3E3O GLYCOGEN PHOSPHORYLASE R STATE-IMP COMPLEX TRANSFERASE, GLYCOGENOLYSIS, INHIBITION, TYPE 2 DIABETES, CRYSTALLOGRAPHY, ACETYLATION, ALLOSTERIC ENZYME, CARBOHYDRATE METABOLISM, GLYCOGEN METABOLISM, GLYCOSYLTRANSFERASE, NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, PYRIDOXAL PHOSPHATE