Mycobacterium tuberculosis DNA gyrase possesses two functional GyrA-boxes.
Bouige, A., Darmon, A., Piton, J., Roue, M., Petrella, S., Capton, E., Forterre, P., Aubry, A., Mayer, C.(2013) Biochem J 455: 285-294
- PubMed: 23869946 
- DOI: 10.1042/BJ20130430
- Primary Citation of Related Structures:  
4G3N - PubMed Abstract: 
In contrast with most bacteria which possess two type II topoisomerases (topoisomerase IV and DNA gyrase), Mycobacterium tuberculosis possesses only one, DNA gyrase, which is functionally a hybrid enzyme. Functional differences between the two type IIA t ...