PDBe 3meh

X-ray diffraction
1.5Å resolution

Crystal structure of Staphylococcal nuclease variant Delta+PHS I92A at cryogenic temperature

Source organism: Staphylococcus aureus
Primary publication:
Cavities determine the pressure unfolding of proteins.
Proc. Natl. Acad. Sci. U.S.A. 109 6945-50 (2012)
PMID: 22496593

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
Nuclease A Chain: A
Molecule details ›
Chain: A
Length: 143 amino acids
Theoretical weight: 16.1 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
  • 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: NSLS BEAMLINE X25
Spacegroup: P21
Unit cell:
a: 31.09Å b: 60.137Å c: 38.194Å
α: 90° β: 93.57° γ: 90°
R R work R free
0.186 0.186 0.234
Expression system: Escherichia coli