4IWO

Crystal structure and mechanism of activation of TBK1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.61 Å
  • R-Value Free: 0.263 
  • R-Value Work: 0.245 
  • R-Value Observed: 0.246 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structure and mechanism of activation of TANK-binding kinase 1.

Larabi, A.Devos, J.M.Ng, S.L.Nanao, M.H.Round, A.Maniatis, T.Panne, D.

(2013) Cell Rep 3: 734-746

  • DOI: 10.1016/j.celrep.2013.01.034
  • Primary Citation of Related Structures:  
    4IW0, 4IWO, 4IWP, 4IWQ

  • PubMed Abstract: 
  • Tank-binding kinase I (TBK1) plays a key role in the innate immune system by integrating signals from pattern-recognition receptors. Here, we report the X-ray crystal structures of inhibitor-bound inactive and active TBK1 determined to 2.6 Å and 4.0 ...

    Tank-binding kinase I (TBK1) plays a key role in the innate immune system by integrating signals from pattern-recognition receptors. Here, we report the X-ray crystal structures of inhibitor-bound inactive and active TBK1 determined to 2.6 Å and 4.0 Å resolution, respectively. The structures reveal a compact dimer made up of trimodular subunits containing an N-terminal kinase domain (KD), a ubiquitin-like domain (ULD), and an α-helical scaffold dimerization domain (SDD). Activation rearranges the KD into an active conformation while maintaining the overall dimer conformation. Low-resolution SAXS studies reveal that the missing C-terminal domain (CTD) extends away from the main body of the kinase dimer. Mutants that interfere with TBK1 dimerization show significantly reduced trans-autophosphorylation but retain the ability to bind adaptor proteins through the CTD. Our results provide detailed insights into the architecture of TBK1 and the molecular mechanism of activation.


    Organizational Affiliation

    EMBL Grenoble, 6 Rue Jules Horowitz, Grenoble 38042, France.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Serine/threonine-protein kinase TBK1A660Homo sapiensMutation(s): 1 
Gene Names: NAKTBK1
EC: 2.7.11.1
Find proteins for Q9UHD2 (Homo sapiens)
Explore Q9UHD2 
Go to UniProtKB:  Q9UHD2
NIH Common Fund Data Resources
PHAROS  Q9UHD2
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1H4
Query on 1H4

Download CCD File 
A
N-{3-[(5-cyclopropyl-2-{[3-(2-oxopyrrolidin-1-yl)phenyl]amino}pyrimidin-4-yl)amino]propyl}cyclobutanecarboxamide
C25 H32 N6 O2
SLUGBVRQTHMCKF-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.61 Å
  • R-Value Free: 0.263 
  • R-Value Work: 0.245 
  • R-Value Observed: 0.246 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 136.6α = 90
b = 136.6β = 90
c = 87.38γ = 120
Software Package:
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
XDSdata reduction
XDSdata scaling
PHENIXphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 2013-01-24 
  • Released Date: 2013-03-13 
  • Deposition Author(s): Panne, D., Larabi, A.

Revision History 

  • Version 1.0: 2013-03-13
    Type: Initial release
  • Version 1.1: 2013-04-24
    Changes: Non-polymer description
  • Version 1.2: 2013-05-22
    Changes: Database references