4ZHO

The crystal structure of Arabidopsis ferredoxin 2 with 2Fe-2S cluster


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.34 Å
  • R-Value Free: 0.216 
  • R-Value Work: 0.197 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure of the bacterial plant-ferredoxin receptor FusA.

Grinter, R.Josts, I.Mosbahi, K.Roszak, A.W.Cogdell, R.J.Bonvin, A.M.Milner, J.J.Kelly, S.M.Byron, O.Smith, B.O.Walker, D.

(2016) Nat Commun 7: 13308-13308

  • DOI: 10.1038/ncomms13308
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Iron is a limiting nutrient in bacterial infection putting it at the centre of an evolutionary arms race between host and pathogen. Gram-negative bacteria utilize TonB-dependent outer membrane receptors to obtain iron during infection. These receptor ...

    Iron is a limiting nutrient in bacterial infection putting it at the centre of an evolutionary arms race between host and pathogen. Gram-negative bacteria utilize TonB-dependent outer membrane receptors to obtain iron during infection. These receptors acquire iron either in concert with soluble iron-scavenging siderophores or through direct interaction and extraction from host proteins. Characterization of these receptors provides invaluable insight into pathogenesis. However, only a subset of virulence-related TonB-dependent receptors have been currently described. Here we report the discovery of FusA, a new class of TonB-dependent receptor, which is utilized by phytopathogenic Pectobacterium spp. to obtain iron from plant ferredoxin. Through the crystal structure of FusA we show that binding of ferredoxin occurs through specialized extracellular loops that form extensive interactions with ferredoxin. The function of FusA and the presence of homologues in clinically important pathogens suggests that small iron-containing proteins represent an iron source for bacterial pathogens.


    Organizational Affiliation

    Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Ferredoxin-2, chloroplastic
A, B
105Arabidopsis thalianaMutation(s): 0 
Gene Names: FD2 (PETF, PETF1)
Find proteins for P16972 (Arabidopsis thaliana)
Go to UniProtKB:  P16972
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CL
Query on CL

Download SDF File 
Download CCD File 
A, B
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
FES
Query on FES

Download SDF File 
Download CCD File 
A, B
FE2/S2 (INORGANIC) CLUSTER
Fe2 S2
NIXDOXVAJZFRNF-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.34 Å
  • R-Value Free: 0.216 
  • R-Value Work: 0.197 
  • Space Group: P 42 21 2
Unit Cell:
Length (Å)Angle (°)
a = 60.730α = 90.00
b = 60.730β = 90.00
c = 154.730γ = 90.00
Software Package:
Software NamePurpose
Aimlessdata scaling
PHASERphasing
XDSdata reduction
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationCountryGrant Number
Biotechnology and Biological Sciences Research CouncilUnited Kingdom--

Revision History 

  • Version 1.0: 2016-08-31
    Type: Initial release
  • Version 1.1: 2016-11-09
    Type: Database references
  • Version 1.2: 2017-08-30
    Type: Author supporting evidence, Derived calculations