Gal1-b-3(GlcNAc1-b-6)GalNAc-α-PNP (CAS 139459-55-5)

Gal1-b-3(GlcNAc1-b-6)GalNAc-α-PNP, a synthetic glycan mimic, serves as a valuable tool in glycobiology research, particularly in elucidating the molecular recognition events involved in glycan-protein interactions. Its mechanism of action centers around its structural resemblance to specific carbohydrate epitopes found in glycoproteins and glycolipids. This compound mimics the terminal trisaccharide sequence Galβ1-3(GlcNAcβ1-6)GalNAcα, which is commonly present in O-linked glycoproteins. Researchers utilize Gal1-b-3(GlcNAc1-b-6)GalNAc-α-PNP as a substrate in enzymatic glycosylation assays to study the substrate specificity and catalytic mechanisms of glycosyltransferase enzymes involved in O-glycan biosynthesis. Additionally, this synthetic glycan mimic serves as a probe in glycan array-based assays for investigating glycan-binding proteins such as lectins and antibodies. By presenting defined carbohydrate epitopes, Gal1-b-3(GlcNAc1-b-6)GalNAc-α-PNP enables the characterization of glycan-binding specificities and the identification of novel carbohydrate-binding proteins. Furthermore, this compound finds applications in drug discovery efforts targeting glycan-mediated processes, where it is utilized in high-throughput screening assays to identify small molecules or peptides that modulate glycan-protein interactions. Through its specific mechanism of action and versatile research applications, Gal1-b-3(GlcNAc1-b-6)GalNAc-α-PNP continues to advance our understanding of glycan biology and pave the way for innovative research approaches aimed at unraveling the roles of glycans in various biological processes.