Experiment: 1XX3

Solution Structure of Escherichia coli TonB-CTD

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.0 mM TonB-CTD U-15N,13C; 50 mM Sodium Phosphate buffer; 100 mM NaCl; 600 uM Sodium Azide, 90% H2O 10% D2O	90% H2O/10% D2O	100 mM Sodium Chloride, 50 mM Sodium Phosphate	7.0	1 atm	298
2	3D_13C-separated_NOESY	1.0 mM TonB-CTD U-15N,13C; 50 mM Sodium Phosphate buffer; 100 mM NaCl; 600 uM Sodium Azide, 90% H2O 10% D2O	90% H2O/10% D2O	100 mM Sodium Chloride, 50 mM Sodium Phosphate	7.0	1 atm	298
3	3D_15N-separated_NOESY	1.0 mM TonB-CTD U-15N; 50 mM Sodium Phosphate buffer; 100 mM NaCl ; 600 uM Sodium Azide; pH 7.0, 90% H2O 10% D2O	90% H2O/10% D2O	100 mM Sodium Chloride, 50 mM Sodium Phosphate	7.0	1 atm	298
4	3D_13C-separated_NOESY	1.0 mM TonB-CTD U-15N; 50 mM Sodium Phosphate buffer; 100 mM NaCl ; 600 uM Sodium Azide; pH 7.0, 90% H2O 10% D2O	90% H2O/10% D2O	100 mM Sodium Chloride, 50 mM Sodium Phosphate	7.0	1 atm	298
5	3D_15N-separated_NOESY	1.0 mM TonB-CTD U-15N; 50 mM Sodium Phosphate buffer; 100 mM NaCl; 600 uM Sodium Azide; pH 7.0	100% D2O	100 mM Sodium Chloride, 50 mM Sodium Phosphate	7.0	1 atm	298
6	3D_13C-separated_NOESY	1.0 mM TonB-CTD U-15N; 50 mM Sodium Phosphate buffer; 100 mM NaCl; 600 uM Sodium Azide; pH 7.0	100% D2O	100 mM Sodium Chloride, 50 mM Sodium Phosphate	7.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
This structure was refined using standard Aria2.0 protocols (distance geometry,simulated annealing, torsion angle dynamics, water refinement)	The structures are based on a total of 2711 restraints, 2544 of which are NOE-derived, 21 of which are hydrogen bond restraints, and 146 of which are dihedral angle restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	This structure was determined using standard triple-resonance NMR spectroscopy techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.0, 3.5	Bruker
2	processing	NMRPipe	2.3 Rev 2004.194.17.02	Frank Delaglio
3	data analysis	NMRView	5.0.4	Bruce Johnson
4	data analysis	ARIA	2.0	Michael Nilges et al.
5	refinement	CNS	1.1	Axel Brunger et al.