2O5P

Crystal structure of the full length ferric pyoverdine outer membrane receptor FpvA of Pseudomonas aeruginosa in its apo form


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.77 Å
  • R-Value Free: 0.247 
  • R-Value Work: 0.208 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

A beta strand lock exchange for signal transduction in TonB-dependent transducers on the basis of a common structural motif.

Brillet, K.Journet, L.Celia, H.Paulus, L.Stahl, A.Pattus, F.Cobessi, D.

(2007) Structure 15: 1383-1391

  • DOI: 10.1016/j.str.2007.08.013

  • PubMed Abstract: 
  • Transport of molecules larger than 600 Da across the outer membrane involves TonB-dependent receptors and TonB-ExbB-ExbD of the inner membrane. The transport is energy consuming, and involves direct interactions between a short N-terminal sequence of ...

    Transport of molecules larger than 600 Da across the outer membrane involves TonB-dependent receptors and TonB-ExbB-ExbD of the inner membrane. The transport is energy consuming, and involves direct interactions between a short N-terminal sequence of receptor, called the TonB box, and TonB. We solved the structure of the ferric pyoverdine (Pvd-Fe) outer membrane receptor FpvA from Pseudomonas aeruginosa in its apo form. Structure analyses show that residues of the TonB box are in a beta strand which interacts through a mixed four-stranded beta sheet with the periplasmic signaling domain involved in interactions with an inner membrane sigma regulator. In this conformation, the TonB box cannot form a four-stranded beta sheet with TonB. The FhuA-TonB or BtuB-TonB structures show that the TonB-FpvA interactions require a conformational change which involves a beta strand lock-exchange mechanism. This mechanism is compatible with movements of the periplasmic domain deduced from crystallographic analyses of FpvA, FpvA-Pvd, and FpvA-Pvd-Fe.


    Organizational Affiliation

    Institut Gilbert-Laustriat, UMR7175 CNRS/Université Louis Pasteur, Strasbourg I, Département Récepteurs et Protéines Membranaires, Ecole Supérieure de Biotechnologie de Strasbourg, BP 10413, F-67412 Illkirch, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Ferripyoverdine receptor
A, B
772Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)Mutation(s): 0 
Gene Names: fpvA
Membrane protein
mpstruct
Group: 
TRANSMEMBRANE PROTEINS: BETA-BARREL
Sub Group: 
Beta-Barrel Membrane Proteins: Monomeric/Dimeric
Protein: 
FpvA, Pyoverdine receptor
Find proteins for P48632 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Go to UniProtKB:  P48632
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PO4
Query on PO4

Download SDF File 
Download CCD File 
A, B
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
N8E
Query on N8E

Download SDF File 
Download CCD File 
A
3,6,9,12,15-PENTAOXATRICOSAN-1-OL
N-OCTYLPENTAOXYETHYLENE; PENTAETHYLENE GLYCOL MONOOCTYL ETHER; OCTYLPENTAGLYCOL N-OCTYLPENTAOXYETHYLENE
C18 H38 O6
MJELOWOAIAAUJT-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.77 Å
  • R-Value Free: 0.247 
  • R-Value Work: 0.208 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 189.880α = 90.00
b = 128.780β = 130.55
c = 139.150γ = 90.00
Software Package:
Software NamePurpose
SCALAdata scaling
REFMACrefinement
ADSCdata collection
XDSdata reduction
MOLREPphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2006-12-06 
  • Released Date: 2007-10-30 
  • Deposition Author(s): Cobessi, D.

Revision History 

  • Version 1.0: 2007-10-30
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Advisory, Version format compliance