4BK8 | pdb_00004bk8

Superoxide reductase (Neelaredoxin) from Ignicoccus hospitalis

• PDB DOI: https://doi.org/10.2210/pdb4BK8/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Ignicoccus hospitalis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-04-22 Released: 2014-04-02 
• 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: 1.85 Å
• R-Value Free: 
  0.200 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.179 (Depositor) 

Starting Model: experimental

Literature

Structure of a Natural Sor Mutant

Pinho, F.G., Romao, C.V., Pinto, A.F., Matias, P.M., 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: 14.17 kDa 
• Atom Count: 1,092 
• Modeled Residue Count: 123 
• Deposited Residue Count: 124 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DESULFOFERRODOXIN, FERROUS IRON-BINDING REGION	A	124	Ignicoccus hospitalis	Mutation(s): 0
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	B [auth A]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.200 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.179 (Depositor) 

Space Group: P 6₄ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.995	α = 90
b = 108.995	β = 90
c = 61.43	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-04-02 
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: 2014-04-02
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description