1IDV
NMR structure of HCV ires RNA domain IIIC
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8 | 90% H2O/10% D2O | 10 mM KCl | 6.8 | ambient | 283 | |
2 | 2D NOESY | 10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8 | 99.996% D2O | 10 mM KCl | 6.8 | ambient | 298 | |
3 | DQF-COSY | 10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8 | 99.996% D2O | 10 mM KCl | 6.8 | ambient | 298 | |
4 | 2D TOCSY | 10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8 | 99.996% D2O | 10 mM KCl | 6.8 | ambient | 298 | |
5 | 31P Hetero-TOCSY | 10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8 | 99.996% D2O | 10 mM KCl | 6.8 | ambient | 298 | |
6 | 1H-13C HSQC | 10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8 | 99.996% D2O | 10 mM KCl | 6.8 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 750 |
2 | Varian | UNITYPLUS | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing molecular dynamics relaxation matrix analysis | The structures are based on 254 NOE restraints, 12 sugar pucker restraints and 9 hydrogen bonds | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum |
Conformers Calculated Total Number | 20 |
Conformers Submitted Total Number | 10 |
Representative Model | 10 (fewest noe violations) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear techniques. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR | 3.1 | BRUNGER |
2 | refinement | MORASS | 2.51 | POST, MEADOWS, LUXON and GORENSTEIN |