High resolution NMR Structure Of DNA Dodecamer Determined In Aqueous Dilute Liquid Crystalline Phase
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | H-31P-HSQC, HP-ctNOESY-DIF, COSY | 0.5 MM unlabeled DUPLEX DNA, 40MM SODIUM PHOSPHATE, PH 7.0 | 100% D2O | 40mM | 7.0 | 1 atm | 308 | |
| 2 | COSY,2D NOESY,13C-HSQC-J-MODULATED,13C-HSQC-F1-COUPLED, 15N-HSQC-F1-COUPLED | 0.5 MM U-13C/15N DUPLEX DNA, 40MM SODIUM PHOSPHATE, PH 7.0 | 90% H2O/10% D2O | 40mM | 7.0 | 1 atm | 308 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DMX | 600 |
| 2 | Bruker | AVANCE | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| SIMULATED ANNEALING, MOLECULAR DYNAMICS | THE STRUCTURE IS BASED ON A TOTAL OF 162 NOE, 32 HYDROGEN BOND, AND 24 DIHEDRAL RESTRAINTS; AS WELL AS 262 CH AND 16 NH ONE-BOND DIPOLAR COUPLING RESTRAINTS, 200 APPROXIMATE PROTON-PROTON DIPOLAR COUPLINGS, 300 quantitative proton-proton dipolar restraints, 22 31P-1H dipolar couplings, and 22 31P chemical shift anisotropy restraints. THE COORDINATE OF THE ALIGNMENT TENSOR IS DEFINED BY molecule 500 and 501. | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 20 |
| Conformers Submitted Total Number | 5 |
| Representative Model | 3 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | NMRPipe | 1.7 REV 1999.039.11.31 | Delaglio, Frank |
| 2 | collection | XwinNMR | VERSION 2.4 and 2.6 | Bruker |
| 3 | refinement | X-PLOR | 3.841 | BRUNGER |
| 4 | data analysis | CosyView | Delaglio, Frank | |
