2N1S
Spatial Structure of Antimicrobial Peptide SmAMP2-2c from Seeds of Stellaria media
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D DQF-COSY | 0.8 mM SmAMP2-2c, 20 mM sodium acetate, 30 mM sodium chloride | 100% D2O | 0.08 | 4.5 | ambient | 303 | |
2 | 2D 1H-13C HSQC | 0.8 mM SmAMP2-2c, 20 mM sodium acetate, 30 mM sodium chloride | 100% D2O | 0.08 | 4.5 | ambient | 303 | |
3 | 2D 1H-1H NOESY | 2 mM SmAMP2-2c, 10 mM sodium acetate, 70 mM sodium chloride | 90% H2O/10% D2O | 0.08 | 4.5 | ambient | 303 | |
4 | 2D 1H-1H TOCSY | 2 mM SmAMP2-2c, 10 mM sodium acetate, 70 mM sodium chloride | 90% H2O/10% D2O | 0.05 | 4.5 | ambient | 313 | |
5 | 2D 1H-1H TOCSY | 0.8 mM SmAMP2-2c, 20 mM sodium acetate, 30 mM sodium chloride | 90% H2O/10% D2O | 0.08 | 4.5 | ambient | 303 | |
6 | 2D 1H-1H TOCSY | 0.8 mM SmAMP2-2c, 20 mM sodium acetate, 30 mM sodium chloride | 90% H2O/10% D2O | 0.05 | 4.5 | ambient | 283 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | DRX | 700 |
3 | Bruker | DRX | 800 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | Molmol |
NMR Ensemble Information | |
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Conformer Selection Criteria | target function |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (fewest violations) |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | molecule viewer | Molmol | Koradi, Billeter and Wuthrich | |
2 | structure solution | CYANA | 2.1 | Guntert, Braun and Wuthrich |
3 | j-coupling measurement | ACME | Delaglio, Zhengrong and Bax | |
4 | data analysis | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
5 | chemical shift assignment | CARA | Keller and Wuthrich | |
6 | refinement | CYANA | Keller and Wuthrich |