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HIGH-RESOLUTION SOLUTION STRUCTURE OF FREE RGS4 BY NMR
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_13C-separated_NOESY
1 mM RGS4 U-15N,13C; 50mM phosphate buffer, 2 mM NaN3, 50 mM deuterated DTT, pH 6.0
100% D2O
50 mM K
6.0
ambient
303
2
3D_15N-separated_NOESY
1 mM RGS4 U-15N; 50mM phosphate buffer, 2 mM NaN3, 50 mM deuterated DTT, pH 6.0
90% H2O/10% D2O
50 mM K
6.0
ambient
303
3
HNHA
1 mM RGS4 U-15N; 50mM phosphate buffer, 2 mM NaN3, 50 mM deuterated DTT, pH 6.0
90% H2O/10% D2O
50 mM K
6.0
ambient
303
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AMX
600
NMR Refinement
Method
Details
Software
distance geometry simulated annealing
The structure is based on a total of 2871 restraints, 1960 approximate interproton distance restraints, 78 distance restraints for 39 backbone hydrogen bonds, 431 torsion angle restraints, 132 3JHNa restraints, 136 Ca and 134 Cb chemical shift restraints. Structure also refined with conformational database target function.