1G1Z
NMR Solution Structures of delta-Conotoxin EVIA from Conus ermineus that Selectively Acts on Vertebrate Neuronal Na+ Channels, LEU12-PRO13 Cis isomer
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | NOESY | 2 mM conotoxin EVIA; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.01 | 3.0 | ambient | 283 | |
2 | DQF-COSY | 2 mM conotoxin EVIA; 90% H2O, 10% D2O | 90% H2O/10% D2O | 0.01 | 3.0 | ambient | 283 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 500 |
NMR Refinement | ||
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Method | Details | Software |
hybrid distance geometry dynamical simulated annealing with the allhdg force field and simulated annealing with the CHARMM22 force field | the structures are based on a total of 257 restraints, 211 are NOE-derived distance constraints, 24 dihedral angle restraints, 22 distance restraints from hydrogen bonds. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
Conformers Calculated Total Number | 30 |
Conformers Submitted Total Number | 18 |
Representative Model | 14 (closest to the average) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear techniques |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 | Bruker |
2 | data analysis | Gifa | 4.22 | Delsuc |
3 | refinement | X-PLOR | 3.851 | Brunger |
4 | refinement | CHARMM | 22 | Brooks |