NMR STRUCTURE OF GLUTAMATE MUTASE (B12-BINDING SUBUNIT) COMPLEXED WITH THE VITAMIN B12 NUCLEOTIDE
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D_NOESY | 1.5mM MutS U-15N; 18.0mM B12-Nucleotide; 10mM potassium phosphate buffer; 90% H2O, 10%D2O | 90% H2O/10% D2O | 10mM potassium phosphate | 6.0 | ambient | 299 | |
| 2 | 3D_15N-separated_NOESY | 1.5mM MutS U-15N; 18.0mM B12-Nucleotide; 10mM potassium phosphate buffer; 90% H2O, 10%D2O | 90% H2O/10% D2O | 10mM potassium phosphate | 6.0 | ambient | 299 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | UNITYPLUS | 500 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| restrained simulated annealing, molecular dynamics, energy minimazation | ANSIG | |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the least restraint violations |
| Conformers Calculated Total Number | 30 |
| Conformers Submitted Total Number | 15 |
| Representative Model | 9 (fewest violations) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | ANSIG | 3.3 | Kraulis |
| 2 | processing | NMRPipe | Delaglio | |
| 3 | refinement | X-PLOR | 3.1 | Brunger |
