Cytidine monophosphate

Cytidine monophosphate
Skeletal formula of cytidine monophosphate as an anion (1- charge)
Space-filling model of the cytidine monophosphate molecule as anion (2- charge)
Names
IUPAC name
[(2R,3S,4R,5R)-5-(4-Amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl dihydrogen phosphate
Other names
Cytidylic acid; 5'-Cytidylic acid; Cytidine 5'-monophosphate; Cytidine 5'-phosphate; Cytidylate; 5'-CMP
Identifiers
63-37-6 YesY
ChEBI CHEBI:17361 YesY
ChEMBL ChEMBL307679 YesY
ChemSpider 5901 YesY
Jmol interactive 3D Image
PubChem 6131
Properties
C9H14N3O8P
Molar mass 323.20 g·mol−1
Acidity (pKa) 0.8, 4.5, 6.3
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Cytidine monophosphate, also known as 5'-cytidylic acid or simply cytidylate, and abbreviated CMP, is a nucleotide that is used as a monomer in RNA.[1] It is an ester of phosphoric acid with the nucleoside cytidine. CMP consists of the phosphate group, the pentose sugar ribose, and the nucleobase cytosine; hence, a ribonucleoside monophosphate. As a substituent it takes the form of the prefix cytidylyl-.

Metabolism

CMP can be phosphorylated to cytidine diphosphate by the enzyme CMP kinase, with adenosine triphosphate or guanosine triphosphate donating the phosphate group. Since cytidine triphosphate is generated by amination of uridine triphosphate, the main source of CMP is from RNA being decomposed by RNAse.

See also

References

  1. Pascal JM (February 2008). "DNA and RNA ligases: structural variations and shared mechanisms". Curr. Opin. Struct. Biol. 18 (1): 96–105. doi:10.1016/j.sbi.2007.12.008. PMID 18262407.
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