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G proteins and G protein-coupled receptors are ubiquitously expressed proteins that regulate a wide range of physiological processes and are consequently the targets of many pharmaceuticals. In G Protein Signaling: Methods and Protocols, leading researchers describe in detail key methods for investigating G protein signaling from a variety of perspectives ranging from in vitro biochemistry to whole animal studies. The authors focus on the mechanisms of G protein and G protein-coupled receptor function and the roles of G protein subunits in cell biology and disease. Among the readily reproducible techniques presented are those for the purification of G proteins and effector enzymes, assays of these purified G proteins and effector enzymes, and for the study of G protein interactions with effectors in intact cells. Additional methods are provided for assaying G protein-coupled receptor structure, function, and localization, for studying the physiological roles for endogenous G proteins, and for examining lipid and phosphate modifications of RGS proteins. Each fully tested protocol includes a background introduction explaining the principle behind the technique, equipment and reagent lists, tips on troubleshooting and avoiding known pitfalls, and, where needed, a discussion of the interpretation and use of results. Comprehensive and highly practical, G Protein Signaling: Methods and Protocols offers novice and expert researchers alike an array of cutting-edge tools to illuminate the roles of G protein and G protein-coupled receptors, as well as a better understanding of their action with drugs, neurotransmitters, and sensory stimuli.

Cytology. --- Cell Biology. --- Cell biology --- Cellular biology --- Biology --- Cells --- Cytologists --- Cellular signal transduction --- G proteins --- 57.088 --- 577.112 --- 577.38 --- 577.38 Theoretical biophysics. Biophysics of control processes. Biophysics of communication --- Theoretical biophysics. Biophysics of control processes. Biophysics of communication --- 577.112 Proteins --- Proteins --- 57.088 Special methods and techniques for studing biological molecules. Separation. Centrifuging. X-ray study. Radioisotope methods --- Special methods and techniques for studing biological molecules. Separation. Centrifuging. X-ray study. Radioisotope methods --- GTP-binding proteins --- GTP regulatory proteins --- Guanine nucleotide-binding proteins --- Guanine nucleotide regulatory proteins --- Membrane proteins --- Cellular information transduction --- Information transduction, Cellular --- Signal transduction, Cellular --- Bioenergetics --- Cellular control mechanisms --- Information theory in biology