N-nucleotides, or nontemplated nucleotides are believed to exist only to create diversity at V(D)J junctions (see V(D)J recombination) during lymphocyte development [1]. The addition of these nucleotides is aided by an enzyme called Terminal deoxynucleotidyl transferase (TdT)
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Nucleotide diversity — is a concept in molecular genetics which is used to measure the degree of polymorphism within a population. [1] One commonly used measure of nucleotide diversity was first introduced by Nei and Li in 1979. This measure is defined as the average… … Wikipedia
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
Nucleotide diphosphokinase — Identifiers EC number 2.7.6.4 CAS number 53167 92 3 … Wikipedia
Nucleotide diphosphatase — Identifiers EC number 3.6.1.9 CAS number 9032 64 8 … Wikipedia
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
nucléotide — [ nykleɔtid ] n. m. • 1963; de nucléo et ide ♦ Biochim. Constituant élémentaire des acides nucléiques formé par un nucléoside associé à un phosphate. ● nucléotide nom masculin Molécule biologique résultant de l union d un nucléoside avec l acide… … Encyclopédie Universelle
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
Nucléotide ose — Un nucléotide ose est un ose simple lié à un nucléotide. Par exemple l UDP glucose Portail de la biochimie Ce document provient de « Nucl%C3%A9otide ose ». Catégories : Glucide | Coenzyme | Mét … Wikipédia en Français
nucleotide — ucleotide n. a phosphate ester of a nucleoside; one of the monomeric components of DNA or RNA. [WordNet 1.5 +PJC] … The Collaborative International Dictionary of English
nucleotide — nucleotide. См. нуклеотид. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) … Молекулярная биология и генетика. Толковый словарь.
Nucleotide — Nucleotide, aus einer Pentose, einem Phosphorsäurerest und einer Purinbase (Adenin, Guanin) oder Pyrimidinbase (Cytosin, Thymin, Uracil) bestehende Stoffwechselregulatoren; sie dienen in Form von Adenosindiphosphat (ADP) und Adenosintriphosphat… … Deutsch wörterbuch der biologie
