1qtw

X-ray diffraction
1.02Å resolution

HIGH-RESOLUTION CRYSTAL STRUCTURE OF THE ESCHERICHIA COLI DNA REPAIR ENZYME ENDONUCLEASE IV

Released:

Function and Biology Details

Reaction catalysed:
Endonucleolytic cleavage to 5'-phosphooligonucleotide end-products
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-141294 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Endonuclease 4 Chain: A
Molecule details ›
Chain: A
Length: 285 amino acids
Theoretical weight: 31.52 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6C1 (Residues: 1-285; Coverage: 100%)
Gene names: JW2146, b2159, nfo
Sequence domains: Xylose isomerase-like TIM barrel
Structure domains: Divalent-metal-dependent TIM barrel enzymes

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P21
Unit cell:
a: 49.62Å b: 59.56Å c: 50.98Å
α: 90° β: 110.94° γ: 90°
R-values:
R R work R free
0.124 0.124 0.148
Expression system: Escherichia coli