2MLE

NMR structure of the C-domain of troponin C bound to the anchoring region of troponin I

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-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
2	2D DQF-COSY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 0.5 mM imidazole, 1.2 mM troponin I(34-71), 9.5 mM [U-2H] imidazole	100% D2O	0.12	6.7	ambient	303
3	2D 1H-1H NOESY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 0.5 mM imidazole, 1.2 mM troponin I(34-71), 9.5 mM [U-2H] imidazole	100% D2O	0.12	6.7	ambient	303
4	3D CBCA(CO)NH	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
5	3D C(CO)NH	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
6	3D HNCACB	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
7	3D H(CCO)NH	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
8	3D HCCH-TOCSY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
9	3D HNHA	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
10	3D HNHB	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
11	3D 1H-15N NOESY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
12	3D 1H-15N TOCSY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
13	3D 1H-13C NOESY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
14	2D 13C,15N Filtered NOESY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
15	2D 13C,15N Filtered TOCSY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303
16	3D 13C Edited, Filtered NOESY	0.5 mM [U-95% 13C; U-95% 15N] cCTnC, 2 mM Calcium, 0.2 mM DSS, 100 mM potassium chloride, 5 mM sodium azide, 10 mM imidazole, 1.2 mM troponin I(34-71)	90% H2O/10% D2O	0.12	6.7	ambient	303

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

NMR Refinement
Method	Details	Software
simulated annealing		CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich
2	geometry optimization	CYANA		Guntert, Mumenthaler and Wuthrich
3	processing	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	peak picking	NMRView		Johnson, One Moon Scientific
6	chemical shift assignment	NMRView		Johnson, One Moon Scientific
7	refinement	ProcheckNMR		Laskowski and MacArthur
8	data analysis	ProcheckNMR		Laskowski and MacArthur
9	data analysis	TALOS		Cornilescu, Delaglio and Bax
10	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
11	geometry optimization	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
12	processing	VnmrJ		Varian
13	refinement	CYANA