1k3x

X-ray diffraction
1.25Å resolution

Crystal structure of a trapped reaction intermediate of the DNA repair enzyme Endonuclease VIII with Brominated-DNA

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-114047 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Endonuclease 8 Chain: A
Molecule details ›
Chain: A
Length: 262 amino acids
Theoretical weight: 29.81 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P50465 (Residues: 2-263; Coverage: 100%)
Gene names: JW0704, b0714, nei
Sequence domains:
Structure domains:
5'-D(*GP*GP*CP*(BRU)P*(BRU)P*CP*AP*(BRU)P*CP*CP*(BRU)P*GP*G)-3' Chain: B
Molecule details ›
Chain: B
Length: 13 nucleotides
Theoretical weight: 4.22 KDa
Source organism: Escherichia coli
Expression system: Not provided
5'-D(*CP*CP*AP*GP*GP*AP*(PED)P*GP*AP*AP*GP*CP*C)-3' Chain: C
Molecule details ›
Chain: C
Length: 13 nucleotides
Theoretical weight: 3.86 KDa
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P4322
Unit cell:
a: 76.495Å b: 76.495Å c: 164.31Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.149 0.149 0.181
Expression systems:
  • Escherichia coli
  • Not provided