NMR structure of uridine bulged RNA duplex
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 1 mM RNA (5'-R(*GP*UP*CP*GP*UP*GP*CP*UP*G)-3'), 1 mM RNA (5'-R(*CP*AP*GP*CP*CP*GP*AP*C)-3') | 100% D2O | 60 | 6.8 | ambient | 298 | |
| 2 | 2D DQF-COSY | 1 mM RNA (5'-R(*GP*UP*CP*GP*UP*GP*CP*UP*G)-3'), 1 mM RNA (5'-R(*CP*AP*GP*CP*CP*GP*AP*C)-3') | 100% D2O | 60 | 6.8 | ambient | 298 | |
| 3 | 2D 1H-1H TOCSY | 1 mM RNA (5'-R(*GP*UP*CP*GP*UP*GP*CP*UP*G)-3'), 1 mM RNA (5'-R(*CP*AP*GP*CP*CP*GP*AP*C)-3') | 100% D2O | 60 | 6.8 | ambient | 298 | |
| 4 | 2D 1H-13C HSQC | 1 mM RNA (5'-R(*GP*UP*CP*GP*UP*GP*CP*UP*G)-3'), 1 mM RNA (5'-R(*CP*AP*GP*CP*CP*GP*AP*C)-3') | 100% D2O | 60 | 6.8 | ambient | 298 | |
| 5 | 2D 1H-31P HSQC | 1 mM RNA (5'-R(*GP*UP*CP*GP*UP*GP*CP*UP*G)-3'), 1 mM RNA (5'-R(*CP*AP*GP*CP*CP*GP*AP*C)-3') | 100% D2O | 60 | 6.8 | ambient | 298 | |
| 6 | 2D 1H-1H NOESY | 1 mM RNA (5'-R(*GP*UP*CP*GP*UP*GP*CP*UP*G)-3'), 1 mM RNA (5'-R(*CP*AP*GP*CP*CP*GP*AP*C)-3') | 90% H2O/10% D2O | 60 | 6.8 | ambient | 283 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | Felix | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | peak picking | Felix | Accelrys Software Inc. | |
| 2 | chemical shift assignment | Felix | Accelrys Software Inc. | |
| 3 | collection | TopSpin | Bruker Biospin | |
| 4 | processing | TopSpin | Bruker Biospin | |
| 5 | structure solution | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 6 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
| 7 | data analysis | Curves | Lavery and Sklenar | |














