2F63

Solution structure of HPPK in complex with inhibitor analogs AMPCPP and HP-1

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.6 mM HPPK,U-15N,13C;20 mM sodium phosphate, pH 7.4; 15mM MgCl2 ,10mM AMPCPP and saturated HP-1(ca 0.5 M); 0.05 mM DSS;5% D2O, 95%H2O.	5% D2O, 95%H2O	20 mM sodium phosphate,15mM MgCl2	7.4	ambient	298
2	3D_13C-separated_NOESY	1.6 mM HPPK,U-15N,13C;20 mM sodium phosphate, pH 7.4; 15mM MgCl2 ,10mM AMPCPP and saturated HP-1(ca 0.5 M); 0.05 mM DSS;5% D2O, 95%H2O.	5% D2O, 95%H2O	20 mM sodium phosphate,15mM MgCl2	7.4	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics	A total of 4953 structurally useful distance restraints were used for the calculation, of which 3557 were unambiguous restraints, 1396 ambiguous.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	21
Representative Model	1 (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	collection	VNMR	6.1B	Varian
2	processing	NMRPipe		Delaglio
3	data analysis	NMRView	5.0.4	Johnson
4	refinement	ARIA	1.2	Linge
5	structure solution	CNS	1.0	Brunger