4ld0

X-ray diffraction
3.75Å resolution

T. thermophilus RuvC in complex with Holliday junction substrate

Released:
Source organism: Thermus thermophilus HB8
Primary publication:
Crystal structure of RuvC resolvase in complex with Holliday junction substrate.
Nucleic Acids Res 41 9945-55 (2013)
PMID: 23980027

Function and Biology Details

Reaction catalysed:
Endonucleolytic cleavage at a junction such as a reciprocal single-stranded crossover between two homologous DNA duplexes (Holliday junction)
Biochemical function:
Biological process:

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-117782 (preferred)
Entry contents:
1 distinct polypeptide molecule
3 distinct DNA molecules
Macromolecules (4 distinct):
Crossover junction endodeoxyribonuclease RuvC Chains: A, B
Molecule details ›
Chains: A, B
Length: 169 amino acids
Theoretical weight: 18.07 KDa
Source organism: Thermus thermophilus HB8
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5SJC4 (Residues: 1-166; Coverage: 100%)
Gene names: TTHA1090, ruvC
Sequence domains: Crossover junction endodeoxyribonuclease RuvC
Structure domains: Ribonuclease H-like superfamily/Ribonuclease H
DNA 31-MER Chain: C
Molecule details ›
Chain: C
Length: 31 nucleotides
Theoretical weight: 9.52 KDa
Source organism: Thermus thermophilus HB8
Expression system: Not provided
DNA 13-MER Chain: D
Molecule details ›
Chain: D
Length: 13 nucleotides
Theoretical weight: 3.92 KDa
Source organism: Thermus thermophilus HB8
Expression system: Not provided
DNA 11-MER Chain: F
Molecule details ›
Chain: F
Length: 11 nucleotides
Theoretical weight: 3.38 KDa
Source organism: Thermus thermophilus HB8
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P3221
Unit cell:
a: 106.356Å b: 106.356Å c: 132.653Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.27 0.267 0.329
Expression systems:
  • Escherichia coli
  • Not provided