About The Medical Condition GyrA Protein
Find the definition of the medical term GyrA Protein. GyrA Protein defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
GyrA Protein
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What's The Definition Of The Medical Condition GyrA Protein?
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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