UDP-α-L-rhamnose disodium salt: a key nucleotide sugar substrate for glycosylation research 30174-43-7

UDP-α-L-rhamnopyranosyl disodium salt (Uridine5’-(beta-rhamnopyranosyl diphosphate) disodium salt) is a vital type of active sugar donor molecule in the fields of glycobiology and synthetic biology. As one of the core members of the Sugar Nucleotides family, it plays an irreplaceable role in a variety of biosynthetic pathways. It is a basic raw material and key tool for in-depth study of the glycosylation process and the development of new bioactive molecules.

Chemical Information

Chemical name: Uridine-5’-bisphosphate-α-L-rhamnose disodium salt

Common name: UDP-α-L-rhamnose disodium salt

Chemical formula: C15H24N2O16P2

Molecular weight: 550.3 g/mol

CAS number: 30174-43-7

Category: Sugar Nucleotides

Structural features

The structure of UDP-α-L-rhamnose disodium salt brings together the essence of functional modularity:

• High-energy glycosidic bond: The molecule is composed of uridine-5’-diphosphate (UDP) and α-configuration L-rhamnose connected through a pyrophosphate bond. This linkage forms a "high-energy" glycosyl donor that provides the driving force for the reaction catalyzed by the glycosyltransferase.

• Unique glycosyl unit: The L-rhamnose (6-deoxy-L-mannose) it carries is a 6-deoxyhexose sugar that is widely present in nature but has a special structure. The methyl characteristics and L-configuration of this sugar group have a decisive impact on the biological activity, solubility and recognition specificity of many natural products.

• Advantages of water solubility: Its disodium salt form significantly improves the solubility and stability in aqueous buffer systems, making it easier to use directly in in vitro enzymatic reactions or cell culture systems.

Main applications and advantages

Essential substrate for glycosylation biosynthesis research

In many organisms, UDP-α-L-rhamnose is the only or main glycosyl donor for L-rhamnosyltransferases. These enzymes are responsible for the precise transfer of rhamnosyl groups to specific receptor molecules (such as polysaccharides, proteins, flavonoids, antibiotics, etc.). This compound is a standardized substrate for in vitro studies of the reaction mechanism, kinetic parameters and substrate specificity of this class of enzymes.

The cornerstone of the synthesis of complex natural products and drug analogs

The synthesis of many natural products with important biological activities (such as plant secondary metabolites, bacterial capsular polysaccharides, and certain glycoside antibiotics) relies on the modification of L-rhamnose. Through a chemical-enzymatic synthesis strategy, using UDP-α-L-rhamnose as the precursor, these complex glycoconjugates that are difficult to synthesize by traditional chemical methods can be efficiently, regio- and stereoselectively prepared, providing a diverse compound library for drug discovery and structural optimization.

Key factors in the study of bacterial cell wall and polysaccharide biosynthesis

In a variety of pathogenic bacteria, L-rhamnose is an important component of the cell wall O-antigen or capsular polysaccharide, which is crucial for bacterial viability, virulence and immune evasion. Studying its biosynthetic pathway, especially the steps dependent on UDP-α-L-rhamnose, will help reveal new antibacterial targets and provide a molecular basis for the development of new antibacterial strategies.

Tool molecules for glycoengineering and cell surface remodeling

In the field of synthetic biology, this compound can be used to engineer the glycosylation pathway of cells and introduce specific rhamnose modifications on the cell surface. This has potential value for studying the role of carbohydrates in cell recognition, signaling and immune responses, and even for the development of diagnostic or therapeutic cell products based on carbohydrate markers.

Conclusion

UDP-α-L-rhamnose disodium salt is much more than a simple metabolic intermediate. It is a bridge connecting basic glycoscience and applied biotechnology. From analyzing the fine glycosylation codes in life processes to driving the rational design of innovative drugs and biomaterials, its value runs through the entire chain from basic research to industrial applications. As a key member of Sugar Nucleotides, it continues to help researchers explore and harness the huge potential of sugar molecules.

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