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Sets the stage for the design and application of new protein cages Featuring contributions from a team of international experts in the coordination chemistry of biological systems, this book enables readers to understand and take advantage of the fascinating internal molecular environment of protein cages. With the aid of modern organic and polymer techniques, the authors explain step by step how to design and construct a variety of protein cages. Moreover, the authors describe current applications of protein cages, setting the foundation for the development of new applications in biology,…mehr
Sets the stage for the design and application of new protein cages Featuring contributions from a team of international experts in the coordination chemistry of biological systems, this book enables readers to understand and take advantage of the fascinating internal molecular environment of protein cages. With the aid of modern organic and polymer techniques, the authors explain step by step how to design and construct a variety of protein cages. Moreover, the authors describe current applications of protein cages, setting the foundation for the development of new applications in biology, nanotechnology, synthetic chemistry, and other disciplines. Based on a thorough review of the literature as well as the authors' own laboratory experience, Coordination Chemistry in Protein Cages * Sets forth the principles of coordination reactions in natural protein cages * Details the fundamental design of coordination sites of small artificial metalloproteins as the basis for protein cage design * Describes the supramolecular design and assembly of protein cages for or by metal coordination * Examines the latest applications of protein cages in biology and nanotechnology * Describes the principles of coordination chemistry that govern self-assembly of synthetic cage-like molecules Chapters are filled with detailed figures to help readers understand the complex structure, design, and application of protein cages. Extensive references at the end of each chapter serve as a gateway to important original research studies and reviews in the field. With its detailed review of basic principles, design, and applications, Coordination Chemistry in Protein Cages is recommended for investigators working in biological inorganic chemistry, biological organic chemistry, and nanoscience.
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TAKAFUMI UENO is Professor in the School and Graduate School of Bioscience and Biotechnology at Tokyo Institute of Technology. His current research interests involve the molecular design of artificial metalloproteins and exploitation of meso-scale materials with the coordination chemistry of protein assemblies. He was awarded the Young Investigator Award of the Japan Society of Coordination Chemistry in 2007 and the Young Scientists' Prize of the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Japan, in 2008. YOSHIHITO WATANABE is Professor in the Department of Chemistry at Nagoya University. Since 2009, he has been appointed a Vice President of Research and International Affairs. His current research interests include the design of hydrogen peroxide-dependent monooxygenase and construction of metalloenzymes with synthetic complexes at their catalytic centers. He is a recipient of the Chemical Society of Japan Award for Creative Work in 1999, and the Japan Society of Coordination Chemistry in 2011. He sits on two editorial boards and an international advisory board.
Inhaltsangabe
Foreword xiii Preface xv Contributors xvii PART I COORDINATION CHEMISTRY IN NATIVE PROTEIN CAGES 1 The Chemistry of Nature's Iron Biominerals in Ferritin Protein Nanocages 3 Elizabeth C. Theil and Rabindra K. Behera 1.1 Introduction 3 1.2 Ferritin Ion Channels and Ion Entry 6 1.2.1 Maxi- and Mini-Ferritin 6 1.2.2 Iron Entry 7 1.3 Ferritin Catalysis 8 1.3.1 Spectroscopic Characterization of -1,2 Peroxodiferric Intermediate (DFP) 8 1.3.2 Kinetics of DFP Formation and Decay 12 1.4 Protein-Based Ferritin Mineral Nucleation and Mineral Growth 13 1.5 Iron Exit 16 1.6 Synthetic Uses of Ferritin Protein Nanocages 17 1.6.1 Nanomaterials Synthesized in Ferritins 18 1.6.2 Ferritin Protein Cages in Metalloorganic Catalysis and Nanoelectronics 19 1.6.3 Imaging and Drug Delivery Agents Produced in Ferritins 19 1.7 Summary and Perspectives 20 Acknowledgments 20 References 21 2 Molecular Metal Oxides in Protein Cages/Cavities 25 Achim M¿uller and Dieter Rehder 2.1 Introduction 25 2.2 Vanadium: Functional Oligovanadates and Storage of VO2+ in Vanabins 26 2.3 Molybdenum and Tungsten: Nucleation Process in a Protein Cavity 28 2.4 Manganese in Photosystem II 33 2.5 Iron: Ferritins, DPS Proteins, Frataxins, and Magnetite 35 2.6 Some General Remarks: Oxides and Sulfides 38 References 38 PART II DESIGN OF METALLOPROTEIN CAGES 3 De Novo Design of Protein Cages to Accommodate Metal Cofactors 45 Flavia Nastri, Rosa Bruni, Ornella Maglio, and Angela Lombardi 3.1 Introduction 45 3.2 De Novo-Designed Protein Cages Housing Mononuclear Metal Cofactors 47 3.3 De Novo-Designed Protein Cages Housing Dinuclear Metal Cofactors 59 3.4 De Novo-Designed Protein Cages Housing Heme Cofactor 66 3.5 Summary and Perspectives 79 Acknowledgments 79 References 80 4 Generation of Functionalized Biomolecules Using Hemoprotein Matrices with Small Protein Cavities for Incorporation of Cofactors 87 Takashi Hayashi 4.1 Introduction 87 4.2 Hemoprotein Reconstitution with an Artificial Metal Complex 89 4.3 Modulation of the O2 Affinity of Myoglobin 90 4.4 Conversion of Myoglobin into Peroxidase 95 4.4.1 Construction of a Substrate-Binding Site Near the Heme Pocket 95 4.4.2 Replacement of Native Heme with Iron Porphyrinoid in Myoglobin 99 4.4.3 Other Systems Used in Enhancement of Peroxidase Activity of Myoglobin 100 4.5 Modulation of Peroxidase Activity of HRP 102 4.6 Myoglobin Reconstituted with a Schiff Base Metal Complex 103 4.7 A Reductase Model Using Reconstituted Myoglobin 106 4.7.1 Hydrogenation Catalyzed by Cobalt Myoglobin 106 4.7.2 A Model of Hydrogenase Using the Heme Pocket of Cytochrome c 107 4.8 Summary and Perspectives 108 Acknowledgments 108 References 108 5 Rational Design of Protein Cages for Alternative Enzymatic Functions 111 Nicholas M. Marshall, Kyle D. Miner, Tiffany D. Wilson, and Yi Lu 5.1 Introduction 111 5.2 Mononuclear Electron Transfer Cupredoxin Proteins 112 5.3 CuA Proteins 116 5.4 Catalytic Copper Proteins 118 5.4.1 Type 2 Red Copper Sites 118 5.4.2 Other T2 Copper Sites 120 5.4.3 Cu, Zn Superoxide Dismutase 121 5.4.4 Multicopper Oxygenases and Oxidases 122 5.5 Heme-Based Enzymes 124 5.5.1 Mb-Based Peroxidase and P450 Mimics 124 5.5.2 Mimicking Oxidases in Mb 125 5.5.3 Mimicking NOR Enzymes in Mb 127 5.5.4 Engineering Peroxidase Proteins 128 5.5.5 Engineering Cytochrome P450s 129 5.6 Non-Heme ET Proteins 131 5.7 Fe and Mn Superoxide Dismutase 132 5.8 Non-Heme Fe Catalysts 133 5.9 Zinc Proteins 134 5.10 Other Metalloproteins 135 5.10.1 Cobalt Proteins 135 5.10.2 Manganese Proteins 136 5.10.3 Molybdenum Proteins 137 5.10.4 Nickel Proteins 137 5.10.5 Uranyl Proteins 138 5.10.6 Vanadium Proteins 138 5.11 Summary and Perspectives 139 References 142 PART III COORDINATION CHEMISTRY OF PROTEIN ASSEMBLY CAGES 6 Metal-Directed and Templated Assembly of Protein Superstructures and Cages 151 F. Akif Tezcan 6.1 Introduction 151 6.2 Metal-Directed Protein Self-Assembly 152 6.2.1 Background 152 6.2.2 Design Considerations for Metal-Directed Protein Self-Assembly 153 6.2.3 Interfacing Non-Natural Chelates with MDPSA 155 6.2.4 Crystallographic Applications of Metal-Directed Protein Self-Assembly 159 6.3 Metal-Templated Interface Redesign 162 6.3.1 Background 162 6.3.2 Construction of a Zn-Selective Tetrameric Protein Complex Through MeTIR 163 6.3.3 Construction of a Zn-Selective Protein Dimerization Motif Through MeTIR 166 6.4 Summary and Perspectives 170 Acknowledgments 171 References 171 7 Catalytic Reactions Promoted in Protein Assembly Cages 175 Takafumi Ueno and Satoshi Abe 7.1 Introduction 175 7.1.1 Incorporation of Metal Compounds 176 7.1.2 Insight into Accumulation Process ofMetal Compounds 177 7.2 Ferritin as a Platform for Coordination Chemistry 177 7.3 Catalytic Reactions in Ferritin 179 7.3.1 Olefin Hydrogenation 179 7.3.2 Suzuki-Miyaura Coupling Reaction in Protein Cages 182 7.3.3 Polymer Synthesis in Protein Cages 185 7.4 Coordination Processes in Ferritin 188 7.4.1 Accumulation of Metal Ions 188 7.4.2 Accumulation of Metal Complexes 192 7.5 Coordination Arrangements in Designed Ferritin Cages 194 7.6 Summary and Perspectives 197 Acknowledgments 198 References 198 8 Metal-Catalyzed Organic Transformations Inside a Protein Scaffold Using Artificial Metalloenzymes 203 V. K. K. Praneeth and Thomas R. Ward 8.1 Introduction 203 8.2 Enantioselective Reduction Reactions Catalyzed by Artificial Metalloenzymes 204 8.2.1 Asymmetric Hydrogenation 204 8.2.2 Asymmetric Transfer Hydrogenation of Ketones 206 8.2.3 Artificial Transfer Hydrogenation of Cyclic Imines 208 8.3 Palladium-Catalyzed Allylic Alkylation 211 8.4 Oxidation Reaction Catalyzed by Artificial Metalloenzymes 212 8.4.1 Artificial Sulfoxidase 212 8.4.2 Asymmetric cis-Dihydroxylation 215 8.5 Summary and Perspectives 216 References 218 PART IV APPLICATIONS IN BIOLOGY 9 Selective Labeling and Imaging of Protein Using Metal Complex 223 Yasutaka Kurishita and Itaru Hamachi 9.1 Introduction 223 9.2 Tag-Probe Pair Method Using Metal-Chelation System 225 9.2.1 Tetracysteine Motif/Arsenical Compounds Pair 225 9.2.2 Oligo-Histidine Tag/Ni(ii)-NTA Pair 227 9.2.3 Oligo-Aspartate Tag/Zn(ii)-DpaTyr Pair 230 9.2.4 Lanthanide-binding Tag 235 9.3 Summary and Perspectives 237 References 237 10 Molecular Bioengineering of Magnetosomes for Biotechnological Applications 241 Atsushi Arakaki, Michiko Nemoto, and Tadashi Matsunaga 10.1 Introduction 241 10.2 Magnetite Biomineralization Mechanism in Magnetosome 242 10.2.1 Diversity of Magnetotactic Bacteria 242 10.2.2 Genome and Proteome Analyses of Magnetotactic Bacteria 244 10.2.3 Magnetosome Formation Mechanism 246 10.2.4 Morphological Control of Magnetite Crystal in Magnetosomes 250 10.3 Functional Design of Magnetosomes 251 10.3.1 Protein Display on Magnetosome by Gene Fusion Technique 252 10.3.2 Magnetosome Surface Modification by In Vitro System 255 10.3.3 Protein-mediated Morphological Control of Magnetite Particles 257 10.4 Application 258 10.4.1 Enzymatic Bioassays 259 10.4.2 Cell Separation 260 10.4.3 DNA Extraction 262 10.4.4 Bioremediation 264 10.5 Summary and Perspectives 266 Acknowledgments 266 References 266 PART V APPLICATIONS IN NANOTECHNOLOGY 11 Protein Cage Nanoparticles for Hybrid Inorganic-Organic Materials 275 Shefah Qazi, Janice Lucon, Masaki Uchida, and Trevor Douglas 11.1 Introduction 275 11.2 Biomineral Formation in Protein Cage Architectures 277 11.2.1 Introduction 277 11.2.2 Mineralization 278 11.2.3 Model for Synthetic Nucleation-Driven Mineralization 279 11.2.4 Mineralization in Dps: A 12-Subunit Protein Cage 279 11.2.5 Icosahedral Protein Cages: Viruses 282 11.2.6 Nucleation of Inorganic Nanoparticles Within Icosahedral Viruses 282 11.3 Polymer Formation Inside Protein Cage Nanoparticles 283 11.3.1 Introduction 283 11.3.2 Azide-Alkyne Click Chemistry in sHsp and P22 285 11.3.3 Atom Transfer Radical Polymerization in P22 287 11.3.4 Application as Magnetic Resonance Imaging Contrast Agents 290 11.4 Coordination Polymers in Protein Cages 292 11.4.1 Introduction 292 11.4.2 Metal-Organic Branched Polymer Synthesis by Preforming Complexes 292 11.4.3 Coordination Polymer Formation from Ditopic Ligands and Metal Ions 295 11.4.4 Altering Protein Dynamics by Coordination: Hsp-Phen-Fe 296 11.5 Summary and Perspectives 298 Acknowledgments 298 References 298 12 Nanoparticles Synthesized and Delivered by Protein in the Field of Nanotechnology Applications 305 Ichiro Yamashita, Kenji Iwahori, Bin Zheng, and Shinya Kumagai 12.1 Nanoparticle Synthesis in a Bio-Template 305 12.1.1 NP Synthesis by Cage-Shaped Proteins for Nanoelectronic Devices and Other Applications 305 12.1.2 Metal Oxide or Hydro-Oxide NP Synthesis in the Apoferritin Cavity 307 12.1.3 Compound Semiconductor NP Synthesis in the Apoferritin Cavity 308 12.1.4 NP Synthesis in the Apoferritin with the Metal-Binding Peptides 311 12.2 Site-Directed Placement of NPs 312 12.2.1 Nanopositioning of Cage-Shaped Proteins 312 12.2.2 Nanopositioning of Au NPs by Porter Proteins 313 12.3 Fabrication of Nanodevices by the NP and Protein Conjugates 317 12.3.1 Fabrication of Floating Nanodot Gate Memory 318 12.3.2 Fabrication of Single-Electron Transistor Using Ferritin 321 References 326 13 Engineered "Cages" for Design of Nanostructured Inorganic Materials 329 Patrick B. Dennis, Joseph M. Slocik, and Rajesh R. Naik 13.1 Introduction 329 13.2 Metal-Binding Peptides 331 13.3 Discrete Protein Cages 332 13.4 Heat-Shock Proteins 334 13.5 Polymeric Protein and Carbohydrate Quasi-Cages 340 13.6 Summary and Perspectives 346 References 347 PART VI COORDINATION CHEMISTRY INSPIRED BY PROTEIN CAGES 14 Metal-Organic Caged Assemblies 353 Sota Sato and Makoto Fujita 14.1 Introduction 353 14.2 Construction of Polyhedral Skeletons by Coordination Bonds 355 14.2.1 Geometrical Effect on Products 356 14.2.2 Structural Extension Based on Rigid, Designable Framework 358 14.2.3 Mechanistic Insight into Self-Assembly 366 14.3 Development of Functions via Chemical Modification 366 14.3.1 Chemistry in the Hollow of Cages 367 14.3.2 Chemistry on the Periphery of Cages 368 14.4 Metal-Organic Cages for Protein Encapsulation 370 14.5 Summary and Perspectives 370 References 371 Index 375
Foreword xiii Preface xv Contributors xvii PART I COORDINATION CHEMISTRY IN NATIVE PROTEIN CAGES 1 The Chemistry of Nature's Iron Biominerals in Ferritin Protein Nanocages 3 Elizabeth C. Theil and Rabindra K. Behera 1.1 Introduction 3 1.2 Ferritin Ion Channels and Ion Entry 6 1.2.1 Maxi- and Mini-Ferritin 6 1.2.2 Iron Entry 7 1.3 Ferritin Catalysis 8 1.3.1 Spectroscopic Characterization of -1,2 Peroxodiferric Intermediate (DFP) 8 1.3.2 Kinetics of DFP Formation and Decay 12 1.4 Protein-Based Ferritin Mineral Nucleation and Mineral Growth 13 1.5 Iron Exit 16 1.6 Synthetic Uses of Ferritin Protein Nanocages 17 1.6.1 Nanomaterials Synthesized in Ferritins 18 1.6.2 Ferritin Protein Cages in Metalloorganic Catalysis and Nanoelectronics 19 1.6.3 Imaging and Drug Delivery Agents Produced in Ferritins 19 1.7 Summary and Perspectives 20 Acknowledgments 20 References 21 2 Molecular Metal Oxides in Protein Cages/Cavities 25 Achim M¿uller and Dieter Rehder 2.1 Introduction 25 2.2 Vanadium: Functional Oligovanadates and Storage of VO2+ in Vanabins 26 2.3 Molybdenum and Tungsten: Nucleation Process in a Protein Cavity 28 2.4 Manganese in Photosystem II 33 2.5 Iron: Ferritins, DPS Proteins, Frataxins, and Magnetite 35 2.6 Some General Remarks: Oxides and Sulfides 38 References 38 PART II DESIGN OF METALLOPROTEIN CAGES 3 De Novo Design of Protein Cages to Accommodate Metal Cofactors 45 Flavia Nastri, Rosa Bruni, Ornella Maglio, and Angela Lombardi 3.1 Introduction 45 3.2 De Novo-Designed Protein Cages Housing Mononuclear Metal Cofactors 47 3.3 De Novo-Designed Protein Cages Housing Dinuclear Metal Cofactors 59 3.4 De Novo-Designed Protein Cages Housing Heme Cofactor 66 3.5 Summary and Perspectives 79 Acknowledgments 79 References 80 4 Generation of Functionalized Biomolecules Using Hemoprotein Matrices with Small Protein Cavities for Incorporation of Cofactors 87 Takashi Hayashi 4.1 Introduction 87 4.2 Hemoprotein Reconstitution with an Artificial Metal Complex 89 4.3 Modulation of the O2 Affinity of Myoglobin 90 4.4 Conversion of Myoglobin into Peroxidase 95 4.4.1 Construction of a Substrate-Binding Site Near the Heme Pocket 95 4.4.2 Replacement of Native Heme with Iron Porphyrinoid in Myoglobin 99 4.4.3 Other Systems Used in Enhancement of Peroxidase Activity of Myoglobin 100 4.5 Modulation of Peroxidase Activity of HRP 102 4.6 Myoglobin Reconstituted with a Schiff Base Metal Complex 103 4.7 A Reductase Model Using Reconstituted Myoglobin 106 4.7.1 Hydrogenation Catalyzed by Cobalt Myoglobin 106 4.7.2 A Model of Hydrogenase Using the Heme Pocket of Cytochrome c 107 4.8 Summary and Perspectives 108 Acknowledgments 108 References 108 5 Rational Design of Protein Cages for Alternative Enzymatic Functions 111 Nicholas M. Marshall, Kyle D. Miner, Tiffany D. Wilson, and Yi Lu 5.1 Introduction 111 5.2 Mononuclear Electron Transfer Cupredoxin Proteins 112 5.3 CuA Proteins 116 5.4 Catalytic Copper Proteins 118 5.4.1 Type 2 Red Copper Sites 118 5.4.2 Other T2 Copper Sites 120 5.4.3 Cu, Zn Superoxide Dismutase 121 5.4.4 Multicopper Oxygenases and Oxidases 122 5.5 Heme-Based Enzymes 124 5.5.1 Mb-Based Peroxidase and P450 Mimics 124 5.5.2 Mimicking Oxidases in Mb 125 5.5.3 Mimicking NOR Enzymes in Mb 127 5.5.4 Engineering Peroxidase Proteins 128 5.5.5 Engineering Cytochrome P450s 129 5.6 Non-Heme ET Proteins 131 5.7 Fe and Mn Superoxide Dismutase 132 5.8 Non-Heme Fe Catalysts 133 5.9 Zinc Proteins 134 5.10 Other Metalloproteins 135 5.10.1 Cobalt Proteins 135 5.10.2 Manganese Proteins 136 5.10.3 Molybdenum Proteins 137 5.10.4 Nickel Proteins 137 5.10.5 Uranyl Proteins 138 5.10.6 Vanadium Proteins 138 5.11 Summary and Perspectives 139 References 142 PART III COORDINATION CHEMISTRY OF PROTEIN ASSEMBLY CAGES 6 Metal-Directed and Templated Assembly of Protein Superstructures and Cages 151 F. Akif Tezcan 6.1 Introduction 151 6.2 Metal-Directed Protein Self-Assembly 152 6.2.1 Background 152 6.2.2 Design Considerations for Metal-Directed Protein Self-Assembly 153 6.2.3 Interfacing Non-Natural Chelates with MDPSA 155 6.2.4 Crystallographic Applications of Metal-Directed Protein Self-Assembly 159 6.3 Metal-Templated Interface Redesign 162 6.3.1 Background 162 6.3.2 Construction of a Zn-Selective Tetrameric Protein Complex Through MeTIR 163 6.3.3 Construction of a Zn-Selective Protein Dimerization Motif Through MeTIR 166 6.4 Summary and Perspectives 170 Acknowledgments 171 References 171 7 Catalytic Reactions Promoted in Protein Assembly Cages 175 Takafumi Ueno and Satoshi Abe 7.1 Introduction 175 7.1.1 Incorporation of Metal Compounds 176 7.1.2 Insight into Accumulation Process ofMetal Compounds 177 7.2 Ferritin as a Platform for Coordination Chemistry 177 7.3 Catalytic Reactions in Ferritin 179 7.3.1 Olefin Hydrogenation 179 7.3.2 Suzuki-Miyaura Coupling Reaction in Protein Cages 182 7.3.3 Polymer Synthesis in Protein Cages 185 7.4 Coordination Processes in Ferritin 188 7.4.1 Accumulation of Metal Ions 188 7.4.2 Accumulation of Metal Complexes 192 7.5 Coordination Arrangements in Designed Ferritin Cages 194 7.6 Summary and Perspectives 197 Acknowledgments 198 References 198 8 Metal-Catalyzed Organic Transformations Inside a Protein Scaffold Using Artificial Metalloenzymes 203 V. K. K. Praneeth and Thomas R. Ward 8.1 Introduction 203 8.2 Enantioselective Reduction Reactions Catalyzed by Artificial Metalloenzymes 204 8.2.1 Asymmetric Hydrogenation 204 8.2.2 Asymmetric Transfer Hydrogenation of Ketones 206 8.2.3 Artificial Transfer Hydrogenation of Cyclic Imines 208 8.3 Palladium-Catalyzed Allylic Alkylation 211 8.4 Oxidation Reaction Catalyzed by Artificial Metalloenzymes 212 8.4.1 Artificial Sulfoxidase 212 8.4.2 Asymmetric cis-Dihydroxylation 215 8.5 Summary and Perspectives 216 References 218 PART IV APPLICATIONS IN BIOLOGY 9 Selective Labeling and Imaging of Protein Using Metal Complex 223 Yasutaka Kurishita and Itaru Hamachi 9.1 Introduction 223 9.2 Tag-Probe Pair Method Using Metal-Chelation System 225 9.2.1 Tetracysteine Motif/Arsenical Compounds Pair 225 9.2.2 Oligo-Histidine Tag/Ni(ii)-NTA Pair 227 9.2.3 Oligo-Aspartate Tag/Zn(ii)-DpaTyr Pair 230 9.2.4 Lanthanide-binding Tag 235 9.3 Summary and Perspectives 237 References 237 10 Molecular Bioengineering of Magnetosomes for Biotechnological Applications 241 Atsushi Arakaki, Michiko Nemoto, and Tadashi Matsunaga 10.1 Introduction 241 10.2 Magnetite Biomineralization Mechanism in Magnetosome 242 10.2.1 Diversity of Magnetotactic Bacteria 242 10.2.2 Genome and Proteome Analyses of Magnetotactic Bacteria 244 10.2.3 Magnetosome Formation Mechanism 246 10.2.4 Morphological Control of Magnetite Crystal in Magnetosomes 250 10.3 Functional Design of Magnetosomes 251 10.3.1 Protein Display on Magnetosome by Gene Fusion Technique 252 10.3.2 Magnetosome Surface Modification by In Vitro System 255 10.3.3 Protein-mediated Morphological Control of Magnetite Particles 257 10.4 Application 258 10.4.1 Enzymatic Bioassays 259 10.4.2 Cell Separation 260 10.4.3 DNA Extraction 262 10.4.4 Bioremediation 264 10.5 Summary and Perspectives 266 Acknowledgments 266 References 266 PART V APPLICATIONS IN NANOTECHNOLOGY 11 Protein Cage Nanoparticles for Hybrid Inorganic-Organic Materials 275 Shefah Qazi, Janice Lucon, Masaki Uchida, and Trevor Douglas 11.1 Introduction 275 11.2 Biomineral Formation in Protein Cage Architectures 277 11.2.1 Introduction 277 11.2.2 Mineralization 278 11.2.3 Model for Synthetic Nucleation-Driven Mineralization 279 11.2.4 Mineralization in Dps: A 12-Subunit Protein Cage 279 11.2.5 Icosahedral Protein Cages: Viruses 282 11.2.6 Nucleation of Inorganic Nanoparticles Within Icosahedral Viruses 282 11.3 Polymer Formation Inside Protein Cage Nanoparticles 283 11.3.1 Introduction 283 11.3.2 Azide-Alkyne Click Chemistry in sHsp and P22 285 11.3.3 Atom Transfer Radical Polymerization in P22 287 11.3.4 Application as Magnetic Resonance Imaging Contrast Agents 290 11.4 Coordination Polymers in Protein Cages 292 11.4.1 Introduction 292 11.4.2 Metal-Organic Branched Polymer Synthesis by Preforming Complexes 292 11.4.3 Coordination Polymer Formation from Ditopic Ligands and Metal Ions 295 11.4.4 Altering Protein Dynamics by Coordination: Hsp-Phen-Fe 296 11.5 Summary and Perspectives 298 Acknowledgments 298 References 298 12 Nanoparticles Synthesized and Delivered by Protein in the Field of Nanotechnology Applications 305 Ichiro Yamashita, Kenji Iwahori, Bin Zheng, and Shinya Kumagai 12.1 Nanoparticle Synthesis in a Bio-Template 305 12.1.1 NP Synthesis by Cage-Shaped Proteins for Nanoelectronic Devices and Other Applications 305 12.1.2 Metal Oxide or Hydro-Oxide NP Synthesis in the Apoferritin Cavity 307 12.1.3 Compound Semiconductor NP Synthesis in the Apoferritin Cavity 308 12.1.4 NP Synthesis in the Apoferritin with the Metal-Binding Peptides 311 12.2 Site-Directed Placement of NPs 312 12.2.1 Nanopositioning of Cage-Shaped Proteins 312 12.2.2 Nanopositioning of Au NPs by Porter Proteins 313 12.3 Fabrication of Nanodevices by the NP and Protein Conjugates 317 12.3.1 Fabrication of Floating Nanodot Gate Memory 318 12.3.2 Fabrication of Single-Electron Transistor Using Ferritin 321 References 326 13 Engineered "Cages" for Design of Nanostructured Inorganic Materials 329 Patrick B. Dennis, Joseph M. Slocik, and Rajesh R. Naik 13.1 Introduction 329 13.2 Metal-Binding Peptides 331 13.3 Discrete Protein Cages 332 13.4 Heat-Shock Proteins 334 13.5 Polymeric Protein and Carbohydrate Quasi-Cages 340 13.6 Summary and Perspectives 346 References 347 PART VI COORDINATION CHEMISTRY INSPIRED BY PROTEIN CAGES 14 Metal-Organic Caged Assemblies 353 Sota Sato and Makoto Fujita 14.1 Introduction 353 14.2 Construction of Polyhedral Skeletons by Coordination Bonds 355 14.2.1 Geometrical Effect on Products 356 14.2.2 Structural Extension Based on Rigid, Designable Framework 358 14.2.3 Mechanistic Insight into Self-Assembly 366 14.3 Development of Functions via Chemical Modification 366 14.3.1 Chemistry in the Hollow of Cages 367 14.3.2 Chemistry on the Periphery of Cages 368 14.4 Metal-Organic Cages for Protein Encapsulation 370 14.5 Summary and Perspectives 370 References 371 Index 375
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