1ZZA
Solution NMR Structure of the Membrane Protein Stannin
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_15N-separated_NOESY | 0.5-0.7 mM Stannin U-15N or U-15N/13C; 20 mM phosphate buffer; 600 mM d25-sodium dodecyl sulfate; 90% H2O; 10% D2O; 0.02% sodium azide; 0.7 mM DTT | 90% H2O/10% D2O | 120 mM NaCl | 4.0 | ambient | 333 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 800 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| distance geometry simulated annealing molecular dynamics | structures based on 468 NOE distance constraints, 70 distance restraints from hydrogen bonds | VNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 25 |
| Representative Model | 22 (minimized average structure) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Backbone assignments were made using 3D-TROSY based HNCA, HN(CO)CA, HNCACB, CBCA(CO)NH and HNCO experiments. Side chains and NOEs were assigned with 3D [1H, 15N]-TOCSY-HSQC and 3D [1H,15N]-NOESY-HSQC experiments |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | VNMR | 6.1c | Varian |
| 2 | processing | NMRPipe | 97.027.12.56 | Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax |
| 3 | data analysis | Sparky | 3.111 | Goddard and Kneller |
| 4 | structure solution | X-PLOR | 2.11 | Schwieters, Kuszewski, Tjandra and Clore |
| 5 | refinement | X-PLOR | 2.11 | Schwieters, Kuszewski, Tjandra and Clore |
