Solution structure of the sodium channel toxin Hd1a
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-15N HSQC | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 2 | 3D HNCO | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 3 | 3D HNCACB | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 4 | 3D CBCA(CO)NH | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 5 | 3D 1H-13C NOESY aliphatic | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 6 | 3D 1H-13C NOESY aromatic | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 7 | 3D 1H-15N NOESY | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 8 | 3D HBHA(CO)NH | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| 9 | 4D HCC(CO)NH | 20 mM sodium acetate, 0.5 mM [U-98% 13C; U-98% 15N] Hd1a | 95% H2O/5% D2O | 20 | 4.9 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 900 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | TALOS | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | Best MobProbity score |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (best mobprobity score) |
| Additional NMR Experimental Information | |
|---|---|
| Details | NOESY MIXING TIME 200ms |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | geometry optimization | TALOS | + | Cornilescu, Delaglio and Bax |
| 2 | structure solution | CYANA | 3.0 | Guntert, Mumenthaler and Wuthrich |
| 3 | collection | TopSpin | 3.1 | Bruker Biospin |
| 4 | processing | Rowland_NMR_Toolkit | 3 | Stern, Mobli, Hoch |
| 5 | data analysis | XEASY | Bartels et al. | |
| 6 | chemical shift assignment | XEASY | Bartels et al. | |
| 7 | refinement | CYANA | Guntert, Mumenthaler and Wuthrich | |














