2KGB

NMR solution of the regulatory domain cardiac F77W-Troponin C in complex with the cardiac Troponin I 144-163 switch peptide

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-15N NOESY	~1 mM Protein, 6 mM CALCIUM ION, 15 mM DTT, 0.03 % sodium azide, 0.3 mM DSS, ~2 mM Troponin I, 100 mM potassium chloride, 10 mM imidazole	90% H2O/10% D2O	0.1	6.8	ambient	303
2	3D 1H-13C NOESY	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303
3	3D HNHA	~1 mM Protein, 6 mM CALCIUM ION, 15 mM DTT, 0.03 % sodium azide, 0.3 mM DSS, ~2 mM Troponin I, 100 mM potassium chloride, 10 mM imidazole	90% H2O/10% D2O	0.1	6.8	ambient	303
4	2D 1H-15N HSQC	~1 mM Protein, 6 mM CALCIUM ION, 15 mM DTT, 0.03 % sodium azide, 0.3 mM DSS, ~2 mM Troponin I, 100 mM potassium chloride, 10 mM imidazole	90% H2O/10% D2O	0.1	6.8	ambient	303
5	2D 1H-13C HSQC	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303
6	3D CBCA(CO)NH	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303
7	3D HNCACB	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303
8	3D H(CCO)NH	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303
9	3D HCCH-TOCSY	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303
10	3D C(CO)NH	~1 mM [U-99% 13C; U-99% 15N] Protein, 6 mM CALCIUM ION, 15 mM DTT, 100 mM potassium chloride, 10 mM imidazole, ~2 mM Troponin I, 0.03 % sodium azide, 0.3 mM DSS	90% H2O/10% D2O	0.1	6.8	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	INOVA	600
3	Varian	INOVA	800

NMR Refinement
Method	Details	Software
torsion angle dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CYANA	2.1	Guntert, P. et al.