1FV8
NMR STUDY OF AN HETEROCHIRAL HAIRPIN
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | AT(L)C | 90% H2O/10% D2O | 0.025 | 6 | 293 | ||
| 2 | P-COSY | AT(L)C | 90% H2O/10% D2O | 0.025 | 6 | 293 | ||
| 3 | TOCSY | AT(L)C | 90% H2O/10% D2O | 0.025 | 6 | 293 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AMX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing, torsion angle dynamics | The structures are based on a total of 252 restraints, distance constraints, 56 dihedral angle restraints,9 distance restraints from hydrogen bonds, and 4 planarity constraints. The calculations were performed on the 11 central residues. | Felix |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 11 |
| Representative Model | 11 (closest to the average,minimized average structure) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques, and PFG to measure the diffusion constant |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | Felix | MSI (SAn Diego) | |
| 2 | structure solution | CNS | XPLOR 3.8 | Brunger et al., 1998 |
| 3 | processing | XwinNMR | Bruker | |
| 4 | refinement | CNS | XPLOR 3.8 | Brunger et al., 1998 |
