1SXZ

Reduced bovine superoxide dismutase at pH 5.0 complexed with azide

• PDB DOI: https://doi.org/10.2210/pdb1SXZ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 1998-09-22 Released: 1998-09-30 
• Deposition Author(s): Ferraroni, M., Rypniewski, W.R., Bruni, B., Orioli, P., Wilson, K.S., Mangani, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Work: 0.166 

Literature

Crystallographic determination of reduced bovine superoxide dismutase at pH 5.0 and of anion binding to its active site

Ferraroni, M., Rypniewski, W.R., Bruni, B., Orioli, P., Mangani, S.

(1998) J Biol Inorg Chem 3: 411-422

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 31.57 kDa 
• Atom Count: 2,509 
• Modelled Residue Count: 302 
• Deposited Residue Count: 302 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (CU-ZN SUPEROXIDE DISMUTASE)	A, B	151	Bos taurus	Mutation(s): 0  EC: 1.15.1.1
UniProt
Find proteins for P00442 (Bos taurus) Explore P00442  Go to UniProtKB:  P00442

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	D [auth A], H [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CU	C [auth A], G [auth B]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N
AZI	F [auth A], J [auth B]	AZIDE ION N3 IVRMZWNICZWHMI-UHFFFAOYSA-N
CA	E [auth A], I [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Work: 0.166 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 104.6	α = 90
b = 197.5	β = 90
c = 50.8	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CCP4	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-09-30 
Deposition Author(s): Ferraroni, M., Rypniewski, W.R., Bruni, B., Orioli, P., Wilson, K.S., Mangani, S.

Revision History  

• Version 1.0: 1998-09-30
  Type: Initial release
  
• Version 1.1: 2007-10-16
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description