4H7B

Crystal Structure of Staphylococcal nuclease mutant I72V/V99L

• PDB DOI: https://doi.org/10.2210/pdb4H7B/pdb

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


• Deposited: 2012-09-20 Released: 2012-10-17 
• Deposition Author(s): Sanders, J.M., Janowska, K., Sakon, J., Stites, W.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.248 
• R-Value Work: 0.192 
• R-Value Observed: 0.195 

Literature

Hydrophobic core mutants of Staphylococcal nuclease

Sanders, J.M., Janowska, K., 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 and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 16.84 kDa 
• Atom Count: 1,182 
• Modelled Residue Count: 136 
• Deposited Residue Count: 149 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thermonuclease	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: 1.60 Å
• R-Value Free: 0.248 
• R-Value Work: 0.192 
• R-Value Observed: 0.195 
• Space Group: P 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.454	α = 90
b = 47.454	β = 90
c = 63.877	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
CCP4	model building
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-10-17 
Deposition Author(s): Sanders, J.M., Janowska, K., Sakon, J., Stites, W.E.

Revision History  

• Version 1.0: 2012-10-17
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2018-01-24
  Changes: Structure summary
• Version 1.3: 2024-02-28
  Changes: Data collection, Database references