SOLID-STATE NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents1-2 mg selectively and uniformly labeled samples beta-amyloid peptide
Solventnone
Ionic Strength10
pH7.4
Pressureambient
Temperature (K)288
Experiment(s):2D 13C-13C with fpRFDR, 2D 15N-13C TEDOR, 15N- and 13C-BARE, 13C PITHIRDS-CT, 2D 13C-13C with fpRFDR, 2D and 3D NCACX, 2D NCOCX, 3D NCOCX, 2D NCACX, 2D 13C-13C with spin diffusion, 2D 13C-13C with RAD, 2D 13C-13C with PAR, 2D 15N-13C TEDOR
Spectrometer Information
Manufacturer Model Field Strength
Varian InfinityPlus 400.0
Varian Infinity 750.0
Varian InfinityPlus 600.0
NMR Refinement
Method simulated annealing
Details Includes "non-crystallographic" symmetry, 3-fold rotational symmetry, and translational symmetry restraints. Three stages of annealing, starting with random configuration of nine beta-amyloid peptide molecules. See publication for full details.
NMR Ensemble Information
Conformer Selection Criteria no violations, low restraint energy, and maximum structural diversity
Conformers Calculated Total Number 600
Conformers Submitted Total Number 20
Representative Model Choice Rationale
1 lowest energy
Computation: NMR Software
# Classification Software Name Author
1 refinement X-PLOR_NIH Schwieters, Kuszewski, Tjandra and Clore
2 structure calculations X-PLOR_NIH Schwieters, Kuszewski, Tjandra and Clore