6crm

X-ray diffraction
2.19Å resolution

Crystal Structure of RecQ catalytic core from C. sakazakii bound to an unfolded G-quadruplex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-108376 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
ATP-dependent DNA helicase RecQ 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
UniProt:
  • Canonical: A7MQK9 (Residues: 1-521; Coverage: 86%)
Gene name: ESA_03738
Sequence domains:
DNA (5'-D(P*GP*GP*GP*TP*CP*GP*GP*TP*GP*CP*CP*TP*TP*A)-3') Chain: B
Molecule details ›
Chain: B
Length: 37 nucleotides
Theoretical weight: 11.57 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: 78.468Å b: 94.67Å c: 98.906Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.207 0.205 0.24
Expression systems:
  • Escherichia coli
  • Not provided