1V28
Solution structure of paralytic peptide of the wild Silkmoth, Antheraea yamamai
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | DQF-COSY | 3mM Paralytic peptide; pH 4.4(pH was adjusted by HCl and NaOH); 90% H2O, 10% D2O | 90% H2O/10% D2O | 4.4 | ambient | 293 | ||
2 | 2D TOCSY | 3mM Paralytic peptide; pH 4.4(pH was adjusted by HCl and NaOH); 90% H2O, 10% D2O | 90% H2O/10% D2O | 4.4 | ambient | 293 | ||
3 | 2D NOESY | 3mM Paralytic peptide; pH 4.4(pH was adjusted by HCl and NaOH); 90% H2O, 10% D2O | 90% H2O/10% D2O | 4.4 | ambient | 293 | ||
4 | E-COSY | 3mM Paralytic peptide; pH 4.4(pH was adjusted by HCl and NaOH); 99% D2O | 99% D2O | 4.4 | ambient | 293 | ||
5 | 2D NOESY | 3mM Paralytic peptide; pH 4.4(pH was adjusted by HCl and NaOH); 99% D2O | 99% D2O | 4.4 | ambient | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | JEOL | ALPHA | 600 |
NMR Refinement | ||
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Method | Details | Software |
distance geometry, simulated annealing | the structures are based on a total of 189 restraints, 165 are NOE-derived distance constraints, 12 dihedral angle restraints, 12 distance restraints from hydrogen bonds. | X-PLOR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 25 |
Representative Model | 11 (lowest energy) |
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 | X-PLOR | 3.851 | Michael Nilges, John Kuszewski, Axel T. Brunger |