1N0N

Catalytic and Structural Effects of Amino-Acid Substitution at His30 in Human Manganese Superoxide Dismutase

• PDB DOI: https://doi.org/10.2210/pdb1N0N/pdb
• Entry: 1N0N supersedes: 1LUS

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


• Deposited: 2002-10-14 Released: 2002-11-06 
• Deposition Author(s): Borgstahl, G.E.O., Parge, H.E., Hickey, M.J., Beyer Jr., W.F., Hallewell, R.A., Tainer, J.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.241 
• R-Value Work: 0.224 
• R-Value Observed: 0.224 

Literature

Catalytic and Structural Effects of Amino-Acid Substitution at His30 in Human Manganese Superoxide Dismutase

Borgstahl, G.E.O., Parge, H.E., Hickey, M.J., Beyer Jr., W.F., Hallewell, R.A., Tainer, J.A.

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,PQS (software)

Macromolecule Content

• Total Structure Weight: 45.14 kDa 
• Atom Count: 3,523 
• Modelled Residue Count: 396 
• Deposited Residue Count: 398 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Superoxide dismutase [Mn]	A, B	199	Homo sapiens	Mutation(s): 1  EC: 1.15.1.1
UniProt & NIH Common Fund Data Resources
Find proteins for P04179 (Homo sapiens) Explore P04179  Go to UniProtKB:  P04179
PHAROS:  P04179

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A], E [auth A], G [auth B], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
MN	C [auth A], F [auth B]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.82 Å
• R-Value Free: 0.241 
• R-Value Work: 0.224 
• R-Value Observed: 0.224 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.815	α = 90
b = 79.815	β = 90
c = 240.882	γ = 120

Software Package:

Software Name	Purpose
MAR345	data collection
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-11-06 
Deposition Author(s): Borgstahl, G.E.O., Parge, H.E., Hickey, M.J., Beyer Jr., W.F., Hallewell, R.A., Tainer, J.A.
• This entry supersedes: 1LUS

Revision History  

• Version 1.0: 2002-11-06
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-10-27
  Changes: Database references, Derived calculations
• Version 1.5: 2024-02-14
  Changes: Data collection