3G9V

Crystal structure of a soluble decoy receptor IL-22BP bound to interleukin-22


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.756 Å
  • R-Value Free: 0.282 
  • R-Value Work: 0.213 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Crystal structure of a soluble decoy receptor IL-22BP bound to interleukin-22

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

(2009) FEBS Lett. 583: 1072-1077

  • DOI: 10.1016/j.febslet.2009.03.006

  • PubMed Abstract: 
  • Interleukin-22 (IL-22) plays an important role in the regulation of immune and inflammatory responses in mammals. The IL-22 binding protein (IL-22BP), a soluble receptor that specifically binds IL-22, prevents the IL-22/interleukin-22 receptor 1 (IL- ...

    Interleukin-22 (IL-22) plays an important role in the regulation of immune and inflammatory responses in mammals. The IL-22 binding protein (IL-22BP), a soluble receptor that specifically binds IL-22, prevents the IL-22/interleukin-22 receptor 1 (IL-22R1)/interleukin-10 receptor 2 (IL-10R2) complex assembly and blocks IL-22 biological activity. Here we present the crystal structure of the IL-22/IL-22BP complex at 2.75 A resolution. The structure reveals IL-22BP residues critical for IL-22 binding, which were confirmed by site-directed mutagenesis and functional studies. Comparison of IL-22/IL-22BP and IL-22/IL-22R1 crystal structures shows that both receptors display an overlapping IL-22 binding surface, which is consistent with the inhibitory role played by IL-22 binding protein.


    Organizational Affiliation

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




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Interleukin 22 receptor, alpha 2
A, C
211Homo sapiensMutation(s): 0 
Gene Names: IL22RA2
Find proteins for Q969J5 (Homo sapiens)
Go to Gene View: IL22RA2
Go to UniProtKB:  Q969J5
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Interleukin-22
B, D
151Homo sapiensMutation(s): 0 
Gene Names: IL22 (ILTIF, ZCYTO18)
Find proteins for Q9GZX6 (Homo sapiens)
Go to Gene View: IL22
Go to UniProtKB:  Q9GZX6
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.756 Å
  • R-Value Free: 0.282 
  • R-Value Work: 0.213 
  • Space Group: P 41
Unit Cell:
Length (Å)Angle (°)
a = 67.948α = 90.00
b = 67.948β = 90.00
c = 172.533γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data reduction
PHASERphasing
PHENIXrefinement
SCALEPACKdata scaling
HKL-2000data collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-04-14
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance