2fco

X-ray diffraction
1.4Å resolution

Crystal Structure of Bacillus stearothermophilus PrfA-Holliday Junction Resolvase

Released:

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:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-177379 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Holliday junction resolvase RecU Chains: A, B
Molecule details ›
Chains: A, B
Length: 200 amino acids
Theoretical weight: 23.07 KDa
Source organism: Geobacillus kaustophilus HTA426
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5KXY4 (Residues: 1-200; Coverage: 100%)
Gene names: GK2167, recU
Sequence domains: Recombination protein U
Structure domains: Trna Endonuclease; Chain: A, domain 1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P65
Unit cell:
a: 96.886Å b: 96.886Å c: 114.539Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.216 0.214 0.226
Expression system: Escherichia coli