Uridine triphosphate

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Section1 = Chembox Identifiers
CASNo = 63-39-8
PubChem = 1181
MeSHName = Uridine+triphosphate

Section2 = Chembox Properties
Formula = C9H15N2O15P3
MolarMass = 484.141
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Uridine triphosphate is a pyrimidine nucleotide, consisting of the organic base uracil linked to the 1' carbon atom of the sugar ribose, esterified with tri-phosphoric acid at its 5'-position. Its main role is as substrate for the synthesis of RNA during transcription.

UTP also has the role of a source of energy or an activator of substrates in metabolic reactions, like that of ATP, but more specific. When UTP activates a substrate, UDP-substrate is usually formed and inorganic phosphate is released. UDP-glucose enters the synthesis of glycogen. UTP is used in the metabolism of galactose, where the activated form UDP-galactose is converted to UDP-glucose. UDP-glucuronate is used to conjugate bilirubin to a more water soluble bilirubin diglucuronide.

ee also

* CTP synthase

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Look at other dictionaries:

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  • uridine — Uracil ribonucleoside; one of the major nucleosides in RNAs; as the pyrophosphate (UDP, UDPG, etc.), u. is active in sugar metabolism. SYN: 1 β d ribofuranosyluracil. cyclic u. 3′,5′ monophosphate (cUMP) a cyclic …   Medical dictionary

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