1RRR
RNA DUPLEX CONTAINING A PURINE-RICH STRAND, NMR, 10 STRUCTURES
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | NOESY | 7.0 | 303 | |||||
| 2 | COSY | 7.0 | 303 | |||||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITY | 500 |
| 2 | Varian | UNITYPLUS | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | DISTANCE CONSTRAINTS FOR GLYCOSIDIC TORSION ANGLES, RIBOSE PSEUDOROTATIONAL PHASE ANGLES AND AMPLITUDES CALCULATED FROM NOE BUILD-UP CURVES AND COUPLING CONSTANTS BY A LEAST SQUARES/GRID-SEARCH METHOD IMPLEMENTED IN NUCFIT AND PFIT (A.N. LANE, NIMR, UK). INTERNUCLEOTIDE DISTANCE CONSTRAINTS CALCULATED FROM NOE BUILD-UP CURVES. STRUCTURES CALCULATED BY SIMULATED ANNEALING/RMD PROTOCOL WITHIN DISCOVER 95.0 USING AN AMBER FORCEFIELD AND A DISTANCE DEPENDENT DIELECTRIC CONSTANT. | Discover |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | LOWEST POTENTIAL ENERGY AND MINIMAL VIOLATIONS AND ACCEPTABLE STEREOCHEMISTRY |
| Conformers Calculated Total Number | 32 |
| Conformers Submitted Total Number | 10 |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | Discover | 95.0 | MOLECULAR SIMULATIONS INC. |
| 2 | structure solution | Felix | 95.0 | |
| 3 | structure solution | NUCFIT | ||
| 4 | structure solution | pfit | ||
| 5 | structure solution | DISCOVER 95.0 (INSIGHTII) | (INSIGHTII) | |
