NMR determination of the 2:1 binding motif structure involving cytosine flipping out for the recognition of the CGG/CGG triad DNA
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY (200 ms) | 2.5 mM NCD-GG1, 20 mM sodium phosphate, 100 mM sodium chloride | 90% H2O/10% D2O | 120 mM | 6.8 | 1 atm | 283 | Bruker DRX 800 |
| 2 | 2D 1H-13C HSQC | 2.5 mM NCD-GG1, 20 mM sodium phosphate, 100 mM sodium chloride | 90% H2O/10% D2O | 120 mM | 6.8 | 1 atm | 283 | Bruker AVANCE 500 |
| 3 | 2D 1H-31P HSQC | 2.5 mM NCD-GG1, 20 mM sodium phosphate, 100 mM sodium chloride | 90% H2O/10% D2O | 120 mM | 6.8 | 1 atm | 283 | Bruker DRX 800 |
| 4 | 2D DQF-COSY | 2.5 mM NCD-GG1, 20 mM sodium phosphate, 100 mM sodium chloride | 90% H2O/10% D2O | 120 mM | 6.8 | 1 atm | 283 | Bruker DRX 800 |
| 5 | 2D TOCSY | 2.5 mM NCD-GG1, 20 mM sodium phosphate, 100 mM sodium chloride | 90% H2O/10% D2O | 120 mM | 6.8 | 1 atm | 283 | Bruker DRX 800 |
| 6 | 2D NOESY (30 ms) | 2.5 mM NCD-GG1, 20 mM sodium phosphate, 100 mM sodium chloride | 90% H2O/10% D2O | 120 mM | 6.8 | 1 atm | 283 | Bruker DRX 800 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 800 |
| 2 | Bruker | AVANCE | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 30 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | Bruker Biospin | |
| 2 | chemical shift assignment | NMRFAM-SPARKY | Lee W, Tonelli M, Markley JL | |
| 3 | structure calculation | CNS | Brunger, Adams, Clore, Gros, Nilges and Read | |
| 4 | peak picking | NMRFAM-SPARKY | Lee W, Tonelli M, Markley JL | |
| 5 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |














