5WCL

NMR structure of the N-domain of troponin C bound to switch region of troponin I and 3-methyldiphenylamine (solvent exposed mode)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.25 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.5 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
2	3D HNHB	0.25 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.5 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
3	3D 1H-15N NOESY	0.25 mM [U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.5 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
4	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
5	3D HNCACB	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
6	3D HNCO	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
7	3D HNCACO	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
8	3D C(CO)NH	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
9	3D H(CCO)NH	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
10	2D 1H-13C HSQC	0.5 mM [U-10% 13C; U-100% 15N] cChimera_protein, 100 mM potassium chloride, 10 mM imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	95% H2O/5% D2O	NA	6.8	ambient atm	303	Varian INOVA 500
11	2D 1H-13C HSQC	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	100% D2O	NA	6.8	ambient atm	303	Varian INOVA 800
12	3D 1H-13C NOESY	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	100% D2O	NA	6.8	ambient atm	303	Varian INOVA 800
13	3D 1H-13C NOESY aromatic	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	100% D2O	NA	6.8	ambient atm	303	Varian INOVA 800
14	2D 13C,15N-double-filtered NOESY	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	100% D2O	NA	6.8	ambient atm	303	Varian INOVA 800
15	3D 13C-filtered NOESY	0.5 mM [U-13C; U-15N] cChimera_protein, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 10 mM calcium chloride, 0.25 mM [U-99% 2H] DSS, 0.8 mM 3-methyldiphenylamine	100% D2O	NA	6.8	ambient atm	303	Varian INOVA 800

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

NMR Refinement
Method	Details	Software
molecular dynamics		ARIA2

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	80
Conformers Submitted Total Number	8
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	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	structure calculation	ARIA2		Linge, O'Donoghue and Nilges
6	refinement	ARIA2		Linge, O'Donoghue and Nilges

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.