3T13

Crystal structure of Staphylococcal nuclease variant Delta+PHS A69G at cryogenic temperature

• PDB DOI: https://doi.org/10.2210/pdb3T13/pdb

• Classification: HYDROLASE
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-07-21 Released: 2011-08-03 
• Deposition Author(s): Doctrow, B.M., Schlessman, J.L., Garcia-Moreno E., B., Heroux, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.199 
• R-Value Work: 0.156 
• R-Value Observed: 0.159 

Literature

Crystal structure of Staphylococcal nuclease variant Delta+PHS A69G at cryogenic temperature

Doctrow, B.M., Schlessman, J.L., Garcia-Moreno E., B.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 33.1 kDa 
• Atom Count: 2,460 
• Modelled Residue Count: 259 
• Deposited Residue Count: 286 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thermonuclease	A, B	143	Staphylococcus aureus	Mutation(s): 6  Gene Names: nuc EC: 3.1.31.1
UniProt
Find proteins for P00644 (Staphylococcus aureus) Explore P00644  Go to UniProtKB:  P00644

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MRD	F [auth A], G [auth A], I [auth B], J [auth B]	(4R)-2-METHYLPENTANE-2,4-DIOL C6 H14 O2 SVTBMSDMJJWYQN-RXMQYKEDSA-N
PO4	C [auth A], D [auth A], H [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
CA	E [auth A], K [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.199 
• R-Value Work: 0.156 
• R-Value Observed: 0.159 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.595	α = 90
b = 63.755	β = 91.92
c = 49.874	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-03 
Deposition Author(s): Doctrow, B.M., Schlessman, J.L., Garcia-Moreno E., B., Heroux, A.

Revision History  

• Version 1.0: 2011-08-03
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Advisory, Refinement description
• Version 1.2: 2023-09-13
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description