2PQE

Solution structure of proline-free mutant of staphylococcal nuclease


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
13D HNCACB1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
23D CBCA(CO)NH1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
33D HNCA1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
43D HN(CO)CA1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
53D HNCO1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
63D HCCH-TOCSY1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
73D 1H-15N NOESY-HSQC1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
83D 1H-13C NOESY-HSQC1 mM [Pro-]SNase, 100 mM KCl and 50 mM deuterated acetate buffer, pH 5.090% H2O/10% D2O100 mM KCl5.0ambient300
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDMX600
NMR Refinement
MethodDetailsSoftware
torsion angle dynamicsXwinNMR
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number200
Conformers Submitted Total Number21
Representative Model1 (minimized average structure)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionXwinNMR3.5Bruker
2data analysisFelix98MSI/Accelrys Inc.
3refinementCNS1.1Brunger
4structure solutionCNS1.1Brunger