1M4R

CRYSTAL STRUCTURE OF RECOMBINANT HUMAN INTERLEUKIN-22


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2 Å
  • R-Value Free: 0.220 
  • R-Value Work: 0.188 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Crystal Structure of Recombinant Human Interleukin-22

Nagem, R.A.P.Colau, D.Dumoutier, L.Renauld, J.-C.Ogata, C.Polikarpov, I.

(2002) Structure 10: 1051-1062


  • PubMed Abstract: 
  • Interleukin-22 (IL-10-related T cell-derived inducible factor/IL-TIF/IL-22) is a novel cytokine belonging to the IL-10 family. Recombinant human IL-22 (hIL-22) was found to activate the signal transducers and activators of transcription factors 1 and ...

    Interleukin-22 (IL-10-related T cell-derived inducible factor/IL-TIF/IL-22) is a novel cytokine belonging to the IL-10 family. Recombinant human IL-22 (hIL-22) was found to activate the signal transducers and activators of transcription factors 1 and 3 as well as acute phase reactants in several hepatoma cell lines, suggesting its involvement in the inflammatory response. The crystallographic structure of recombinant hIL-22 has been solved at 2.0 A resolution using the SIRAS method. Contrary to IL-10, the hIL-22 dimer does not present an interpenetration of the secondary-structure elements belonging to the two distinct polypeptide chains but results from interface interactions between monomers. Structural differences between these two cytokines, revealed by the crystallographic studies, clearly indicate that, while a homodimer of IL-10 is required for signaling, hIL-22 most probably interacts with its receptor as a monomer.


    Related Citations: 
    • Crystallization and Synchrotron X-ray Diffraction Studies of Human Interleukin-22
      Nagem, R.A.P.,Lucchesi, K.W.,Colau, D.,Dumoutier, L.,Renauld, J.-C.,Polikarpov, I.
      (2002) Acta Crystallogr.,Sect.D 58: 529


    Organizational Affiliation

    Laboratório Nacional de Luz Síncrotron, São Paulo, Brazil.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Interleukin-22
A, B
151Homo sapiensGene 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 Å
  • R-Value Free: 0.220 
  • R-Value Work: 0.188 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 55.430α = 90.00
b = 61.610β = 90.00
c = 73.470γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
SHARPphasing
MAR345data collection
CNSrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-07-07
    Type: Initial release
  • Version 1.1: 2008-04-28
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2017-10-11
    Type: Refinement description