NMR Identification and Characterization of the Flexible Regions in the 160 KD Molten Globule-like Aggregate of Barstar at Low pH
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 1.2 mM Barstar U-15N, 13C; | 90 % H2O, 10& D2O; pH 2.7 | 2.7 | 1 atm | 298 | ||
| 2 | 3D_15N-separated_NOESY | 1.2 mM Barstar U-15N, 13C; | 90 % H2O, 10& D2O; pH 2.7 | 2.7 | 1 atm | 298 | ||
| 3 | HNN, HN(C)N, 15N HSQC, HNCA, HN(CO)CA, CBCANH, CBCA(CO)NH, HNCO, | 1.2 mM Barstar U-15N, 13C; | 90 % H2O, 10& D2O; pH 2.7 | 2.7 | 1 atm | 298 | ||
| 4 | 2D TOCSY, 2D HSQC-TOCSY | 1.2 mM Barstar U-15N, 13C; | 90 % H2O, 10& D2O; pH 2.7 | 2.7 | 1 atm | 298 | ||
| 6 | TOCSY | 1.2 mM Barstar U-15N, 13C; | 90 % H2O, 10& D2O; pH 2.7 | 2.7 | 1 atm | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITYPLUS | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | VNMR | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | target function |
| Conformers Calculated Total Number | 10 |
| Conformers Submitted Total Number | 10 |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D and 3D hetronuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | VNMR | 1B | varian |
| 2 | processing | Felix | 97 | MSI |
| 3 | structure solution | DYANA | 1 | ETH |
| 4 | refinement | DYANA | 1 | ETH |














