Application
The Invertase Glycoprotein Standard can be used to demonstrate N-glycosylation using PNGase F with both in-solution and in-gel procedures. The extent of deglycosylation can be assessed by mobility shift on SDS-PAGE gels.
Other Notes
Invertase is an enzyme that catalyses the hydrolysis of sucrose into fructose and glucose. Invertase Glycoprotein Standard is the periplasmic (glycosylated form, external invertase) with 50% of its mass as polymannan. Since yeast can provide an alternative system for protein glycosylation that is similar to mammalian systems, periplasmic invertase is often used as a model for the study of the function of oligosaccharides in glycoproteins and for studies on glycoprotein biosynthesis.