1TVM
NMR structure of enzyme GatB of the galactitol-specific phosphoenolpyruvate-dependent phosphotransferase system
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 2D NOESY | 1 mM U-15N,13C GatB, 100 mM phosphate buffer, 75 mM KCl, 75 mM NaCl, 1 mM DTT, 1 mM sodium azide, 100 % D2O | 100% D2O | 100 mM Phosphate, 75 mM NaCl, 75 mM KCl | 6.8 | ambient | 298 | |
2 | Mother-NOESY (1H-13C region) | 1 mM U-15N,13C GatB, 100 mM phosphate buffer, 75 mM KCl, 75 mM NaCl, 1 mM DTT, 1 mM sodium azide, 100 % D2O | 100% D2O | 100 mM Phosphate, 75 mM NaCl, 75 mM KCl | 6.8 | ambient | 298 | |
3 | 3D_15N-separated_NOESY | 1 mM U-15N,13C GatB, 100 mM phosphate buffer, 75 mM KCl, 75 mM NaCl, 1 mM DTT, 1 mM sodium azide, 90% H2O, 10 % D2O | 90% H2O/10% D2O | 100 mM Phosphate, 75 mM NaCl, 75 mM KCl | 6.8 | ambient | 298 | |
4 | IPAP-HSQC | 1 mM U-15N,13C GatB, 100 mM phosphate buffer, 75 mM KCl, 75 mM NaCl, 1 mM DTT, 1 mM sodium azide, 5 mg/ml of Pf1 phage, 90% H2O, 10 % D2O | 90% H2O/10% D2O | 100 mM Phosphate, 75 mM NaCl, 75 mM KCl | 6.8 | ambient | 298 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AVANCE | 600 |
NMR Refinement | ||
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Method | Details | Software |
simulated annealing | the structures are based on a total of 1377 restraints: 1119 NOE-derived distance constraints, 120 dihedral angle restraints, 56 distance restraints from hydrogen bonds (28 hydrogen bonds), and 82 15N-1H residual dipolar couplings. | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations, structures with the lowest energy |
Conformers Calculated Total Number | 100 |
Conformers Submitted Total Number | 20 |
Representative Model | 1 (closest to the average) |
Additional NMR Experimental Information | |
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Details | This structure was determined using standard 2D homonuclear and 3D heteronuclear techniques. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.5 | |
2 | processing | XwinNMR | 3.5 | |
3 | processing | NMRView | 4.0 | |
4 | data analysis | Sparky | 3.106 | |
5 | refinement | TALOS | 2003.027.13.05 | BAX |
6 | refinement | CNS | 1.1 | Brunger |