right-handed DNA

См. также в других словарях:

• 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 — 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

• 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 — (= deoxyribonucleic acid) The genetic material of all cells and many viruses. A polymer of nucleotides. The monomer consists of phosphorylated 2 deoxyribose N glycosidically linked to one of four bases : adenine, cytosine, guanine or thymine.… …   Dictionary of molecular biology

• A-DNA — Right handed double helical DNA with approximately 11 residues per turn. Planes of base pairs in the helix are tilted 20° away from perpendicular to the axis of the helix. Formed from B DNA by dehydration …   Dictionary of molecular biology

• Z-DNA — The Z DNA structure.Proteopedia Z DNA Z DNA is one of the many possible double helical structures of DNA. It is a left handed double helical structure in which the double helix winds to the left in a zig zag pattern (instead of to the right, like …   Wikipedia

• A-DNA — is one of the many possible double helical structures of DNA. It is a right handed double helix fairly similar to the more common and well known B DNA form, but with a shorter more compact helical structure. A DNA is thought to be one of three… …   Wikipedia

• Z-DNA — ˈ ̷ ̷ ˌ ̷ ̷ (ˌ) ̷ ̷ ˈ ̷ ̷ noun Etymology: zigzag : the left handed uncommon form of double helix DNA in which the chains twist up and to the left around the front of the axis of the helix and that has 12 base pairs in each helical turn and one… …   Useful english dictionary

• B-DNA — bē .dē .en ā n the right handed typical form of double helix DNA in which the chains twist up and to the right around the front of the axis of the helix and that has usu. ten base pairs in each helical turn and two grooves on the external surface …   Medical dictionary

• A-DNA — a double helical structure assumed by RNA DNA and RNA RNA chains, or sometimes formed by double stranded DNA under dehydrating conditions, in which the two chains form a right handed helix, but more compactly than in B DNA; there are 11 bases per …   Medical dictionary

• B-DNA — The structural form of DNA originally described by Crick and Watson. It is the form normally found in hydrated DNA and is strictly an average, approximate stucture for a family of B forms. In B DNA, the double helix is a right handed helix with… …   Dictionary of molecular biology