7QP5

Crystal Structure of E. coli FhuF

• PDB DOI: https://doi.org/10.2210/pdb7QP5/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2022-01-03 Released: 2023-07-12 
• Deposition Author(s): Trindade, I.B., Rollo, F., Matias, P.M., Moe, E., Louro, R.O.
• Funding Organization(s): Fundacao para a Ciencia e a Tecnologia, European Commission

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.252 
• R-Value Work: 0.209 
• R-Value Observed: 0.211 

Literature

The structure of a novel ferredoxin: FhuF, a ferric-siderophore reductase from E. coli K-12 with a novel 2Fe-2S cluster coordination

Trindade, I.B., Rollo, F., Todorovic, S., Catarino, T., Moe, E., Matias, P.M., Piccioli, M., Louro, R.O.

(2023) Biorxiv 

• DOI: https://doi.org/10.1101/2023.07.04.547673

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 56.43 kDa 
• Atom Count: 4,044 
• Modelled Residue Count: 483 
• Deposited Residue Count: 490 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferric iron reductase protein FhuF	A, B	245	Escherichia coli K-12	Mutation(s): 1  Gene Names: fhuF, yjjS, b4367, JW4331
UniProt
Find proteins for P39405 (Escherichia coli (strain K12)) Explore P39405  Go to UniProtKB:  P39405

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FES (Subject of Investigation/LOI)	C [auth A], D [auth B]	FE2/S2 (INORGANIC) CLUSTER Fe2 S2 NIXDOXVAJZFRNF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.252 
• R-Value Work: 0.209 
• R-Value Observed: 0.211 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 116.912	α = 90
b = 73.574	β = 113.44
c = 71.878	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
STARANISO	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-07-12 
Deposition Author(s): Trindade, I.B., Rollo, F., Matias, P.M., Moe, E., Louro, R.O.

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Funding Organization	Location	Grant Number
Fundacao para a Ciencia e a Tecnologia	Portugal	PD/BD/135187/2017
European Commission	European Union	810856
Fundacao para a Ciencia e a Tecnologia	Portugal	UIDB/04612/2020 and UIDP/04612/2020

Revision History  

• Version 1.0: 2023-07-12
  Type: Initial release
  
• Version 1.1: 2023-07-19
  Changes: Author supporting evidence, Refinement description