glycogen phosphorylase

phosphorolysis

pyridoxal phosphate (PLP)

phosphorylase kinase

calmodulin

epinephrine (adrenaline)

glucagon

protein kinase A (PKA)

uridine diphosphate glucose (UDP-glucose)

glycogen synthase

glycogenin

glycogen synthase kinase

protein phosphatase 1 (PP1)

insulin