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 nanotechnology — seeks to make artificial, designed nanostructures out of nucleic acids, such as this DNA tetrahedron.[1] Each edge of the tetrahedron is a 20 base pair DNA double helix, and each vertex is a three arm junction. DNA n … 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
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
DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two … Wikipedia
topology — 1. SYN: regional anatomy. 2. The study of the dimensions of personality. [topo + G. logos, study] * * * to·pol·o·gy tə päl ə jē, tä n, pl gies 1) REGIONAL ANATOMY 2) CONFIGURATION … Medical dictionary
Molecular models of DNA — While this purified DNA precipitated in a water jug (left) appears to be a formless mass, nucleic acids actually possess intricate structure at the nanoscale (right). M … Wikipedia
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
Topoisomerase — Topoisomerases (type I: EC 5.99.1.2, type II: EC 5.99.1.3) are enzymes that regulate the overwinding or underwinding of DNA. The winding problem of DNA arises due to the intertwined nature of its double helical structure. For example, during DNA… … Wikipedia
