STRUCTURE OF THE BOVINE ANTIMICROBIAL PEPTIDE INDOLICIDIN BOUND TO SODIUM DODECYL SULFATE MICELLES
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 2 mM indolicidin, 240 mM sodium dodecyl sulfate | 10 mM phosphate buffer; 90% H2O, 10% D2O | 240 mM SDS | 4.7 | ambient | 310 | |
2 | DQF-COSY | 2 mM indolicidin, 240 mM sodium dodecyl sulfate | 10 mM phosphate buffer; 90% H2O, 10% D2O | 240 mM SDS | 4.7 | ambient | 310 | |
3 | 2D TOCSY | 2 mM indolicidin, 240 mM sodium dodecyl sulfate | 10 mM phosphate buffer; 90% H2O, 10% D2O | 240 mM SDS | 4.7 | ambient | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AMX | 600 |
2 | Varian | UNITY | 500 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry and simulated annealing | The structures are based on 129 (non-redundant) NOE-derived distance restraints, 47 inter-residue and 82 intra-residue | NMRPipe |
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 | 100 |
Conformers Submitted Total Number | 16 |
Representative Model | 16 (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 | processing | NMRPipe | Delaglio | |
2 | data analysis | NMRView | 4.0.3 | Johnson |
3 | refinement | X-PLOR | 3.851 | Brunger |