3E19

Crystal Structure of Iron Uptake Regulatory Protein (FeoA) Solved by Sulfur SAD in a Monoclinic Space Group

• PDB DOI: https://doi.org/10.2210/pdb3E19/pdb

• Classification: TRANSCRIPTION REGULATOR, METAL BINDING PROTEIN
• Organism(s): Thermococcus thioreducens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-08-02 Released: 2008-12-16 
• Deposition Author(s): Hughes, R.C., Li, Y., Wang, B.-C., Liu, Z.-J., Ng, J.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.228 
• R-Value Work: 0.173 
• R-Value Observed: 0.176 

Literature

Crystallographic Structure Determination of Iron Uptake Regulatory Protein (FeoA) by Sulfur SAD in a Monoclinic Space Group

Hughes, R.C., Li, Y., Wang, B.-C., Liu, Z.-J., Ng, J.D.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 3 generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 4-mer - A4 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 4 assigned by authors.

Macromolecule Content

• Total Structure Weight: 32.12 kDa 
• Atom Count: 2,346 
• Modelled Residue Count: 299 
• Deposited Residue Count: 308 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FeoA	A, B, C, D	77	Thermococcus thioreducens	Mutation(s): 0  Gene Names: OGL-20_FeoA
UniProt
Find proteins for D0VWU5 (Thermococcus thioreducens) Explore D0VWU5  Go to UniProtKB:  D0VWU5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	E [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
GOL	F [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.228 
• R-Value Work: 0.173 
• R-Value Observed: 0.176 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.786	α = 90
b = 68.386	β = 132.67
c = 68.969	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-12-16 
Deposition Author(s): Hughes, R.C., Li, Y., Wang, B.-C., Liu, Z.-J., Ng, J.D.

Revision History  

• Version 1.0: 2008-12-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-04-03
  Changes: Refinement description