1EZT

HIGH-RESOLUTION SOLUTION STRUCTURE OF FREE RGS4 BY NMR

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	1 mM RGS4 U-15N,13C; 50mM phosphate buffer, 2 mM NaN3, 50 mM deuterated DTT, pH 6.0	100% D2O	50 mM K	6.0	ambient	303
2	3D_15N-separated_NOESY	1 mM RGS4 U-15N; 50mM phosphate buffer, 2 mM NaN3, 50 mM deuterated DTT, pH 6.0	90% H2O/10% D2O	50 mM K	6.0	ambient	303
3	HNHA	1 mM RGS4 U-15N; 50mM phosphate buffer, 2 mM NaN3, 50 mM deuterated DTT, pH 6.0	90% H2O/10% D2O	50 mM K	6.0	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	600

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	The structure is based on a total of 2871 restraints, 1960 approximate interproton distance restraints, 78 distance restraints for 39 backbone hydrogen bonds, 431 torsion angle restraints, 132 3JHNa restraints, 136 Ca and 134 Cb chemical shift restraints. Structure also refined with conformational database target function.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	3.840	Brunger
2	processing	NMRPipe	1.7	Delaglio
3	data analysis	PIPP	4.2.8	Garrett
4	collection	XwinNMR	2.0	Bruker
5	refinement	X-PLOR	3.840	Brunger