X-ray diffraction
2.4Å resolution

Crystal structure of RecQ catalytic core from C. sakazakii bound to DNA


Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
DNA helicase Chain: A
Molecule details ›
Chain: A
Length: 541 amino acids
Theoretical weight: 60.45 KDa
Source organism: Cronobacter sakazakii ATCC BAA-894
Expression system: Escherichia coli
  • Canonical: A7MQK9 (Residues: 1-521; Coverage: 86%)
Gene name: ESA_03738
Sequence domains:
DNA (29-MER) Chain: B
Molecule details ›
Chain: B
Length: 34 nucleotides
Theoretical weight: 10.45 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-F
Spacegroup: P21212
Unit cell:
a: 78.348Å b: 93.959Å c: 100.16Å
α: 90° β: 90° γ: 90°
R R work R free
0.181 0.179 0.233
Expression systems:
  • Escherichia coli
  • Not provided