2MDQ
A Novel 4/7-Conotoxin LvIA from Conus lividus that Selectively Blocks 3 2 vs. 6/3 2 3 Nicotinic Acetylcholine Receptors
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-13C HSQC | 1.5 mM H2O | 90% H2O/10% D2O | 4 | ambient | 280-315 | ||
2 | 2D 1H-1H TOCSY | 1.5 mM H2O | 90% H2O/10% D2O | 4 | ambient | 280-315 | ||
3 | 2D 1H-1H TOCSY | 1.5 mM D2O | 100% D2O | 4 | ambient | 298 | ||
4 | 2D DQF-COSY | 1.5 mM H2O | 90% H2O/10% D2O | 4 | ambient | 280-315 | ||
5 | 2D 1H-1H NOESY | 1.5 mM H2O | 90% H2O/10% D2O | 4 | ambient | 280-315 | ||
6 | 2D 1H-1H NOESY | 1.5 mM D2O | 100% D2O | 4 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
torsion angle dynamics | XEASY |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (lowest energy) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | peak picking | XEASY | Bartels et al. | |
2 | chemical shift assignment | XEASY | Bartels et al. | |
3 | chemical shift calculation | XEASY | Bartels et al. | |
4 | refinement | CNS | Brunger, Adams, Clore, Gros, Nilges and Read | |
5 | structure solution | CYANA | Guntert, Mumenthaler and Wuthrich | |
6 | processing | TopSpin | Bruker Biospin |