About The Medical Condition DNA-Gyrase
Find the definition of the medical term DNA-Gyrase. DNA-Gyrase defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
DNA-Gyrase
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What's The Definition Of The Medical Condition DNA-Gyrase?
A bacterial DNA topoisomerase II that catalyzes ATP-dependent breakage of both strands of DNA, passage of the unbroken strands through the breaks, and rejoining of the broken strands. Gyrase binds to DNA as a heterotetramer consisting two A and two B subunits. In the presence of ATP, gyrase is able to convert relaxed circular DNA duplex into a superhelix. In the absence of ATP, supercoiled DNA is relaxed by DNA gyrase.
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