Structure of the alcaligin outer membrane recepteur FauA from Bordetella pertussis

Experimental Data Snapshot

  • Resolution: 2.33 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.221 

Starting Model: experimental
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Use of an in-house approach to study the three-dimensional structures of various outer membrane proteins: structure of the alcaligin outer membrane transporter FauA from Bordetella pertussis

Brillet, K.Meksem, A.Lauber, E.Reimmann, C.Cobessi, D.

(2009) Acta Crystallogr D Biol Crystallogr 65: 326-331

  • DOI: https://doi.org/10.1107/S0907444909002200
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Bordetella pertussis is the bacterial agent of whooping cough in humans. Under iron-limiting conditions, it produces the siderophore alcaligin. Released to the extracellular environment, alcaligin chelates iron, which is then taken up as a ferric alcaligin complex via the FauA outer membrane transporter. FauA belongs to a family of TonB-dependent outer membrane transporters that function using energy derived from the proton motive force. Using an in-house protocol for membrane-protein expression, purification and crystallization, FauA was crystallized in its apo form together with three other TonB-dependent transporters from different organisms. Here, the protocol used to study FauA is described and its three-dimensional structure determined at 2.3 A resolution is discussed.

  • Organizational Affiliation

    Institut Gilbert-Laustriat, UMR7175 CNRS/Université Louis Pasteur, Strasbourg I, France.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Ferric alcaligin siderophore receptor707Bordetella pertussisMutation(s): 0 
Gene Names: fauABP2463
Membrane Entity: Yes 
Find proteins for Q9X6A5 (Bordetella pertussis)
Explore Q9X6A5 
Go to UniProtKB:  Q9X6A5
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9X6A5
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 2.33 Å
  • R-Value Free: 0.258 
  • R-Value Work: 0.219 
  • R-Value Observed: 0.221 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 165.893α = 90
b = 188.847β = 90
c = 62.437γ = 90
Software Package:
Software NamePurpose
XDSdata reduction
XDSdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-03-31
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 1.2: 2012-06-27
    Changes: Database references
  • Version 1.3: 2023-11-01
    Changes: Data collection, Database references, Derived calculations, Refinement description