A cofactor is a component part of many enzymes and functions by uniting with another molecule in order to become active.
The use of cofactors to supplement the native amino acids of a protein is essential to maintain the chemical capabilities necessary for organisms to survive. This volume focuses on the significant advances of the past decade in identifying and describing new cofactors--either small molecules or those derived posttranslationally.

"Directed Evolution Library Creation: Methods and Protocols, Second Edition "presents user-friendly protocols for both proven strategies and cutting-edge approaches for the creation of mutant gene libraries for directed evolution. As well as experimental methods, information on current computational approaches is provided in a user-friendly format that will allow researchers to make informed choices without needing to comprehend the full technical details of each algorithm. Directed evolution has become a fundamental approach for engineering proteins to enhance activity and explore structure-function relationships, and has supported the rapid development of the field of synthetic biology over the last decade. Divided into three convenient sections, topics include point mutagenesis strategies, recombinatorial methods wherein genetic diversity is sourced from multiple parental genes that are combined via either homology-dependent or -independent techniques and a variety of computational methods to guide the design and analysis of mutant libraries. Written in the 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 protocols and notes on troubleshooting and avoiding known pitfalls.

Authoritative and easily accessible, "Directed Evolution Library Creation: Methods and Protocols, Second Edition "will serve as a reliable manual for both novice and experienced protein engineers and synthetic biologists and will enable further technical innovation and the exploitation of directed evolution for a deeper understanding of protein design and function.

The subject of this volume is a comprehensive examination of the biochemistry and biology of all classes of known PAS proteins, with the intention that readers will find insight into their own work and ideas from study of the multitude of PAS protein functions. PAS proteins control numerous physiological and developmental events, and span phylogeny from bacteria to man. Bacterial and plant PAS proteins act as sensors of environmental stimuli, including light, oxygen, and energy status.

Not surprising, given these roles, there is intense investigation of the roles of bHLH-PAS proteins in issues of human health including: (1) cancer induction, (2) cancer growth and vascularity, (3) birth defects, including Down syndrome, (4) appetite control and obesity, (5) sleep rhythm disorders, and (6) mental health disorders such as social interactions and learning.

PAS proteins encompass many fields of biology, and scientists who work in these fields (circadian rhythms, oxygen regulation, toxin metabolism, bacterial sensors, and development) are an audience, particularly those who actively work on PAS proteins and researchers interested in transcriptional control, signal transduction, and evolution.

Regulated turnover of extracellular matrix (ECM) is an important component of tissue homeostasis. In recent years, the enzymes that participate in, and control ECM turnover have been the focus of research that touches on development, tissue remodeling, inflammation and disease. This volume in the Biology of Extracellular Matrix series provides a review of the known classes of proteases that degrade ECM both outside and inside the cell. The specific EMC proteases that are discussed include cathepsins, bacterial collagenases, matrix metalloproteinases, meprins, serine proteases, and elastases. The volume also discusses the domains responsible for specific biochemical characteristics of the proteases and the physical interactions that occur when the protease interacts with substrate. The topics covered in this volume provide an important context for understanding the role that matrix-degrading proteases play in normal tissue remodeling and in diseases such as cancer and lung disease. The series Biology of Extracellular Matrix is published in collaboration with the American Society for Matrix Biology.

Blurb for Volume 2
Hans Vogel and a panel of leading researchers review the protein chemistry and behavior of this significant class proteins, and provide a comprehensive collection of proven experimental techniques for studying it both in vitro and in vivo. This second volume focuses on cutting-edge experimental techniques for studying the solution structure, stability, dynamics, calcium-binding properties, and biological activity of calcium-binding protein in general. In addition to enzymatic assays and more routine spectroscopic and protein chemistry techniques, there are also NMR approaches, thermodynamic analyses, kinetic measurements such as surface plasmon resonance, strategies for amino acid sequence alignments, and fluorescence methods to study the distribution of calcium and calcium-binding proteins in cells. The first companion volume, Reviews and Case Histories sets the stage for this volume by introducing the various classes of intra- and extra-cellular calcium-binding proteins and their mode of action.
Single Blurb for Both Volumes
Hans Vogel and a panel of leading researchers review the protein chemistry and behavior of this significant protein class, and provide a comprehensive collection of proven experimental techniques for their study both in vitro and in vivo. The first volume discusses the role of calcium in intracellular secondary messenger activation mechanisms, including unique aspects of calcium chemistry and its utilization in dairy proteins and blood clotting. Detailed case studies provide a wealth of valuable information about protein purification and characterization strategies, X-ray crystallography, and specific calcium-binding proteins andtheir modes of action. The second volume focuses on cutting-edge experimental techniques for studying the solution structure, stability, dynamics, calcium-binding properties, and biological activity of calcium-binding protein in general. In addition to enzymatic assays and more routine spectroscopic and protein chemistry techniques, there are also NMR approaches, thermodynamic analyses, kinetic measurements such as surface plasmon resonance, strategies for amino acid sequence alignments, and fluorescence methods to study the distribution of calcium and calcium-binding proteins in cells.

The development of proteomic analyses using advanced mass spectrometry techniques has revolutionized the way proteins are studied, namely, as individual molecules within a complex system. HIV-1 Proteomics: From Discovery to Clinical Application comprehensively covers protein analysis from the early classic experimental days to current state-of-the-art HIV-1 proteomics in a clear informative style that brings expert-level understanding to the novice. Discussion of important clinical applications and future directions for the field also make this an ideal read for the expert. After finishing this book, the reader will have a complete and functional understanding of protein analysis from traditional biochemistry to modern proteomics.

Since the first edition of Protein Nanotechnology Protocols Instruments and Applications the intersection of protein science and nanotechnology has become an exciting frontier in interdisciplinary sciences. The second edition of Protein Nanotechnology Protocols Instruments and Applications expands upon the previous editions with current, detailed chapters that provide examples of proteins which are now being harnessed for a wide range of applications, some more developed than others. This book also delves into engineering proteins and an overview of the sorts of tools that are now readily available to manipulate the structure and function of proteins, both rationally and using methods inspired by evolution. Written in the highly successful Methods in Molecular Biology (TM) series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Protein Nanotechnology Protocols Instruments and Applications, Second Edition seeks to provide an overview of this multi-faceted field and a useful guide to those who wish to contribute to it.

One ofthe major drivers in biological research is the establishment ofstructures and functions of the 50,000 or so proteins in our bodies. Each has a characteristic- dimensional structure, highly "ordered" yet "disordered"! This structure is essential for a protein's function and, significantly, it must be sustained in the competitive and complex environment of the living cell. It is now being recognised that when a cell loses control, proteins can se- assemble into more complex supermolecular structures such as the amyloid fibres and plaques associated with the pathogenesis of prion (CJD) or age-related (Alzheimer's) diseases. This is a pointer to the wider significance of the self-assembling properties of polypeptides. It has been long known that, in silk, polypeptides are assembled into- sheet structures which impart on the material its highly exploitable properties of flexibility combined with high tensile strength. But only now emerging is the recognition that peptides can Self-assemble into a wide variety of non-protein-like structures, including fibrils, fibres, tubules, sheets and monolayers. These are exciting observations and, more so, the potential for materials and medical exploitations is so wide ranging that over 80 scientists from Europe, USA, Japan and Israel. met 1-6 July 1999 in Crete, to discuss the wide-ranging implications of these novel developments. There was a spirit of excitement about the workshop indicative of an important new endeavor. The emerging perception is that of a new class of materials set to become commercially viable early in the 21st century.

This detailed volume addresses recent developments in phosphoproteomic techniques with a particular focus on the plant system. Over the recent decades, proteomic methods were refined to study the significance and dynamics of protein phosphorylation in various biological contexts. However, working with plant tissue imposes particular challenges to the biologist which are attributed to the rigid cell wall making protein extraction more difficult, the skewed protein abundance with Rubisco as a highly abundant protein and a large central vacuole leading to low protein yield and increased degradative enzyme activity. The methodologies in this book seek to move beyond these issues. Written for the Methods in Molecular Biology series, 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. Practical and authoritative, Plant Phosphoproteomics: Methods and Protocols serves as an ideal reference for researchers investigating this vital area of plant science.

Blurb for Volume 1
Hans Vogel and a panel of leading researchers review the protein chemistry and behavior of this significant protein class, and provide a comprehensive collection of proven experimental techniques for their study both in vitro and in vivo. This first volume discusses the role of calcium in intracellular secondary messenger activation mechanisms, including unique aspects of calcium chemistry and its utilization in diary proteins and blood clotting. Detailed case studies provide a wealth of valuable information about protein purification and characterization strategies, X-ray crystallography, and specific calcium-binding proteins and their modes of action. The second companion volume focuses on cutting-edge experimental methods for studying solution structure, stability, dynamics, calcium-binding properties, and biological activity of calcium-binding proteins in general.
Single Blurb for Both Volumes:
Hans Vogel and a panel of leading researchers review the protein chemistry and behavior of this significant protein class, and provide a comprehensive collection of proven experimental techniques for their study both in vitro and in vivo. The first volume discusses the role of calcium in intracellular secondary messenger activation mechanisms, including unique aspects of calcium chemistry and its utilization in dairy proteins and blood clotting. Detailed case studies provide a wealth of valuable information about protein purification and characterization strategies, X-ray crystallography, and specific calcium-binding proteins and their modes of action. The second volume focuses on cutting-edge experimental techniques for studying the solution structure, stability, dynamics, calcium-binding properties, and biological activity of calcium-binding protein in general. In addition to enzymatic assays and more routine spectroscopic and protein chemistry techniques, there are also NMR approaches, thermodynamic analyses, kinetic measurements such as surface plasmon resonance, strategies for amino acid sequence alignments, and fluorescence methods to study the distribution of calcium and calcium-binding proteins in cells.

Protein Folding Kinetics - Biophysical Methods (2nd Edition) gives a deep insight into the principles and concepts of the kinetic and structural resolution of fast chemical and biophysical reactions of proteins with emphasis on protein-folding reactions. The study of fast protein-folding reactions and the understanding of the folding paradox have significantly advanced due to the recent development of new biophysical methods which allow not only kinetic resolution in the sub-millisecond time scale but also structural resolution with unprecedented precision. Pathways and structures of early and late folding events and the transition state structures of fast- and ultrafast-folding proteins can now be studied in far more detail. Important techniques include biophysical, chemical, molecular biological and mathematical methods, in particular protein engineering, Phi-value analysis, time-resolved circular dichroism, optical triggers and pulsed infrared LASER methods, pressure and temperature jump, ultrafast mixing, stopped flow and quenched flow, dielectric relaxation and electric-field-jump, acoustic relaxation, fluorescence- and isotope-labeling, H/D exchange methods, NMR line broadening and stopped-flow NMR, transition state theory, solutions of rate equations, and evolutionary computer programming. Protein Folding Kinetics - Biophysical Methods is written for students and researchers in biochemistry, biophysics, and related fields.

Special features in the second edition:

-Includes detailed information and 12 color figures on the high resolution of folding transition states.

-Discusses structural determinants of the rate of protein folding on a timescale from microseconds to seconds.

-Provides information on self-evolving computer programs for protein-folding simulations and protein-structure predictions.

This thesis offers readers a comprehensive introduction to amyloid proteins and the computational methods used with them. Katrine Skeby critically assesses and compares both the literature and the experiments performed by other researchers, which further elevates the quality and relevance of her own work. Amyloid proteins are highly complex, and this research provides unparalleled insights, especially with regard to the origin of cytotoxicity and to developing technologies for early detection, revealing in detail the molecular mechanisms behind hIAPP behavior. Several studies within the thesis answer difficult questions which promote future research into the properties of amyloid proteins.

Protein conversion from a water-soluble native conformation to the insoluble aggregates and fibrils, which can deposit in amyloid plaques, underlies more than 20 human diseases, representing a major public health problem and a scientific challenge. Such a conversion is called protein misfolding. Protein misfolding can also involve errors in the topology of the folded proteins and their assembly in lipid membranes. Lipids are found in nearly all amyloid deposits in vivo, and can critically influence protein misfolding in vitro and in vivo in many different ways. This book focuses on recent advances in our understanding of the role of lipids in modulating the misfolding of various proteins. The main emphasis is on the basic biophysical studies that address molecular basis of protein misfolding and amyloid formation, and the role of lipids in this complex process.

Heat Shock Proteins and Plants provides the most up-to-date and concise reviews and progress on the role of heat shock proteins in plant biology, structure and function and is subdivided into chapters focused on Small Plant HSPs (Part I), Larger Plant HSPs (Part II) and HSPs for Therapeutic Gain (Part III). This book is written by eminent leaders and experts from around the world and is an important reference book and a must-read for undergraduate, postgraduate students and researchers in the fields of Agriculture, Botany, Crop Research, Plant Genetics and Biochemistry, Biotechnology, Drug Development and Pharmaceutical Sciences.

Protein engineering is a fascinating mixture of molecular biology, protein structure analysis, computation, and biochemistry, with the goal of developing useful or valuable proteins. Protein Engineering Protocols will consider the two general, but not mutually exclusive, strategies for protein engineering. The first is known as rational design, in which the scientist uses detailed knowledge of the structure and function of the protein to make desired changes. The s- ond strategy is known as directed evolution. In this case, random mutagenesis is applied to a protein, and selection or screening is used to pick out variants that have the desired qualities. By several rounds of mutation and selection, this method mimics natural evolution. An additional technique known as DNA shuffling mixes and matches pieces of successful variants to produce better results. This process mimics recombination that occurs naturally during sexual reproduction. The first section of Protein Engineering Protocols describes rational p- tein design strategies, including computational methods, the use of non-natural amino acids to expand the biological alphabet, as well as impressive examples for the generation of proteins with novel characteristics. Although procedures for the introduction of mutations have become routine, predicting and und- standing the effects of these mutations can be very challenging and requires profound knowledge of the system as well as protein structures in general.

Molecular chaperones are involved in a wide variety of essential cellular processes in living cells. A subset of molecular chaperones have been initially described as heat shock proteins protecting cells from stress damage by keeping cellular proteins in a folding competent state and preventing them from irreversible aggregation. Later it became obvious that molecular chaperones are also expressed constitutively in the cell and are involved in complex processes such as protein synthesis, intracellular protein transport, post-translational modification and secretion of proteins as well as receptor signalling. Hence, it is not surprising that molecular chaperones are implicated in the pathogenesis of many relevant diseases and could be regarded as potential pharmacological targets. Starting with the analysis of the mode of action of chaperones at the molecular, cellular and organismic level, this book will then describe specific aspects where modulation of chaperone action could be of pharmacological and therapeutic interest.

Protein kinase CK2 (formerly casein kinase II or 2) is known to play a critical role in the control of cell growth and cell death and is thus intimately involved in the development of cancer. More specifically, CK2 has been found to be elevated in all cancers examined. While CK2 levels are known to be high in proliferating normal cells, CK2 has also been found to be a potent suppressor of apoptosis and is a link to the cancer cell phenotype, which is characterized by deregulation of both cell proliferation and cell death. Indeed, it would appear that CK2 impacts many of the hallmarks of cancer and it has now gained considerable attention as a potential target for cancer therapy. Protein Kinase CK2 and Cellular Function in Normal and Disease States increases knowledge of the role of CK2 in the development of cellular dysfunction and emphasizes that this protein may serve as a target of drug development for improved cancer therapy. In addition, it is a handy tool that provides cancer researchers, graduate students, and all scientists involved in CK2 research with one main source for the latest advances in CK2 research.

Membrane proteins, representing nearly 40% of all proteins, are key components of cells involved in many cellular processes, yet only a small number of their structures have been determined. Membrane Protein Structure Determination: Methods and Protocols presents many detailed techniques for membrane protein structure determination used today by bringing together contributions from top experts in the field. Divided into five convenient sections, the book covers various strategies to purify membrane proteins, approaches to get three dimensional crystals and solve the structure by x-ray diffraction, possibilities to gain structural information for a membrane protein using electron microscopy observations, recent advances in nuclear magnetic resonance (NMR), and molecular modelling strategies that can be used either to get membrane protein structures or to move from atomic structure to a dynamic understanding of a molecular functioning mechanism. Written in the highly successful Methods in Molecular Biology (TM) 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. Comprehensive and easy to use, Membrane Protein Structure Determination: Methods and Protocols serves as an ideal reference for scientists seeking to further our knowledge of these vital and versatile proteins as well as our overall understanding of the complicated world of cell biology.

In an ever-increasing domain of activity Amino Acids Peptides and Proteins provides an annual compilation of the world's research effort into this important area of biological chemistry. Volume 30 provides a review of literature published during 1997. Comprising a comprehensive review of significant developments at this biology/chemistry interface each volume opens with an overview of amino acids and their applications. Work on peptides is reviewed over several chapters ranging from current trends in their synthesis and conformational and structural analysis to peptidomimetics and the discovery of peptide-related molecules in nature. The application of advanced techniques in structural elucidation is incorporated into all chapters whilst periodic chapters on metal complexes of amino acids, peptides and beta-lactams extend the scope of coverage. Efficient searching of specialist topics is facilitated by the sub-division of chapters into discrete subject areas allowing annual trends to be monitored. All researchers in the pharmaceutical and allied industries and at the biology/chemistry interface in academia will find this an indispensable reference source.

After a little more than 20 years since the original discovery of neuropeptide Y (NPY) by Tatemoto and colleagues, the field of NPY research has made remarkable progress and is coming of age.The present volume addresses all major topics in connection with NPY and related peptides by established leaders in their respective areas. Experienced NPY-aficionados will certainly find new and useful additional information in this volume and newcomers to the field will hopefully discover how much exciting research this still has to offer.

Protein-protein interactions (PPIs) are strongly predictive of functional relationships among proteins in virtually all processes that take place in the living cell. Therefore, the comprehensive exploration of interactome networks is one of the major goals in systems biology. The aim of Two Hybrid Technologies: Methods and Protocols is to provide a compendium of state-of-the art protocols for the investigation of binary PPIs with the classical yeast two-hybrid (Y2H) approach, Y2H variants and other in vivo methods for PPI mapping. Divided into two convenient sections, the first gives a survey of protocols that are currently employed for Y2H high-throughput screens by different expert labs in the field. Rather than detailing the principles of screening, which have been described previously, the focus is on different implementations of Y2H interactome mapping. The second section of the book considers innovative PPI detection methods that have the potential to emerge as alternative high-throughput methodologies. Written in the highly successful Methods in Molecular Biology (TM) series format, chapters contain introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and notes on troubleshooting and avoiding known pitfalls. Authoritative and accessible, Two Hybrid Technologies: Methods and Protocols supplies researchers with a comprehensive toolbox for the identification of biologically relevant protein interactions.

When I received an invitation from Ron Landes (Landes Bioscience) to edit a book on CtBP family proteins, I was gratified to realize that the importance of these proteins has reached the level of deserving a 'separate' book. As the reader can see, there has been significant advancement in our understanding of the fijnctions of these proteins in the past ten years since CtBPl was cloned in our laboratory. Genetic and biochemical studies with Drosophila provided the critical evidence to show that dCtBP is a transcriptional CO repressor. Genetic studies with mutant mice have established that these proteins are essential for animal development. The CtBP family proteins are unique in several aspects. They were the first among proteins containing a metabolic enzyme fold to be implicated in transcriptional regulation. The vertebrate CtBPs exhibit distinct nuclear and cytosolic activities. The crystal struaures of CtBPl and molecular modeling studies have illuminated the mo- lecular basis of its dual activity and the interaction with target peptides. The organization of the vertebrate CtBP2 gene has provided a novel example of genomic consolidation indicating how a single gene could code for two di- verse proteins. I believe that this book will be a valuable reference source for new researchers to understand more about the CtBP family proteins and their role in growth, development and oncogenesis.

In this book leading researchers in the field discuss the state-of-the-art of many aspects of SAPK signaling in various systems from yeast to mammals. These include various chapters on regulatory mechanisms as well as the contribution of the SAPK signaling pathways to processes such as gene expression, metabolism, cell cycle regulation, immune responses and tumorigenesis. Written by international experts, the book will appeal to cell biologists and biochemists.

In an ever-increasing domain of activity Amino Acids Peptides and Proteins provides an annual compilation of the world's research effort into this important area of biological chemistry. Volume 29 provides a review of literature published during 1996. Comprising a comprehensive review of significant developments at this biology/chemistry interface each volume opens with an overview of amino acids and their applications. Work on peptides is reviewed over several chapters ranging from current trends in their synthesis and conformational and structural analysis to peptidomimetics and the discovery of peptide-related molecules in nature. The application of advanced techniques in structural elucidation is incorporated into all chapters whilst periodic chapters on metal complexes of amino acids, peptides and beta-lactams extend the scope of coverage. Efficient searching of specialist topics is facilitated by the sub-division of chapters into discrete subject areas allowing annual trends to be monitored. All researchers in the pharmaceutical and allied industries and at the biology/chemistry interface in academia will find this an indispensable reference source.

With the end of the Human Genome Project in sight, the next important step is to determine the function of genes. Proteome Research is an important approach to this study and is the first book to comprehensively cover the application of two-dimensional electrophoresis, the central methodology in proteome research. The state-of-the-art is described in detail and the available detection methods are extensively covered. Sufficient detail is given to allow readers to apply these technologies to their own particular requirements.