1X32

Three Dimensional Solution Structure of the Chromo1 domain of cpSRP43

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	unlabeled Chromo 1 domain, Uniformly labeled 15N chromo domain 1, Uniformly 15N and 13C labeled Chromo 1 domain	HOH	10mM phosphate ,100mM NaCL	6.8	ambient	298
2	2D TOCSY	unlabeled Chromo 1 domain, Uniformly labeled 15N chromo domain 1, Uniformly 15N and 13C labeled Chromo 1 domain	HOH	10mM phosphate ,100mM NaCL	6.8	ambient	298
3	3D N15 NOESY-HSQC	unlabeled Chromo 1 domain, Uniformly labeled 15N chromo domain 1, Uniformly 15N and 13C labeled Chromo 1 domain	HOH	10mM phosphate ,100mM NaCL	6.8	ambient	298
4	3D 15N-separated HSQC-TOCSY	unlabeled Chromo 1 domain, Uniformly labeled 15N chromo domain 1, Uniformly 15N and 13C labeled Chromo 1 domain	HOH	10mM phosphate ,100mM NaCL	6.8	ambient	298
5	HNHA	unlabeled Chromo 1 domain, Uniformly labeled 15N chromo domain 1, Uniformly 15N and 13C labeled Chromo 1 domain	HOH	10mM phosphate ,100mM NaCL	6.8	ambient	298
6	3D_13C-separated_NOESY	unlabeled Chromo 1 domain, Uniformly labeled 15N chromo domain 1, Uniformly 15N and 13C labeled Chromo 1 domain	HOH	10mM phosphate ,100mM NaCL	6.8	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	700

NMR Refinement
Method	Details	Software
Torsional angle dynamics, simulated annealing		XwinNMR

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

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear, 3D heteronuclear NMR experiments

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	3.5	Bruker
2	structure solution	CNS	1.1
3	refinement	CNS	1.1