2O33
Solution structure of U2 snRNA stem I from S. cerevisiae
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 0.5 mM unlabeled RNA; 50 mM NaCl; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50 mM NaCl | 7.0 | ambient | 283 | |
2 | 2D NOESY | 0.5 mM unlabeled RNA; 50 mM NaCl; 99.99% D2O | 99.99% D2O | 50 mM NaCl | 7.0 | ambient | 303 | |
3 | 2D HNC(O) | 0.5 mM 13C/15N RNA; 50 mM NaCl; 90% H2O, 10% D2O | 90% H2O/10% D2O | 50 mM NaCl | 7.0 | ambient | 283 | |
4 | 2D HCC | 0.5 mM 13C/15N RNA; 50 mM NaCl; 99.99% D2O | 99.99% D2O | 50 mM NaCl | 7.0 | ambient | 303 | |
5 | 2D 13C-1H CT-HSQC | 0.5 mM 13C/15N RNA; 50 mM NaCl; 99.99% D2O | 99.99% D2O | 50 mM NaCl | 7.0 | ambient | 303 | |
6 | 3D 13C-separated TOCSY | 0.5 mM 13C/15N RNA; 50 mM NaCl; 99.99% D2O | 99.99% D2O | 50 mM NaCl | 7.0 | ambient | 303 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 750 |
2 | Varian | INOVA | 900 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing molecular dynamics torsion angle dynamics | CNS |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | structure solution | CNS | 1.1 | Brunger, Adams, Clore, Delano, Gros, Grossekunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren |
2 | refinement | X-PLOR | 2.11.0 | Schwieters, Kuszewski, Tjandra, Clore |