1ZTR
Solution structure of Engrailed homeodomain L16A mutant
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | U-15N, 50mM D-acetate, 100mM NaCl, 7% D2O | 93% H2O/7% D2O | 150mM | 5.7 | ambient | 278 | |
| 2 | 3D_15N-separated_NOESY | U-15N, 50mM D-acetate, 100mM NaCl, 7% D2O | 93% H2O/7% D2O | 150mM | 5.7 | ambient | 278 | |
| 3 | 2D NOESY | U-15N, 100%D, 50mM D-acetate, 100mM NaCl, 7% D2O | 93% H2O/7% D2O | 150mM | 5.7 | ambient | 278 | |
| 4 | 2D NOESY | U-15N, 100%D, Phe, Tyr-backprotonated, 50mM D-acetate, 100mM NaCl, 7% D2O | 93% H2O/7% D2O | 150mM | 5.7 | ambient | 278 | |
| 5 | HSQC-NOESY-HSQC, 600ms mixing time | U-15N, 100%D, 50mM D-acetate, 100mM NaCl, 7% D2O | 93% H2O/7% D2O | 150mM | 5.7 | ambient | 278 | |
| 6 | 3D_13C-separated_NOESY | U-15N, 13C, 50mM D-acetate, 100mM NaCl, 7% D2O | 93% H2O/7% D2O | 150mM | 5.7 | ambient | 278 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 800 |
| 2 | Bruker | DRX | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | The structure is based on 861 NOE-derived distance constraints , including 91 long range NOEs. | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 50 |
| Conformers Submitted Total Number | 25 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | NMRPipe | 2004-04-12 | Delaglio et al |
| 2 | data analysis | Sparky | 3.106 | Goddard et al |
| 3 | structure solution | CNS | 1.1 | Brunger et al |
| 4 | refinement | CNS | 1.1 | Brunger et al |
