Term Name:	DNA gyrase complex
Synonyms:	topoisomerase II complex
Definition:	A bacterial type IIA topoisomerase that is unique in its function of introducing negative supercoils into DNA at the expense of ATP hydrolysis and is also capable of relaxing positive supercoils, an activity shared with topoisomerase IV. Typically, it is composed of two copies each of an A subunit (GyrA) and a B subunit (GyrB).
Ontology:	GO: Cellular Component [GO:0120217]    QuickGO    AmiGO