Structure of perimidinone-derived synthetic nucleoside paired with guanine in DNA duplex
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H NOESY | 0.53 mM 5'-D(*CP*GP*CP*GP*AP*AP*TP*TP)[D3N]P-D(*GP*CP*GP)-3', 100 mM sodium chloride, 50 uM EDTA, 10 mM sodium phosphate | 100% D2O | 100 | 7.0 | ambient | 283 | |
| 2 | 2D 1H-1H COSY | 0.53 mM 5'-D(*CP*GP*CP*GP*AP*AP*TP*TP)[D3N]P-D(*GP*CP*GP)-3', 100 mM sodium chloride, 50 uM EDTA, 10 mM sodium phosphate | 100% D2O | 100 | 7.0 | ambient | 283 | |
| 3 | 2D 1H-1H NOESY | 0.53 mM 5'-D(*CP*GP*CP*GP*AP*AP*TP*TP)[D3N]P-D(*GP*CP*GP)-3', 10 mM sodium phosphate, 50 uM EDTA, 100 mM sodium chloride | 90% H2O/10% D2O | 100 | 7.0 | ambient | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| 2 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Amber | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | back calculated data agree with experimental NOESY spectrum |
| Conformers Calculated Total Number | 10 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (minimized average structure) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | Amber | Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman | |
| 2 | collection | TopSpin | Bruker Biospin | |
| 3 | processing | TopSpin | Bruker Biospin | |
| 4 | data analysis | CORMA | Thomas L. James | |
| 5 | data analysis | Curves | 5.3 | Ravishankar, G. et al. |
| 6 | processing | MARDIGRAS | Thomas L. James | |
| 7 | chemical shift assignment | Sparky | Goddard | |
| 8 | chemical shift calculation | Sparky | Goddard | |














