SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_15N-separated_NOESY | 1mM NtrC4r U-15N,13C 10 mM phosphate buffer pH 7.0. | 90% H2O/10% D2O | 40 mM | 7 | ambient | 323 | |
| 2 | 3D_13C-separated_NOESY | 1mM NtrC4r U-15N,13C 10 mM phosphate buffer pH 7.0. | 90% H2O/10% D2O | 40 mM | 7 | ambient | 323 | |
| 3 | HNHA | 1mM NtrC4r U-15N,13C 10 mM phosphate buffer pH 7.0. | 90% H2O/10% D2O | 40 mM | 7 | ambient | 323 | |
| 4 | 2D NOESY | 1mM NtrC4r U-15N,13C 10 mM phosphate buffer pH 7.0. | 90% H2O/10% D2O | 40 mM | 7 | ambient | 323 | |
| 5 | 15N-IPAP-HSQC | 1mM NtrC4r U-15N,13C 10 mM phosphate buffer pH 7.0. | 90% H2O/10% D2O | 40 mM | 7 | ambient | 323 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 600 |
| 2 | Bruker | DRX | 500 |
| 3 | Bruker | DRX | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | The structures are based on 1155 NOE restraints, 19 hydrogen bonds (38 restraints), 57 Phi dihedral restraints, 11 Chi1 restraints, and 24 1H-15N residual dipolar coupling restraints. | CNS |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with favorable non-bond energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 38 |
| Representative Model | 11 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | CNS | 1.1 | Brunger |
| 2 | processing | NMRPipe | Linux | Delaglio |
| 3 | data analysis | NMRView | 5.0 | Johnson |
| 4 | structure solution | DYANA | 1.5 | Guntert |
| 5 | refinement | DYANA | 1.5 | Guntert |
