4BRV

Superoxide reductase (Neelaredoxin) from Ignicoccus hospitalis E23A

• PDB DOI: https://doi.org/10.2210/pdb4BRV/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Ignicoccus hospitalis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2013-06-05 Released: 2014-06-18 
• Deposition Author(s): Romao, C.V., Matias, P.M., Pinho, F.G., Sousa, C.M., Barradas, A.R., Pinto, A.F., Teixeira, M., Bandeiras, T.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.200 
• R-Value Work: 0.159 
• R-Value Observed: 0.161 

Literature

Structure of a Natural Sor Mutant

Romao, C.V., Matias, P.M., Pinho, F.G., Sousa, C.M., Barradas, A.R., Pinto, A.F., Teixeira, M., Bandeiras, T.M.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 56.44 kDa 
• Atom Count: 4,128 
• Modelled Residue Count: 496 
• Deposited Residue Count: 496 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DESULFOFERRODOXIN, FERROUS IRON-BINDING REGION	A, B, C, D	124	Ignicoccus hospitalis	Mutation(s): 1
UniProt
Find proteins for A8AC72 (Ignicoccus hospitalis (strain KIN4/I / DSM 18386 / JCM 14125)) Explore A8AC72  Go to UniProtKB:  A8AC72

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FE	E [auth A], F [auth B], G [auth C], H [auth D]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.200 
• R-Value Work: 0.159 
• R-Value Observed: 0.161 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.908	α = 90
b = 74.796	β = 106.69
c = 68.754	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SAINT	data reduction
SADABS	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-06-18 
Deposition Author(s): Romao, C.V., Matias, P.M., Pinho, F.G., Sousa, C.M., Barradas, A.R., Pinto, A.F., Teixeira, M., Bandeiras, T.M.

Revision History  

• Version 1.0: 2014-06-18
  Type: Initial release
  
• Version 1.1: 2017-07-05
  Changes: Data collection
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description