SOLUTION STRUCTURE OF THE DELETION MUTANT DELTA(7-22) OF THE CYTOTOXIC RIBONUCLEASE ALPHA-SARCIN
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 2mM Ribonuclease; 90% H2O, 10% D2O | 90% H2O/10% D2O | 6.0 | AMBIENT | 308 | ||
| 2 | 2D TOCSY | 2mM Ribonuclease; 90% H2O, 10% D2O | 90% H2O/10% D2O | 6.0 | AMBIENT | 308 | ||
| 3 | 2D NOESY | 2mM Ribonuclease; D2O | D2O | 6.0 | AMBIENT | 308 | ||
| 4 | 2D TOCSY | 2mM Ribonuclease; D2O | D2O | 6.0 | AMBIENT | 308 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| 2 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | The structures are based on a total of 2088 restraints, 1990 NOE-derived distance constraints and 98 dihedral angle restraints. The best 25 representative conformers are energy-minimized with AMBER7 | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 25 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D NOE homonuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 3.1 | |
| 2 | processing | XwinNMR | 3.1 | |
| 3 | data analysis | ANSIG | 3.3 | Kraulis, P. |
| 4 | structure solution | DYANA | 1.5 | Guntert, P. |
| 5 | refinement | DYANA | 1.5 | Guntert, P. |
| 6 | refinement | Amber | 7 | |
