An important bacterial enzyme called DNA gyrase is responsible for catalyzing the negative supercoiling of chromosomal and plasmid DNA.
DNA takes on a branching and interwound shape in the supercoiled state, which enables the big chromosome to function in the very limited environment of a bacterial cell.An important bacterial enzyme called DNA gyrase is responsible for the ATP-dependent negative super-coiling of double-stranded closed-circular DNA. Gyrase is a member of the group of enzymes called topoisomerases that regulate DNA's topological transitions. From an enzymological perspective, the process by which gyrase is able to affect the topological state of DNA molecules is of inherent interest. Additionally, the intracellular target of several antibacterial drugs, DNA gyrase, has received a lot of interest as a model for additional DNA topoisomerases. In this review, we discuss a variety of elements of the study of DNA gyrase in order to provide a current summary of our understanding.
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