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Interactions Between Small Molecule Ligands And Target Enzymes
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Book Synopsis Interactions Between Small Molecule Ligands and Target Enzymes by : Sung-Kun (Sean) Kim
Download or read book Interactions Between Small Molecule Ligands and Target Enzymes written by Sung-Kun (Sean) Kim and published by Frontiers Media SA. This book was released on 2021-04-13 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protein-Ligand Interactions by : Hans-Joachim Böhm
Download or read book Protein-Ligand Interactions written by Hans-Joachim Böhm and published by John Wiley & Sons. This book was released on 2006-03-06 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lock-and-key principle formulated by Emil Fischer as early as the end of the 19th century has still not lost any of its significance for the life sciences. The basic aspects of ligand-protein interaction may be summarized under the term 'molecular recognition' and concern the specificity as well as stability of ligand binding. Molecular recognition is thus a central topic in the development of active substances, since stability and specificity determine whether a substance can be used as a drug. Nowadays, computer-aided prediction and intelligent molecular design make a large contribution to the constant search for, e. g., improved enzyme inhibitors, and new concepts such as that of pharmacophores are being developed. An up-to-date presentation of an eternally young topic, this book is an indispensable information source for chemists, biochemists and pharmacologists dealing with the binding of ligands to proteins.
Book Synopsis Nanoscopy and Multidimensional Optical Fluorescence Microscopy by : Alberto Diaspro
Download or read book Nanoscopy and Multidimensional Optical Fluorescence Microscopy written by Alberto Diaspro and published by CRC Press. This book was released on 2010-04-26 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Alberto Diaspro has been choreographing light's dance for over 20 years, and in Nanoscopy and Multidimensional Optical Fluorescence Microscopy, he has assembled a diverse group of experts to explain the methods they use to coax light to reveal biology's secrets."- From the Foreword by Daniel Evanko, editor, Nature Methods Nanoscopy and Multidimens
Book Synopsis Small Molecule — Protein Interactions by : Herbert Waldmann
Download or read book Small Molecule — Protein Interactions written by Herbert Waldmann and published by Springer Science & Business Media. This book was released on 2003-03-07 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the international workshop on 'Small Molecule - Protein Interactions' held in Berlin, April 24-26, 2002, researchers from industry and academic laboratories describe novel and efficient ways selecting promising new drug targets and developing small molecule inhibitors against them. The structure of the book corresponds to the different aspects of the drug discovery process. All chapters are written by leading experts in the field, who present and discuss the most recent state-of-the-art tools and techniques for the development of novel drugs. The value of the book lies in surveying and summarizing the approaches taken by different companies and institutions giving the reader a balanced view on the use of the latest techniques on the one hand and experience-based assistance in selecting appropriate tools for their own work on the other hand.
Book Synopsis Protein-ligand Interactions of Druggable Protein Targets by : Samson Aeloa Souza
Download or read book Protein-ligand Interactions of Druggable Protein Targets written by Samson Aeloa Souza and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A druggable protein target is one in which an exogenous ligand will induce the desired response. In this work, small molecule interactions of three druggable protein targets will be detailed. The first of these is a bacterial enzyme involved in the synthesis of cofactor biotin, which is an essential cofactor exploited across all life domains. It is necessary for fatty acid biosynthesis, gluconeogenesis, and amino acid metabolism. Mammals lack the biosynthetic machinery to produce it and must acquire it in the diet. Meanwhile, bacteria such as E. coli, and M. tuberculosis can synthesize it endogenously. As such, enzymes involved in biotin synthesis are attractive targets in antimicrobial development. Diaminopelargonic acid synthase (BioA) catalyzes the second step in the conserved pathway from starting compounds pimeloyl-CoA and L-alanine. Unlike other bacteria, Bacillus subtilis requires L-lysine as a substrate for transamination of 7-keto-8-aminopelargonic acid (KAPA) to its diamino-product, 7,8-diaminopelargonic acid (DAPA), by BioA. I present kinetic work that suggests a donation of lysine [epsilon]-amino group to KAPA. I follow this with the crystal structure of PLP-conjugated lysine as an external aldimine (LLP). The adduct is stabilized by electrostatic interactions between the carboxylate and R410, and pi-cation interactions between the former lys [alpha]-amine and two aromatic side chains in the pocket. In the latter segment of this work, I survey ligand interactions of two membrane proteins directly involved in estrogen signaling. The first of these two proteins, G-protein coupled estrogen receptor (GPER), is localized in the endoplasmic reticulum. This research, which was the first to demonstrate in vitro ligand binding with recombinant protein, focuses on steps to produce functional GPER for structural and binding assays. GPER is a potential non-nuclear strategy for breast cancer therapy since 10 - 20 % of diagnoses are estrogen receptor negative. The second estrogen-related protein I will explore is the cytochrome P450 enzyme aromatase (Cyp19). It catalyzes the last biosynthetic step in the production of endogenous estrogens in mammals. To this end, it is a current target in the treatment of hormone-related illnesses and diseases such as endometriosis, ovarian cancer, and breast cancer. Current aromatase inhibitors (AIs), for instance, tamoxifen, are potent, yet they often lead to debilitating side effects. Eventual relapse creates a need for novel breast cancer therapeutics that improve patient outcome. Virtual screening of a library of millions of compounds is often employed to initially uncover drug candidates. I provide activity data of these top hit candidates against a putative Cyp19 allosteric site. Two lead compounds, AR11 and AR13, exhibit potent, anti-aromatase activity comparable to active tamoxifen metabolite, endoxifen. Inhibitory mechanisms of these compounds and the journey to find a promising construct for cocrystallization will be explored. This insight will aid in the search to unearth a novel class of allosteric aromatase inhibitors with diverse toxicity profiles.
Book Synopsis Fragment-based Approaches in Drug Discovery by : Wolfgang Jahnke
Download or read book Fragment-based Approaches in Drug Discovery written by Wolfgang Jahnke and published by John Wiley & Sons. This book was released on 2006-12-13 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first systematic summary of the impact of fragment-based approaches on the drug development process provides essential information that was previously unavailable. Adopting a practice-oriented approach, this represents a book by professionals for professionals, tailor-made for drug developers in the pharma and biotech sector who need to keep up-to-date on the latest technologies and strategies in pharmaceutical ligand design. The book is clearly divided into three sections on ligand design, spectroscopic techniques, and screening and drug discovery, backed by numerous case studies.
Download or read book Molecular Biology of the Cell written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protein-Ligand Interactions and Drug Design by : Flavio Ballante
Download or read book Protein-Ligand Interactions and Drug Design written by Flavio Ballante and published by Humana. This book was released on 2021-03-24 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed book collects modern and established computer-based methods aimed at addressing the drug discovery challenge from disparate perspectives by exploiting information on ligand-protein recognition. Beginning with methods that allow for the exploration of specific areas of chemical space and the designing of virtual libraries, the volume continues with sections on methods based on docking, quantitative models, and molecular dynamics simulations, which are employed for ligand discovery or development, as well as methods exploiting an ensemble of protein structures for the identification of potential protein targets. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Protein-Ligand Interactions and Drug Design provides detailed practical procedures of solid computer-aided drug design methodologies employed to rationalize and optimize protein-ligand interactions, for experienced researchers and novices alike.
Book Synopsis Small Molecule Drug Discovery by : Andrea Trabocchi
Download or read book Small Molecule Drug Discovery written by Andrea Trabocchi and published by Elsevier. This book was released on 2019-11-23 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small Molecule Drug Discovery: Methods, Molecules and Applications presents the methods used to identify bioactive small molecules, synthetic strategies and techniques to produce novel chemical entities and small molecule libraries, chemoinformatics to characterize and enumerate chemical libraries, and screening methods, including biophysical techniques, virtual screening and phenotypic screening. The second part of the book gives an overview of privileged cyclic small molecules and major classes of natural product-derived small molecules, including carbohydrate-derived compounds, peptides and peptidomimetics, and alkaloid-inspired compounds. The last section comprises an exciting collection of selected case studies on drug discovery enabled by small molecules in the fields of cancer research, CNS diseases and infectious diseases. The discovery of novel molecular entities capable of specific interactions represents a significant challenge in early drug discovery. Small molecules are low molecular weight organic compounds that include natural products and metabolites, as well as drugs and other xenobiotics. When the biological target is well defined and understood, the rational design of small molecule ligands is possible. Alternatively, small molecule libraries are being used for unbiased assays for complex diseases where a target is unknown or multiple factors contribute to a disease pathology. - Outlines modern concepts and synthetic strategies underlying the building of small molecules and their chemical libraries useful for drug discovery - Provides modern biophysical methods to screening small molecule libraries, including high-throughput screening, small molecule microarrays, phenotypic screening and chemical genetics - Presents the most advanced chemoinformatics tools to characterize the structural features of small molecule libraries in terms of chemical diversity and complexity, also including the application of virtual screening approaches - Gives an overview of structural features and classification of natural product-derived small molecules, including carbohydrate derivatives, peptides and peptidomimetics, and alkaloid-inspired small molecules
Book Synopsis Ligand-Macromolecular Interactions in Drug Discovery by : Ana Cecília A. Roque
Download or read book Ligand-Macromolecular Interactions in Drug Discovery written by Ana Cecília A. Roque and published by Methods in Molecular Biology. This book was released on 2010-03-23 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this authoritative book, experts in the field highlight the main principles and methodologies currently utilized in the study of molecular interactions between compounds. This is as an ideal guide to those striving to further our knowledge of medicines.
Book Synopsis Protein Surface Recognition by : Ernest Giralt
Download or read book Protein Surface Recognition written by Ernest Giralt and published by John Wiley & Sons. This book was released on 2011-07-07 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new perspective on the design of molecular therapeutics is emerging. This new strategy emphasizes the rational complementation of functionality along extended patches of a protein surface with the aim of inhibiting protein/protein interactions. The successful development of compounds able to inhibit these interactions offers a unique chance to selectively intervene in a large number of key cellular processes related to human disease. Protein Surface Recognition presents a detailed treatment of this strategy, with topics including: an extended survey of protein-protein interactions that are key players in human disease and biology and the potential for therapeutics derived from this new perspective the fundamental physical issues that surround protein-protein interactions that must be considered when designing ligands for protein surfaces examples of protein surface-small molecule interactions, including treatments of protein-natural product interactions, protein-interface peptides, and rational approaches to protein surface recognition from model to biological systems a survey of techniques that will be integral to the discovery of new small molecule protein surface binders, from high throughput synthesis and screening techniques to in silico and in vitro methods for the discovery of novel protein ligands. Protein Surface Recognition provides an intellectual “tool-kit” for investigators in medicinal and bioorganic chemistry looking to exploit this emerging paradigm in drug discovery.
Book Synopsis Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment by : Kunal Roy
Download or read book Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment written by Kunal Roy and published by Academic Press. This book was released on 2015-03-03 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk Assessment describes the historical evolution of quantitative structure-activity relationship (QSAR) approaches and their fundamental principles. This book includes clear, introductory coverage of the statistical methods applied in QSAR and new QSAR techniques, such as HQSAR and G-QSAR. Containing real-world examples that illustrate important methodologies, this book identifies QSAR as a valuable tool for many different applications, including drug discovery, predictive toxicology and risk assessment. Written in a straightforward and engaging manner, this is the ideal resource for all those looking for general and practical knowledge of QSAR methods. - Includes numerous practical examples related to QSAR methods and applications - Follows the Organization for Economic Co-operation and Development principles for QSAR model development - Discusses related techniques such as structure-based design and the combination of structure- and ligand-based design tools
Book Synopsis Structural Biology in Drug Discovery by : Jean-Paul Renaud
Download or read book Structural Biology in Drug Discovery written by Jean-Paul Renaud and published by John Wiley & Sons. This book was released on 2020-01-09 with total page 1367 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the most comprehensive and up-to-date overview of structure-based drug discovery covering both experimental and computational approaches, Structural Biology in Drug Discovery: Methods, Techniques, and Practices describes principles, methods, applications, and emerging paradigms of structural biology as a tool for more efficient drug development. Coverage includes successful examples, academic and industry insights, novel concepts, and advances in a rapidly evolving field. The combined chapters, by authors writing from the frontlines of structural biology and drug discovery, give readers a valuable reference and resource that: Presents the benefits, limitations, and potentiality of major techniques in the field such as X-ray crystallography, NMR, neutron crystallography, cryo-EM, mass spectrometry and other biophysical techniques, and computational structural biology Includes detailed chapters on druggability, allostery, complementary use of thermodynamic and kinetic information, and powerful approaches such as structural chemogenomics and fragment-based drug design Emphasizes the need for the in-depth biophysical characterization of protein targets as well as of therapeutic proteins, and for a thorough quality assessment of experimental structures Illustrates advances in the field of established therapeutic targets like kinases, serine proteinases, GPCRs, and epigenetic proteins, and of more challenging ones like protein-protein interactions and intrinsically disordered proteins
Book Synopsis Inhibitors of Protein–Protein Interactions by : Ali Tavassoli
Download or read book Inhibitors of Protein–Protein Interactions written by Ali Tavassoli and published by Royal Society of Chemistry. This book was released on 2020-12-07 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protein-protein interactions (PPI) are at the heart of the majority of cellular processes, and are frequently dysregulated or usurped in disease. Given this central role, the inhibition of PPIs has been of significant interest as a means of treating a wide variety of diseases. However, there are inherent challenges in developing molecules capable of disrupting the relatively featureless and large interfacial areas involved. Despite this, there have been a number of successes in this field in recent years using both traditional drug discovery approaches and innovative, interdisciplinary strategies using novel chemical scaffolds. This book comprehensively covers the various aspects of PPI inhibition, encompassing small molecules, peptidomimetics, cyclic peptides, stapled peptides and macrocycles. Illustrated throughout with successful case studies, this book provides a holistic, cutting-edge view of the subject area and is ideal for chemical biologists and medicinal chemists interested in developing PPI inhibitors.
Book Synopsis Regulation of G Protein Coupled Receptor Function and Expression by : Jeffrey L. Benovic
Download or read book Regulation of G Protein Coupled Receptor Function and Expression written by Jeffrey L. Benovic and published by Wiley-Liss. This book was released on 1999-11-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in molecular and cell biology enabling the cloning, expression, and mutagenesis of signal transduction proteins has prompted an explosion of knowledge in the field of receptor regulation, facilitating the discovery of new classes of regulatory proteins, and providing a basis and means for manipulating receptor function through multiple intracellular targets. This volume covers methods used to examine how the function(s) of receptors are regulated. Understanding how to regulate the function and expression of these receptors is critical in determining how to modify receptors and to translocating receptors away from the cell surface and its recycling. Individual chapters focus on specific techniques used to characterize receptors (epitope tagging, measurement and analysis of receptor phosphorylation, analysis of the kinetics of receptor desensitization, and assessment of receptor/G protein coupling); the role of regulatory proteins (receptor kinases and phosphatases, arrestins) in modulating receptor function; and the methods used to measure receptor trafficking (ligand binding, immunofluoresence) and expression (transcriptional and translational regulation). * Covers a broad range of important concepts and methodologies which are current in the study of G protein-coupled receptors (GPCRs) * G-protein coupled receptors make up over 40% of the current pharmacological targets * Provides detailed protocols for executing various strategies and offers informed judgments as to what approaches are and aren't useful * Volume Editor, Jeffrey Benovic, is a dominant world leader in the study of receptor regulation of GPCR kinases and is highly respected in the field
Book Synopsis Computational Modeling of Protein-small-molecule Interactions by : Kristina Elisabet Furse
Download or read book Computational Modeling of Protein-small-molecule Interactions written by Kristina Elisabet Furse and published by . This book was released on 2005 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kernel Methods in Computational Biology by : Bernhard Schölkopf
Download or read book Kernel Methods in Computational Biology written by Bernhard Schölkopf and published by MIT Press. This book was released on 2004 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed overview of current research in kernel methods and their application to computational biology.
