2AQR

CU/ZN superoxide dismutase from neisseria meningitidis K91Q mutant

• PDB DOI: https://doi.org/10.2210/pdb2AQR/pdb

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


• Deposited: 2005-08-18 Released: 2006-10-31 
• Deposition Author(s): DiDonato, M., Kassmann, C.J., Bruns, C.K., Cabelli, D.E., Cao, Z., Tabatabai, L.B., Kroll, J.S., Getzoff, E.D.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.197 
• R-Value Work: 0.169 
• R-Value Observed: 0.169 

Literature

CU/ZN superoxide dismutase from neisseria meningitidis K91Q mutant

DiDonato, M., Kassmann, C.J., Bruns, C.K., Cabelli, D.E., Cao, Z., Tabatabai, L.B., Kroll, J.S., Getzoff, E.D.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 52.67 kDa 
• Atom Count: 3,926 
• Modelled Residue Count: 465 
• Deposited Residue Count: 492 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Superoxide dismutase [Cu-Zn]	A, B, C	164	Neisseria meningitidis	Mutation(s): 1  Gene Names: sodC EC: 1.15.1.1
UniProt
Find proteins for Q59623 (Neisseria meningitidis serogroup B (strain MC58)) Explore Q59623  Go to UniProtKB:  Q59623

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	F [auth A], H [auth B], K [auth C]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CU	E [auth A], J [auth C]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N
CU1	D [auth A], G [auth B], I [auth C]	COPPER (I) ION Cu VMQMZMRVKUZKQL-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.197 
• R-Value Work: 0.169 
• R-Value Observed: 0.169 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.84	α = 90
b = 65.052	β = 121.02
c = 77.443	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-31 
Deposition Author(s): DiDonato, M., Kassmann, C.J., Bruns, C.K., Cabelli, D.E., Cao, Z., Tabatabai, L.B., Kroll, J.S., Getzoff, E.D.

Revision History  

• Version 1.0: 2006-10-31
  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: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.4: 2024-04-03
  Changes: Data collection, Refinement description