4JLC

Crystal structure of mouse TBK1 bound to SU6668

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.234 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history. 

Literature

Structural Insights into the Functions of TBK1 in Innate Antimicrobial Immunity.

Shu, C., Sankaran, B., Chaton, C.T., Herr, A.B., Mishra, A., Peng, J., Li, P.

(2013) Structure 21: 1137-1148

  • DOI: 10.1016/j.str.2013.04.025
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    • Tank-binding kinase 1 (TBK1) is a serine/threonine protein-kinase mediating innate antimicrobial immunity. TBK1 is involved in the signaling of TLRs, RLRs, and STING-mediated sensing of cytosolic DNA. Stimulation of these receptors results in the act ...

    Tank-binding kinase 1 (TBK1) is a serine/threonine protein-kinase mediating innate antimicrobial immunity. TBK1 is involved in the signaling of TLRs, RLRs, and STING-mediated sensing of cytosolic DNA. Stimulation of these receptors results in the activation of TBK1, which phosphorylates interferon regulatory factor (IRF)-3. Phosphorylated IRF-3 translocates into the nucleus to initiate the transcription of the interferon (IFN)-β gene. Here, we show that TBK1 is activated by autophosphorylation at residue Ser172. Structures of TBK1 bound to two inhibitors showed that TBK1 has the IκB kinase fold with three distinct domains: the kinase domain, the ubiquitin-like domain, and the scaffold and dimerization domain. However, the overall structures of the TBK1 monomer and its dimer are different from IKKβ in the arrangements of the three domains and in dimer formation. Phosphorylation of IRF-3 by TBK1 in vitro results in its oligomerization, and phosphorylation of residue Ser386 plays a key role in IRF-3 activation.

    Organizational Affiliation: 

    Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843-2128, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Serine/threonine-protein kinase TBK1
A
657Mus musculusMutation(s): 0 
Gene Names: Tbk1
EC: 2.7.11.1
Find proteins for Q9WUN2 (Mus musculus)
Go to UniProtKB:  Q9WUN2
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SU6
Query on SU6
Download SDF File 
Download CCD File 
A
3-{2,4-dimethyl-5-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-1H-pyrrol-3-yl}propanoic acid
SU6668
C18 H18 N2 O3
NHFDRBXTEDBWCZ-ZROIWOOFSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.234 
  • Space Group: P 32 2 1
Unit Cell:
Length (Å)Angle (°)
a = 140.480α = 90.00
b = 140.480β = 90.00
c = 86.560γ = 120.00
Software Package:
Software NamePurpose
SCALAdata scaling
MOLREPphasing
MOSFLMdata reduction
ADSCdata collection
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots


View more in-depth experimental data

Entry History 

Deposition Data

  • Deposited Date: 2013-03-12 
  • Released Date: 2013-06-19 
  • Deposition Author(s): Li, P.

Revision History 

  • Version 1.0: 2013-06-19
    Type: Initial release
  • Version 1.1: 2013-07-17
    Type: Database references