3MKG

Low pH as-isolated tomato chloroplast superoxide dismutase

• PDB DOI: https://doi.org/10.2210/pdb3MKG/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Solanum lycopersicum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-04-14 Released: 2011-05-25 
• Deposition Author(s): Galaleldeen, A., Taylor, A.B., Hart, P.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.260 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 

Literature

Biophysical properties of tomato chloroplast sod

Galaleldeen, A., Taylor, A.B., Hart, P.J.

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: 31.42 kDa 
• Atom Count: 1,831 
• Modelled Residue Count: 246 
• Deposited Residue Count: 308 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Superoxide dismutase [Cu-Zn], chloroplastic	A, B	154	Solanum lycopersicum	Mutation(s): 0  Gene Names: SODCP.2 EC: 1.15.1.1
UniProt
Find proteins for P14831 (Solanum lycopersicum) Explore P14831  Go to UniProtKB:  P14831

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A], D [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.260 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.993	α = 90
b = 104.798	β = 90
c = 35.939	γ = 90

Software Package:

Software Name	Purpose
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-05-25 
Deposition Author(s): Galaleldeen, A., Taylor, A.B., Hart, P.J.

Revision History  

• Version 1.0: 2011-05-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description