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NMR structure ensemble for the reduced DsbA disulphide oxidoreductase from Vibrio Cholerae
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_13C-separated_NOESY
400 uM DsbA U-15N,13C, 10 mM HEPES, 50 mM sodium chloride, ph 6.8, 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM NaCl
6.8
1 atm
320
2
3D_15N-separated_NOESY
400 uM DsbA U-15N,13C, 10 mM HEPES, 50 mM sodium chloride, ph 6.8, 90% H2O, 10% D2O
90% H2O/10% D2O
50 mM NaCl
6.8
1 atm
320
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
500
2
Varian
AVANCE
600
NMR Refinement
Method
Details
Software
torsion angle dynamics
898 long range NOE restraints, 850 medium range NOE restraints, 95 ambiguous NOE restraints, 95 hydrogen bond distance restraints, 238 dihedral angle restraints
XwinNMR
NMR Ensemble Information
Conformer Selection Criteria
structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number
100
Conformers Submitted Total Number
22
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
Structure determined using triple resonance methods. Stereospecific assignments of valine and leucine methyls were achieved using a 10% 13C-labeled sample of DsbA