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NMR STRUCTURE OF THE CK14 DNA DUPLEX: A PORTION OF THE KNOWN NF-kB SEQUENCE CK1
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D NOESY
2 mM DNA DUPLEX; 12 mM Na2HPO4; 8 mM NaH2PO4; 56 mM NaCl; 50 uM NaN3
99.96% D2O
100 mM
6.7
ambient
288
2
2D NOESY
2 mM DNA DUPLEX; 12 mM Na2HPO4; 8 mM NaH2PO4; 56 mM NaCl; 50 uM NaN3
90% H2O/10% D2O
100 mM
6.7
ambient
278
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Varian
UNITYPLUS
750
2
Varian
UNITYPLUS
600
NMR Refinement
Method
Details
Software
molecular dynamics
Distance restraints were derived by MORASS 2.5 using
a total relaxation matrix approach. The deposited
structure represents the average of 10
final structures.
MORASS
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
10
Conformers Submitted Total Number
1
Representative Model
1 (minimized average structure)
Additional NMR Experimental Information
Details
This structure was determined using standard 2D homonuclear techniques.
Proton resonances were assigned using COSY, TOCSY, and NOESY data.