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High-resolution structure determination of the CylR2 homodimer using intermonomer distances from paramagnetic relaxation enhancement and NMR dipolar couplings
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_13C-separated_NOESY
1mM CylR2 U-15N,13C; 50mM HEPES
95% H2O/5% D2O
600mM NaCl
7.0
ambient
298
2
3D_15N-separated_NOESY
0.3mM CylR2 U-15N; 50mM HEPES
95% H2O/5% D2O
350mM NaCl
7.0
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AVANCE
600
2
Bruker
AVANCE
700
3
Bruker
DRX
600
NMR Refinement
Method
Details
Software
torsion angle dynamics, simulated annealing
CYANA
NMR Ensemble Information
Conformer Selection Criteria
lowest total energy
Conformers Calculated Total Number
100
Conformers Submitted Total Number
15
Representative Model
9 (closest to the average)
Additional NMR Experimental Information
Details
The structure was determined using triple-resonance NMR spectroscopy.