2AK0
Structure of cyclic conotoxin MII-7
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 1mM cyclic MII-7 | 90% H2O/10% D2O | 3.5 | ambient | 298 | ||
2 | 2D TOCSY | 1mM cyclic MII-7 | 90% H2O/10% D2O | 3.5 | ambient | 298 | ||
3 | DQF-COSY | 1mM cyclic MII-7 | 90% H2O/10% D2O | 3.5 | ambient | 298 | ||
4 | E-COSY | 1mM cyclic MII-7 | 90% H2O/10% D2O | 3.5 | ambient | 298 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 500 |
2 | Bruker | AVANCE | 600 |
3 | Bruker | DMX | 750 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | XwinNMR |
NMR Ensemble Information | |
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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 | collection | XwinNMR | 1.3.5 | Bruker |
2 | data analysis | XEASY | 1.3.7 | Eccles et al |
3 | structure solution | DYANA | 1.5 | Guntert |
4 | structure solution | CNS | 1.1 | Brunger |
5 | refinement | CNS | 1.1 |