Spatial Structure and Membrane Permeabilization for Latarcin-1, a Spider Antimicrobial Peptide
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D TOCSY | 2 mM Ltc1, 120 mM perdeuterated SDS, pH 7.1, salt-free, 90% H2O, 10% D2O | 90% H2O/10% D2O | salt-free | 7.1 | ambient | 318 | |
2 | 2D NOESY | 2 mM Ltc1, 120 mM perdeuterated SDS, pH 7.1, salt-free, 90% H2O, 10% D2O | 90% H2O/10% D2O | salt-free | 7.1 | ambient | 318 | |
3 | 2D NOESY | 2 mM Ltc1, 120 mM perdeuterated SDS, pH 7.1, salt-free | 100% D2O | salt-free | 7.1 | ambient | 318 | |
4 | DQF-COSY | 2 mM Ltc1, 120 mM perdeuterated SDS, pH 7.1, salt-free | 100% D2O | salt-free | 7.1 | ambient | 318 |
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 |
torsion angle dynamics | In total, 146 distance and 127 torsion angle constraints were used | CYANA |
NMR Ensemble Information | |
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Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (fewest violations) |
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 | refinement | CYANA | 1.0.6. | Guentert P. |
2 | collection | XwinNMR | 3.1.a | BRUKER |
3 | data analysis | XEASY | 40300000 | Xia & Bartels |
4 | refinement | FANMEM | 4.1 | Nolde, Arseniev, Vergoten, Efremov |