1SXN | pdb_00001sxn

REDUCED BOVINE SUPEROXIDE DISMUTASE AT PH 5.0

• PDB DOI: https://doi.org/10.2210/pdb1SXN/pdb

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


• Deposited: 1997-09-17 Released: 1998-03-18 
• 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: 1.90 Å
• R-Value Work: 
  0.180 (Depositor) 

Starting Model: experimental

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 and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 31.48 kDa 
• Atom Count: 2,508 
• Modeled Residue Count: 302 
• Deposited Residue Count: 302 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CU, ZN SUPEROXIDE DISMUTASE	A, B	151	Bos taurus	Mutation(s): 0  EC: 1.15.1.1 (PDB Primary Data), 1.8 (UniProt)
UniProt
Find proteins for P00442 (Bos taurus) Explore P00442  Go to UniProtKB:  P00442

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	D [auth A], G [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CU	C [auth A], F [auth B]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N
CA	E [auth A], H [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Work:  0.180 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 104.69	α = 90
b = 197.8	β = 90
c = 50.83	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: 1998-03-18 
Deposition Author(s): Ferraroni, M., Rypniewski, W.R., Bruni, B., Orioli, P., Wilson, K.S., Mangani, S.

Revision History  

• Version 1.0: 1998-03-18
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2011-11-16
  Changes: Atomic model
• Version 1.4: 2023-08-09
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-10-30
  Changes: Data collection, Structure summary