guanosine triphosphate

guanosine triphosphate
guanosine triphosphate n GTP

* * *

(GTP) a nucleotide, the 5′-triphosphate of guanosine; it is an activated precursor in the synthesis of ribonucleic acid and is also involved in energy metabolism, being produced from GDP by substrate level phosphorylation in the tricarboxylic acid (Krebs) cycle and serving as a source of free energy to drive protein synthesis. The ratio of GTP to ATP is maintained by the reversible transfer of phosphate catalyzed by GDP kinase.

Medical dictionary. 2011.

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  • Guanosine triphosphate — Pour les articles homonymes, voir GTP. Guanosine triphosphate …   Wikipédia en Français

  • guanosine triphosphate — guanosine 5 triphosphate Abbreviation: GTP. See: guanylic acid …   Glossary of Biotechnology

  • Guanosine-triphosphate guanylyltransferase — In enzymology, a guanosine triphosphate guanylyltransferase (EC number|2.7.7.45) is an enzyme that catalyzes the chemical reaction:2 GTP ightleftharpoons diphosphate + P1,P4 bis(5 guanosyl) tetraphosphateHence, this enzyme has one substrate, GTP …   Wikipedia

  • guanosine triphosphate — noun Date: circa 1962 GTP …   New Collegiate Dictionary

  • guanosine triphosphate — Biochem. See GTP. * * * …   Universalium

  • guanosine triphosphate — gua′nosine triphos′phate n. biochem. See GTP …   From formal English to slang

  • guanosine triphosphate — noun : GTP herein …   Useful english dictionary

  • Guanosine — Général Nom IUPAC 2 amino 9 [(2R,3R,4S,5R) 3,4 dihydroxy 5 (hydroxyméthyl)tétrahydrofuran 2 yl] 1,9 dihydro 6H purin 6 one …   Wikipédia en Français

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