Solution Structure of 3,4-Dihydroxy-2-Butanone 4-Phosphate Synthase of Riboflavin Biosynthesis
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D NOESY | 2mM DHBPS U-15N,13C, 50mmol NaPO4, pH 6, | 10%D2O, 90%H20 | 50mM NaPO4 | 6.0 | 1 atm | 313 | |
| 2 | 3D_13C-separated_NOESY | 2mM DHBPS U-15N,13C, 50mmol NaPO4, pH 6, | 10%D2O, 90%H20 | 50mM NaPO4 | 6.0 | 1 atm | 313 | |
| 3 | 3D_15N-separated_NOESY | 2mM DHBPS U-15N,13C, 50mmol NaPO4, pH 6, | 10%D2O, 90%H20 | 50mM NaPO4 | 6.0 | 1 atm | 313 | |
| 4 | DQF-COSY | 2mM DHBPS U-15N,13C, 50mmol NaPO4, pH 6, | 10%D2O, 90%H20 | 50mM NaPO4 | 6.0 | 1 atm | 313 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 750 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | 730 NOE-derived distance constraints, 230 dihedral angle restraints, 40 distance restraints from hydrogen bonds | ANSIG |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 200 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | ANSIG | 3.0 | Kraulis |
| 2 | processing | Azara | 3.3 | Boucher |
| 3 | structure solution | X-PLOR | 3.1 | Brunger |
| 4 | refinement | X-PLOR | 3.1 | Brunger |
