The first systematic summary of biophysical mass spectrometry
techniques
Recent advances in mass spectrometry (MS) have pushed the frontiers
of analytical chemistry into the biophysical laboratory. As a
result, the biophysical community’s acceptance of MS-based methods,
used to study protein higher-order structure and dynamics, has
accelerated the expansion of biophysical MS.
Despite this growing trend, until now no single text has presented
the full array of MS-based experimental techniques and strategies
for biophysics. Mass Spectrometry in Biophysics expertly closes
this gap in the literature.
Covering the theoretical background and technical aspects of each
method, this much-needed reference offers an unparalleled overview
of the current state of biophysical MS. Mass Spectrometry in
Biophysics begins with a helpful discussion of general biophysical
concepts and MS-related techniques. Subsequent chapters
address:
* Modern spectrometric hardware
* High-order structure and dynamics as probed by various MS-based
methods
* Techniques used to study structure and behavior of non-native
protein states that become populated under denaturing
conditions
* Kinetic aspects of protein folding and enzyme catalysis
* MS-based methods used to extract quantitative information on
protein-ligand interactions
* Relation of MS-based techniques to other experimental tools
* Biomolecular properties in the gas phase
Fully referenced and containing a helpful appendix on the physics
of electrospray mass spectrometry, Mass Spectrometry in Biophysics
also offers a compelling look at the current challenges facing
biomolecular MS and the potential applications that will likely
shape its future.
विषयसूची
Preface.
1 General Overview of Basic Concepts in Molecular Biophysics.
1.1. Covalent Structure of Biopolymers.
1.2. Noncovalent Interactions and Higher-order Structure.
1.3. The Protein Folding Problem.
1.4. Protein Energy Landscapes and the Folding Problem.
1.5. Protein Dynamics and Function.
References.
2 Overview of ‘Traditional’ Experimental Arsenal to Study Biomolecular Structure and Dynamics.
2.1. X-Ray Crystallography.
2.2. Solution Scattering Techniques.
2.3. NMR Spectroscopy.
2.4. Other Spectroscopic Techniques.
2.5. Other Biophysical Methods to Study Macromolecular Interactions and Dynamics.
References.
3 Overview of Biological Mass Spectrometry.
3.1. Basic Principles of Mass Spectrometry.
3.2. Methods of Producing Biomolecular Ions.
3.3. Mass Analysis.
3.4. Tandem Mass Spectrometry.
3.5. Brief Overview of Common Mass Analyzers.
References.
4 Mass Spectrometry-Based Approaches to Study Biomolecular Higher-Order Structure.
4.1. Biomolecular Topography: Contact and Proximity Maps via Chemical Cross-Linking.
4.2. Mapping Solvent-Exposed Regions: Footprinting Methods.
4.3. Emerging Low-Resolution Methods: Zero-Interference Approaches.
References.
5 Mass Spectrometry-based Approaches to Study Biomolecular Dynamics: Equilibrium Intermediates.
5.1. Monitoring Equilibrium Intermediates: Protein Ion Charge State Distributions (ESI MS).
5.2. Chemical Labeling and Trapping Equilibrium States in Unfolding Experiments.
5.3. Structure and Dynamics of Intermediate Equilibrium States: Use of Hydrogen Exchange.
5.4. Measurements of Local Patterns of Hydrogen Exchange.
References.
6 Kinetic Studies by Mass Spectrometry.
6.1. Kinetics of Protein Folding.
6.2. Kinetics by Mass Spectrometry.
6.3. Kinetics of Enzyme Catalysis.
References.
7 Protein Interaction: A Closer Look at the ‘Structure-Dynamics-Function’ Triad.
7.1. Protein-Ligand Interactions: Characterization of Noncovalent Complexes Using Direct ESI MS Measurements.
7.2. Indirect Characterization of Noncovalent Interactions: Measurements Under Native Conditions.
7.3. Indirect Characterization of Noncovalent Interactions: Exploiting Protein Dynamics Under Denaturing Conditions.
7.4. Understanding Protein Action: Mechanistic Insights from the Analysis of Structure and Dynamics Under Native Conditions.
7.5. Understanding Protein Action: Mechanistic Insights from the Analysis of Structure and Dynamics Under Denaturing Conditions.
References.
8 Synergism Between Biophysical Techniques.
8.1. Hen Egg White Lysozyme.
8.2. Molecular Chaperones.
References.
9 Other Biopolymers and Synthetic Polymers of Biological Interest.
9.1. DNA.
9.2. RNA.
9.3. Oligosaccharides.
9.4. ‘Passive’ Polymers of Biotic and Abiotic Origin.
References.
10 Biomolecular Ions in a Solvent-Free Environment.
10.1. General Considerations: Role of Solvent in Maintaining Biomolecular Structure and Modulating its Dynamics.
10.2. Experimental Methods to Study Biomolecular Structure in Vacuo.
10.3. Protein and Peptide Ion Behavior in a Solvent-Free Environment.
10.4. Protein Hydration in the Gas Phase: Bridging ‘Micro’ and ‘Macro’.
References.
11 Mass Spectrometry on the March: Where Next? From Molecular Biophysics to Structural Biology, Perspectives and Challenges.
11.1. Assembly and Function of Large Macromolecular Complexes: From Oligomers to Subcellular Structures to . . . Organisms?
11.2. Structure and Dynamics of Membrane Proteins.
11.3. Macromolecular Trafficking and Cellular Signaling.
11.4. In Vivo versus in Vitro Behavior of Biopolymers.
References.
Appendix: Physics of Electrospray.
Index.
लेखक के बारे में
IGOR A. KALTASHOV, Ph D, is currently an Assistant Professor in the
Department of Chemistry at the University of Massachusetts,
Amherst.
STEPHEN J. EYLES, Ph D, is a Lecturer in the Department of
Polymer Science and Engineering and the Director of Mass
Spectrometry and Molecular Weight Characterization Facility at the
University of Massachusetts, Amherst.
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