› 1jey

X-ray diffraction
2.5Å resolution

Crystal Structure of the Ku heterodimer bound to DNA

Released:
DOI: 10.2210/pdb1jey/pdb
PDB entry 1jey coloured by chain, front view.
PDB entry 1jey coloured by chain, side view.
PDB entry 1jey coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Structure of the Ku heterodimer bound to DNA and its implications for double-strand break repair.
Walker JR, Corpina RA, Goldberg J
Nature 412 607-14 (2001)
PMID: 11493912

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-114000 (preferred)
Entry contents:
2 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (4 distinct):
X-ray repair cross-complementing protein 6 Chain: A
Molecule details ›
Chain: A
Length: 609 amino acids
Theoretical weight: 69.95 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P12956 (Residues: 1-609; Coverage: 100%)
Gene names: G22P1, XRCC6
Sequence domains:
Structure domains:
X-ray repair cross-complementing protein 5 Chain: B
Molecule details ›
Chain: B
Length: 565 amino acids
Theoretical weight: 64.19 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P13010 (Residues: 1-565; Coverage: 77%)
Gene names: G22P2, XRCC5
Sequence domains:
Structure domains:
DNA (5'-D(*GP*TP*TP*TP*TP*TP*AP*GP*TP*TP*TP*AP*TP*TP*GP*GP*GP*CP*GP*CP*G)-3') Chain: C
Molecule details ›
Chain: C
Length: 21 nucleotides
Theoretical weight: 6.51 KDa
DNA (34-MER) Chain: D
Molecule details ›
Chain: D
Length: 34 nucleotides
Theoretical weight: 10.33 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X9A
Spacegroup: P212121
Unit cell:
a: 83.92Å b: 126.305Å c: 126.436Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.22 0.218 0.28
Expression system: Spodoptera frugiperda

Quick links

Citations

205 review citations

The mechanism of double-strand DNA break repair by the nonhomologous DNA end-joining pathway.
Lieber MR. (2010)
204 more

65 mentions without citation

Nonhomologous DNA end-joining for repair of DNA double-strand breaks.
Pannunzio et al. (2018)
64 more