Guanosine diphosphate mannose
Template:Chembox Guanosine diphosphate mannose or GDP-mannose is a nucleotide sugar that is a substrate for glycosyltransferase reactions in metabolism. This compound is a substrate for enzymes called mannosyltransferases.
Known as donor of activated mannose in all glycolytic reactions, GDP-mannose is essential in eukaryotes.[1]
Biosynthesis
GDP-mannose is produced from GTP and mannose-6-phosphate by the enzyme mannose-1-phosphate guanylyltransferase (GDP-mannose pyrophosphorylase, GDP-MP).[2] This enzyme belongs to a family of nucleotidyl-transferases and is a pervasive enzyme found in bacteria, fungi, plants, and animals.[3]
References
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See also
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