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An Information Portal to 105212 Biological Macromolecular Structures

SOLID-STATE NMR
Materials and Methods page
2M4J
  •   NMR Eperiment Details Hide
    Representative Model Choice Rationale
    lowest energy  
     
    Spectrometer Info
    Field Strength 400.0
    Manufacturer Varian
    Model InfinityPlus
    Field Strength 750.0
    Manufacturer Varian
    Model Infinity
    Field Strength 600.0
    Manufacturer Varian
    Model InfinityPlus
     
    Sample Conditions
    IDs solution ID:1 condition ID:1
    Sample Contents 1-2 mg selectively and uniformly labeled samples beta-amyloid peptide
    Solvent System none
    Ionic Strength 10
    pH 7.4
    Pressure ambient
    Temperature 288
     
     
  •   NMR Refinement Information Hide
    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 Hide
    Ensemble
    Conformer Selection Criteria no violations, low restraint energy, and maximum structural diversity
    Conformers Calculated Total Number 600
    Conformers Submitted Total Number 20
     
  •   NMR Experimental Information Hide
    Experiment
    IDs experiment ID:1 solution ID:1 conditons ID:1
    Type 2D 13C-13C with fpRFDR
    IDs experiment ID:10 solution ID:1 conditons ID:1
    Type 2D 15N-13C TEDOR
    IDs experiment ID:11 solution ID:1 conditons ID:1
    Type 15N- and 13C-BARE
    IDs experiment ID:12 solution ID:1 conditons ID:1
    Type 13C PITHIRDS-CT
    IDs experiment ID:13 solution ID:1 conditons ID:1
    Type 2D 13C-13C with fpRFDR
    IDs experiment ID:2 solution ID:1 conditons ID:1
    Type 2D and 3D NCACX
    IDs experiment ID:3 solution ID:1 conditons ID:1
    Type 2D NCOCX
    IDs experiment ID:4 solution ID:1 conditons ID:1
    Type 3D NCOCX
    IDs experiment ID:5 solution ID:1 conditons ID:1
    Type 2D NCACX
    IDs experiment ID:6 solution ID:1 conditons ID:1
    Type 2D 13C-13C with spin diffusion
    IDs experiment ID:7 solution ID:1 conditons ID:1
    Type 2D 13C-13C with RAD
    IDs experiment ID:8 solution ID:1 conditons ID:1
    Type 2D 13C-13C with PAR
    IDs experiment ID:9 solution ID:1 conditons ID:1
    Type 2D 15N-13C TEDOR
     
  •   Software and Computing Hide
    NMR Software
    Authors Schwieters, Kuszewski, Tjandra and Clore
    Classification refinement
    Software Name X-PLOR_NIH
    Authors Schwieters, Kuszewski, Tjandra and Clore
    Classification structure calculations
    Software Name X-PLOR_NIH