SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents1.5mM natural abundance RNA; 10mM phosphate buffer; 50mM KCl; 50mM NaCl; 10mM MgCl2
Solvent90% H2O/10% D2O
Ionic Strength120mM
pH7
Pressureambient
Temperature (K)285
Experiment(s):2D NOESY
Sample Contents1.5mM natural abundance RNA; 10mM phosphate buffer; 50mM KCl; 50mM NaCl; 10mM MgCl2
Solvent90% H2O/10% D2O
Ionic Strength120mM
pH7
Pressureambient
Temperature (K)303
Experiment(s):2D NOESY, DQF-COSY, 1H-31P-COSY, 1H-31P-hetero-TOCSY-TOCSY
Spectrometer Information
Manufacturer Model Field Strength
Varian UNITYPLUS 600.0
Varian UNITY 500.0
NMR Refinement
Method used H5-H6 distances for distance calculations then simulated annealing/molecular dynamics in vacuo then restrained minimization in vacuo
Details 123 NOE-derived restraints, 15 hydrogen bond restraints, 102 lower/upper bound restraints, 161 dihedral restraints, 68 chiral restraints
NMR Ensemble Information
Conformer Selection Criteria structures with the lowest energy
Conformers Calculated Total Number 35
Conformers Submitted Total Number 20
Representative Model Choice Rationale
1 closest to the average,lowest energy
Additional NMR Experimental Information
1 This structure was determined using standard 2D homonuclear techniques and standard 1H-31P 2D correlation experiments.
Computation: NMR Software
# Classification Software Name Author
1 collection version: 6.1B VNMR Varian
2 processing version: 6.1B VNMR Varian
3 data analysis version: 6.1B VNMR Varian
4 processing FELIX MSI
5 data analysis FELIX MSI
6 structure solution DISCOVER MSI
7 refinement DISCOVER MSI