Seeing the Invisible: Structures of Excited Protein States by Relaxation Dispersion NMR
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 15N CT-CW,TROSY,anti-TROSY CPMG | ~1.5 mM [90 % U 2H; ~100% U 15N] Abp1p, ~0.105 mM [90% U 2H; ~100% U 15N] Ark1p | 90% H2O/10% D2O | ~0.150 | 7.0 | ambient | 278 | |
| 2 | 15N CT-CW,TROSY,anti-TROSY CPMG | ~1.5 mM [90 % U 2H; ~100% U 15N] Abp1p, ~0.105 mM Ark1p | 90% H2O/10% D2O | ~0.150 | 7.0 | ambient | 278 | |
| 3 | 13CO CT-inphase,TROSY,anti-TROSY CPMG | ~1.5 mM [90 % U 2H; ~100% U 15N; 13CO labeled] Abp1p, ~0.105 mM Ark1p | 90% H2O/10% D2O | ~0.150 | 7.0 | ambient | 278 | |
| 4 | 13CA CT-CW,TROSY,anti-TROSY CPMG | ~1.5 mM [90 % U 2H; ~100% U 15N; 13Ca labeled] Abp1p, ~0.105 mM Ark1p | 100% D2O | ~0.150 | 7.0 | ambient | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 800 |
| 3 | Varian | INOVA | 600 |
| 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 | 960 |
| Conformers Submitted Total Number | 10 |
| 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 |
