2N7M
NMR-SAXS/WAXS Structure of the core of the U4/U6 di-snRNA
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 0.6 mM [U-13C; U-15N]-Gua, -Ura RNA (92-MER), 0.02 mM potassium chloride, 0.02 mM potassium phosphate | 95% H2O/5% D2O | 58.5 | 7.0 | ambient | 298 | |
2 | 2D 1H-15N HSQC | 0.6 mM [U-13C; U-15N]-Gua, -Ura RNA (92-MER), 0.02 mM potassium chloride, 0.02 mM potassium phosphate, 5 mg/mL Pf1 phage | 95% H2O/5% D2O | 58.5 | 7.0 | ambient | 298 | |
3 | 2D 1H-13C HSQC | 0.7 mM [U-13C; U-15N]-Ade RNA (92-MER), 0.02 mM potassium chloride, 0.02 mM potassium phosphate | 95% H2O/5% D2O | 58.5 | 7.0 | ambient | 303 | |
4 | 2D 1H-13C HSQC | 0.7 mM [U-13C; U-15N]-Ade RNA (92-MER), 0.02 mM potassium chloride, 0.02 mM potassium phosphate, 5 mg/mL Pf1 phage | 95% H2O/5% D2O | 58.5 | 7.0 | ambient | 303 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Agilent | INOVA | 900 |
2 | Agilent | INOVA | 800 |
3 | Bruker | DMX | 750 |
4 | Bruker | AVANCE | 600 |
5 | Bruker | AVANCE | 500 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics, simulated annealing | NMRPipe |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 10 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
2 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
3 | peak picking | NMRDraw | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |