The cysteine-rich secretory protein domain of Tpx-1 is related to ion channel toxins and regulates Ryanodine receptor Ca2+ signaling
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_15N-separated_NOESY | 1mM TpX-1 U-15N 90% H2O 10% D2O | 1mM | 5.8 | ambient | 298 | ||
| 2 | 3D_15N-separated TOCSY | 1mM TpX-1 U-15N 90% H2O 10% D2O | 1mM | 5.8 | ambient | 298 | ||
| 3 | 2D NOESY | 1mM TpX-1 90% H2O 10% D2O | 1mM | 5.8 | ambient | 298 | ||
| 4 | 2D TOCSY | 1mM TpX-1 100% D2O | 1mM | 5.8 | ambient | 298 | ||
| 5 | DQF-COSY | 1mM TpX-1 100% D2O | 1mM | 5.8 | ambient | 298 | ||
| 6 | 2D NOESY | 1mM TpX-1 100% D2O | 1mM | 5.8 | ambient | 298 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| 2 | Bruker | DRX | 500 |
| 3 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Automated Resonance assignment using Torsion Angle Dynamics (CANDID), Further refinement with CA and CB chem shifts and database potentials | NOES: 187 intra 251 short 253 med 188 long. 78 Chem shifts | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | violations <0.2A NOE, total energy |
| Conformers Calculated Total Number | 49 |
| Conformers Submitted Total Number | 23 |
| Representative Model | 1 (lowest target function) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Standard 2D/3D methods |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | 1 | Bruker |
| 2 | processing | XwinNMR | 1 | Bruker |
| 3 | data analysis | Sparky | 3.101 | Goddard Keller |
| 4 | refinement | CYANA | 1.06 | Guntert |
| 5 | refinement | XPLOR-NIH | 2.9.9 | Clore Schwieters Kuszewski Tjandra |
