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SOLUTION STRUCTURE AND FUNCTION OF A CONSERVED PROTEIN SP14.3 ENCODED BY AN ESSENTIAL STREPTOCOCCUS PNEUMONIAE GENE
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY, TOCSY
1 mM SP14.3 15N-labeled, 15N,13C-labeled, and 15N,13C,2H-labeled with selectively protonated methyl groups. 50 mM BisTris HCl, pH 6.5,
50 mM ammonium sulphate.
90% H2O/10% D2O
6.5
ambient
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
600
2
Bruker
DRX
800
NMR Refinement
Method
Details
Software
distance geometry/simulated annealing protocol
in-house software
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number
1
Representative Model
(minimized average structure)
Additional NMR Experimental Information
Details
The structure was determined using triple-resonance NMR spectroscopy.