Solution NMR structure of conotoxin AoIA - globular disulfide isomer
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-1H TOCSY | 2 mg/mL ArXA-Globular | 90% H2O/10% D2O | 0 mM | 3.5 | ambient | 298 | Bruker AVANCE III HD 700 |
| 2 | 2D 1H-1H NOESY | 2 mg/mL ArXA-Globular | 90% H2O/10% D2O | 0 mM | 3.5 | ambient | 298 | Bruker AVANCE III HD 700 |
| 3 | 2D 1H-13C HSQC | 2 mg/mL ArXA-Globular | 90% H2O/10% D2O | 0 mM | 3.5 | ambient | 298 | Bruker AVANCE III HD 700 |
| 4 | 2D 1H-15N HSQC | 2 mg/mL ArXA-Globular | 90% H2O/10% D2O | 0 mM | 3.5 | ambient | 298 | Bruker AVANCE III HD 700 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE III HD | 700 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Structures were calculated using torsion angle dynamics and refined in explicit solvent using cartesian dynamics. | CNS |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | Molprobity score |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | TopSpin | 3.7.0 | Bruker Biospin |
| 2 | processing | TopSpin | 3.7.0 | Bruker Biospin |
| 3 | chemical shift assignment | CARA | 1.9.1 | Keller and Wuthrich |
| 4 | structure calculation | CYANA | 3.98.15 | Guntert, Mumenthaler and Wuthrich |
| 5 | refinement | CNS | 1.2 | Brunger, Adams, Clore, Gros, Nilges and Read |
