Structural and functional analysis of TM XI of the NHE1 isoform of thE NA+/H+ exchanger
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D DQF-COSY | 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 | 95% H2O/5% D2O | 5 | ambient | 303 | ||
| 2 | 2D 1H-1H TOCSY | 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 | 95% H2O/5% D2O | 5 | ambient | 303 | ||
| 3 | 2D 1H-1H NOESY | 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 | 95% H2O/5% D2O | 5 | ambient | 303 | ||
| 4 | 2D 1H-13C HSQC | 150 mM DPC-1, 0.25 mM DSS-2, 2 mM TMXI-3 | 95% H2O/5% D2O | 5 | ambient | 303 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 800 |
| 2 | Varian | INOVA | 500 |
| 3 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | 10 rounds of simulated annealing and restraint refinement, followed by further rounds of refinment including dihedral angle restraints. | X-PLOR NIH |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 40 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | structure solution | X-PLOR NIH | 2.19 | Schwieters, Kuszewski, Tjandra and Clore |
| 2 | refinement | X-PLOR NIH | 2.19 | Schwieters, Kuszewski, Tjandra and Clore |
| 3 | collection | VnmrJ | Varian | |
| 4 | processing | NMRView | Johnson, One Moon Scientific | |
| 5 | processing | NMRPipe | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax | |
