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SOLUTION STRUCTURE OF A BISTRAND ABASIC SITE LESION STAGGERED IN A 3'-ORIENTATION.
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D NOESY
2mM solution; 20 mM phosphate buffer, pH 6.8; 50 mM NaCl; 1 mM EDTA.
99.96% D2O
not determined
6.8
ambient
298
2
COSY, COSY45, TOCSY, HETCOR
2mM solution; 20 mM phosphate buffer, pH 6.8; 50 mM NaCl; 1 mM EDTA.
99.96% D2O
not determined
6.8
ambient
298
3
2D NOESY
2mM solution; 20 mM phosphate buffer, pH 6.8; 50 mM NaCl; 1 mM EDTA.
99.96% D2O
not determined
6.8
ambient
280
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
INOVA
500
2
Varian
INOVA
600
NMR Refinement
Method
Details
Software
restrained molecular dynamics
1) Heating stage: from 100 to 500 K in 4ps. Introduction of experimental restraints at the end of this stage. 2) High temperature stage: 80 ps dynamics at 500K. 3) Cooling stage: From 500 to 300 K in 40 ps. 4) Equilibration stage: 140 ps dynamics at 300K.