7JGI

NMR structure of the cNTnC-cTnI chimera bound to A7

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.5 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 1.5 mM A7, 1 % [U-99% 2H] DMSO	95% H2O/5% D2O	NA	6.7	ambient	303	Varian INOVA 600
2	2D 1H-13C HSQC	0.5 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.7 mM A7, 1 mM [U-99% 2H] DMSO	100% D2O	NA	6.7	ambient	303	Varian INOVA 600
3	3D 1H-13C NOESY	0.5 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.7 mM A7, 1 mM [U-99% 2H] DMSO	100% D2O	NA	6.7	ambient	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	300
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	VnmrJ		Varian
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	peak picking	NMRViewJ		Johnson, One Moon Scientific
4	chemical shift assignment	NMRViewJ		Johnson, One Moon Scientific
5	data analysis	ARIA		Linge, O'Donoghue and Nilges
6	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
7	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore