2HO9

Solution Structure of chemotaxi protein CheW from Escherichia coli

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1mM ArsC U-15N, 13C; 30mM Tris 30mM NaCl buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	60mM	7.3	ambient	298
2	3D_15N-separated_NOESY	1mM ArsC U-15N, 13C; 30mM Tris 30mM NaCl buffer; 90% H2O, 10% D2O	90% H2O/10% D2O	60mM	7.3	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing molecular dynamics		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 3D heteronuclear techniques

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	processing	NMRPipe	2.1	Frank Delaglio
3	data analysis	NMRView	5	Bruce Johnson
4	structure solution	CYANA	1.0.6	Peter Gunter
5	refinement	Amber	7.0	David Case