A superhelical spiral in the Escherichia coli DNA gyrase A C-terminal domain imparts unidirectional supercoiling bias
Ruthenburg, A.J., Graybosch, D.M., Huetsch, J.C., Verdine, G.L.(2005) J Biol Chem 280: 26177-26184
- PubMed: 15897198 
- DOI: 10.1074/jbc.M502838200
- Primary Citation of Related Structures:  
1ZI0 - PubMed Abstract: 
DNA gyrase is unique among type II topoisomerases in that its DNA supercoiling activity is unidirectional. The C-terminal domain of the gyrase A subunit (GyrA-CTD) is required for this supercoiling bias. We report here the x-ray structure of the Escheric ...