2r6a

X-ray diffraction
2.9Å resolution

Crystal Form BH1

Released:

Function and Biology Details

Reactions catalysed:
ATP + H(2)O = ADP + phosphate
SsDNA + n NTP = ssDNA/pppN(pN)(n-1) hybrid + (n-1) diphosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero nonamer (preferred)
PDBe Complex ID:
PDB-CPX-194912 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Replicative DNA helicase Chains: A, B
Molecule details ›
Chains: A, B
Length: 454 amino acids
Theoretical weight: 50.7 KDa
Source organism: Geobacillus stearothermophilus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9X4C9 (Residues: 1-454; Coverage: 100%)
Gene name: dnaB
Sequence domains:
Structure domains:
DNA primase Chain: C
Molecule details ›
Chain: C
Length: 143 amino acids
Theoretical weight: 16.8 KDa
Source organism: Geobacillus stearothermophilus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9X4D0 (Residues: 455-597; Coverage: 24%)
Gene name: dnaG
Structure domains:

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P321
Unit cell:
a: 226.751Å b: 226.751Å c: 75.902Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.261 0.259 0.297
Expression system: Escherichia coli BL21(DE3)