4b6c

X-ray diffraction
2.2Å resolution

Structure of the M. smegmatis GyrB ATPase domain in complex with an aminopyrazinamide

Released:

Function and Biology Details

Reaction catalysed:
ATP-dependent breakage, passage and rejoining of double-stranded DNA
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-143019 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DNA gyrase subunit B Chains: A, B
Molecule details ›
Chains: A, B
Length: 196 amino acids
Theoretical weight: 21.99 KDa
Source organism: Mycolicibacterium smegmatis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0C559 (Residues: 9-218; Coverage: 28%)
Gene name: gyrB
Sequence domains: Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase
Structure domains: Histidine kinase-like ATPase, C-terminal domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E
Spacegroup: C2221
Unit cell:
a: 43.455Å b: 82.251Å c: 191.941Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.202 0.199 0.254
Expression system: Escherichia coli BL21(DE3)