3L9U

Crystal Structure of Salmonella enterica serovar Typhimurium DsbL

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.568 Å
  • R-Value Free: 0.184 
  • R-Value Work: 0.150 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history. 

Literature

Structural and functional characterization of three DsbA paralogues from Salmonella enterica serovar typhimurium

Heras, B., Totsika, M., Jarrott, R., Shouldice, S.R., Guncar, G., Achard, M.E.S., Wells, T.J., Argente, M.P., McEwan, A.G., Schembri, M.A.

(2010) J.Biol.Chem. 285: 18423-18432

  • DOI: 10.1074/jbc.M110.101360
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    • In prototypic Escherichia coli K-12 the introduction of disulfide bonds into folding proteins is mediated by the Dsb family of enzymes, primarily through the actions of the highly oxidizing protein EcDsbA. Homologues of the Dsb catalysts are found in ...

    In prototypic Escherichia coli K-12 the introduction of disulfide bonds into folding proteins is mediated by the Dsb family of enzymes, primarily through the actions of the highly oxidizing protein EcDsbA. Homologues of the Dsb catalysts are found in most bacteria. Interestingly, pathogens have developed distinct Dsb machineries that play a pivotal role in the biogenesis of virulence factors, hence contributing to their pathogenicity. Salmonella enterica serovar (sv.) Typhimurium encodes an extended number of sulfhydryl oxidases, namely SeDsbA, SeDsbL, and SeSrgA. Here we report a comprehensive analysis of the sv. Typhimurium thiol oxidative system through the structural and functional characterization of the three Salmonella DsbA paralogues. The three proteins share low sequence identity, which results in several unique three-dimensional characteristics, principally in areas involved in substrate binding and disulfide catalysis. Furthermore, the Salmonella DsbA-like proteins also have different redox properties. Whereas functional characterization revealed some degree of redundancy, the properties of SeDsbA, SeDsbL, and SeSrgA and their expression pattern in sv. Typhimurium indicate a diverse role for these enzymes in virulence.

    Organizational Affiliation: 

    Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia. b.heras@imb.uq.edu.au




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Disulfide isomerase
A
201Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)Mutation(s): 0 
Gene Names: dsbL
Find proteins for Q8ZLZ0 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Go to UniProtKB:  Q8ZLZ0
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.568 Å
  • R-Value Free: 0.184 
  • R-Value Work: 0.150 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 85.582α = 90.00
b = 46.593β = 90.00
c = 60.222γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
PHASERphasing
PDB_EXTRACTdata extraction
PHENIXrefinement
Blu-Icedata collection
DENZOdata reduction

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2010-03-09
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2017-11-01
    Type: Refinement description