SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents2 mM P4 RNA; 100 mM sodium chloride; 10 mM phosphate buffer; 90% H2O, 10% D2O
Solvent90% H2O/10% D2O
Ionic Strength100 mM Na
pH6.5
Pressureambient
Temperature (K)288
Experiment(s):2D NOESY
Sample Contents2 mM P4 RNA; 100 mM sodium chloride; 10 mM phosphate buffer; 99.96% D2O
Solvent99.96% D2O
Ionic Strength100 mM Na
pH6.5
Pressureambient
Temperature (K)288
Experiment(s):2D NOESY, DQF-COSY, 31P-1H-COSY, 13C-1H-HMQC
Sample Contents2 mM P4 RNA; 100 mM sodium chloride; 10 mM magnesium chloride; 10 mM phosphate buffer; 90% H2O, 10% D2O
Solvent90% H2O/10% D2O
Ionic Strength100 mM Na, 10 mM Mg
pH6.5
Pressureambient
Temperature (K)288
Experiment(s):2D NOESY
Sample Contents2 mM P4 RNA; 100 mM sodium chloride; 3 mM hexammine cobalt chloride; 10 mM phosphate buffer; 90% H2O, 10% D2O
Solvent90% H2O/10% D2O
Ionic Strength100 mM Na, 3 mM Co(NH3)6
pH6.5
Pressureambient
Temperature (K)288
Experiment(s):2D NOESY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DRX 500.0
Bruker AMX 600.0
NMR Refinement
Method restrained molecular dynamics; simulated annealing
Details The structures are based on a total of 266 NOE-derived distance constraints, 164 dihedral restraints and 48 distance restraints from hydrogen bonds. The nine structures with lowest NOE and dihedral angle violation energies are presented
NMR Ensemble Information
Conformer Selection Criteria structures with the least restraint violations
Conformers Calculated Total Number 50
Conformers Submitted Total Number 9
Representative Model Choice Rationale
1 closest to the average
Additional NMR Experimental Information
1 This structure was determined using standard 2D homonuclear techniques and 13C and 31P heteronuclear techniques at natural abundance
Computation: NMR Software
# Classification Software Name Author
1 collection version: 3.1 XWINNMR Bruker
2 processing version: 95 FELIX MSI
3 structure solution version: 3.841 X-PLOR Brunger
4 refinement version: 3.841 X-PLOR Brunger