2IKD

Solution Structure of the first Clip domain in PAP2

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 Dual-Clip domain U-15N,13C, 100 mM phosphate buffer NA, 90% H2O, 10% D2O	90% H2O/10% D2O		8.0	1 atm	298
2	3D_15N-separated_NOESY	1 mM Dual-Clip domain U-15N,13C, 100 mM phosphate buffer NA, 90% H2O, 10% D2O	90% H2O/10% D2O		8.0	1 atm	298

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

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, molecular dynamics, matrix relaxation, torsion angle dynamics	the structures are based on a total of 889 restraints, 823 are NOE-dirived distance constraints, 28 dihedral angle restraints, 38 distance restraints from hydrogen bonds	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR		Bruker
2	data analysis	Sparky
3	processing	NMRPipe
4	structure solution	CNS	2.1
5	refinement	CNS	2.1