1FEO
Solution structure of omega-conotoxin MVIIA with C-terminal Gly
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2 mM omega-MVIIA-Gly | 93% H2O, 7% D20 | 6.0 | ambient | 283 | ||
2 | 3D_15N-separated_NOESY | 2 mM omega-MVIIA-Gly U-15N | 93% H2O, 7% D20 | 6.0 | ambient | 283 | ||
3 | HNHA | 2 mM omega-MVIIA-Gly U-15N | 93% H2O, 7% D20 | 6.0 | ambient | 283 | ||
4 | HNHB | 2 mM omega-MVIIA-Gly U-15N | 93% H2O, 7% D20 | 6.0 | ambient | 283 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 750 |
2 | Bruker | AMX | 500 |
3 | Bruker | AMX | 600 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing in torsion angle space | The structures are based on 249 non-reduncant NOE-derived distance restraints, 9 distance restraints from the three disulfide bonds, 16 distance restraints from hydrogen bonds, 19 dihedral angle restraints. | NMRPipe |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 20 |
Representative Model | 9 (closest to the average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | processing | NMRPipe | Delaglio et al. | |
2 | data analysis | XEASY | 1.2 | Bartels et al. |
3 | structure solution | DYANA | 1.3 | Guntert et al |
4 | refinement | DYANA | 1.3 | Guntert et al |