1tt2

X-ray diffraction
1.85Å resolution

Cryogenic crystal structure of Staphylococcal nuclease variant truncated Delta+PHS I92K

Released:

Function and Biology Details

Reaction catalysed:
Endonucleolytic cleavage to nucleoside 3'-phosphates and 3'-phosphooligonucleotide end-products
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-132790 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nuclease A Chain: A
Molecule details ›
Chain: A
Length: 138 amino acids
Theoretical weight: 15.7 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P00644 (Residues: 83-226; Coverage: 67%)
Gene name: nuc
Sequence domains: Staphylococcal nuclease homologue
Structure domains: OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P41
Unit cell:
a: 47.368Å b: 47.368Å c: 63.296Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.189 0.189 0.211
Expression system: Escherichia coli BL21