7UH9

NMR structure of the cNTnC-cTnI chimera bound to W8

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-13C HSQC	0.4 mM [U-100% 13C; U-100% 15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 2.5 mM W8, 5 % [U-99% 2H] DMSO	100% D2O	NA	6.7	ambient Pa	303	Varian INOVA 600
2	3D 13C-filtered/edited NOESY-HSQC	0.4 mM [U-100% 13C; U-100% 15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 2.5 mM W8, 5 % [U-99% 2H] DMSO	100% D2O	NA	6.7	ambient Pa	303	Varian INOVA 600
3	2D 13C,15N-double-filtered TOCSY	0.4 mM [U-100% 13C; U-100% 15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 2.5 mM W8, 5 % [U-99% 2H] DMSO	100% D2O	NA	6.7	ambient Pa	303	Varian INOVA 600

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

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VnmrJ		Varian
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	chemical shift assignment	NMRViewJ		Johnson, One Moon Scientific
4	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore