3pc8

X-ray diffraction
2.31Å resolution

X-ray crystal structure of the heterodimeric complex of XRCC1 and DNA ligase III-alpha BRCT domains.

Released:

Function and Biology Details

Reaction catalysed:
(1a) ATP + [DNA ligase]-L-lysine = [DNA ligase]-N(6)-(5'-adenylyl)-L-lysine + diphosphate
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-156088 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
DNA repair protein XRCC1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 98 amino acids
Theoretical weight: 11.75 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q60596 (Residues: 534-631; Coverage: 16%)
Gene names: Xrcc-1, Xrcc1
Sequence domains: BRCT domain, a BRCA1 C-terminus domain
Structure domains: BRCT domain
DNA ligase 3 Chains: C, D
Molecule details ›
Chains: C, D
Length: 88 amino acids
Theoretical weight: 9.95 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P49916 (Residues: 924-1008; Coverage: 8%)
Gene name: LIG3
Sequence domains: DNA ligase 3 BRCT domain
Structure domains: BRCT domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P21212
Unit cell:
a: 66.32Å b: 163.48Å c: 36.74Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.197 0.246
Expression system: Escherichia coli BL21(DE3)