5OUT

CRYSTAL STRUCTURE OF THE FERRIC ENTEROBACTIN RECEPTOR (PFEA) MUTANT (G324V) FROM PSEUDOMONAS AERUGINOSA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.297 
  • R-Value Work: 0.253 
  • R-Value Observed: 0.255 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

The complex of ferric-enterobactin with its transporter from Pseudomonas aeruginosa suggests a two-site model.

Moynie, L.Milenkovic, S.Mislin, G.L.A.Gasser, V.Malloci, G.Baco, E.McCaughan, R.P.Page, M.G.P.Schalk, I.J.Ceccarelli, M.Naismith, J.H.

(2019) Nat Commun 10: 3673-3673

  • DOI: 10.1038/s41467-019-11508-y
  • Primary Citation of Related Structures:  
    6I2J, 6Q5E, 6R1F, 5OUT, 5MZS, 5NC4, 5NR2, 5M9B

  • PubMed Abstract: 
  • Bacteria use small molecules called siderophores to scavenge iron. Siderophore-Fe 3+ complexes are recognised by outer-membrane transporters and imported into the periplasm in a process dependent on the inner-membrane protein TonB. The siderophore enterobactin is secreted by members of the family Enterobacteriaceae, but many other bacteria including Pseudomonas species can use it ...

    Bacteria use small molecules called siderophores to scavenge iron. Siderophore-Fe 3+ complexes are recognised by outer-membrane transporters and imported into the periplasm in a process dependent on the inner-membrane protein TonB. The siderophore enterobactin is secreted by members of the family Enterobacteriaceae, but many other bacteria including Pseudomonas species can use it. Here, we show that the Pseudomonas transporter PfeA recognises enterobactin using extracellular loops distant from the pore. The relevance of this site is supported by in vivo and in vitro analyses. We suggest there is a second binding site deeper inside the structure and propose that correlated changes in hydrogen bonds link binding-induced structural re-arrangements to the structural adjustment of the periplasmic TonB-binding motif.


    Organizational Affiliation

    The Rosalind Franklin Institute, Didcot, OX11 0FA, UK. naismith@strubi.ox.ac.uk.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Ferric enterobactin receptorA721Pseudomonas aeruginosa PAO1Mutation(s): 1 
Gene Names: pfeAPA2688
Membrane Entity: Yes 
UniProt
Find proteins for Q05098 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1))
Explore Q05098 
Go to UniProtKB:  Q05098
Protein Feature View
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.297 
  • R-Value Work: 0.253 
  • R-Value Observed: 0.255 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 87.68α = 90
b = 158.13β = 90
c = 77.88γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2018-09-05
    Type: Initial release
  • Version 1.1: 2019-08-28
    Changes: Data collection, Database references