Cytochrome systems : molecular biology and bioenergetics
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Cytochrome systems : molecular biology and bioenergetics
Plenum Press, c1987
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"Proceedings of the UNESCO International Workshop on Cytochrome Systems: Molecular Biology and Bioenergetics, which was IUB Symposium no. 159, held April 14-18, 1987, in Bari, Italy"--Verso t.p
Includes bibliographies and indexes
内容説明・目次
内容説明
This volume is based on the proceedings of an International Symposium on "Cytochrome Systems: Molecular Biology and Bioenergetics" that was held at Selva di Fasano near Bari, Italy, between April 7 and 11,1987. It contains papers covering the subjects discussed at the Symposium, contributed both by participants of the meeting and by some invited speakers who were not able to attend. The aim of the Symposium was to bring together experts in various rese- arch strategies currently being applied to the study of cytochrome systems, including molecular genetics, protein chemistry, enzymology of electron transfer and protonmotive activity in energy-transducing biological mem- branes. Because of the high degree of complexity of cytochrome systems and the increasing sophistication in recent years of the different experimen- tal approaches, there has been a growing specialization - sometimes even a tendency to "over-specialization" - among scientists working in this field. This in itself seemed to justify a meeting where representatives of various disciplines could exchange their results and discuss their conclusions.
In addition, and perhaps even more importantly, it was felt that meetings of this kind provide an opportunity for a "cross-fertilization" of approaches and ideas among representatives of various fields of science. The present meeting proved to be an ample illustration of the success of such an inter- action.
目次
Cytochrome Systems: from Discovery to Present Developments.- I. Genetics.- Genetics of E.Coli Cytochromes which are Components of the Aerobic Respiratory Chain.- Molecular Genetic Approaches to Studying the Structure and Function of the Cytochrome c2 and the Cytochrome bc1 Complex from Rhodobacter Capsulatus.- Structural Homologies in the Cytochrome B/C1 Complex from Rhodobacter.- Genes and Sequences for Subunits of Respiratory Complexes in Paracoccus denitrificans.- Organization and Expression of Nuclear Genes for Yeast Cytochrome c Oxidase.- The cDNA a Structural Gene for Rat Liver Cytochrome c Oxidase Subunit Vic.- Genetics of Yeast Coenzyme QH2-Cytochrome c Reductase.- Sequence Analysis of Mammalian Cytochrome b Mutants.- Plant Mitochondrial Genes, Cytochrome c Oxidase and Cytoplasmic Male Sterility.- A Mutation Affecting Lariat Formation, but not Splicing of a Yeast Mitochondrial Group II Intron.- The Evolution of Mitochondrially Coded Cytochrome Genes: A Quantitative Estimate.- Involvement of Nuclear Genes in Splicing of the Mitochondrial COB Transcript in S. Cerevisiae.- Introns as Key Elements in the Evolution of Mitochondrial Genomes in Lower Eukaryotes.- GENETICS: Short Reports.- Core Protein Deficiency in Complex III of the Respiratory Chain, in a Missence Exonic Mitochondrial Yeast Mutant of Cytochrome b Gene.- Localization and Partial Sequencing Analysis of Mitochondrial Gene for Apocytochrome b in Sunflower.- Molecular Basis for Resistance to Inhibitors of the Mitochondrial Ubiquinol-Cytochromec Reductase in Saccharmoyces Cerevisiae.- Structure of the Proteins and Genes for the Nuclear-Encoded Subunits of N. Crassa Cytochrome Oxidase.- Partial Sequence of Gene for Cytochrome Oxydase Subunit II of Sunflower Mitochondrial DNA.- Unusual Features of Kinetoplast DNA from Trypanosomes: Novel Mechanism of Gene Expression (RNA-Editing), the Absence of tRNA Genes and the Variable Presence of a Cytochrome Oxidase Subunit Gene.- II. Biosynthesis.- Heterogeneous Efficiencies of mRNA Translation in Human Mitochondria.- Regulation of the Expression of COI and COIII mRNAs in Rat Liver Mitochondria.- Two Consensus Sequences for RNA Processing in Neurospora Crassa Mitochondria.- Primary Structure of the Yeast Nuclear CBS 1 Gene Product, Necessary to Activate Translation of Mitochondrial COB mRNA.- A Calmodulin-Like Protein in the Cytochrome bc1 Complex Required for Synthesis of Both Cytochrome bc1 and Cytochrome c Oxidase Complexes in Yeast Mitochondria.- Import of Cytochromes b2 and c1 into Mitochondria is Dependent on Both Membrane Potential and Nucleoside Triphosphates.- NADH: A Common Requirement for the Import and Maturation of Cytochromes c and c1.- Import of Proteins into Mitochondria: Structural and Functional Role of the Prepeptide.- Interaction of the Mitochondrial Precursor Protein Apocytochrome c with Model Membranes and its Implications for Protein Translocation.- Influence of Thyroid Hormones on the Expression of Nuclear Genes Encoding Subunits of the Cytochrome bc1 Complex.- II. BIOSYNTHESIS: Short Report.- Import of Cytochrome c1 and Cytochrome b2 into Mitochondria.- III. Protein Structure.- Cytochrome c Oxidase: Past, Present and Future.- Universal Features in Cytochrome Oxidase.- Polypeptide Subunits Encoded by Nuclear Genes are Essential Components of Eukaryotic Cytochrome c Oxidase.- Respiratory Complex IV and Cytochrome a,a3.- An Amino Acid Sequence Region of Subunit II of Cytochrome Oxidase which may be Responsible for Evolutionary Changes in Reactivity with Different Cytochromes c.- Evidence for a Functional Role of Nuclear Encoded Subunits in Mitochondrial Cytochrome c Oxidase.- Structural Analysis of the bc1 Complex from Beef Heart Mitochondria by the Sided Hydropathy Plot and by Comparison with Other bc1 Complexes.- Crystallisation of Water-Soluble Preparations of the Iron- Sulfur-Protein and Cytochrome c1 of Ubiquinol: Cytochrome Reductase from NeurosporaMitochondria.- Iron Cluster Sites of Cardiac Ip-Subunit of Succinate Dehydrogenase.- Polypeptides in Mitochondrial Electron-Transfer Complexes.- The Fatty Acid-Anchored Four Heme Cytochrome of the Photo- synthetic Reaction Center from the Purple Bacterium Rhodopseudomonas Viridis.- III. PROTEIN STRUCTURE: Short Reports.- Membrane Protein in Paracoccus Denitrificans Resembles Subunit III of Beef Heart Cytochrome Oxidase.- The Circular Dichroism Properties of the Rieske Protein and the b and c1 Cytochromes of the Mitochondrial bc1 Complex.- Monomerization of Cytochrome Oxidase Might Be Essential for Subunit III Removal.- Fourier-Transform Infra-Red Studies of Cytochrome c Oxidase.- Isoenzymes of Human Cytochrome c Oxidase.- Folding of Integral Membrane Proteins: Renaturation Experiments with Bacteriorhodospin Support a Two-Stage Mechanism.- IV. Reaction Domains and Oxido-Reduction Mechanisms.- The Nature of Ferryl, Fe(IV)=0, Haem in Peroxidases.- Polarization in Heme Proteins and Cytochrome c Oxidase.- Effects of Freezing on the Coordination State and Ligand Orientation in Hemoproteins.- Catalytic Mechanism of O2 Reduction by Cytochrome Oxidase.- The Electron-Transfer Reactions in and Substrate Binding to Cytochrome c Oxidase.- Control of Cytochrome Oxidase in Proteoliposomes: Flux and Stoichiometry.- Cytochrome c Oxidase Activity is Regulated by Nucleotides and Anions.- Cytochrome Oxidase and Neuromuscular Diseases.- Electron Transfer Between Cardiac Cytochrome c1 and c.- Heme Cluster Structures and Electron Transfer in Multiheme Cytochromes C3.- IV. REACTION DOMAINS AND OXIDO-REDUCTION MECHANISMS: Short Reports.- Electron Exchange Between Cytochromes a.- Pulsed, Resting and Peroxy Forms of Cytochrome Oxidase.- Effect of pH and Temperature on Electron Transfer in Mixed-Valence Cytochrome c Oxidase.- The pH-Dependence of the Reductional Levels of Cytochrome c and Cytochrome a During Turnover of Cytochrome c Oxidase.- V. Fe-S Centers.- Studies of Bacterial NADH-Ubiquinone (or Menaquinone) Oxidoreductase Systems.- Localized Valence States in Iron-Sulfur Clusters and Their Possible Relationship to the Ability of Iron-Sulfur Clusters to Catalyze Reactions Other Than Electron Transfer.- Probing the Fe/S Domain With EPR: Pandora's BOX Ajar.- Aspects of Spin Coupling Between Even and Odd Electron Systems: Applications to Succinate: Q Reductase.- The Iron-Sulfur Clusters in Succinate Dehydrogenase.- Mechanisms of Electron Transfer in Succinate Dehydrogenase and Fumarate Reductase: Possible Functions for Iron-Sulphur Centre 2 and Cytochrome b.- VI. Quinone Binding Sites: Structure and Function.- Structural and Mechanistic Aspects of the Quinone Binding Sites of the bc Complexes.- QP-S-The Electron Acceptor of Succinate Dehydrogenase.- Characteristics of QP-C and Reconstitution of the QH2-Cyt c reductase.- The Kinetics of Oxidation of Cytochrome b are in Agreement with the Q-Cycle Hypothesis.- The Q-Reaction Domains of Mitochondrial QH2: Cytochrome c Oxidoreductase.- EPR Studies of the Quinone Reaction Sites in Bacteria.- EPR Signal II in Photosystem II: Redox and Paramagnetic Interactions with the O2 Evolving Enzyme.- Studies on the Ubiquinone Pool in Mitochondrial Electron Transfer.- VI. Quinone Binding Sites: Structure and Function: Short Reports.- Effects of Proteolytic Digestion and Chemical Modification of b-c Complex on the Fe-S Center and the Stable Ubisemi-quinone (SQc).- Kinetics of Ubiquinol Cytochrome c Reductase: Lack of a Diffusion-Limited Step with Short Chain Ubiquinols as Substrates.- VII. Specific Redox Systems.- Biochemistry and Molecular Biology of the Escherichia Coli Aerobic Respiratory Chain.- The Interplay Between Photosynthesis and Respiration in Facultative Anoxygenic Phototrophic Bacteria.- The Ubiquinol-Cytochrome c Oxidoreductase of Phototrophic Bacteria.- The Redox Reaction Between Cytochrome bH and the Semiquinone-Quinol Couple of Qc is Electrogenic in Ubiquinol-Cyt c2 Oxidoreductase.- Construction and Characterization of Monolayer Films of the Reaction Center Cytochrome-c Protein from Rhodopseudomonas Viridis.- Structure-Function Relationships in the Rhodopseudomonas Viridis Reaction Center Complex: Electrogenic Steps Contributing to ?? Formation.- Catalytic Sites for Reduction and Oxidation of Quinones.- Studies of the Electrogenicity of the Reduction of Cytochrome b561 through the Antimycin-Sensitive Site of the Ubiquinol-Cytochrome c2 Oxidoreductase Complex of Rhodobacter Sphaeroides.- Mutants Affecting the Quinol Oxidation Site of Ubiquinol-Cyt c2 Oxidoreductase.- Cytochrome b558 of Bacillus Subtilis.- Mitochondrial Cytochrome b560.- Isolation of the Photosystem Two Reaction Centre and the location and Function of Cytochrome.- VII. SPECIFIC REDOX SYSTEMS: Short Reports.- Effect of Antimycin on the Kinetics of Reduction of b and c1 Cytochromes in Single Turnover of the Mitochondrial b-c1 Complex.- The b-Q Cycle, a new model for the Pathways of Electrons and Protons through the bc1 Complex I Action of Antimycin A at Center O.- Rapid Oxidation Kinetics of Quinol Cytochrome c Oxidoreductase: Quinone or Semiquinone Cycle?.- Electron Conduction Between b Cytochromes of the Mitochondrial Respiratory Chain in the Presence of Antimycin plus Myxothiazol.- The Release of NAD Radical is the Limiting Step in the Redox Reaction Between Fe(III) Cytochrome c and NADH.- Properties of Cytochrome b558 in Complex II of Ascaris Muscle Mitochondria and its Function in Anaerobic Respiration.- VIII. Cooperativity and Allosteric Transitions.- Pulsed and Resting Cytochrome Oxidase: an Update of Optical and Molecular Properties.- Is H2O2 Involved in Electron Transport Between Cytochromes a and a3 in Cytochrome Oxidase?.- Conformational Transitions of Cytochrome c Oxidase Induced by Partial Reduction.- Redox-Linked Conformational Changes in Cytochrome c Oxidase.- IX. Proton-Motive Activity.- Protonmotive Activity of the Cytochrome Chain of Mitochondria: Models and Features.- The Mechanism of Electron Gating in Cytochrome c Oxidase.- Proton Pump Activity in Bacterial Cytochrome Oxidases.- Topography and Protonmotive Mechanism of Mitochondrial Coupling Site 2.- The Q-Gated Proton Pump Model of Ubiquinol Cytochrome c Reductase: Electron and Proton Transfer Pathways and Role of Polypeptides.- Photosynthetic Control and ATP/Electron Ratio in Bacterial Photophosphorylation.- IX. PROTON-MOTIVE ACTIVITY: Short Report.- Protonmotive Activity of Mitochondrial Cytochrome c Oxidase.- Proposal for a Novel Nomenclature for the Subunits of Cytochrome c Oxidase G. Buse, G.C.M. Steffens, R. Biewald, B. Bruch and S. Hensel.- Author Index.
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