UDP-N-acetylglucosamine diphosphorylase

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Class of enzymes

In enzymology, an UDP-N-acetylglucosamine diphosphorylase (EC 2.7.7.23) is an enzyme that catalyzes the chemical reaction

UTP + N-acetyl-alpha-D-glucosamine 1-phosphate ⇌ {\displaystyle \rightleftharpoons } diphosphate + UDP-N-acetyl-D-glucosamine

Thus, the two substrates of this enzyme are UTP and[N-acetyl-alpha-D-glucosamine 1-phosphate, whereas its two products are diphosphate and UDP-N-acetyl-D-glucosamine. This enzyme participates in aminosugars metabolism.

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Nomenclature

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing nucleotide groups (nucleotidyltransferases). The systematic name of this enzyme class is UTP:N-acetyl-alpha-D-glucosamine-1-phosphate uridylyltransferase. Other names in common use include UDP-N-acetylglucosamine pyrophosphorylase, uridine diphosphoacetylglucosamine pyrophosphorylase, UTP:2-acetamido-2-deoxy-alpha-D-glucose-1-phosphate, uridylyltransferase, UDP-GlcNAc pyrophosphorylase, GlmU uridylyltransferase, Acetylglucosamine 1-phosphate uridylyltransferase, UDP-acetylglucosamine pyrophosphorylase, uridine diphosphate-N-acetylglucosamine pyrophosphorylase, uridine diphosphoacetylglucosamine phosphorylase, and acetylglucosamine 1-phosphate uridylyltransferase.

Pattabiraman TN, Bachhawat BK (June 1961). "Purification of uridine diphosphoacetylglucosamine pyrophosphorylase from sheep brain". Biochimica et Biophysica Acta. 50: 129–34. doi:10.1016/0006-3002(61)91068-X. PMID 13733356.
Strominger JL, Smith MS (1959). "Uridine diphosphoacetylglucosamine pyrophosphorylase". J. Biol. Chem. 234 (7): 1822–1827. doi:10.1016/S0021-9258(18)69933-8. PMID 13672971.