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Key Documents

U4375

Sigma-Aldrich

Uridine 5′-diphospho-N-acetylglucosamine sodium salt

≥98%

Synonym(s):

UDP-GlcNAc, UDP-N-acetylglucosamine, UDPAG

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About This Item

Linear Formula:
C17H25N3O17P2Na2
CAS Number:
Molecular Weight:
651.32
EC Number:
MDL number:
UNSPSC Code:
41106305
PubChem Substance ID:
NACRES:
NA.51

biological source

bakers yeast

Quality Level

Assay

≥98%

form

powder

storage temp.

−20°C

SMILES string

[Na+].[Na+].CC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)N3C=CC(=O)NC3=O

InChI

1S/C17H27N3O17P2.2Na/c1-6(22)18-10-13(26)11(24)7(4-21)35-16(10)36-39(31,32)37-38(29,30)33-5-8-12(25)14(27)15(34-8)20-3-2-9(23)19-17(20)28;;/h2-3,7-8,10-16,21,24-27H,4-5H2,1H3,(H,18,22)(H,29,30)(H,31,32)(H,19,23,28);;/q;2*+1/p-2/t7-,8-,10-,11-,12-,13-,14-,15-,16-;;/m1../s1

InChI key

HXWKMJZFIJNGES-YZVFIFBQSA-L

General description

Uridine 5′-diphospho-N-acetylglucosamine (UDP-GlcNAc) is a nucleotide sugar. It is synthesized from glucose via the hexosamine biosynthetic pathway (HBP). UDP-GlcNAc is transported actively into Golgi, nucleotide sugar transporter (NST). The levels of UDP-GlcNAc is modulated by the concentration of nutrients exposed to the cell.

Application

Uridine 5′-diphospho-N-acetylglucosamine (UDP-GlcNAc) sodium salt has been used:
  • as a component of reaction cocktail in endoplasmic reticulum to Golgi transport assay
  • as a reference standard for the quantification of UDP-GlcNAc in liver tissues using high-performance liquid chromatography (HPLC)
  • in testing the glycosylation activity of O-GlcNAc transferase (OGT) against peptide substrate

Biochem/physiol Actions

Uridine 5′-diphospho-N-acetylglucosamine (UDP-GlcNAc) is a sugar donor and aids in the endomembrane glycosylation of endoplasmic reticulum and Golgi. The decreased levels of UDP-GlcNAc has an influence on the normal cellular proliferation and apoptosis. UDP-GlcNAc elicits feedback inhibition of the enzyme glutamine:fructose-6-phosphate amidotransferase (GFAT).
Donor substrate for transfer of GlcNAc to the dolichol precursor in the synthesis of N-glycans. UDP-GlcNAc also functions as the source of GlcNAc attached to serine/threonine residues by O-GlcNAc transferase (OGT) in O-GlcNAc signaling.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Aksana A Labokha et al.
The EMBO journal, 32(2), 204-218 (2012-12-04)
Nuclear pore complexes (NPCs) control the traffic between cell nucleus and cytoplasm. While facilitating translocation of nuclear transport receptors (NTRs) and NTR·cargo complexes, they suppress passive passage of macromolecules 30 kDa. Previously, we reconstituted the NPC barrier as hydrogels comprising S.
Stephanie M Halmo et al.
The Journal of biological chemistry, 292(6), 2101-2109 (2016-12-10)
Disruption of the
Enhanced transfer of a photocross-linking N-acetylglucosamine (GlcNAc) analog by an O-GlcNAc transferase mutant with converted substrate specificity
Rodriguez AC, et al.
The Journal of biological chemistry, 290(37), 22638-22648 (2015)
A Golgi UDP-GlcNAc transporter delivers substrates for N-linked glycans and sphingolipids
Ebert B, et al.
Nature plants, 1-1 (2018)
Microsome-Based Assay for Analysis of Endoplasmic Reticulum to Golgi Transport in Mammalian Cells
Cell Biology, 209-214 (2006)

Articles

The presence of multiple functional groups and stereocenters in complex carbohydrates makes them challenging targets for the organic chemist.

Glycosyltransferases were initially considered to be specific for a single glycosyl donor and acceptor, which led to the one enzyme-one linkage concept. Subsequent observations have refuted the theory of absolute enzymatic specificity by describing the transfer of analogs of some nucleoside mono- or diphosphate sugar donors.

Review article and products for sialic acid synthesis and signaling.

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