Title Protein Crystallography : a Concise Guide

Published Baltimore : Johns Hopkins University Press, 2008

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Description 1 online resource (152 pages) Contents Contents -- Preface -- Chapter 1. Introduction -- 1.1 What Is X-ray Crystallography? -- 1.2 A Quick Look at Protein Crystals -- 1.3 Noncrystalline Specimens -- 1.4 Summary -- Further Reading -- Chapter 2. A Physical Understanding of Diffraction -- 2.1 What Is Diffraction? -- 2.2 Diffraction from One-Dimensional Crystals -- 2.3 Reconstructing Images from Diffraction Patterns -- 2.4 Summary -- Further Reading -- Chapter 3. Diffraction from Three-Dimensional Crystals -- 3.1 The Electron Density Function in Three Dimensions 3.2 Calculating the Diffraction Pattern from a Known Structure3.3 Summary -- Further Reading -- Chapter 4. Phase Determination by Isomorphous Replacement -- 4.1 Measuring the Phases -- 4.2 MAD Phasing -- 4.3 Fitting Models to Experimental Electron Density Maps -- 4.4 Summary -- Further Reading -- Chapter 5. The Patterson Function -- 5.1 Definition of the Patterson Function -- 5.2 Using the Patterson Function to Locate Atoms -- 5.3 Summary -- Further Reading -- Chapter 6. Phasing with Partially Known Structures -- 6.1 Difference Fourier Maps 6.2 Molecular Replacement6.3 Summary -- Further Reading -- Chapter 7. Crystallographic Refinement -- 7.1 Refinement Improves the Model -- 7.2 Least-Squares Refinement -- 7.3 Summary -- Further Reading -- Glossary -- A -- B -- C -- D -- E -- F -- H -- I -- L -- M -- N -- O -- P -- R -- S -- T -- U -- V -- W -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Z Summary Annotation The proteome remains a mysterious realm. Researchers have determined the structures of only a small fraction of the proteins encoded by the human genome. Crystallography continues to be the primary method used to determine the structures of the remaining unknown proteins. This imaging technique uses the diffraction of X-rays to determine a protein's three-dimensional molecular structure. Drawing on years of research and teaching experience, Eaton E. Lattman and Patrick J. Loll use clear examples and abundant illustrations to provide a concise and accessible primer on protein crystallography. Discussing the basics of diffraction, the behavior of two- and three-dimensional crystals, phase determination (including MIR and MAD phasing and molecular replacement), the Patterson function, and refinement, Lattman and Loll provide a complete overview of this important technique, illuminated by physical insights. The crisp writing style and simple illustrations will provide beginner crystallographers with a guide to the process of unraveling protein structure Bibliography Includes bibliographical references and index Notes Print version record Subject Proteins -- Structure X-ray crystallography. Proteins -- Conformation. Proteins -- chemistry Crystallography, X-Ray -- methods Protein Conformation Proteomics -- methods Crystallography, X-Ray MEDICAL -- Biochemistry. Proteins -- Conformation Proteins -- Structure X-ray crystallography Eiwitten. Kristallografie. Proteínas (estrutura) Cristalografia de raios x. Form Electronic book Author Loll, Patrick J LC no. 2007036099 ISBN 9780801888083 0801888085 9780801896842 0801896843 0801888069 9780801888069

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