ribonucleotide

ribonucleotide
- r. reductase a protein complex that converts r. diphosphates (NDPs) such as ADP and CDP to 2′-deoxyribonucleotide diphosphates (dNDPs) such as dADP and dCDP. This complex requires thioredoxin, thioredoxin reductase, and NADPH. It is crucial for DNA synthesis.

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ri·bo·nu·cle·o·tide -.tīd n a nucleotide that contains ribose and occurs esp. as a constituent of RNA

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ri·bo·nu·cleo·tide (ri″bo-nooґkle-o-tīd) a nucleotide in which the purine or pyrimidine base is combined with ribose.

Medical dictionary. 2011.

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  • Ribonucleotide — Ribonucléotide Un ribonucléotide comprend une base azotée (adénine, guanine, cytosine ou uracile), un ribose et un ou plusieurs groupements phosphates (un à trois). Il peut être retrouvé sous forme libre dans la cellule, notamment en temps qu ATP …   Wikipédia en Français

  • ribonucleotide — ribonucleotide. См. рибонуклеотид. (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.

  • ribonucleotide — [rī΄bō no͞o′klē ə tīd΄, rī΄bōnyo͞o′klē ə tīd΄] n. any of various nucleotides in which the carbohydrate component is ribose: a structural unit of RNA …   English World dictionary

  • Ribonucleotide — A ribonucleotide is a nucleotide in which a purine or pyrimidine base is linked to a ribose molecule. The base may be adenine (A), guanine (G), cytosine (C), or uracil (U). Note that thymine (T), which is found in deoxyribonucleotides, is not… …   Wikipedia

  • Ribonucléotide — Un ribonucléotide comprend une base azotée (adénine, guanine, cytosine ou uracile), un ribose et un ou plusieurs groupements phosphates (un à trois). Il peut être retrouvé sous forme libre dans la cellule, notamment en temps qu ATP (adénosine… …   Wikipédia en Français

  • ribonucleotide — ribonukleotidas statusas T sritis chemija apibrėžtis Nukleotidas, kurio sudėtyje yra D ribozės. atitikmenys: angl. ribonucleotide rus. рибонуклеотид …   Chemijos terminų aiškinamasis žodynas

  • Ribonucleotide reductase inhibitor — Ribonucleotide reductase inhibitors are a family of anticancer drugs that interfere with the growth of tumor cells by blocking the formation of deoxyribonucleotides (building blocks of DNA). External links * [http://www.cancer.gov/Templates/db… …   Wikipedia

  • Ribonucleotide reductase — protein Name = ribonucleotide reductase M1 polypeptide caption = width = HGNCid = 10451 Symbol = RRM1 AltSymbols = EntrezGene = 6240 OMIM = 180410 RefSeq = NM 001033 UniProt = P23921 PDB = ECnumber = 1.17.4.1 Chromosome = 11 Arm = p Band = 15.5… …   Wikipedia

  • Ribonucleotide Reductase — R2 Untereinheit der Class I RNR Die Ribonukleotidreduktase (oft auch als RNR abgekürzt) ist ein Enzym, welches das letzte Glied in der Kette der Synthese der DNA Bausteine bildet. Es reduziert die 2 Hydroxylgruppe von Nukleotiden.… …   Deutsch Wikipedia

  • ribonucleotide — noun Date: 1929 a nucleotide that contains ribose and occurs especially as a constituent of RNA …   New Collegiate Dictionary

  • Ribonucleotide — Ribonukleotide sind die Bausteine der Ribonukleinsäure (RNA). Zusammen mit den Desoxyribonukleotiden gehören sie zu den Nukleotiden. Siehe auch Nukleinbasen, Purin, Pyrimidin, Ribose, Desoxyribose, Nukleosid, Nukleotid, Nukleinsäure …   Deutsch Wikipedia

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