Ribonucleotide Perturbation of DNA Structure: Solution Structure of [d(CGC)r(G)d(AATTCGCG)]2
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 100% D2O | 100 | 7.0 | ambient | 298 | |
| 2 | 2D 1H-1H TOCSY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 100% D2O | 100 | 7.0 | ambient | 298 | |
| 3 | 2D 1H-1H COSY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 100% D2O | 100 | 7.0 | ambient | 298 | |
| 4 | 2D 1H-1H COSY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 100% D2O | 100 | 7.0 | ambient | 298 | |
| 5 | 2D 1H-1H NOESY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 90% H2O/10% D2O | 100 | 7.0 | ambient | 298 | |
| 6 | 2D 1H-31P COSY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 100% D2O | 100 | 7.0 | ambient | 298 | |
| 7 | 2D 1H-31P J-COSY | 2.0 mM rG4 substituted Drew Dickerson dodecamer, 50.0 mM sodium chloride, 50.0 mM sodium phosphate, 0.5 mM EDTA | 100% D2O | 100 | 7.0 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| 2 | Varian | INOVA | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, torsion angle dynamics | VnmrJ | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 5 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | VnmrJ | 2.1B | Varian |
| 2 | processing | NMRPipe | 2010.190.16.149 | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |
| 3 | chemical shift assignment | NMRView | 8.0.b64 | Johnson, One Moon Scientific |
| 4 | data analysis | NMRView | 8.0.b64 | Johnson, One Moon Scientific |
| 5 | peak picking | NMRView | 8.0.b64 | Johnson, One Moon Scientific |
| 6 | structure solution | XPLOR-NIH | 2.25 | Schwieters, Kuszewski, Tjandra and Clore |
| 7 | refinement | XPLOR-NIH | 2.25 | Schwieters, Kuszewski, Tjandra and Clore |














