Function and Biology

Crystal Structure of E. coli GyraseB 24kDa in complex with 4-(4-bromo-1H-pyrazol-1-yl)-6-[(ethylcarbamoyl)amino]-N-(pyridin-3-yl)pyridine-3-carboxamide

Source organism: Escherichia coli O157:H7
Biochemical function: ATP binding
Biological process: DNA topological change
Cellular component: not assigned

EC 5.6.2.2: DNA topoisomerase (ATP-hydrolyzing)

Reaction catalysed:
ATP-dependent breakage, passage and rejoining of double-stranded DNA
Systematic name:
DNA topoisomerase (ATP-hydrolyzing)
Alternative Name(s):
  • DNA gyrase
  • DNA topoisomerase II
  • Type II DNA topoisomerase

GO terms

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Sequence family

Pfam Protein family (Pfam)
PF02518
Domain description: Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase
Occurring in:
  1. DNA gyrase subunit B
The deposited structure of PDB entry 6f86 contains 1 copy of Pfam domain PF02518 (Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase) in DNA gyrase subunit B. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR003594
Domain description: Histidine kinase/HSP90-like ATPase
Occurring in:
  1. DNA gyrase subunit B
IPR001241
Domain description: DNA topoisomerase, type IIA
Occurring in:
  1. DNA gyrase subunit B
IPR036890
Domain description: Histidine kinase/HSP90-like ATPase superfamily
Occurring in:
  1. DNA gyrase subunit B