Tags: Enzyme.
DNA topoisomerase (EC 5.99.1.2 type I DNA topoisomerase untwisting enzyme relaxing enzyme nicking-closing enzyme swivelase omega-protein deoxyribonucleate topoisomerase) is an enzyme with system name DNA topoisomerase. This enzyme catalyses the following chemical reaction ATP-independent breakage of single-stranded DNA followed by passage and rejoiningThese enzymes bring about the conversion of one topological isomer of DNA into another.