Solution structure of ShK-like immunomodulatory peptide from Brugia malayi (filarial worm)
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-15N HSQC | 0.8 mM entity, 10 mM sodium phosphate | 90% H2O/10% D2O | 4.8 | ambient | 293 | ||
2 | 2D 1H-13C HSQC | 0.8 mM entity, 10 mM sodium phosphate, 100 % D2O | 100% D2O | 4.8 | ambient | 293 | ||
3 | 2D 1H-1H NOESY | 0.8 mM entity, 10 mM sodium phosphate | 90% H2O/10% D2O | 4.8 | ambient | 293 | ||
4 | 2D 1H-1H NOESY | 0.8 mM entity, 10 mM sodium phosphate | 90% H2O/10% D2O | 5.8 | ambient | 293 | ||
5 | 2D 1H-1H TOCSY | 0.8 mM entity, 10 mM sodium phosphate | 90% H2O/10% D2O | 4.8 | ambient | 293 | ||
6 | 2D DQF-COSY | 0.8 mM entity, 10 mM sodium phosphate, 100 % D2O | 100% D2O | 4.8 | ambient | 293 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
2 | Bruker | AVANCE | 800 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | CcpNmr |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 30 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | chemical shift assignment | CcpNmr | CCPN | |
2 | collection | TopSpin | 3.2 | Bruker Biospin |
3 | refinement | XPLOR_NIH | BRUNGER |