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Solution structure of a dimer of LAC repressor DNA-binding domain complexed to its natural operator O2
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D 1H-13C NOESY
0.7 mM DNA (5'-D(*DGP*DAP*DAP*DTP*DTP*DGP*DTP*DGP*DAP*DGP*DCP*DGP*DGP*DAP*DTP*DAP*DAP*DCP*DAP*DAP*DTP*DTP*DT)'),
0.7 mM DNA (5'-D(P*DAP*DAP*DAP*DTP*DTP*DGP*DTP*DTP*DAP*DTP*DCP*DCP*DGP*DCP*DTP*DCP*DAP*DCP*DAP*DAP*DTP*DTP*DC)'),
0.7 mM Lac headpiece dimer, 5% D2O, 10 mM potassium phosphate, 20 mM potassium chloride,
5% U-100% 2H d8-glycerol, 0.01% sodium azide
95% H2O/5% D2O
0.03
6
ambient
315
2
3D 1H-15N NOESY
0.7 mM DNA (5'-D(*DGP*DAP*DAP*DTP*DTP*DGP*DTP*DGP*DAP*DGP*DCP*DGP*DGP*DAP*DTP*DAP*DAP*DCP*DAP*DAP*DTP*DTP*DT)'),
0.7 mM DNA (5'-D(P*DAP*DAP*DAP*DTP*DTP*DGP*DTP*DTP*DAP*DTP*DCP*DCP*DGP*DCP*DTP*DCP*DAP*DCP*DAP*DAP*DTP*DTP*DC)'),
0.7 mM Lac headpiece dimer, 5% D2O, 10 mM potassium phosphate, 20 mM potassium chloride,
5% U-100% 2H d8-glycerol, 0.01% sodium azide
95% H2O/5% D2O
0.03
6
ambient
315
3
2D 1H-1H NOESY
0.7 mM DNA (5'-D(*DGP*DAP*DAP*DTP*DTP*DGP*DTP*DGP*DAP*DGP*DCP*DGP*DGP*DAP*DTP*DAP*DAP*DCP*DAP*DAP*DTP*DTP*DT)'),
0.7 mM DNA (5'-D(P*DAP*DAP*DAP*DTP*DTP*DGP*DTP*DTP*DAP*DTP*DCP*DCP*DGP*DCP*DTP*DCP*DAP*DCP*DAP*DAP*DTP*DTP*DC)'),
0.7 mM Lac headpiece dimer, 5% D2O, 10 mM potassium phosphate, 20 mM potassium chloride,
5% U-100% 2H d8-glycerol, 0.01% sodium azide