Structure of the major extracytoplasmic domain of the trans isomer of the bacterial cell division protein divib from geobacillus stearothermophilus
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_13C-separated_NOESY | 1 mM DivIB, 150 mM NaCl, 10 mM sodium phosphate, 10 micromolar EDTA, 10 micromolar 4-(2-aminoethyl)benzenesulfonyl flouride (AEBSF), 0.02% sodium azide, pH 6.0 | 100% D2O | 0.16 | 6.0 | ambient | 308 | |
| 4 | 3D_15N-separated_NOESY | 1 mM DivIB, 150 mM NaCl, 10 mM sodium phosphate, 10 micromolar EDTA, 10 micromolar 4-(2-aminoethyl)benzenesulfonyl flouride (AEBSF), 0.02% sodium azide, pH 6.0 | 92.5% H2O, 7.5% D2O | 0.16 | 6.0 | ambient | 308 | |
| 5 | HNHA | 1 mM DivIB, 150 mM NaCl, 10 mM sodium phosphate, 10 micromolar EDTA, 10 micromolar 4-(2-aminoethyl)benzenesulfonyl flouride (AEBSF), 0.02% sodium azide, pH 6.0 | 92.5% H2O, 7.5% D2O | 0.16 | 6.0 | ambient | 308 | |
| 6 | HNHB | 1 mM DivIB, 150 mM NaCl, 10 mM sodium phosphate, 10 micromolar EDTA, 10 micromolar 4-(2-aminoethyl)benzenesulfonyl flouride (AEBSF), 0.02% sodium azide, pH 6.0 | 92.5% H2O, 7.5% D2O | 0.16 | 6.0 | ambient | 308 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Varian | INOVA | 500 |
| 2 | Varian | INOVA | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics (CANDID/CYANA) followed by simulated annealing (XPLOR) | The structures are based on a total of 2709 NOE-derived distance restraints, 82 restraints defining 41 hydrogen bonds, and 196 dihedral angle restraints | NMRPipe |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | lowest energy |
| Conformers Calculated Total Number | 60 |
| Conformers Submitted Total Number | 25 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | processing | NMRPipe | 2.2 | Frank Delaglio |
| 2 | data analysis | XEASY | 1.3.13 | Tai-he Xia and Christian Bartels |
| 3 | structure solution | CANDID | 1.1 | Peter Guntert |
| 4 | structure solution | CYANA | 1.1 | Peter Guntert |
| 5 | refinement | XPLOR | 3.1 | Axel T. Brunger |
