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Solution Structure of E. coli NusG carboxyterminal domain
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D 1H-15N HSQC
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
2
2D 1H-13C HSQC
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
3
3D HNCO
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
4
3D HNCA
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
5
3D CBCA(CO)NH
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
6
3D HNCACB
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
7
3D HBHA(CO)NH
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
8
3D HCCH-TOCSY
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
9
3D 1H-15N NOESY
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
10
3D 1H-13C NOESY
0.45 mM [U-95% 13C; U-95% 15N] NusG, 10 mM potassium phosphate, 50 mM sodium chloride
90% H2O/10% D2O
6.4
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AVANCE
800
2
Bruker
AVANCE
900
NMR Refinement
Method
Details
Software
simulated annealing
NMRView
NMR Ensemble Information
Conformer Selection Criteria
structures with the lowest energy
Conformers Calculated Total Number
120
Conformers Submitted Total Number
20
Representative Model
1 (lowest energy)
Additional NMR Experimental Information
Details
The protein shows aggregation via the aminoterminal domain, and the resulting line broading of the signals of the aminoterminal domain did not allow a structure determination of the aminoterminal domain using the full length protein. Becuase of flexible linked domains the carboxyterminal
domain showed sufficient signals to determine the structure of this domain
using the full length protein. Only the carboxyterminal domain (res. 124-181) gave interpretable NMR data for assignment and structure determination.