2EYO

Crystal structure of Staphylococcal nuclease mutant T120S

• PDB DOI: https://doi.org/10.2210/pdb2EYO/pdb

• Classification: HYDROLASE
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-11-09 Released: 2006-10-24 
• Deposition Author(s): Lu, J.Z., Sakon, J., Stites, W.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.238 
• R-Value Work: 0.198 
• R-Value Observed: 0.198 

Starting Model: experimental

Literature

Threonine mutants of Staphylococcal nuclease

Lu, J.Z., Sakon, J., Stites, W.E.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 16.83 kDa 
• Atom Count: 1,178 
• Modelled Residue Count: 135 
• Deposited Residue Count: 149 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Staphylococcal nuclease	A	149	Staphylococcus aureus	Mutation(s): 2  Gene Names: nuc EC: 3.1.31.1
UniProt
Find proteins for P00644 (Staphylococcus aureus) Explore P00644  Go to UniProtKB:  P00644

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.238 
• R-Value Work: 0.198 
• R-Value Observed: 0.198 
• Space Group: P 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.082	α = 90
b = 48.082	β = 90
c = 63.703	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
XTALVIEW	refinement
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-24 
Deposition Author(s): Lu, J.Z., Sakon, J., Stites, W.E.

Revision History  

• Version 1.0: 2006-10-24
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2019-07-24
  Changes: Data collection, Refinement description
• Version 1.5: 2021-10-20
  Changes: Database references
• Version 1.6: 2023-08-23
  Changes: Data collection, Refinement description