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CHIMERIC ARABINONUCLEIC ACID (ANA) HAIRPIN WITH ANA/RNA HYBRID STEM
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
DQF-COSY
1 mM hairpin
D2O
7.0
1 atm
288
2
2D-NOESY
1 mM hairpin
D2O
7.0
1 atm
288
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
500
NMR Refinement
Method
Details
Software
simulated annealing
Starting A- and B-type stem hairpin structures with randomly organized loops were refined by 14 ps restrained molecular dynamics (300-1000 K) with final enegry minimization
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
all calculated structures submitted
Conformers Calculated Total Number
10
Conformers Submitted Total Number
10
Representative Model
1 (the hairpin stem structure closest to the average)
Additional NMR Experimental Information
Details
This structure was determined using standard 2D homo- and heteronuclear techniques: NOESY, DQF-COSY, TOCSY, H,C-HMQC and H,P-HetCOSY