X-ray diffraction
2Å resolution

Archaeal DNA helicase Hjm apo state in form 2


Function and Biology Details

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
ATP-dependent DNA helicase Hel308 Chain: A
Molecule details ›
Chain: A
Length: 720 amino acids
Theoretical weight: 82.75 KDa
Source organism: Pyrococcus furiosus
Expression system: Escherichia coli
  • Canonical: O73946 (Residues: 1-720; Coverage: 100%)
Gene names: PF0677, hel308, hjm
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL38B1
Spacegroup: C2
Unit cell:
a: 122.346Å b: 81.155Å c: 85.192Å
α: 90° β: 111.92° γ: 90°
R R work R free
0.223 0.223 0.258
Expression system: Escherichia coli