4MHL

The crystal structure of human interleukin-11


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.09 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.184 
  • R-Value Observed: 0.189 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

The structure of human interleukin-11 reveals receptor-binding site features and structural differences from interleukin-6.

Putoczki, T.L.Dobson, R.C.Griffin, M.D.

(2014) Acta Crystallogr D Biol Crystallogr 70: 2277-2285

  • DOI: https://doi.org/10.1107/S1399004714012267
  • Primary Citation of Related Structures:  
    4MHL

  • PubMed Abstract: 

    Interleukin (IL)-11 is a multifunctional member of the IL-6 family of cytokines. Recombinant human IL-11 is administered as a standard clinical treatment for chemotherapy-induced thrombocytopaenia. Recently, a new role for IL-11 signalling as a potent driver of gastrointestinal cancers has been identified, and it has been demonstrated to be a novel therapeutic target for these diseases. Here, the crystal structure of human IL-11 is reported and the structural resolution of residues previously identified as important for IL-11 activity is presented. While IL-11 is thought to signal via a complex analogous to that of IL-6, comparisons show important differences between the two cytokines and it is suggested that IL-11 engages GP130 differently to IL-6. In addition to providing a structural platform for further study of IL-11, these data offer insight into the binding interactions of IL-11 with each of its receptors and the structural mechanisms underlying agonist and antagonist variants of the protein.


  • Organizational Affiliation

    Biomolecular Interactions Centre and School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8020, New Zealand.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Interleukin-11177Homo sapiensMutation(s): 0 
Gene Names: IL11
UniProt & NIH Common Fund Data Resources
Find proteins for P20809 (Homo sapiens)
Explore P20809 
Go to UniProtKB:  P20809
GTEx:  ENSG00000095752 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP20809
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.09 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.184 
  • R-Value Observed: 0.189 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 118.862α = 90
b = 28.169β = 90
c = 41.806γ = 90
Software Package:
Software NamePurpose
Blu-Icedata collection
PHASERphasing
REFMACrefinement
XDSdata reduction
Aimlessdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2014-09-03
    Type: Initial release
  • Version 1.1: 2014-10-22
    Changes: Database references
  • Version 1.2: 2023-09-20
    Changes: Data collection, Database references, Derived calculations, Refinement description