作者: Patrick H. Brown , Andrea Balbo , Peter Schuck
DOI: 10.1002/0471142735.IM1815S81
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摘要: This unit introduces the basic principles and practice of sedimentation velocity analytical ultracentrifugation for study reversible protein interactions, such as characterization self-association, heterogeneous association, multi-protein complexes, binding stoichiometry, determination association constants. The tools described include coefficient molar mass distributions, multi-signal Gilbert-Jenkins theory, different forms isotherms, global Lamm equation modeling. Concepts experimental design are discussed, a detailed step-by-step protocol guiding reader through experiment data analysis is available an Internet resource. Curr. Protoc. Immunol. 81:18.15.1-18.15.39. © 2008 by John Wiley & Sons, Inc. Keywords: sedimentation equilibrium; sedimentation velocity; chemical equilibria; reversible interactions; multi-protein complex; analytical ultracentrifugation; size-distribution; Gilbert-Jenkins theory; Lamm equation; Bayesian