed: 0.195 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 49.244α = 90
b = 79.244β = 94.63
c = 91.996γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
PHASERphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2008-08-19
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2017-10-25
    Changes: Refinement description
  • Version 1.3: 2021-11-10
    Changes: Database references
  • Version 1.4: 2023-11-01
    Changes: Data collection, Refinement description