Solution Structure of the C-terminal Domain of Thermosynechococcus elongatus KaiA (ThKaiA180C); Ensemble of 25 Structures
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_15N-separated_NOESY | 1.3 mM ThKaiA180C U-15N, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 2 | 4D_13C-separated_NOESY | 1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer | 100% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 3 | 3D 13C-edited, 12C filtered NOESY | 1.0 mM ThKaiA180C U-15N,U-13C, 1.0 mM ThKaiA180C NA-N,Na-C, 20 mM NaCl, 20 mM phosphate buffer | 100% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 4 | HACAHB | 1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer | 100% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 5 | HNHB | 1.3 mM ThKaiA180C U-15N, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 6 | BRCTCO/CN | 1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer | 100% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 7 | CBCA(CO)NH | 1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| 8 | CBCANH | 1.3 mM ThKaiA180C U-15N,U-13C, 20 mM NaCl, 20 mM phosphate buffer, 95% H2O, 5% D2O | 95% H2O/5% D2O | 20 mM NaCl, 20 mM NaPi | 7.0 | ambient | 323 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 600 |
| 2 | Varian | INOVA | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Distance geometry, Simulating annealing, Radius-of-gyration, Carbon chemical shift and conformational database potential refinement | The structure is based on 2207 restraints per monomeric unit of which 1740 are NOE restraints. | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 25 |
| Representative Model | 13 (closest to the average) |
| Additional NMR Experimental Information | |
|---|---|
| Details | This is the oxidized form of the protein. A disulfide bond connects residue C96 of each monomeric unit. |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | NMRPipe | 2.1 Rev 2002.044.17.08 | Delaglio |
| 2 | data analysis | PIPP | 4.2.6 | Garrett |
| 3 | structure solution | XPLOR-NIH | 2.9.1 | Clore |
| 4 | collection | VNMR | 6.1 Rev. C | Varian Assoc. |
| 5 | refinement | XPLOR-NIH | 2.9.1 | Clore |
