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Solution Structure of a Calmodulin-Like Calcium-Binding Domain from Arabidopsis thaliana
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_13C-separated_NOESY 5 mM DTT, 20 mM Bis-Tris, 5mM Ca2+, 1mM DSS, 0.02% NaN3, 1 mM protein 90% H2O/10% D2O 6.4 1 atm 298.2 2 3D_15N-separated_NOESY 5 mM DTT, 20 mM Bis-Tris, 5mM Ca2+, 1mM DSS, 0.02% NaN3, 1 mM protein 90% H2O/10% D2O 6.4 1 atm 298.2
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 600 2 Bruker DMX 500
NMR Refinement Method Details Software simulated annealing
molecular dynamics
torsion angle dynamics The structure was first calculated using torsion angle dynamics, and later refined using simulated annealing and molecular dynamics XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details This structure was determined using standard 3D techniques.
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 3.2 2 processing NMRPipe 2.1 3 data analysis Sparky 3.72 4 structure solution CYANA 1.0.5 5 refinement XPLOR-NIH 2.0.6