2CYU
NMR structure of a downhill folding protein
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D COSY | 90% H2O, 10% D2O, trace amounts of DSS for NMR calibration | 90% H2O/10% D2O | 0 | 5.3 | ambient | 278 | |
| 2 | 2D TOCSY | 90% H2O, 10% D2O, trace amounts of DSS for NMR calibration | 90% H2O/10% D2O | 0 | 5.3 | ambient | 278 | |
| 3 | 2D NOESY | 90% H2O, 10% D2O, trace amounts of DSS for NMR calibration | 90% H2O/10% D2O | 0 | 5.3 | ambient | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | THE FIRST THREE RESIDUES OF OUR PROTEIN VARIANT ARE NOT STRUCTURED (NO DISTANCE RESTRAINTS). ACCORDINGLY, THE COORDINATES FOR THE N-TERMINAL NAPHTHYLALANINE ARE NOT SHOWN | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 300 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 3.1 | Bruker |
| 2 | processing | NMRPipe | sgi6x | F. Delagio |
| 3 | data analysis | NMRView | 5.0.4 | Bruce A. Johnson |
| 4 | refinement | XPLOR-NIH | 2.11 | |
