High-Resolution NMR Determination of the Dynamic Structure of Membrane Proteins
نویسندگان
چکیده
منابع مشابه
High‐Resolution NMR Determination of the Dynamic Structure of Membrane Proteins
(15) N spin-relaxation rates are demonstrated to provide critical information about the long-range structure and internal motions of membrane proteins. Combined with an improved calculation method, the relaxation-rate-derived structure of the 283-residue human voltage-dependent anion channel revealed an anisotropically shaped barrel with a rigidly attached N-terminal helix. Our study thus estab...
متن کاملStructure determination of membrane proteins by NMR spectroscopy.
Current strategies for determining the structures of membrane proteins in lipid environments by NMR spectroscopy rely on the anisotropy of nuclear spin interactions, which are experimentally accessible through experiments performed on weakly and completely aligned samples. Importantly, the anisotropy of nuclear spin interactions results in a mapping of structure to the resonance frequencies and...
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High-resolution solid-state NMR spectra can be obtained from uniformly (15)N-labeled membrane proteins in magnetically aligned bicelles. Fast uniaxial diffusion about the axis of the bilayer normal results in single-line spectra that contain the orientational information necessary for protein structure determination.
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A number of methodological developments and applications of solid-state NMR for assignment and high resolution structure determination of microcrystalline proteins and amyloid fibrils are presented. Magic angle spinning spectroscopy on uniformly and selectively C and N labeled samples is performed at magnetic fields from 11.7 to 21.1 T and spinning frequencies from 9 to 65 kHz. Dynamic Nuclear ...
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ژورنال
عنوان ژورنال: Angewandte Chemie International Edition
سال: 2016
ISSN: 1433-7851
DOI: 10.1002/anie.201602639