5HN1

Crystal structure of Interleukin-37


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.217 
  • R-Value Work: 0.182 
  • R-Value Observed: 0.184 

wwPDB Validation   3D Report Full Report


This is version 1.4 of the entry. See complete history


Literature

Homodimerization attenuates the anti-inflammatory activity of interleukin-37.

Ellisdon, A.M.Nold-Petry, C.A.D'Andrea, L.Cho, S.X.Lao, J.C.Rudloff, I.Ngo, D.Lo, C.Y.Soares da Costa, T.P.Perugini, M.A.Conroy, P.J.Whisstock, J.C.Nold, M.F.

(2017) Sci Immunol 2

  • DOI: 10.1126/sciimmunol.aaj1548
  • Primary Citation of Related Structures:  
    5HN1

  • PubMed Abstract: 
  • Dysregulation of the inflammatory response underlies numerous diseases. Although most interleukin-1 family cytokines are proinflammatory, human interleukin-37 (IL-37) is a powerful, broad-spectrum inhibitor of inflammation and immunity. We determined the crystal structure of IL-37 to establish the anti-inflammatory mechanism of this key cytokine in view of developing IL-37-based therapies ...

    Dysregulation of the inflammatory response underlies numerous diseases. Although most interleukin-1 family cytokines are proinflammatory, human interleukin-37 (IL-37) is a powerful, broad-spectrum inhibitor of inflammation and immunity. We determined the crystal structure of IL-37 to establish the anti-inflammatory mechanism of this key cytokine in view of developing IL-37-based therapies. We found that two β-trefoil fold IL-37 molecules form a head-to-head dimer that is stable in solution. IL-37 variants mutated to convert the cytokine into an obligate monomer were up to 13-fold more effective than the dimer in suppressing proinflammatory events both in primary human blood cells and in vivo in murine endotoxic shock. Therapeutic exploitation of the powerful anti-inflammatory properties of monomeric IL-37 may prove beneficial in treating a wide range of inflammatory and autoimmune disorders.


    Organizational Affiliation

    Department of Paediatrics, Monash University, Melbourne, Victoria 3168, Australia.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Interleukin-37A, B175Homo sapiensMutation(s): 0 
Gene Names: IL37FIL1ZIL1F7IL1H4IL1RP1
Find proteins for Q9NZH6 (Homo sapiens)
Explore Q9NZH6 
Go to UniProtKB:  Q9NZH6
NIH Common Fund Data Resources
PHAROS:  Q9NZH6
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.217 
  • R-Value Work: 0.182 
  • R-Value Observed: 0.184 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 59.578α = 90
b = 103.505β = 90
c = 77.531γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Health and Medical Research Council (NHMRC, Australia)Australia1012353
National Health and Medical Research Council (NHMRC, Australia)Australia1043845

Revision History  (Full details and data files)

  • Version 1.0: 2017-02-22
    Type: Initial release
  • Version 1.1: 2017-08-23
    Changes: Data collection, Database references
  • Version 1.2: 2017-09-20
    Changes: Author supporting evidence
  • Version 1.3: 2017-11-01
    Changes: Author supporting evidence
  • Version 1.4: 2020-01-08
    Changes: Author supporting evidence