phosphorylation by phosphorylase b kinase, increasing the affinity of glycogen phosphorylase to the phosphatase, PP1

phosphorylation by PP1, increasing the affinity of glycogen phosphorylase to glucose

a conformational change induced by glucose, increasing the affinity of glycogen phosphorylase to the phosphatase, PP1

a conformational change induced by glucose, increasing the affinity of glycogen phosphorylase to phosphorylase b kinase