1JUU
NMR Structure of a Parallel Stranded DNA Duplex at Atomic Resolution
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | COSY, NOESY, TOCSY | 5 mM concentration of each dodecamer strand, 0.05 M deuterated sodium acetate buffer and 0.1 M NaCl | 90% H2O/10% D2O | 100mM NaCl | 5.5 | ambient | 303 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITY | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, molecular dynamics | Structure was calculated using 78 nOe constraints, 28 hydrogen bond constraints, and 162 dihedral angle constraints. | Discover |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 20 (fewest violations,lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Structure was determined using 2D homonuclear experiments. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | Discover | 3.1 | MSI |
| 2 | refinement | Discover | 3.1 | MSI |
