1SW8

Solution structure of the N-terminal domain of Human N60D calmodulin refined with paramagnetism based strategy

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 Calmodulin U-15N-13C, 20 mM MES, 400 mM KCl, 90% H20, 10% D20	90%H20, 10% D20	400 mM KCl	6.5	ambient	300
2	3D_15N-separated_NOESY	1 mM Calmodulin U-15N, 20 mM MES, 400 mM KCl, 90% H20, 10% D20	90%H20, 10% D20	400 mM KCl	6.5	ambient	300
3	2D NOESY	1 mM Calmodulin U-15N, 20 mM MES, 400 mM KCl, 90% H20, 10% D20	90%H20, 10% D20	400 mM KCl	6.5	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	700
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing, torsion angle dynamics	refinement with pseudocontact shifts	XWINNMR 3.1

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	The structure was calculated using dimagnetic, dihedral angle restraints and pseudocontact shifts

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XWINNMR 3.1	3.1
2	processing	XWINNMR 3.1	3.1
3	data analysis	XEASY	1.3
4	structure solution	DYANA
5	refinement	DYANA