دانلود کتاب Molybdenum and Tungsten Enzymes - Spectroscopic and Theoretical Investigations

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Content: Cover
Molybdenum and Tungsten Enzymes Spectroscopic and Theoretical Investigations
Preface
Dedication
Contents
Chapter 1 --
Spectroscopic and Electronic Structure Studies Probing Mechanism: Introduction and Overview
1.1 Introduction
1.2 Overview
1.2.1 Pyranopterin Molybdenum Enzymes
1.2.2 Nitrogenase
1.3 Summary
Acknowledgements
References
Chapter 2 --
Spectroscopic and Electronic Structure Studies of Mo Model Compounds and Enzymes
2.1 Introduction and Scope
2.2 The Pyranopterin Dithiolene and the Molybdenum Cofactor (Moco)
2.2.1 General Background. 2.2.2 Model Studies Defining the Mo-Dithiolene Interaction in Moco2.2.3 Conformational Studies of the PDT
2.2.4 Spectroscopic Studies of the PDT
2.3 Sulfite Oxidase
2.3.1 Active Site Structure and General Reaction Catalyzed
2.3.2 Select Spectroscopic Studies of Model Systems
2.3.3 Spectroscopic Studies of SO and SO-Type Enzymes
2.3.4 Active Site Electronic Structure Contributions to Reactivity
2.4 Xanthine Oxidoreductase (XOR)
2.4.1 Active Site Structure and General Reaction Catalyzed
2.4.2 Select Spectroscopic Studies of Model Systems
2.4.3 Spectroscopic Studies of XOR. 2.4.4 Active Site Electronic Structure Contributions to Reactivity2.5 Carbon Monoxide Dehydrogenase
2.5.1 Active Site Structure and General Reaction Catalyzed
2.5.2 EPR Spectroscopic Studies of a Key Model System
2.5.3 Spectroscopic Studies of CODH
2.5.4 Active Site Electronic Structure Contributions to Reactivity
2.6 Dimethylsulfoxide (DMSO) Reductase
2.6.1 Active Site Structure and General Reaction Catalyzed
2.6.2 Select Spectroscopic Studies of Model Systems
2.6.3 Spectroscopic Studies of DMSOR
2.6.4 Active Site Electronic Structure Contributions to Reactivity. 2.7 MOSC Family Enzymes2.7.1 Active Site Structure and General Reaction Catalyzed
2.7.2 Spectroscopic Studies of MOSC Proteins
2.7.3 Active Site Electronic Structure Contributions to Reactivity
2.8 Perspective
Acknowledgements
References
Chapter 3 --
Electron Paramagnetic Resonance Studies of Molybdenum Enzymes
3.1 Introduction
3.2 Principles of EPR Techniques and Application to Mo/W Enzymes
3.2.1 Basis of EPR Spectroscopy
3.2.2 EPR Properties of Mo and W Enzymes
3.3 g-Tensor Analysis for Mo/W Enzymes
3.3.1 g-Tensor for a d1 Configuration. 3.3.2 Magneto-Structural Correlations in the Mo-Enzyme Family3.3.3 g-Tensor Analysis of Mo-bisPGD Active Site: Influence of the Protein Ligands
3.3.4 The g-Tensor of Mo(V)-monoPPT: The Case Study of the Sulfite Oxidase Family
3.3.5 g-Tensor and Substrate Binding: The Xanthine Oxidase Family
3.3.6 g-Tensor Calculation: Ab-initio and DFT Methods
3.3.7 g-Tensor of W(v) Species in Tungsten Enzymes
3.4 Detection and Analysis of Hyperfine Couplings to Mo/W(v) Species
3.4.1 Hyperfine Coupling to the Metal Ion
3.4.1.1 95,97Mo Hyperfine and Nuclear Quadrupole Tensors.