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・ UDP-glucose 6-dehydrogenase
・ UDP-glucose—glycoprotein glucose phosphotransferase
・ UDP-glucose—hexose-1-phosphate uridylyltransferase
・ UDP-glucuronate 4-epimerase
・ UDP-glucuronate 5'-epimerase
・ UDP-glucuronate decarboxylase
・ UDP-glucuronic acid dehydrogenase
・ UDP-Lite
・ UDP-N,N'-diacetylbacillosamine 2-epimerase (hydrolysing)
・ UDP-N-acetyl-2-amino-2-deoxyglucuronate dehydrogenase
・ UDP-N-acetyl-alpha-D-glucosamine hydro-lyase
・ UDP-N-acetyl-D-mannosamine dehydrogenase
・ UDP-N-acetylgalactosamine diphosphorylase
・ UDP-N-acetylgalactosamine-4-sulfate sulfotransferase
・ UDP-N-acetylglucosamine 1-carboxyvinyltransferase
UDP-N-acetylglucosamine 2-epimerase
・ UDP-N-acetylglucosamine 2-epimerase (hydrolysing)
・ UDP-N-acetylglucosamine 4,6-dehydratase (configuration-inverting)
・ UDP-N-acetylglucosamine 4,6-dehydratase (configuration-retaining)
・ UDP-N-acetylglucosamine 4-epimerase
・ UDP-N-acetylglucosamine 6-dehydrogenase
・ UDP-N-acetylglucosamine diphosphorylase
・ UDP-N-acetylglucosamine enolpyruvyl transferase
・ UDP-N-acetylglucosamine kinase
・ UDP-N-acetylglucosamine—decaprenyl-phosphate N-acetylglucosaminephosphotransferase
・ UDP-N-acetylglucosamine—dolichyl-phosphate N-acetylglucosaminephosphotransferase
・ UDP-N-acetylglucosamine—lysosomal-enzyme N-acetylglucosaminephosphotransferase
・ UDP-N-acetylglucosamine—undecaprenyl-phosphate N-acetylglucosaminephosphotransferase
・ UDP-N-acetylmuramate dehydrogenase
・ UDP-N-acetylmuramate—L-alanine ligase


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UDP-N-acetylglucosamine 2-epimerase : ウィキペディア英語版
UDP-N-acetylglucosamine 2-epimerase

In enzymology, an UDP-N-acetylglucosamine 2-epimerase () is an enzyme that catalyzes the chemical reaction
:UDP-N-acetyl-D-glucosamine \rightleftharpoons UDP-N-acetyl-D-mannosamine
Hence, this enzyme has one substrate, UDP-N-acetyl-D-glucosamine, and one product, UDP-N-acetyl-D-mannosamine.
This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on carbohydrates and derivatives. The systematic name of this enzyme class is UDP-N-acetyl-D-glucosamine 2-epimerase. Other names in common use include UDP-N-acetylglucosamine 2'-epimerase, uridine diphosphoacetylglucosamine 2'-epimerase, uridine diphospho-N-acetylglucosamine 2'-epimerase, and uridine diphosphate-N-acetylglucosamine-2'-epimerase. This enzyme participates in aminosugars metabolism.
In microorganisms this epimerase is involved in the synthesis of the capsule precursor UDP-ManNAcA. An inhibitor of the bacterial 2-epimerase, epimerox, has been described. Some of these enzymes are bifunctional. The UDP-N-acetylglucosamine 2-epimerase from rat liver displays both epimerase and kinase activity.
==Structural studies==

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes , , , and .

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