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Chemical compound
Uridine diphosphate glucose (uracil-diphosphate glucose, UDP-glucose) is a nucleotide sugar. It is involved in glycosyltransferase reactions in metabolism.
Functions
UDP-glucose is used in nucleotide sugar metabolism as an activated form of glucose, a substrate for enzymes called glucosyltransferases.[1]
UDP-glucose is a precursor of glycogen and can be converted into UDP-galactose and UDP-glucuronic acid, which can then be used as substrates by the enzymes that make polysaccharides containing galactose and glucuronic acid.
UDP-glucose can also be used as a precursor of sucrose, lipopolysaccharides and glycosphingolipids.
Components
UDP-glucose consists of the pyrophosphate group, ribose, glucose, and uracil.
See also
References
- ^ Rademacher T, Parekh R, Dwek R (1988). "Glycobiology". Annu Rev Biochem. 57: 785–838. doi:10.1146/annurev.bi.57.070188.004033. PMID 3052290.
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