1F7X

SOLUTION STRUCTURE OF C-TERMINAL DOMAIN ZIPA

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 ZipA U-15N,13C; 50mM phosphate buffer; 2 mM NaN3; 50 mM KCl; 100% D2O; pH 5.5	100% D2O	50	5.5	ambient	298
2	3D_15N-separated_NOESY	1 mM ZipA U-15N; 50mM phosphate buffer; 2 mM NaN3; 50 mM KCl; 90% H2O, 10% D2O; pH 5.5	90% H2O/10% D2O	50	5.5	ambient	298
3	HNHA	1 mM ZipA U-15N; 50mM phosphate buffer; 2 mM NaN3; 50 mM KCl; 90% H2O, 10% D2O; pH 5.5	90% H2O/10% D2O	50	5.5	ambient	298
4	2D_15N_HSQC	1 mM ZipA U-15N; 50mM phosphate buffer; 2 mM NaN3; 50 mM KCl; 90% H2O, 10% D2O; pH 5.5	90% H2O/10% D2O	50	5.5	ambient	298

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	The structures are based on a total of 2758 restraints, 2038 are NOE-derived distance constraints, 377 dihedral angle restraints, 84 distance restraints from hydrogen bonds, 113 3JNHa coupling restraints, 230 secondary Ca/Cb chemical shift restraints, and a conformational database.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	30
Representative Model	1F7W (minimized average structure)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	V3.840	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	V3.840	Brunger