4xtj

X-ray diffraction
1.92Å resolution

N-terminal 43 kDa fragment of the E. coli DNA gyrase B subunit grown from 100 mM KCl plus 100 mM NaCl condition

Released:
Source organism: Escherichia coli K-12
Primary publication:
The role of monovalent cations in the ATPase reaction of DNA gyrase.
OpenAccess logo Acta Crystallogr. D Biol. Crystallogr. 71 996-1005 (2015)
PMID: 25849408

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA gyrase subunit B Chain: A
Molecule details ›
Chain: A
Length: 391 amino acids
Theoretical weight: 43.16 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AES6 (Residues: 2-392; Coverage: 49%)
Gene names: JW5625, acrB, b3699, cou, gyrB, himB, hisU, nalC, parA, pcbA
Sequence domains:
Structure domains:

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: C2221
Unit cell:
a: 87.52Å b: 140.91Å c: 79.84Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.185 0.184 0.218
Expression system: Escherichia coli BL21(DE3)