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SOLUTION STRUCTURE OF THE APO N-TERMINAL DOMAIN OF YEAST CALMODULIN
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D NOESY
3 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM KCl
6.8
ambient
303
2
DQF-COSY
3 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM KCl
6.8
ambient
303
3
2D TOCSY
3 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM KCl
6.8
ambient
303
4
3D_15N-separated_NOESY
3 mM N-terminal domain of Yeast Calmodulin U-15N; 50 mM KCl; 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM KCl
6.8
ambient
303
5
3D_15N-separated_TOCSY
3 mM N-terminal domain of Yeast Calmodulin U-15N; 50 mM KCl; 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM KCl
6.8
ambient
303
6
15N-HSQC
3 mM N-terminal domain of Yeast Calmodulin U-15N; 50 mM KCl; 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM KCl
6.8
ambient
303
7
2D NOESY
3 mM N-terminal domain of Yeast Calmodulin; 50 mM KCl; 99.99% D2O
99.99% D2O
50 mM KCl
6.8
ambient
303
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
JEOL
A
600
NMR Refinement
Method
Details
Software
simulated annealing
The structures are based on a total of 996 restraints, 917 are NOE-derived
distance constraints, 44 dihedral angle restraints, 35 distance restraints
from hydrogen bonds
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
200
Conformers Submitted Total Number
30
Additional NMR Experimental Information
Details
The structure was determined using double-resonance NMR spectroscopy on 15N-labeled protein