Glycogen Phosphorylase a Activity Assay kit

Glycogen phosphorylase is divided into active glycogen phosphorylase a (Glycogenphosphorylase a, GPa) and inactive glycogen phosphorylase b (Glycogen phosphorylaseb, GPb)two forms. The decomposition of glycogen is mainly carried out under the catalysis of glycogen phosphorylase a. When no activator is added, glycogen phosphorylase a catalyzes the productionofglucose residues from glycogen and inorganic phosphorus to glycogen and glucose 1-phosphate.Under the action of phosphoglucose mutase and 6-phosphate glucose dehydrogenase, it further catalyzes the reduction of NADP to NADPH.Measuring the rate of increase of NADPH at 340nm can reflect the activity of glycogen phosphorylase a.