1ZLZ

Re-Evaluation of the Low-Temperature Azide in Mn-Dependent Superoxide Dismutase

• PDB DOI: https://doi.org/10.2210/pdb1ZLZ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-05-09 Released: 2006-05-02 
• Deposition Author(s): Salvador, J.R., Whittaker, M.M., Whittaker, J.W., Jameson, G.B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.222 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 

Literature

Azide Adduct of the Y174F mutant of Manganese superoxide dismutase from Escherichia coli

Salvador, J.R., Whittaker, M.M., Whittaker, J.W., Jameson, G.B.

To be published.

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: 46.19 kDa 
• Atom Count: 3,751 
• Modelled Residue Count: 410 
• Deposited Residue Count: 410 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Superoxide dismutase	A, B	205	Escherichia coli	Mutation(s): 1  EC: 1.15.1.1
UniProt
Find proteins for P00448 (Escherichia coli (strain K12)) Explore P00448  Go to UniProtKB:  P00448

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MH2	D [auth A], F [auth B]	MANGANESE ION, 1 HYDROXYL COORDINATED H Mn O COIFCHMDWGZDDC-UHFFFAOYSA-M
AZI	C [auth A], E [auth B]	AZIDE ION N3 IVRMZWNICZWHMI-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.222 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.727	α = 90
b = 45.676	β = 97.92
c = 95.859	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
CrystalClear	data reduction
CCP4	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-05-02 
Deposition Author(s): Salvador, J.R., Whittaker, M.M., Whittaker, J.W., Jameson, G.B.

Revision History  

• Version 1.0: 2006-05-02
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-11-10
  Changes: Database references, Derived calculations
• Version 1.5: 2023-10-25
  Changes: Data collection, Refinement description