2GJF

NMR structure of the computationally designed procarboxypeptidase-A (1AYE) domain

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM AYE, 50mM phosphate buffer, pH 7.0, 100mM KCl, 90% H2O, 10% D2O	90% H2O/10% D2O	150mM	7.0	AMBIENT	298
2	2D NOESY	1mM AYE, 50mM phosphate buffer, pH 7.0, 100mM KCl	100% D2O	150mM	7.0	AMBIENT	298
3	3D_13C-separated_NOESY	1mM AYE U-15N, 13C, 50mM phosphate buffer, pH 7.0, 100mM KCl, 90% H2O, 10% D2O	90% H2O/10% D2O	150mM	7.0	AMBIENT	298
4	3D_15N-separated_NOESY	1mM AYE U-15N, 50mM phosphate buffer, pH 7.0, 100mM KCl, 90% H2O, 10% D2O	90% H2O/10% D2O	150mM	7.0	AMBIENT	298
5	3D_13C-filtered_NOESY	1.4mM AYE U-15N, 13C, 1.4mM 14N,12C AYE, 50mM phosphate buffer, pH 7.0, 100mM KCl,100% D2O	100% D2O	150mM	7.0	AMBIENT	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Bruker	DRX	500
3	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Additional NMR Experimental Information
Details	Hydrogen bond restraints were derived from D2O protection analysis. Torsion angle restraints were derived from TALOS predictions

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CYANA	2.1	P.Guntert et al.
2	structure solution	CYANA	2.1	P.Guntert et al.
3	data analysis	TALOS		G. Cornilescu et al.
4	processing	NMRPipe	2.3	F. Delaglio et al.
5	data analysis	Sparky	3.112	T. Goddard and D. Kneller