guanine nucleotide

  • 1 guanine nucleotide — guanylic acid …

    Medical dictionary

  • 2 Guanine nucleotide exchange factor — Guanine nucleotide exchange factors (GEFs) are components of intracellular signalling networks. They function as activators of small GTPases (see Nucleotide exchange factor). In their resting state, G proteins are bound to Guanosine diphosphate… …

    Wikipedia

  • 3 Nucleotide exchange factor — Nucleotide exchange factors (NEFs) are proteins that stimulate the exchange (replacement) of nucleoside diphosphates for nucleoside triphosphates bound to other proteins. Function Many cellular proteins cleave (hydrolyze) nucleoside… …

    Wikipedia

  • 4 Nucleotide — Nucléotide Les nucléotides sont des acides désoxyribonucléiques pour l ADN et ribonucléiques pour l ARN. Un nucléotide est composé de 3 parties : un groupement phosphate (ou acide phosphorique), identique pour les nucléotides de l ADN et de… …

    Wikipédia en Français

  • 5 Guanine — Structure de la 1,9H guanine Général …

    Wikipédia en Français

  • 6 Nucleotide sugar — Nucleotide sugars are the activated forms of monosaccharides. Nucleotide sugars act as glycosyl donors in glycosylation reactions. Those reactions are catalyzed by a group of enzymes called glycosyltransferases. Contents 1 History 2 Biological… …

    Wikipedia

  • 7 Nucleotide — Nucleotides are molecules that, when joined together, make up the structural units of RNA and DNA. In addition, nucleotides participate in cellular signaling (cGMP and cAMP), and are incorporated into important cofactors of enzymatic reactions… …

    Wikipedia

  • 8 Nucleotide salvage — A salvage pathway is a pathway in which nucleotides (purine and pyrimidine) are synthesized from intermediates in the degradative pathway for nucleotides. Salvage pathways are used to recover bases and nucleosides that are formed during… …

    Wikipedia

  • 9 Nucléotide — Structure des nucléotides Un nucléotide est une molécule organique composée d une nucléobase, d un pentose et de 1 à 3 groupements phosphates. Certains nucléotides forment la base de l ADN et de l ARN, d autres sont des cofacteurs ou coenzymes.… …

    Wikipédia en Français

  • 10 nucleotide — /nooh klee euh tuyd , nyooh /, n. Biochem. any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in… …

    Universalium

  • 11 guanine — /gwah neen/, n. Biochem. a purine base, C5H5N5O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G Cf. guanosine. [GUAN(O) + INE2] * * * Organic compound of the purine family, often called a… …

    Universalium

  • 12 Nucleotide — A subunit of DNA or RNA. To form a DNA or RNA molecule, thousands of nucleotides are joined in a long chain. Each nucleotide is divided into three parts (with apologies to Caesar): {{}}A nitrogenous base (A, G, T, or C in DNA; A, G, U, or C in… …

    Medical dictionary

  • 13 nucleotide — A nucleoside with one or more phosphate groups linked at the 3 or 5 hydroxyl of a pentose sugar. When the sugar is ribose, the nucleotide is a ribonucleotide; when it is 2 deoxyribose, the nucleotide is a deoxyribonucleotide. RNA and DNA are… …

    Glossary of Biotechnology

  • 14 guanine — (G)    One of the four nucleotide that is found in DNA …

    Forensic science glossary

  • 15 guanine —   (G)   A pyrimidine base, C4H5N3O, that is the nucleotide constituent of DNA and RNA involved in base pairing with cytosine (C).   See also adenine (A), thymine (T), uracil (U) …

    Expanded glossary of Cycad terms

  • 16 nucleotide —   Any of various compounds consisting of a nucleoside combined with a phosphate group and forming the basic constituent of DNA and RNA.   See also adenine (A), cytosine (C), guanine (G), thymine (T), uracil (U) …

    Expanded glossary of Cycad terms

  • 17 nucleotide — n. a compound consisting of a nitrogen containing base (a purine or pyrimidine) linked to a sugar and a phosphate group. Nucleic acids (DNA and RNA) are long chains of linked nucleotides (polynucleotide chains), which in DNA contain the purine… …

    The new mediacal dictionary

  • 18 nucleotide — nu•cle•o•tide [[t]ˈnu kli əˌtaɪd, ˈnyu [/t]] n. biochem. gen any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: in DNA the group comprises a phosphate group, the bases adenine, cytosine, guanine, and… …

    From formal English to slang

  • 19 Guanosine nucleotide dissociation inhibitors — The Guanosine nucleotide dissociation inhibitors (GDIs), bind to the GDP bound form of Rho and Rab small GTPases and not only prevent exchange (maintaining the small GTPase in an off state), but also prevent the small GTPase from localizing at… …

    Wikipedia

  • 20 Hypoxanthine-guanine phosphoribosyltransferase — (HPRTcite web |url=http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=gene cmd=retrieve dopt=default list uids=3251 rn=1 |title=Entrez Gene: hypoxanthine phosphoribosyltransferase 1 (Lesch Nyhan syndrome)] ) is an enzyme in purine metabolism. PBB… …

    Wikipedia

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.