Protein Dynamics Function And Design

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Protein Dynamics, Function, and Design

Author : Oleg Jardetzky
Publisher : Springer Science & Business Media
ISBN 13 : 1461548950
Total Pages : 227 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Protein Dynamics, Function, and Design by : Oleg Jardetzky

Download or read book Protein Dynamics, Function, and Design written by Oleg Jardetzky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of articles from the proceedings of the International School of Structural Biology and Magnetic Resonance 3rd Course: Protein Dynamics, Function, and Design. This NATO Advance Study Institute was held in Erice at the Ettore Majorana Centre for Scientific Culture on April 16-28, 1997. The aim of the Institute was to bring together experts applyipg different physical methods to problems of macro molecular dynamics-notably x-ray diffraction, NMR and other forms of spectroscopy, and molecular dynamics simulations. Emphasis was placed on those systems and types of problems-such as mechanisms of allosteric control, signal transmission, induced fit to different ligands with its implications for drug design, and the effects of dynamics on structure determination-where a correlation of findings obtained by different methods could shed the most light on the mechanisms involved and stimulate the search for new approaches. The individual articles represent the state of the art in each of the areas cov ered and provide a guide to the original literature in this rapidly developing field. v CONTENTS 1. Determining Structures of ProteinlDN A Complexes by NMR Angela M. Gronenbom and G. Marius Clore 2. Fitting Protein Structures to Experimental Data: Lessons from before Your Mother Was Born . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Jeffrey C. Hoch, Alan S. Stem, and Peter J. Connolly 3. Multisubunit Allosteric Proteins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 William N. Lipscomb 4. Studying Protein Structure and Function by Directed Evolution: Examples with Engineered Antibodies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Andreas Pliickthun 5. High Pressure Effects on Protein Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Understanding Protein Dynamics, Binding and Allostery for Drug Design

Author : Guang Hu
Publisher : Frontiers Media SA
ISBN 13 : 2889668487
Total Pages : 276 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Understanding Protein Dynamics, Binding and Allostery for Drug Design by : Guang Hu

Download or read book Understanding Protein Dynamics, Binding and Allostery for Drug Design written by Guang Hu and published by Frontiers Media SA. This book was released on 2021-06-08 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

From Protein Sequence to Motion to Function

Author : Adam Damry
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis From Protein Sequence to Motion to Function by : Adam Damry

Download or read book From Protein Sequence to Motion to Function written by Adam Damry and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein dynamics are critical to the structure and function of proteins. However, due to the complexity they inherently bring to the protein design problem, dynamics historically have not been considered in computational protein design (CPD). Herein, we present meta-MSD, a new CPD methodology for the design of protein dynamics. We applied our methodology to the design of a novel mode of conformational exchange in Streptococcal protein G domain B1, producing dynamic variants we termed DANCERs. Predictions were validated by NMR characterization of selected DANCERs, confirming that our meta-MSD framework is suitable for the computational design of protein dynamics. We then performed a thorough NMR characterization of the sequence determinants of dynamics in one DANCER, isolating two mutations responsible for the novel dynamics this protein exhibits. The first, A34F, is responsible for destabilizing the highly stable native G?1 conformation, allowing the protein to sample other conformational states. The second, V39L mediates subtle interactions that stabilize the designed conformational trajectory in the context of the A34F mutation. Together, these results highlight the role of protein plasticity in the development of dynamics and the need for highly accurate computational tools to approach similar design problems. Finally, we present an NMR-based characterization of structural dynamics in a family of related red fluorescent proteins (RFPs) and pinpoint regions of the RFP structure where dynamics correlate to RFP brightness. This overview of the RFP dynamics-function relationship will be used in future projects to perform a computation design of functional dynamics in RFPs.

Protein Conformational Dynamics

Author : Ke-li Han
Publisher : Springer Science & Business Media
ISBN 13 : 3319029703
Total Pages : 488 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Protein Conformational Dynamics by : Ke-li Han

Download or read book Protein Conformational Dynamics written by Ke-li Han and published by Springer Science & Business Media. This book was released on 2014-01-20 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses how biological molecules exert their function and regulate biological processes, with a clear focus on how conformational dynamics of proteins are critical in this respect. In the last decade, the advancements in computational biology, nuclear magnetic resonance including paramagnetic relaxation enhancement, and fluorescence-based ensemble/single-molecule techniques have shown that biological molecules (proteins, DNAs and RNAs) fluctuate under equilibrium conditions. The conformational and energetic spaces that these fluctuations explore likely contain active conformations that are critical for their function. More interestingly, these fluctuations can respond actively to external cues, which introduces layers of tight regulation on the biological processes that they dictate. A growing number of studies have suggested that conformational dynamics of proteins govern their role in regulating biological functions, examples of this regulation can be found in signal transduction, molecular recognition, apoptosis, protein / ion / other molecules translocation and gene expression. On the experimental side, the technical advances have offered deep insights into the conformational motions of a number of proteins. These studies greatly enrich our knowledge of the interplay between structure and function. On the theoretical side, novel approaches and detailed computational simulations have provided powerful tools in the study of enzyme catalysis, protein / drug design, protein / ion / other molecule translocation and protein folding/aggregation, to name but a few. This work contains detailed information, not only on the conformational motions of biological systems, but also on the potential governing forces of conformational dynamics (transient interactions, chemical and physical origins, thermodynamic properties). New developments in computational simulations will greatly enhance our understanding of how these molecules function in various biological events.

The Use of Protein Dynamics in the Study of Protein Conformational Transition and Functionality and Its Relevance in Drug Design

Author : JoAnne Jean Babula
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.:/5 (114 download)

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Book Synopsis The Use of Protein Dynamics in the Study of Protein Conformational Transition and Functionality and Its Relevance in Drug Design by : JoAnne Jean Babula

Download or read book The Use of Protein Dynamics in the Study of Protein Conformational Transition and Functionality and Its Relevance in Drug Design written by JoAnne Jean Babula and published by . This book was released on 2020 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Misregulation of protein signaling pathways is the basis for many human diseases, and thus 95% of Food and Drug Administration approved drugs target proteins. Proteins are dynamic entities which can undergo transitions to reach different conformational states. The conformational state of a protein, or its three-dimensional shape, is intricately linked to functions, such as association with endogenous or exogenous binding partners, or catalysis. Thus, it is of interest to the pharmacological community to understand the mechanisms of protein conformational state transitions in order to better target and control protein functions. In two case studies, I show the importance of understanding protein dynamics in protein function and drug design. In the case of human immunodeficiency virus-1 (HIV-1) protease, a tremendous "open-and-closed" conformational transition is revealed by Molecular Dynamics Simulations (MDS). Through observing the dramatic difference in effectiveness of two Darunavir inhibitor derivatives differentiated by a single atom at locking the protease in the closed conformation, we discovered the residues and mechanism that lead to the protease's conformational transition. This mechanism also explained the significant difference in the binding conformation and binding affinity of these two inhibitors. This study provides insight on how to improve the potency and anti-viral capacity of these compounds. In the second case study, MDS enabled us to observe the conformational transitions of a family of seven isoforms known as the 14-3-3 proteins. Many vital cellular processes involve all or select 14-3-3 isoforms, making this family very difficult to target. Through MDS, I discovered different conformational samplings among these 14-3-3 isoforms which were then validated by SAXS. Subsequently, a FRET-based ligand binding assay was developed which can screen for preferential 14-3-3 isoform binding of endogenous ligands, giving hope that using conformations unique to a 14-3-3 isoform of interest can provide a method for selective drug design

Introduction to Proteins

Author : Amit Kessel
Publisher : CRC Press
ISBN 13 : 1498747213
Total Pages : 1489 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Introduction to Proteins by : Amit Kessel

Download or read book Introduction to Proteins written by Amit Kessel and published by CRC Press. This book was released on 2018-03-22 with total page 1489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to Proteins provides a comprehensive and state-of-the-art introduction to the structure, function, and motion of proteins for students, faculty, and researchers at all levels. The book covers proteins and enzymes across a wide range of contexts and applications, including medical disorders, drugs, toxins, chemical warfare, and animal behavior. Each chapter includes a Summary, Exercies, and References. New features in the thoroughly-updated second edition include: A brand-new chapter on enzymatic catalysis, describing enzyme biochemistry, classification, kinetics, thermodynamics, mechanisms, and applications in medicine and other industries. These are accompanied by multiple animations of biochemical reactions and mechanisms, accessible via embedded QR codes (which can be viewed by smartphones) An in-depth discussion of G-protein-coupled receptors (GPCRs) A wider-scale description of biochemical and biophysical methods for studying proteins, including fully accessible internet-based resources, such as databases and algorithms Animations of protein dynamics and conformational changes, accessible via embedded QR codes Additional features Extensive discussion of the energetics of protein folding, stability and interactions A comprehensive view of membrane proteins, with emphasis on structure-function relationship Coverage of intrinsically unstructured proteins, providing a complete, realistic view of the proteome and its underlying functions Exploration of industrial applications of protein engineering and rational drug design Each chapter includes a Summary, Exercies, and References Approximately 300 color images Downloadable solutions manual available at www.crcpress.com For more information, including all presentations, tables, animations, and exercises, as well as a complete teaching course on proteins' structure and function, please visit the author's website: http://ibis.tau.ac.il/wiki/nir_bental/index.php/Introduction_to_Proteins_Book. Praise for the first edition "This book captures, in a very accessible way, a growing body of literature on the structure, function and motion of proteins. This is a superb publication that would be very useful to undergraduates, graduate students, postdoctoral researchers, and instructors involved in structural biology or biophysics courses or in research on protein structure-function relationships." --David Sheehan, ChemBioChem, 2011 "Introduction to Proteins is an excellent, state-of-the-art choice for students, faculty, or researchers needing a monograph on protein structure. This is an immensely informative, thoroughly researched, up-to-date text, with broad coverage and remarkable depth. Introduction to Proteins would provide an excellent basis for an upper-level or graduate course on protein structure, and a valuable addition to the libraries of professionals interested in this centrally important field." --Eric Martz, Biochemistry and Molecular Biology Education, 2012

Computational Protein Design

Author : Ilan Samish
Publisher : Humana
ISBN 13 : 9781493966356
Total Pages : 0 pages
Book Rating : 4.9/5 (663 download)

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Book Synopsis Computational Protein Design by : Ilan Samish

Download or read book Computational Protein Design written by Ilan Samish and published by Humana. This book was released on 2016-12-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim this volume is to present the methods, challenges, software, and applications of this widespread and yet still evolving and maturing field. Computational Protein Design, the first book with this title, guides readers through computational protein design approaches, software and tailored solutions to specific case-study targets. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Computational Protein Design aims to ensure successful results in the further study of this vital field.

Proteins

Author : V. Renugopalakrishnan
Publisher : Springer
ISBN 13 :
Total Pages : 428 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Proteins by : V. Renugopalakrishnan

Download or read book Proteins written by V. Renugopalakrishnan and published by Springer. This book was released on 1991-07-31 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major goal of 'Expanding Frontiers in Polypeptide and Protein Structural Research' has been to bring the various avenues for the exploration of protein structures to a single forum. The idea of organizing the symposiwn was conceived by one of the editors, V. Renugopalakrislman, during the 9th International Biophysics Congress satellite symposium at Kibbutz Nof-Ginosar, Israel in 1987. It was originally supposed to dwell on 2D NMR and molecular dynamics of polypeptides and proteins. During the earlier part of the last decade, these two approaches began to emerge as powerful tools to probe protein structures at the atomic level in solution. The developments in molecular biology ushered in the capability to design polypeptides and proteins for specific application in science and technology. The emergence of 2D NMR and molecular dynamics was greatly facilitated by contemporary developments in molecular biology and protein engineering. Therefore an international symposiwn devoted exclusively to 2D NMR and molecular dynamics studies of proteins was felt necessary to bring two major approaches in a single forum. In addition to emphasis on 2D NMR and molecular dynamics simulation, the scope of the symposiwn included optical spectroscopy, protein design, and new horizons in protein structure. The symposiwn consisted of five plenary sessions devoted to NMR and optical spectroscopy as probes for protein structure, protein dynamics, computational methods in protein design, and new horizons in protein structure. In addition, five workshops in related areas, viz.

Protein Actions: Principles and Modeling

Author : Ivet Bahar
Publisher : Garland Science
ISBN 13 : 1351815016
Total Pages : 336 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Protein Actions: Principles and Modeling by : Ivet Bahar

Download or read book Protein Actions: Principles and Modeling written by Ivet Bahar and published by Garland Science. This book was released on 2017-02-14 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein Actions: Principles and Modeling is aimed at graduates, advanced undergraduates, and any professional who seeks an introduction to the biological, chemical, and physical properties of proteins. Broadly accessible to biophysicists and biochemists, it will be particularly useful to student and professional structural biologists and molecular biophysicists, bioinformaticians and computational biologists, biological chemists (particularly drug designers) and molecular bioengineers. The book begins by introducing the basic principles of protein structure and function. Some readers will be familiar with aspects of this, but the authors build up a more quantitative approach than their competitors. Emphasizing concepts and theory rather than experimental techniques, the book shows how proteins can be analyzed using the disciplines of elementary statistical mechanics, energetics, and kinetics. These chapters illuminate how proteins attain biologically active states and the properties of those states. The book ends with a synopsis the roles of computational biology and bioinformatics in protein science.

From Protein Structure to Function with Bioinformatics

Author : Daniel John Rigden
Publisher : Springer Science & Business Media
ISBN 13 : 1402090587
Total Pages : 330 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis From Protein Structure to Function with Bioinformatics by : Daniel John Rigden

Download or read book From Protein Structure to Function with Bioinformatics written by Daniel John Rigden and published by Springer Science & Business Media. This book was released on 2008-12-11 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proteins lie at the heart of almost all biological processes and have an incredibly wide range of activities. Central to the function of all proteins is their ability to adopt, stably or sometimes transiently, structures that allow for interaction with other molecules. An understanding of the structure of a protein can therefore lead us to a much improved picture of its molecular function. This realisation has been a prime motivation of recent Structural Genomics projects, involving large-scale experimental determination of protein structures, often those of proteins about which little is known of function. These initiatives have, in turn, stimulated the massive development of novel methods for prediction of protein function from structure. Since model structures may also take advantage of new function prediction algorithms, the first part of the book deals with the various ways in which protein structures may be predicted or inferred, including specific treatment of membrane and intrinsically disordered proteins. A detailed consideration of current structure-based function prediction methodologies forms the second part of this book, which concludes with two chapters, focusing specifically on case studies, designed to illustrate the real-world application of these methods. With bang up-to-date texts from world experts, and abundant links to publicly available resources, this book will be invaluable to anyone who studies proteins and the endlessly fascinating relationship between their structure and function.

Dynamics of Proteins and Nucleic Acids

Author : J. Andrew McCammon
Publisher : Cambridge University Press
ISBN 13 : 9780521356527
Total Pages : 256 pages
Book Rating : 4.3/5 (565 download)

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Book Synopsis Dynamics of Proteins and Nucleic Acids by : J. Andrew McCammon

Download or read book Dynamics of Proteins and Nucleic Acids written by J. Andrew McCammon and published by Cambridge University Press. This book was released on 1988-04-29 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a self-contained introduction to the theory of atomic motion in proteins and nucleic acids. An understanding of such motion is essential because it plays a crucially important role in biological activity. The authors, both of whom are well known for their work in this field, describe in detail the major theoretical methods that are likely to be useful in the computer-aided design of drugs, enzymes and other molecules. A variety of theoretical and experimental studies is described and these are critically analyzed to provide a comprehensive picture of dynamic aspects of biomolecular structure and function. The book will be of interest to graduate students and research workers in structural biochemistry (X-ray diffraction and NMR), theoretical chemistry (liquids and polymers), biophysics, enzymology, molecular biology, pharmaceutical chemistry, genetic engineering and biotechnology.

Alphafold 3 Understanding Protein Structures

Author : StoryBuddiesPlay
Publisher : StoryBuddiesPlay
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4./5 ( download)

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Book Synopsis Alphafold 3 Understanding Protein Structures by : StoryBuddiesPlay

Download or read book Alphafold 3 Understanding Protein Structures written by StoryBuddiesPlay and published by StoryBuddiesPlay. This book was released on 2024-06-09 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: AlphaFold 3: Unveiling the Protein Universe and Revolutionizing Healthcare Proteins are the fundamental building blocks of life, playing a critical role in every physiological process. But understanding their complex structures has been a longstanding challenge. Enter AlphaFold 3, a revolutionary artificial intelligence system that has unlocked a new era of protein science. This comprehensive guide delves into the fascinating world of proteins and explores how AlphaFold 3 is transforming our understanding and manipulation of these essential molecules. Unveiling Protein Structures with Unprecedented Accuracy AlphaFold 3 utilizes the power of deep learning to predict protein structures with remarkable accuracy, surpassing even the most advanced experimental methods. This breakthrough allows scientists to visualize the intricate three-dimensional shapes of proteins, providing crucial insights into their function and potential roles in health and disease. The Future of Medicine: Personalized Treatments and Early Disease Detection With the ability to predict protein structures, AlphaFold 3 holds immense potential for personalized medicine. By analyzing an individual's unique protein profile, doctors can potentially tailor treatments and identify those at risk for developing certain protein-related diseases. This personalized approach could lead to more effective therapies, earlier intervention, and improved patient outcomes. Beyond Medicine: A Protein-Powered Future The impact of AlphaFold 3 extends far beyond the realm of medicine. Its ability to predict protein structures can benefit various fields, including: Biotechnology and Agriculture: Design of crops with improved resistance to pests and diseases, development of biofuels, and bioremediation strategies. Materials Science and Engineering: Creation of biomimetic materials with unique properties and design of next-generation electronics. Energy Production and Storage: Development of novel enzymes for efficient biocatalysis and exploration of protein-based energy storage solutions. A New Era of Discovery: Unveiling Protein Dynamics and Designing the Future The future of protein science promises even more exciting advancements. By incorporating protein dynamics – how these molecules move and interact – into predictions, AlphaFold 3 can offer a more complete picture of protein function. Additionally, the field of protein design aims to create proteins with entirely new properties, paving the way for groundbreaking innovations in various sectors. Join the Exploration: A Deep Dive into the World of Proteins This guide is just the beginning of your journey into the fascinating world of proteins and AlphaFold 3. As research continues to unlock the secrets of these remarkable molecules, the possibilities for a healthier, more sustainable future are truly limitless.

Innovations and Implementations of Computer Aided Drug Discovery Strategies in Rational Drug Design

Author : Sanjeev Kumar Singh
Publisher : Springer Nature
ISBN 13 : 9811589364
Total Pages : 334 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Innovations and Implementations of Computer Aided Drug Discovery Strategies in Rational Drug Design by : Sanjeev Kumar Singh

Download or read book Innovations and Implementations of Computer Aided Drug Discovery Strategies in Rational Drug Design written by Sanjeev Kumar Singh and published by Springer Nature. This book was released on 2021-02-02 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents various computer-aided drug discovery methods for the design and development of ligand and structure-based drug molecules. A wide variety of computational approaches are now being used in various stages of drug discovery and development, as well as in clinical studies. Yet, despite the rapid advances in computer software and hardware, combined with the exponential growth in the available biological information, there are many challenges that still need to be addressed, as this book shows. In turn, it shares valuable insights into receptor-ligand interactions in connection with various biological functions and human diseases. The book discusses a wide range of phylogenetic methods and highlights the applications of Molecular Dynamics Simulation in the drug discovery process. It also explores the application of quantum mechanics in order to provide better accuracy when calculating protein-ligand binding interactions and predicting binding affinities. In closing, the book provides illustrative descriptions of major challenges associated with computer-aided drug discovery for the development of therapeutic drugs. Given its scope, it offers a valuable asset for life sciences researchers, medicinal chemists and bioinformaticians looking for the latest information on computer-aided methodologies for drug development, together with their applications in drug discovery.

Exploring Structure-dynamics-function Relationship in Proteins, Protein

Author : Karan Pal Kapoor
Publisher :
ISBN 13 :
Total Pages : 227 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Exploring Structure-dynamics-function Relationship in Proteins, Protein by : Karan Pal Kapoor

Download or read book Exploring Structure-dynamics-function Relationship in Proteins, Protein written by Karan Pal Kapoor and published by . This book was released on 2015 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Protein Molecular and Structural Biology Methods

Author : Timir Tripathi
Publisher : Academic Press
ISBN 13 : 0323902650
Total Pages : 716 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Advances in Protein Molecular and Structural Biology Methods by : Timir Tripathi

Download or read book Advances in Protein Molecular and Structural Biology Methods written by Timir Tripathi and published by Academic Press. This book was released on 2022-01-14 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Protein Molecular and Structural Biology Methods offers a complete overview of the latest tools and methods applicable to the study of proteins at the molecular and structural level. The book begins with sections exploring tools to optimize recombinant protein expression and biophysical techniques such as fluorescence spectroscopy, NMR, mass spectrometry, cryo-electron microscopy, and X-ray crystallography. It then moves towards computational approaches, considering structural bioinformatics, molecular dynamics simulations, and deep machine learning technologies. The book also covers methods applied to intrinsically disordered proteins (IDPs)followed by chapters on protein interaction networks, protein function, and protein design and engineering. It provides researchers with an extensive toolkit of methods and techniques to draw from when conducting their own experimental work, taking them from foundational concepts to practical application. Presents a thorough overview of the latest and emerging methods and technologies for protein study Explores biophysical techniques, including nuclear magnetic resonance, X-ray crystallography, and cryo-electron microscopy Includes computational and machine learning methods Features a section dedicated to tools and techniques specific to studying intrinsically disordered proteins

Dynamics, Structure, and Function of Biological Macromolecules

Author : Oleg Jardetzky
Publisher : IOS Press
ISBN 13 : 9781586030322
Total Pages : 212 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Dynamics, Structure, and Function of Biological Macromolecules by : Oleg Jardetzky

Download or read book Dynamics, Structure, and Function of Biological Macromolecules written by Oleg Jardetzky and published by IOS Press. This book was released on 2001 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of articles looking at modern structural biology, summarizing the applications of physical methods - such as x-ray diffraction, high resolution nuclear magnetic resonance and molecular dynamics - to the study of protein structure and dynamics. There is a review of contemporary thoughts within the field, looking at the mechanisms of alloateric transitions and allosteric control, the transmission of information within protein structures and the role of dynamics in determining the specificity of protein - ligand interactions. There is also a look at future innovations.

Insights Into Protein Function from Evolutionary and Conformational Dynamics

Author : Philip W. Bransford
Publisher :
ISBN 13 :
Total Pages : 145 pages
Book Rating : 4.:/5 (82 download)

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Book Synopsis Insights Into Protein Function from Evolutionary and Conformational Dynamics by : Philip W. Bransford

Download or read book Insights Into Protein Function from Evolutionary and Conformational Dynamics written by Philip W. Bransford and published by . This book was released on 2011 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume of protein structure data has grown rapidly over the past 30 years, leaving a wake of facts that still require explanation. We endeavored to answer a few open questions on the structure-function relationship of intriguing mechanochemical protein systems. To this end this thesis work contains five studies that offer novel insights into molecular biomechanical systems that may guide future basic research or applications development. The first study concerns the biophysics of cadherin-mediated cell sorting observed in developing solid tissue. We investigated the evolutionary dynamics of the cadherin superfamily of cell-cell adhesion proteins to infer a structural basis for their paradoxical mixture of pairwise binding specificity and promiscuity. Our analysis predicts a small set of specificity-determining residues located within the protomer-protomer binding interface. The putative specificity-determinants form a design space with potential for engineering novel cell-cell adhesive interactions. The second study addresses the open question of how to automatically identify regions within a protein that engage in allosteric communication. To identify allostery we developed and tested two computational tools that operate on protein conformational dynamics data. These tools are useful for generating testable hypotheses about proteins with multiple functional sites for the design of non-competitive protein inhibitors. The third study asks, "What is the consequence of allosteric cooperation between the tandem binding sites in a class of proteins that bundle filamentous actin (F-actin)?" Through simulation we demonstrate that cooperative F-actin bundling tends to strengthen bundles by driving the formation of cross-links between neighboring filaments while depleting F-actin binding sites that are occupied but not cross-linked. We hence propose that allostery may be a natural feature of ABPs with tandem F-actin binding sites if nature indeed selects for sturdy F-actin bundles. The final two studies examine the impact of two structural perturbations to Factin on its mechanics. Using structure-based computer modeling we develop a simple explanation for the mechanism by which the structure of actin's polymorphic subdomain 2 mediates 4-fold changes in F-actin's flexibility. We further demonstrate that two calponin homology domains stabilize F-actin by binding in a configuration that tends to relax the stress concentration at actin-actin interfaces.