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Solution Structure of the C-terminal RpoN Domain of Sigma-54 from Aquifex aeolicus
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D_15N-separated_NOESY
0.8 mM Sigma-54 U-15N; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D20
90% H20; 10% D20
50 mM Hepes; 250 mM NaCl
6.8
ambient
298
2
3D_N15-seperated_TOCSY
0.8 mM Sigma-54 U-15N; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D20
90% H20; 10% D20
50 mM Hepes; 250 mM NaCl
6.8
ambient
298
3
HNCA-J
0.8 mM Sigma-54 U-15N U-13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D20
90% H20; 10% D20
50 mM Hepes; 250 mM NaCl
6.8
ambient
298
4
HCCH-TOCSY
0.8 mM Sigma-54 U-15N U-13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D20
90% H20; 10% D20
50 mM Hepes; 250 mM NaCl
6.8
ambient
298
5
3D_13C-separated_NOESY
0.8 mM Sigma-54 U-15N U-13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D20
90% H20; 10% D20
50 mM Hepes; 250 mM NaCl
6.8
ambient
298
6
2D_C13-HSQC
0.8 mM Sigma-54 U-15N U-10% 13C; 50 mM Hepes; 250 mM NaCl; 1 mM EDTA; 90% H20; 10% D20
90% H20; 10% D20
50 mM Hepes; 250 mM NaCl
6.8
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
600
NMR Refinement
Method
Details
Software
torsion angle dynamics
Structures are based on a total 1064 restraints: 956 distance and 108 dihedral angle
NMRPipe
NMR Ensemble Information
Conformer Selection Criteria
target function
Conformers Calculated Total Number
150
Conformers Submitted Total Number
20
Representative Model
1 (lowest dyana target function)
Additional NMR Experimental Information
Details
Other 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