PDBe 3erq

X-ray diffraction
2.1Å resolution

Crystal structure of Staphylococcal nuclease variant L25K at cryogenic temperature

Released:
Source organism: Staphylococcus aureus
Entry authors: Robinson AC, Schlessman JL, Garcia-Moreno EB

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nuclease A Chain: A
Molecule details ›
Chain: A
Length: 143 amino acids
Theoretical weight: 16.16 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Best match: P00644 (Residues: 83-231)
Gene name: nuc

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: OTHER
Spacegroup: P21
Unit cell:
a: 30.978Å b: 60.282Å c: 37.961Å
α: 90° β: 93.43° γ: 90°
R-values:
R R work R free
0.215 0.209 0.278
Expression system: Escherichia coli