2AHQ

Solution Structure of the C-terminal RpoN Domain of Sigma-54 from Aquifex aeolicus


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
13D_15N-separated_NOESY0.8 mM Sigma-54 U-15N; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D2090% H20; 10% D2050 mM Hepes; 250 mM NaCl6.8ambient298
23D_N15-seperated_TOCSY0.8 mM Sigma-54 U-15N; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D2090% H20; 10% D2050 mM Hepes; 250 mM NaCl6.8ambient298
3HNCA-J0.8 mM Sigma-54 U-15N U-13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D2090% H20; 10% D2050 mM Hepes; 250 mM NaCl6.8ambient298
4HCCH-TOCSY0.8 mM Sigma-54 U-15N U-13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D2090% H20; 10% D2050 mM Hepes; 250 mM NaCl6.8ambient298
53D_13C-separated_NOESY0.8 mM Sigma-54 U-15N U-13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D2090% H20; 10% D2050 mM Hepes; 250 mM NaCl6.8ambient298
62D_C13-HSQC0.8 mM Sigma-54 U-15N U-10% 13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D2090% H20; 10% D2050 mM Hepes; 250 mM NaCl6.8ambient298
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerDRX600
NMR Refinement
MethodDetailsSoftware
torsion angle dynamicsStructures are based on a total 1064 restraints: 956 distance and 108 dihedral angleNMRPipe
NMR Ensemble Information
Conformer Selection Criteriatarget function
Conformers Calculated Total Number150
Conformers Submitted Total Number20
Representative Model1 (lowest dyana target function)
Additional NMR Experimental Information
DetailsOther experiments performed and used for chemical shift assignments and obtaining restraints: CBCA(CO)NH, DQF-COSY, CC(CO)NH, H/D Exchange via N15-HSQC, HNHA - J couplings
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1processingNMRPipe2.3Delaglio et al. (1995)
2data analysisNMRView5.0.4Johnson & Blevins (1994)
3structure solutionDYANA1.5Guntert et al. (1997)
4refinementDYANA1.5Guntert et al. (1997)