1IM1
NMR SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1, 20 STRUCTURES
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | TOCSY | 90% H2O/10% D2O OR 100% D2O | 3.0 | 298 | ||||
2 | ROESY | 90% H2O/10% D2O OR 100% D2O | 3.0 | 298 | ||||
3 | DQF-COSY | 90% H2O/10% D2O OR 100% D2O | 3.0 | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX500 | 500 |
2 | Bruker | DRX300 | 300 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
DISTANCE GEOMETRY, RESTRAINED ENERGY REFINEMENT | FOR THE PRESENT STRUCTURES THE NMR DISTANCE CONSTRAINTS WERE WEIGHTED SUCH THAT A VIOLATION OF AN UPPER DISTANCE LIMIT OF 0.1 ANGSTROM CORRESPONDS TO AN ENERGY OF KT/2. THE CONSTRAINTS ON DIHEDRAL ANGLES RESULTING FROM MEASUREMENTS OF VICINAL COUPLING CONSTANTS WERE WEIGHTED SUCH THAT A VIOLATION OF 2.5 DEGREES CORRESPONDS TO AN ENERGY OF KT/2. | OPAL |
NMR Ensemble Information | |
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Conformer Selection Criteria | LOWEST RESIDUAL TARGET FUNCTION |
Conformers Calculated Total Number | 20 |
Conformers Submitted Total Number | 20 |
Representative Model | 3 (n/a) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | OPAL | LUGINBUHL,GUNTERT,BILLETER, WUTHRICH | |
2 | structure solution | DYANA | ||
3 | structure solution | OPAL |