Solid-state NMR pulse sequences often feature fewer pulses and delays than the more common solution NMR experiments. This ostensible simplicity, however, belies the care with which experimental parameters must be determined, as solid-state NMR can be much less forgiving of improper experimental set-up. This is especially true of "semi-solid" samples, such as the phospholipid vesicles used to study membrane-associated peptides and proteins, which feature prominently in misfolding diseases. Protocols for the preparation of multilamellar vesicles for solid-state NMR studies of A? peptides are described, together with procedures for optimization of critical experimental parameters, such as spectral widths, delay times, and field strengths for (31)P, (2)H, and (13)C NMR spectroscopy.
Solid-state NMR analysis of interaction sites of curcumin and 42-residue amyloid ?-protein fibrils.
Solid-state NMR analysis of interaction sites of curcumin and 42-residue amyloid ?-protein fibrils.
Solid-state NMR analysis of interaction sites of curcumin and 42-residue amyloid ?-protein fibrils.
Bioorg Med Chem. 2011 Aug 27;
Authors: Masuda Y, Fukuchi M, Yatagawa T, Tada M, Takeda K, Irie K, Akagi KI, Monobe Y, Imazawa T, Takegoshi K
Abstract
Aggregation of 42-residue amyloid ?-protein (A?42) plays a pivotal role in the etiology of Alzheimer's disease (AD). Curcumin, the yellow pigment in the rhizome of turmeric, attracts...
Evidence from solid-state NMR for nonhelical conformations in the transmembrane domain of the amyloid precursor protein.
Evidence from solid-state NMR for nonhelical conformations in the transmembrane domain of the amyloid precursor protein.
Evidence from solid-state NMR for nonhelical conformations in the transmembrane domain of the amyloid precursor protein.
Biophys J. 2011 Feb 2;100(3):711-9
Authors: Lu JX, Yau WM, Tycko R
The amyloid precursor protein (APP) is subject to proteolytic processing by ?-secretase within neuronal membranes, leading to Alzheimer's disease-associated ?-amyloid peptide production by cleavage near the midpoint of the*single...
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02-02-2011 12:40 PM
Atomic-resolution three-dimensional structure of HET-s(218-289) amyloid fibrils by solid-state NMR spectroscopy.
Atomic-resolution three-dimensional structure of HET-s(218-289) amyloid fibrils by solid-state NMR spectroscopy.
Atomic-resolution three-dimensional structure of HET-s(218-289) amyloid fibrils by solid-state NMR spectroscopy.
J Am Chem Soc. 2010 Oct 6;132(39):13765-75
Authors: Van Melckebeke H, Wasmer C, Lange A, Ab E, Loquet A, Böckmann A, Meier BH
We present a strategy to solve the high-resolution structure of amyloid fibrils by solid-state NMR and use it to determine the atomic-resolution structure of the prion domain of the fungal prion HET-s...
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01-21-2011 12:00 PM
Solid-State NMR Studies of Amyloid Fibril Structure.
Solid-State NMR Studies of Amyloid Fibril Structure.
Solid-State NMR Studies of Amyloid Fibril Structure.
Annu Rev Phys Chem. 2010 Apr 2;
Authors: Tycko R
Current interest in amyloid fibrils stems from their involvement in neurodegenerative and other diseases and from their role as an alternative structural state for many peptides and proteins. Solid-state nuclear magnetic resonance (NMR) methods have the unique capability of providing detailed structural constraints for amyloid fibrils, sufficient for the development of full molecular models. In...
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01-12-2011 11:11 AM
[NMR paper] How to prepare membrane proteins for solid-state NMR: A case study on the alpha-helical integral membrane protein diacylglycerol kinase from E. coli.
How to prepare membrane proteins for solid-state NMR: A case study on the alpha-helical integral membrane protein diacylglycerol kinase from E. coli.
Related Articles How to prepare membrane proteins for solid-state NMR: A case study on the alpha-helical integral membrane protein diacylglycerol kinase from E. coli.
Chembiochem. 2005 Sep;6(9):1693-700
Authors: Lorch M, Faham S, Kaiser C, Weber I, Mason AJ, Bowie JU, Glaubitz C
Several studies have demonstrated that it is viable to use microcrystalline preparations of water-soluble proteins as...
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12-01-2010 06:56 PM
Probing water-accessibility in HET-s(218-289) amyloid fibrils by solid-state NMR.
Probing water-accessibility in HET-s(218-289) amyloid fibrils by solid-state NMR.
Probing water-accessibility in HET-s(218-289) amyloid fibrils by solid-state NMR.
J Mol Biol. 2010 Nov 18;
Authors: Van Melckebeke H, Schanda P, Gath J, Wasmer C, Verel R, Lange A, Meier BH, Böckmann A
Despite its importance in the context of conformational diseases, structural information is still sparse for protein fibrils. Hydrogen/deuterium exchange measurements of backbone amides allow to identify hydrogen-bonding patterns and reveal pertinent information about...
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11-26-2010 05:32 PM
[NMR paper] Solid-state NMR studies of the membrane-bound closed state of the colicin E1 channel
Solid-state NMR studies of the membrane-bound closed state of the colicin E1 channel domain in lipid bilayers.
Related Articles Solid-state NMR studies of the membrane-bound closed state of the colicin E1 channel domain in lipid bilayers.
Protein Sci. 1998 Feb;7(2):342-8
Authors: Kim Y, Valentine K, Opella SJ, Schendel SL, Cramer WA
The colicin E1 channel polypeptide was shown to be organized anisotropically in membranes by solid-state NMR analysis of samples of uniformly 15N-labeled protein in oriented planar phospholipid bilayers. The 190...