2MPQ
Solution structure of the sodium channel toxin Hd1a
SOLUTION NMR
NMR Experiment | ||||||||
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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 | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 900 |
NMR Refinement | ||
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Method | Details | Software |
torsion angle dynamics | TALOS |
NMR Ensemble Information | |
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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 | |
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Details | NOESY MIXING TIME 200ms |
Computation: NMR Software | ||||
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# | 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 |