Computer Simulations of Protein Structures and Interactions

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Publisher : Springer
ISBN 13 : 9783540601333
Total Pages : 284 pages
Book Rating : 4.6/5 (13 download)

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Book Synopsis Computer Simulations of Protein Structures and Interactions by : Serafin Fraga

Download or read book Computer Simulations of Protein Structures and Interactions written by Serafin Fraga and published by Springer. This book was released on 1995-08-18 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein engineering endeavors to design new peptides and proteins or to change the structural and/or functional characteristics of existing ones for specific purposes, opening the way for the development of new drugs. This work develops in a comprehensive way the theoretical formulation for the methods used in computer-assisted modeling and predictions, starting from the basic concepts and proceeding to the more sophisticated methods, such as Monte Carlo and molecular dynamics. An evaluation of the approximations inherent to the simulations will allow the reader to obtain a perspective of the possible deficiencies and difficulties and approach the task with realistic expectations. Examples from the authors laboratories, as well as from the literature provide useful information.

Computer Simulations of Protein Structures and Interactions

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Publisher : Springer Science & Business Media
ISBN 13 : 3642514995
Total Pages : 296 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Computer Simulations of Protein Structures and Interactions by : Serafin Fraga

Download or read book Computer Simulations of Protein Structures and Interactions written by Serafin Fraga and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein engineering endeavors to design new peptides and proteins or to change the structural and/or functional characteristics of existing ones for specific purposes, opening the way for the development of new drugs. This work develops in a comprehensive way the theoretical formulation for the methods used in computer-assisted modeling and predictions, starting from the basic concepts and proceeding to the more sophisticated methods, such as Monte Carlo and molecular dynamics. An evaluation of the approximations inherent to the simulations will allow the reader to obtain a perspective of the possible deficiencies and difficulties and approach the task with realistic expectations. Examples from the authors laboratories, as well as from the literature provide useful information.

Computer Simulation of Biomolecular Systems

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Publisher : Springer Science & Business Media
ISBN 13 : 9401711208
Total Pages : 633 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Computer Simulation of Biomolecular Systems by : W.F. van Gunsteren

Download or read book Computer Simulation of Biomolecular Systems written by W.F. van Gunsteren and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third volume in the series on Computer Simulation of Biomolecular Systems continues with the format introduced in the first volume [1] and elaborated in the second volume [2]. The primary emphasis is on the methodological aspects of simulations, although there are some chapters that present the results obtained for specific systems of biological interest. The focus of this volume has changed somewhat since there are several chapters devoted to structure-based ligand design, which had only a single chapter in the second volume. It seems useful to set the stage for this volume by quoting from my preface to Volume 2 [2]. "The long-range 'goal of molecular approaches to biology is to describe living systems in terms of chemistry and physics. Over the last fifty years great progress has been made in applying the equations representing the underlying physical laws to chemical problems involv ing the structures and reactions of small molecules. Corresponding studies of mesoscopic systems have been undertaken much more recently. Molecular dynamics simulations, which are the primary focus of this volume, represent the most important theoretical approach to macromolecules of biological interest." ...

Computational Simulation of Biological Systems

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Publisher :
ISBN 13 : 9780542228612
Total Pages : pages
Book Rating : 4.2/5 (286 download)

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Book Synopsis Computational Simulation of Biological Systems by : Wei Zhang

Download or read book Computational Simulation of Biological Systems written by Wei Zhang and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific understanding as well as the way of studying science has been greatly changed since the advent of computer modeling. Computer simulation has played a central role in bridging theoretical and experimental studies. In this work, computer simulations were applied to explore biological systems on both protein folding and protein structure prediction studies. In the first study, the folding mechanisms of two alanine based helical peptides (Fs-21 peptide and MABA bonded Fs-21 peptide) were investigated by all atom molecular dynamics simulations and compared with experimental results. Multi-phase folding processes were observed for both peptides. Temperature change affected the relative stability of different ensembles. Helix-turn-helix conformation was found to be the most populated state at 300K while the full helix became more stable at low temperature (273K). The turn structure was found to be stabilized mainly by hydrophobic interactions. In the second study, helix-coil transition theory was elaborately tested by both statistical and energetic methods based on simulations of alanine based peptides. A weighted Ising model was proposed, and the model-derived propagation constant agreed very well with the experimental results. Solvation effect and electrostatic interactions were found to be the two main contributors to helix-coil transition. The results challenged the classic helix-coil transition theory by proving that the single sequence assumption was not appropriate for helix-coil transition. Conformational sampling has been a long-standing issue in computational sciences. In the third study, we systematically tested the convergence of the Replica Exchange Molecular Dynamics method (REMD), which is a recently developed method for conformational sampling enhancement. The results suggested that REMD can significantly enhance the sampling efficiency and accurately reproduce the long-time MD results with high efficiency. However, fluctuations at low temperatures (300 K) indicated that REMD simulations did not converge within our simulation time (14 ns). Much longer REMD simulation time might be needed for the system to reach thermodynamic equilibrium than expected. Finding the optimal side chain packing is a common issue in structure prediction, protein design and protein docking. In the fourth study, a new method was presented. The method overcame the rough energy landscape problem and enabled all-atom MD simulation to be applied directly to protein structure refinement. The method showed very successful results on buried side-chain assignments, nearly 100% accuracy on all 6 randomly picked proteins was reached; the results also clearly demonstrated that the proposed method can significantly enhance conformational sampling. These encouraging results suggested prospective applications on many other protein related systems.

Computer Simulations of Aggregation of Proteins and Peptides

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Publisher : Humana
ISBN 13 : 9781071615454
Total Pages : 478 pages
Book Rating : 4.6/5 (154 download)

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Book Synopsis Computer Simulations of Aggregation of Proteins and Peptides by : Mai Suan Li

Download or read book Computer Simulations of Aggregation of Proteins and Peptides written by Mai Suan Li and published by Humana. This book was released on 2022-02-16 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides computational methods and reviews various aspects of computational studies of protein aggregation. Chapters discuss the relationship between protein misfolding and protein aggregation, methods of prediction of aggregation propensities of protein, peptides, protein structure, results of computer simulations of aggregation, and computational simulations focused on specific diseases such as Alzheimer’s, Parkinson’s, and preeclampsia. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Computer Simulations of Aggregation of Proteins and Peptides aims to ensure successful results in the further study of this vital field.

Computer Simulations of Protein Folding

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Publisher :
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Computer Simulations of Protein Folding by : Atipat Rojnuckarin

Download or read book Computer Simulations of Protein Folding written by Atipat Rojnuckarin and published by . This book was released on 1998 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computer Assisted Modeling

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Publisher : National Academies Press
ISBN 13 : 0309062284
Total Pages : 186 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Computer Assisted Modeling by : National Research Council

Download or read book Computer Assisted Modeling written by National Research Council and published by National Academies Press. This book was released on 1987-02-01 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: In much of biology, the search for understanding the relation between structure and function is now taking place at the macromolecular level. Proteins, nucleic acids, and polysaccharides are macromolecule--polymers formed from families of simpler subunits. Because of their size and complexity, the polymers are capable of both inter- and intramolecular interactions. These interactions confer upon the polymers distinctive three-dimensional shapes. These tertiary configurations, in turn, determine the function of the macromolecule. Computers have become so inextricably involved in empirical studies of three-dimensional macromolecular structure that mathematical modeling, or theory, and experimental approaches are interrelated aspects of a single enterprise.

Computer Simulations of Aggregation of Proteins and Peptides

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Publisher :
ISBN 13 : 9781071615461
Total Pages : 478 pages
Book Rating : 4.6/5 (154 download)

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Book Synopsis Computer Simulations of Aggregation of Proteins and Peptides by : Mai Suan Li

Download or read book Computer Simulations of Aggregation of Proteins and Peptides written by Mai Suan Li and published by . This book was released on 2022 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides computational methods and reviews various aspects of computational studies of protein aggregation. Chapters discuss the relationship between protein misfolding and protein aggregation, methods of prediction of aggregation propensities of protein, peptides, protein structure, results of computer simulations of aggregation, and computational simulations focused on specific diseases such as Alzheimer’s, Parkinson’s, and preeclampsia. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Computer Simulations of Aggregation of Proteins and Peptides aims to ensure successful results in the further study of this vital field.

Computational Methods for Protein Structure Prediction and Modeling

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Publisher : Springer Science & Business Media
ISBN 13 : 0387688250
Total Pages : 335 pages
Book Rating : 4.3/5 (876 download)

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Book Synopsis Computational Methods for Protein Structure Prediction and Modeling by : Ying Xu

Download or read book Computational Methods for Protein Structure Prediction and Modeling written by Ying Xu and published by Springer Science & Business Media. This book was released on 2010-05-05 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume Two of this two-volume sequence presents a comprehensive overview of protein structure prediction methods and includes protein threading, De novo methods, applications to membrane proteins and protein complexes, structure-based drug design, as well as structure prediction as a systems problem. A series of appendices review the biological and chemical basics related to protein structure, computer science for structural informatics, and prerequisite mathematics and statistics.

Computational Approaches for Understanding Dynamical Systems: Protein Folding and Assembly

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Publisher : Academic Press
ISBN 13 : 0128211377
Total Pages : 554 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Computational Approaches for Understanding Dynamical Systems: Protein Folding and Assembly by :

Download or read book Computational Approaches for Understanding Dynamical Systems: Protein Folding and Assembly written by and published by Academic Press. This book was released on 2020-03-05 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Approaches for Understanding Dynamical Systems: Protein Folding and Assembly, Volume 170 in the Progress in Molecular Biology and Translational Science series, provides the most topical, informative and exciting monographs available on a wide variety of research topics. The series includes in-depth knowledge on the molecular biological aspects of organismal physiology, with this release including chapters on Pairwise-Additive and Polarizable Atomistic Force Fields for Molecular Dynamics Simulations of Proteins, Scale-consistent approach to the derivation of coarse-grained force fields for simulating structure, dynamics, and thermodynamics of biopolymers, Enhanced sampling and free energy methods, and much more. Includes comprehensive coverage on molecular biology Presents ample use of tables, diagrams, schemata and color figures to enhance the reader's ability to rapidly grasp the information provided Contains contributions from renowned experts in the field

Computational Methods for Protein Structure Prediction and Modeling

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Publisher : Springer Science & Business Media
ISBN 13 : 0387683720
Total Pages : 408 pages
Book Rating : 4.3/5 (876 download)

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Book Synopsis Computational Methods for Protein Structure Prediction and Modeling by : Ying Xu

Download or read book Computational Methods for Protein Structure Prediction and Modeling written by Ying Xu and published by Springer Science & Business Media. This book was released on 2007-08-24 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume One of this two-volume sequence focuses on the basic characterization of known protein structures, and structure prediction from protein sequence information. Eleven chapters survey of the field, covering key topics in modeling, force fields, classification, computational methods, and structure prediction. Each chapter is a self contained review covering definition of the problem and historical perspective; mathematical formulation; computational methods and algorithms; performance results; existing software; strengths, pitfalls, challenges, and future research.

Protein Interactions: Computational Methods, Analysis And Applications

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Publisher : World Scientific
ISBN 13 : 9811211884
Total Pages : 424 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Protein Interactions: Computational Methods, Analysis And Applications by : M Michael Gromiha

Download or read book Protein Interactions: Computational Methods, Analysis And Applications written by M Michael Gromiha and published by World Scientific. This book was released on 2020-03-05 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is indexed in Chemical Abstracts ServiceThe interactions of proteins with other molecules are important in many cellular activities. Investigations have been carried out to understand the recognition mechanism, identify the binding sites, analyze the the binding affinity of complexes, and study the influence of mutations on diseases. Protein interactions are also crucial in structure-based drug design.This book covers computational analysis of protein-protein, protein-nucleic acid and protein-ligand interactions and their applications. It provides up-to-date information and the latest developments from experts in the field, using illustrations to explain the key concepts and applications. This volume can serve as a single source on comparative studies of proteins interacting with proteins/DNAs/RNAs/carbohydrates and small molecules.

Multiscale Approaches to Protein Modeling

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Publisher : Springer Science & Business Media
ISBN 13 : 144196889X
Total Pages : 360 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Multiscale Approaches to Protein Modeling by : Andrzej Kolinski

Download or read book Multiscale Approaches to Protein Modeling written by Andrzej Kolinski and published by Springer Science & Business Media. This book was released on 2010-10-13 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book gives a comprehensive review of the most advanced multiscale methods for protein structure prediction, computational studies of protein dynamics, folding mechanisms and macromolecular interactions. It approaches span a wide range of the levels of coarse-grained representations, various sampling techniques and variety of applications to biomedical and biophysical problems. This book is intended to be used as a reference book for those who are just beginning their adventure with biomacromolecular modeling but also as a valuable source of detailed information for those who are already experts in the field of biomacromolecular modeling and in related areas of computational biology or biophysics.

Computational Methods for Protein Folding, Volume 120

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Publisher : John Wiley & Sons
ISBN 13 : 0471465232
Total Pages : 544 pages
Book Rating : 4.4/5 (714 download)

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Book Synopsis Computational Methods for Protein Folding, Volume 120 by : Richard A. Friesner

Download or read book Computational Methods for Protein Folding, Volume 120 written by Richard A. Friesner and published by John Wiley & Sons. This book was released on 2004-04-07 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first attempts to model proteins on a computer began almost thirty years ago, our understanding of protein structure and dynamics has dramatically increased. Spectroscopic measurement techniques continue to improve in resolution and sensitivity, allowing a wealth of information to be obtained with regard to the kinetics of protein folding and unfolding, and complementing the detailed structural picture of the folded state. Concurrently, algorithms, software, and computational hardware have progressed to the point where both structural and kinetic problems may be studied with a fair degree of realism. Despite these advances, many major challenges remain in understanding protein folding at both the conceptual and practical levels. Computational Methods for Protein Folding seeks to illuminate recent advances in computational modeling of protein folding in a way that will be useful to physicists, chemists, and chemical physicists. Covering a broad spectrum of computational methods and practices culled from a variety of research fields, the editors present a full range of models that, together, provide a thorough and current description of all aspects of protein folding. A valuable resource for both students and professionals in the field, the book will be of value both as a cutting-edge overview of existing information and as a catalyst for inspiring new studies. Computational Methods for Protein Folding is the 120th volume in the acclaimed series Advances in Chemical Physics, a compilation of scholarly works dedicated to the dissemination of contemporary advances in chemical physics, edited by Nobel Prize-winner Ilya Prigogine.

Lecture Notes on Computational Structural Biology

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Publisher : World Scientific
ISBN 13 : 9812814787
Total Pages : 243 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis Lecture Notes on Computational Structural Biology by : Zhijun Wu

Download or read book Lecture Notes on Computational Structural Biology written by Zhijun Wu and published by World Scientific. This book was released on 2008 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. Introduction. 1.1. Protein structure. 1.2. Structure determination. 1.3. Dynamics simulation. 1.4. The myth of protein folding -- 2. X-ray crystallography computing. 2.1. The phase problem. 2.2. Least squares solutions. 2.3. Entropy maximization. 2.4. Indirect methods -- 3. NMR structure determination. 3.1. Nuclear magnetic resonance. 3.2. Distance geometry. 3.3. Distance-based modeling. 3.4. Structural analysis -- 4. Potential energy minimization. 4.1. Potential energy function. 4.2. Local optimization. 4.3. Global optimization. 4.4. Energy transformation -- 5. Molecular dynamics simulation. 5.1. Equations of motion. 5.2. Initial-value problem. 5.3. Boundary-value problem. 5.4. Normal mode analysis -- 6. Knowledge-based protein modeling. 6.1. Sequence/structural alignment. 6.2. Fold recognition/inverse folding. 6.3. Knowledge-based structural refinement. 6.4. Structural computing and beyond

Energetics of Protein Interactions in the Membrane Via Computer Simulations

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (17 download)

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Book Synopsis Energetics of Protein Interactions in the Membrane Via Computer Simulations by : Jan Domanski

Download or read book Energetics of Protein Interactions in the Membrane Via Computer Simulations written by Jan Domanski and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proteomics and Protein-Protein Interactions

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Publisher : Springer Science & Business Media
ISBN 13 : 9780387245317
Total Pages : 348 pages
Book Rating : 4.2/5 (453 download)

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Book Synopsis Proteomics and Protein-Protein Interactions by : Gabriel Waksman

Download or read book Proteomics and Protein-Protein Interactions written by Gabriel Waksman and published by Springer Science & Business Media. This book was released on 2005-12-21 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapidly evolving field of protein science has now come to realize the ubiquity and importance of protein-protein interactions. It had been known for some time that proteins may interact with each other to form functional complexes, but it was thought to be the property of only a handful of key proteins. However, with the advent of high throughput proteomics to monitor protein-protein interactions at an organism level, we can now safely state that protein-protein interactions are the norm and not the exception. Thus, protein function must be understood in the larger context of the various binding complexes that each protein may form with interacting partners at a given time in the life cycle of a cell. Proteins are now seen as forming sophisticated interaction networks subject to remarkable regulation. The study of these interaction networks and regulatory mechanism, which I would like to term "systems proteomics," is one of the thriving fields of proteomics. The bird-eye view that systems proteomics offers should not however mask the fact that proteins are each characterized by a unique set of physical and chemical properties. In other words, no protein looks and behaves like another. This complicates enormously the design of high-throughput proteomics methods. Unlike genes, which, by and large, display similar physico-chemical behaviors and thus can be easily used in a high throughput mode, proteins are not easily amenable to the same treatment. It is thus important to remind researchers active in the proteomics field the fundamental basis of protein chemistry. This book attempts to bridge the two extreme ends of protein science: on one end, systems proteomics, which describes, at a system level, the intricate connection network that proteins form in a cell, and on the other end, protein chemistry and biophysics, which describe the molecular properties of individual proteins and the structural and thermodynamic basis of their interactions within the network. Bridging the two ends of the spectrum is bioinformatics and computational chemistry. Large data sets created by systems proteomics need to be mined for meaningful information, methods need to be designed and implemented to improve experimental designs, extract signal over noise, and reject artifacts, and predictive methods need to be worked out and put to the test. Computational chemistry faces similar challenges. The prediction of binding thermodynamics of protein-protein interaction is still in its infancy. Proteins are large objects, and simplifying assumptions and shortcuts still need to be applied to make simulations manageable, and this despite exponential progress in computer technology. Finally, the study of proteins impacts directly on human health. It is an obvious statement to say that, for decades, enzymes, receptors, and key regulator proteins have been targeted for drug discovery. However, a recent and exciting development is the exploitation of our knowledge of protein-protein interaction for the design of new pharmaceuticals. This presents particular challenges because protein-protein interfaces are generally shallow and interactions are weak. However, progress is clearly being made and the book seeks to provide examples of successes in this area.