Inhalt

Interconversion in the Control of Glycogen Metabolism.- Concerted Regulation of Glycogen Metabolism and Muscle Contraction.- The Regulation of Glycogen Metabolism by Multivalent Phosphorylation.- Localization and Turnover of Phosphorylase Kinase in Rabbit Skeletal Muscle.- Probes in Studying the Architecture of Interconvertible Enzymes.- Hybridphosphorylases.- Purification and Properties of E. coli Maltodextrin Phosphorylase.- Excited-State vs Ground-State Structure of the Pyridoxal 5';-Phosphate Site in Glycogen Phosphorylase b.- Structure and Function of Regulatory Sites.- The Use of an Alternative Substrate as a Model System for the Study of Phosphorylase Kinase.- Restriction of the Allosteric Properties of Phosphorylase b by Single Links of a Bifunctional Reagent.- Interconvertible Forms of a cAMP-Dependent Protein Kinase from Bovine Cardiac Muscle.- Glycogen Synthase and Its Interconversion.- Studies on Glycogen Synthase and Its Control by Hormones.- Conversion into I Form of Glycogen Synthetase from Frog Muscle and Scallop Muscle.- Regulation of Adipose Tissue Glycogen Synthetase Activation.- The Phosphatases - Specific or Not.- Rabbit-Liver Glycogen Synthase: Properties and Interconversion by Phosphorylation and Dephosphorylation.- Recent Investigations on the Control of Glycogen Metabolism in the Liver.- Pyruvate Dehydrogenase - Assembly, Function and Control.- Structure and Regulation of the Mammalian Pyruvate Dehydrogenase Complex.- Metabolic Interconversion of the Pyruvate Dehydrogenase Complex as Related to the Mitochondrial Energy State.- Regulation of Pyruvate Dehydrogenase by End Product Inhibition and by Phosphorylation.- Adenylylation, ADP-Ribosylation and Phosphorylation as Regulatory Signals.- Metabolic Regulation of Coupled Covalent Modification Cascade Systems.- ADP-Ribosylation of Elongation Factor 2 by Pseudomonas aeruginosa Exotoxin A and by Diphtheria Toxin.- Protein-ADP-Ribosylating System of Mitochondria.- RNA Polymerase Modifications after T-Phage Infections of E. coli.- Specific Proteolysis - A Regulatory Device?.- Characteristics and Functions of Proteinases and Proteinase Inhibitors in Yeast.- Specific Proteolytic Modification of Rabbit Liver Fructose Biphosphatase under Gluconeogenic Conditions.- Regulation of Protein Turnover and the Role of Lysosomes.- In situ vs. in vivo Studies.- Study of Enzyme Activity in Animal Cells in situ.- The Glycolytic Pathway in Yeast. Study under in situ Conditions.- Interconversion of Rat Liver Phosphofructokinase by Phosphorylation and Dephosphorylation.- Unusual Modulations of Enzyme Action.- Histidine Decarboxylase from Lactobacillus 30a: Nature of Conversion of Proenzyme to Active Enzyme.- Reductive Generation of Vicinial Dithiols by Photosynthetic Electron Transport System is Involved in Light-Regulation of Chloroplast Enzyme Activity.- The Accumulation of Faulty Enzyme Molecules in Aging Cells.