1TVM

NMR structure of enzyme GatB of the galactitol-specific phosphoenolpyruvate-dependent phosphotransferase system


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D NOESY1 mM U-15N,13C GatB, 100 mM phosphate buffer, 75 mM KCl, 75 mM NaCl, 1 mM DTT, 1 mM sodium azide, 100 % D2O100% D2O100 mM Phosphate, 75 mM NaCl, 75 mM KCl6.8ambient298
2Mother-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 % D2O100% D2O100 mM Phosphate, 75 mM NaCl, 75 mM KCl6.8ambient298
33D_15N-separated_NOESY1 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 % D2O90% H2O/10% D2O100 mM Phosphate, 75 mM NaCl, 75 mM KCl6.8ambient298
4IPAP-HSQC1 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 % D2O90% H2O/10% D2O100 mM Phosphate, 75 mM NaCl, 75 mM KCl6.8ambient298
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAvance600
NMR Refinement
MethodDetailsSoftware
simulated annealingthe 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
Conformer Selection Criteriastructures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number100
Conformers Submitted Total Number20
Representative Model1 (closest to the average)
Additional NMR Experimental Information
DetailsThis structure was determined using standard 2D homonuclear and 3D heteronuclear techniques.
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXWINNMR3.5
2processingXWINNMR3.5
3processingNMRView4.0
4data analysisSparky3.106
5refinementTALOS2003.027.13.05BAX
6refinementCNS1.1Brunger