1ME1
Chimeric hairpin with 2',5'-linked RNA loop and RNA stem
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1.5 mM hairpin | D2O, H2O/D2O | 7.0 | 1 atm | 288 | ||
| 2 | DQF-COSY | 1.5 mM hairpin | D2O, H2O/D2O | 7.0 | 1 atm | 288 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Structures were refined by NMR-restrained molecular dynamics (12 ps, 300-1000 K) with final energy minimization | X-PLOR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | STRUCTURES WITH THE LEAST RESTRAINT VIOLATIONS, STRUCTURES WITH THE LOWEST ENERGY |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (closest to the average, lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Structure was determined using standard 2D homo- and heteronuclear techniques: 2D-NOESY, DQF-COSY, TOCSY, H,C-HMQC, H,P-HetCOSY |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | X-PLOR | 3.851 | Brunger |
| 2 | data analysis | X-PLOR | Brunger | |
