NMR structure of an AChR-peptide (Torpedo Californica, alpha-subunit residues 182-202) in complex with alpha-Bungarotoxin
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D TOCSY | acetylcholine receptor peptide/alpha-bungarotoxin | 90% H2O/10% D2O | 50 mM NH4Ac | 4 | ambient | 298 | |
| 2 | 2D NOESY | acetylcholine receptor peptide/alpha-bungarotoxin | 90% H2O/10% D2O | 50 mM NH4Ac | 4 | ambient | 298 | |
| 3 | 2D NOESY | acetylcholine receptor peptide/alpha-bungarotoxin | 100% D2O | 50 mM NH4Ac | 4 | ambient | 298 | |
| 4 | DQF-COSY | acetylcholine receptor peptide/alpha-bungarotoxin | 100% D2O | 50 mM NH4Ac | 4 | ambient | 298 | |
| 5 | 2D TOCSY | acetylcholine receptor peptide/alpha-bungarotoxin | 100% D2O | 50 mM NH4Ac | 4 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 800 |
| 2 | Bruker | DMX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing energy minimization | CNS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 19 |
| Additional NMR Experimental Information | |
|---|---|
| Details | This structure was determined using standard 2D homonuclear techniques |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | CNS | 1 | brunger |
| 2 | structure solution | CNS | 1 | brunger |
| 3 | data analysis | XwinNMR | 3 | bruker |
| 4 | data analysis | AURELIA | 2.8.11 | neidig |
