SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 15N-HSQC, 3D-15N_separated-NOESY | 1mM Ca-binding domain of nucleobindin, U-15N, 5mM CaCl2, 0.1mM NaN3, pH 6.8 | 90% H2O/10% D2O | 5 mM CaCl2, 0.1 mM NaN3, 5mM KCl | 6.8 | ambient | 300 | |
| 2 | 4D-15N,13C_separated_NOESY, HNCO, CBCACONH, HNCACB, HCONHCCONH | 1mM Ca-binding domain of nucleobindin, U-15N,U-13C, 5mM CaCl2, 0.1mM NaN3, pH 6.8 | 90% H2O/10% D2O | 5 mM CaCl2, 0.1 mM NaN3, 5mM KCl | 6.8 | ambient | 300 | |
| 3 | 4D-13C,13C_separated_NOESY,HCCH-TOCSY | 1mM Ca-binding domain of nucleobindin, U-15N,U-13C, 5mM CaCl2, 0.1mM NaN3, pH 6.8 | 100% D2O | 5 mM CaCl2, 0.1 mM NaN3, 5mM KCl | 6.8 | ambient | 300 | |
| 4 | HNCO, HCACONH, 13C-HSQC_JMOD | 0.7mM Ca-binding domain of nucleobindin, U-15N,U-13C, 5mM CaCl2, 0.1mM NaN3, pH 6.8 | 90% H2O, 10% D2O, Pf1 bacteriophage | 5 mM CaCl2, 0.1 mM NaN3, 5mM KCl | 6.8 | ambient | 300 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 600 |
| 2 | Bruker | AVANCE | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing | Residual dipolar couplings used for structure refinement. Residues 1-17, 47-63, 95-99 are flexible and were not considered in the superposition of the 20 structures. | UXNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | UXNMR | 2.5 | Bruker |
| 2 | data analysis | XwinNMR | 2.5 | Bruker |
| 3 | processing | NMRPipe | 2.1 | Delaglio, F. |
| 4 | data analysis | PIPP | 4.2.8 | Garrett, D. |
| 5 | refinement | XPLOR-NIH | 2.9.3 | Schwieters, kuszewski, Tjandra, Clore |
