superhelical DNA

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• DNA supercoil — Supercoiled structure of circular DNA molecules with low writhe. Note that the helical nature of the DNA duplex is omitted for clarity …   Wikipedia

• DNA mismatch repair — is a system for recognizing and repairing erroneous insertion, deletion and mis incorporation of bases that can arise during DNA replication and recombination, as well as repairing some forms of DNA damage.[1][2] Mismatch repair is strand… …   Wikipedia

• DNA gyrase — DNA gyrase, often referred to simply as gyrase, is an enzyme that relieves strain while double stranded DNA is being unwound by helicase. This causes negative supercoiling of the DNA. Bacterial DNA gyrase is the target of many antibiotics,… …   Wikipedia

• DNA topoisomerase (ATP-hydrolyzing) — DNA topo·isom·er·ase (ATP hy·dro·lyz·ing) (to″po i somґər ās hiґdro li zing) [EC 5.99.1.3] an enzyme of the isomerase class that catalyzes the ATP dependent breakage, passage, and rejoining of both strands of a DNA helix… …   Medical dictionary

• DNA topoisomerase — DNA topo·isom·er·ase (to″po i somґər ās) [EC 5.99.1.2] an enzyme of the isomerase class that catalyzes the ATP independent breakage, passage, and rejoining of a single strand of DNA, altering the topology of the molecule by single …   Medical dictionary

• Mechanical properties of DNA — The mechanical properties of DNA, which are directly related to its structure, are a significant problem for cells. Every process which binds or reads DNA is able to use or modify the mechanical properties of DNA for purposes of recognition,… …   Wikipedia

• DEK (gene) — DEK oncogene PDB rendering based on 1q1v …   Wikipedia

• Polydnavirus — Taxobox color = violet name = Polydnavirus image caption = Electron micrograph of a bracovirus virus group = i familia = Polydnaviridae subdivision ranks = Genera subdivision = Ichnovirus Bracovirus The… …   Wikipedia

• gy|rase — «JY rays», noun. an enzyme which changes double helical DNA into superhelical DNA …   Useful english dictionary

• Topology — To*pol o*gy, n. [Gr. ? place + logy.] The art of, or method for, assisting the memory by associating the thing or subject to be remembered with some place. [R.] [1913 Webster] 2. a branch of mathematics which studies the properties of geometrical …   The Collaborative International Dictionary of English

• superhelix — superhelical /sooh peuhr hel i keuhl, hee li /, adj. superhelicity /sooh peuhr heuh lis i tee/, n. /sooh peuhr hee liks/, n., pl. superhelices / hel euh seez /, superhelixes. Biochem. a coil formed by intertwined helical DNA or by protein chains …   Universalium