4ZV0

Structure of Tse6 in complex with Tsi6


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.40 Å
  • R-Value Free: 0.164 
  • R-Value Work: 0.146 
  • R-Value Observed: 0.147 

wwPDB Validation   3D Report Full Report


This is version 2.0 of the entry. See complete history


Literature

An Interbacterial NAD(P)(+) Glycohydrolase Toxin Requires Elongation Factor Tu for Delivery to Target Cells.

Whitney, J.C.Quentin, D.Sawai, S.LeRoux, M.Harding, B.N.Ledvina, H.E.Tran, B.Q.Robinson, H.Goo, Y.A.Goodlett, D.R.Raunser, S.Mougous, J.D.

(2015) Cell 163: 607-619

  • DOI: https://doi.org/10.1016/j.cell.2015.09.027
  • Primary Citation of Related Structures:  
    4ZUY, 4ZV0, 4ZV4

  • PubMed Abstract: 

    Type VI secretion (T6S) influences the composition of microbial communities by catalyzing the delivery of toxins between adjacent bacterial cells. Here, we demonstrate that a T6S integral membrane toxin from Pseudomonas aeruginosa, Tse6, acts on target cells by degrading the universally essential dinucleotides NAD(+) and NADP(+). Structural analyses of Tse6 show that it resembles mono-ADP-ribosyltransferase proteins, such as diphtheria toxin, with the exception of a unique loop that both excludes proteinaceous ADP-ribose acceptors and contributes to hydrolysis. We find that entry of Tse6 into target cells requires its binding to an essential housekeeping protein, translation elongation factor Tu (EF-Tu). These proteins participate in a larger assembly that additionally directs toxin export and provides chaperone activity. Visualization of this complex by electron microscopy defines the architecture of a toxin-loaded T6S apparatus and provides mechanistic insight into intercellular membrane protein delivery between bacteria.


  • Organizational Affiliation

    Department of Structural Biochemistry, Max Planck Institute of Molecular Physiology, Otto-Hahn-Strasse 11, 44227 Dortmund, Germany.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
antibacterial effector secreted protein (type VI secretion system)163Pseudomonas aeruginosa PAO1Mutation(s): 0 
Gene Names: PA0093
UniProt
Find proteins for Q9I739 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Explore Q9I739 
Go to UniProtKB:  Q9I739
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9I739
Sequence Annotations
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Tse6-binding/Tse6 immunity protein94Pseudomonas aeruginosa PAO1Mutation(s): 0 
Gene Names: PA0092
UniProt
Find proteins for Q9I740 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Explore Q9I740 
Go to UniProtKB:  Q9I740
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9I740
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
MSE
Query on MSE
A
L-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.40 Å
  • R-Value Free: 0.164 
  • R-Value Work: 0.146 
  • R-Value Observed: 0.147 
  • Space Group: P 65
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 83.209α = 90
b = 83.209β = 90
c = 83.758γ = 120
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)United StatesAI080609
Defense Threat Reduction Agency (DTRA)United StatesHDTRA-1-13-014

Revision History  (Full details and data files)

  • Version 1.0: 2015-11-11
    Type: Initial release
  • Version 1.1: 2017-09-20
    Changes: Author supporting evidence, Derived calculations
  • Version 1.2: 2019-04-24
    Changes: Author supporting evidence, Data collection
  • Version 1.3: 2019-12-11
    Changes: Author supporting evidence
  • Version 2.0: 2023-11-15
    Changes: Atomic model, Data collection, Database references