1ipi

X-ray diffraction
2.16Å resolution

CRYSTAL STRUCTURE OF THE ARCHAEAL HOLLIDAY JUNCTION RESOLVASE HJC FROM PYROCOCCUS FURIOSUS FORM II

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:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-123093 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Crossover junction endodeoxyribonuclease Hjc Chains: A, B
Molecule details ›
Chains: A, B
Length: 123 amino acids
Theoretical weight: 13.79 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: E7FHX4 (Residues: 1-123; Coverage: 100%)
Gene names: PF1503, hjc
Sequence domains: Archaeal holliday junction resolvase (hjc)
Structure domains: Trna Endonuclease; Chain: A, domain 1

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL24XU
Spacegroup: P65
Unit cell:
a: 59.969Å b: 59.969Å c: 134.554Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.214 0.214 0.259
Expression system: Escherichia coli BL21(DE3)