5CV5

Crystal structure of Staphylococcal nuclease variant Delta+PHS K64G/V66K/E67G at cryogenic temperature

• PDB DOI: https://doi.org/10.2210/pdb5CV5/pdb

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


• Deposited: 2015-07-25 Released: 2015-08-12 
• Deposition Author(s): Ortega Quintanilla, G., Robinson, A.C., Schlessman, J.L., Garcia-Moreno E., B.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.225 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 

Literature

Crystal structure of Staphylococcal nuclease variant Delta+PHS K64G/V66K/E67G at cryogenic temperature

Ortega Quintanilla, G., Robinson, A.C., 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.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 32.94 kDa 
• Atom Count: 2,231 
• Modelled Residue Count: 254 
• 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): 8  Gene Names: nuc EC: 3.1.31.1
UniProt
Find proteins for P00644 (Staphylococcus aureus) Explore P00644  Go to UniProtKB:  P00644

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
THP	D [auth A], F [auth B]	THYMIDINE-3',5'-DIPHOSPHATE C10 H16 N2 O11 P2 CSNCBOPUCJOHLS-XLPZGREQSA-N
CA	C [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.225 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 30.831	α = 90
b = 60.549	β = 93.15
c = 77.901	γ = 90

Software Package:

Software Name	Purpose
APEX	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
APEX	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-08-12 
Deposition Author(s): Ortega Quintanilla, G., Robinson, A.C., Schlessman, J.L., Garcia-Moreno E., B.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	NIH-GM 061597

Revision History  

• Version 1.0: 2015-08-12
  Type: Initial release
  
• Version 1.1: 2017-09-13
  Changes: Author supporting evidence, Derived calculations
• Version 1.2: 2019-12-25
  Changes: Author supporting evidence
• Version 1.3: 2023-09-27
  Changes: Data collection, Database references, Derived calculations, Refinement description