1b79

X-ray diffraction
2.3Å resolution

N-TERMINAL DOMAIN OF DNA REPLICATION PROTEIN DNAB

Released:
Source organism: Escherichia coli

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-532768 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Replicative DNA helicase DnaB Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 119 amino acids
Theoretical weight: 13.22 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ACB0 (Residues: 11-129; Coverage: 25%)
Gene names: JW4012, b4052, dnaB, groP, grpA
Sequence domains: DnaB-like helicase N terminal domain
Structure domains: DNAb Helicase; Chain A

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P21
Unit cell:
a: 35.3Å b: 66.4Å c: 107Å
α: 90° β: 93.8° γ: 90°
R-values:
R R work R free
0.263 0.263 0.293
Expression system: Escherichia coli