UDP-N-azidoacetylglucosamine disodium salt: a key tool in the chemical biology of glycoproteins

UDP-N-2-[(azidoacetyl)amino]-2-deoxy-D-glucose disodium salt (UDP-N-azidoacetylglucosaminedisodium salt) is a type of sugar nucleotide modified by chemical biology. As a core reagent for metabolic glycoengineering, it enables researchers to specifically label and regulate the intracellular glycosylation process, providing a powerful impetus for glycoprotein functional research, drug target discovery and the development of new bioconjugation strategies.

Chemical Information

Chemical name: UDP-N-2-[(azidoacetyl)amino]-2-deoxy-D-glucose disodium salt

Common name: UDP-azidoacetylglucosamine disodium salt

English name: UDP-N-azidoacetylglucosamine disodium salt

Chemical formula: C17H24N6O17P2Na2

Molecular weight: 692.05 g/mol

Category: Sugar Nucleotides

Structural features

This compound is precisely engineered based on the structure of the natural sugar nucleotide UDP-GlcNAc. Its core features are:

Active azide group: Introducing the azide (-N3) functional group at the N-acetyl position of glucosamine. This small and flexible chemical handle is inherently inert to biological systems, but can be specifically covalently attached to probes, tags, or carriers with corresponding pairing groups (e.g., alkynyl groups) through highly selective and efficient click chemistry reactions (such as copper-catalyzed azide-alkyne cycloaddition, or strain-promoted click chemistry).

Complete biorecognition skeleton: It retains the core structure of uridine diphosphate (UDP) and sugar ring, allowing it to be recognized and utilized by intracellular glycosyltransferases and incorporated into the newly synthesized sugar chain structure as a substrate.

Main applications and advantages

Metabolic glycoengineering and glycoprotein labeling

As a metabolic precursor, it can be taken up by cells and used in the N-linked and O-linked glycosylation modification pathways of proteins. The azidoglycosyl moiety incorporated into glycoproteins can be used as bioorthogonal tags to connect fluorescent dyes, biotin, affinity tags or functional molecules through click chemistry to achieve visual tracking, isolation and purification or functional regulation of newly synthesized glycoproteins within a specific period of time. This technology is a powerful tool for mapping dynamic glycosylation and studying glycoprotein function and transport.

Bioconjugation and drug development

Azide functional groups on sugar chains provide an ideal platform for site-specific bioconjugation. It can be used to develop antibody-drug conjugates, construct glycoprotein mimetics, and modify the surface of viral vectors or nanoparticles to improve their targeting, stability, or pharmacokinetic properties. Laying the chemical foundation for the development of next-generation biotherapeutics and diagnostics based on sugar structures.

Enzyme research and inhibitor development

As an analog of natural substrate, it is an important tool molecule for studying the kinetics, specificity and catalytic mechanism of glycosyltransferase. The azide group in its structure can also be used to design active site-directed covalent inhibitors, or for labeling and identification of enzyme activity, helping to discover drugs targeting enzymes related to the glycosylation process.

Conclusion

UDP-N-azidoacetylglucosamine disodium salt represents a cutting-edge reagent at the intersection of chemical biology and glycoscience. It combines the precision of cell metabolism with the efficiency of click chemical reactions, opening up a broad path for in-depth analysis of complex glycobiological processes and engineering intervention based on this. From the exploration of basic mechanisms to the design of innovative therapies, this compound is continuing to promote the progress of life science research and biopharmaceutical development.

The above information is provided by the editor of KASONS and is for scientific research only.