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DNA gyráza

  1. Record numberd027081
    Date06.06.2025
    TypeM - MESH
    Topical termDNA gyráza
    Other termEnglish (Pseudonym) DNA Gyrase A Subunit
    English (Pseudonym) DNA Gyrase B Subunit
    Slovak (Pseudonym) DNA gyráza, A podjednotka
    Slovak (Pseudonym) DNA gyráza, A subjednotka
    Slovak (Pseudonym) DNA gyráza, B podjednotka
    Slovak (Pseudonym) DNA gyráza, B subjednotka
    UDCD08.811.399.403.741.149D12.776.097.237
    NoteA 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 of two A and two B subunits. In the presence of ATP, gyrase is able to convert the relaxed circular DNA duplex into a superhelix. In the absence of ATP, supercoiled DNA is relaxed by DNA gyrase.
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