7N26
NMR structure of EpI-[Y(SO3)15Y]-NH2
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 1H-1H TOCSY | 1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS | 90% H2O/10% D2O | 5 mM | 6.0 | ambient | 298 | Bruker AVANCE 700 |
| 2 | 1H-1H NOESY | 1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS | 90% H2O/10% D2O | 5 mM | 6.0 | ambient | 298 | Bruker AVANCE 700 |
| 3 | 1H-15N HSQC | 1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS | 90% H2O/10% D2O | 5 mM | 6.0 | ambient | 298 | Bruker AVANCE 700 |
| 4 | 1H-13C HSQC | 1.0 mg/mL Alpha-conotoxin EpI-[Y(SO3)15Y]-NH2, 10 uM DSS | 90% H2O/10% D2O | 5 mM | 6.0 | ambient | 298 | Bruker AVANCE 700 |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 700 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | torsion angle simulated annealing, ensemble contains 20 structures with the best MolProbity scores, minimum energies and no violations | CYANA |
| na | minimised in a water shell | CNS |
| 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 | refinement | CNS | Brunger A. T. et.al. | |
| 2 | structure calculation | CYANA | 3.98.13 | Guntert, Mumenthaler and Wuthrich |
| 3 | chemical shift assignment | CcpNmr Analysis | v3 | CCPN |
