2K72
Solution NMR structure of toxin-like potassium channel blocking domain in MMP23
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D 1H-1H TOCSY | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 278 | ||
2 | 2D 1H-1H NOESY | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 278 | ||
3 | 2D DQF-COSY | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 293 | ||
4 | 2D 1H-13C HSQC | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 293 | ||
5 | 2D 1H-15N HSQC | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 293 | ||
6 | 2D 1H-1H TOCSY | 2.2 mM MMP23-BgK | 100% D2O | 5.00 | ambient | 278 | ||
7 | 2D 1H-1H NOESY | 2.2 mM MMP23-BgK | 100% D2O | 5.00 | ambient | 278 | ||
8 | 2D 1H-1H TOCSY | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 293 | ||
9 | 2D 1H-1H NOESY | 2.25 mM MMP23-BgK | 94% H2O/6% D2O | 5.00 | ambient | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | AVANCE | 500 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
simulated annealing | X-PLOR NIH |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 200 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | refinement | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
2 | structure solution | X-PLOR NIH | Schwieters, Kuszewski, Tjandra and Clore | |
3 | processing | XEASY | 1.3.13 | Bartels et al. |
4 | collection | XEASY | 1.3.13 | Bartels et al. |
5 | processing | TopSpin | 1.3 | Bruker Biospin |
6 | collection | TopSpin | 1.3 | Bruker Biospin |
7 | structure solution | CYANA | Guntert, Mumenthaler and Wuthrich | |
8 | refinement | TALOS | Cornilescu, Delaglio and Bax |