1JC2

COMPLEX OF THE C-DOMAIN OF TROPONIN C WITH RESIDUES 1-40 OF TROPONIN I

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	~1.3 mM C-domain of Sqeletal Troponin C, 1.9 mM of TnI peptide (residues 1-40), 100 mM KCl, 10 mM Imidazole, 1 mM DSS	90% H2O/10% D2O	0.1	6.8	ambiant	303
2	3D_13C-separated_NOESY	~1.3 mM C-domain of Sqeletal Troponin C, 1.9 mM of TnI peptide (residues 1-40), 100 mM KCl, 10 mM Imidazole, 1 mM DSS	90% H2O/10% D2O	0.1	6.8	ambiant	303
3	HNHA	~1.3 mM C-domain of Sqeletal Troponin C, 1.9 mM of TnI peptide (residues 1-40), 100 mM KCl, 10 mM Imidazole, 1 mM DSS	90% H2O/10% D2O	0.1	6.8	ambiant	303
4	HNHB	~1.3 mM C-domain of Sqeletal Troponin C, 1.9 mM of TnI peptide (residues 1-40), 100 mM KCl, 10 mM Imidazole, 1 mM DSS	90% H2O/10% D2O	0.1	6.8	ambiant	303
5	HNCACB	~1.3 mM C-domain of Sqeletal Troponin C, 1.9 mM of TnI peptide (residues 1-40), 100 mM KCl, 10 mM Imidazole, 1 mM DSS	90% H2O/10% D2O	0.1	6.8	ambiant	303
6	CBCACONNH	~1.3 mM C-domain of Sqeletal Troponin C, 1.9 mM of TnI peptide (residues 1-40), 100 mM KCl, 10 mM Imidazole, 1 mM DSS	90% H2O/10% D2O	0.1	6.8	ambiant	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
simmulated annealing	~880 NOE restraints were used, as well as a 86 dihedral restraints. The CA and CB chemical shifts of residues located in well-defined regions were also used to refine the structures	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	all calculated structures submitted
Conformers Calculated Total Number	30
Conformers Submitted Total Number	30
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	proton-proton NOEs between the TnI peptide and the C-domain of Troponin C were observed but could not be assigned

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.1	Brunger, A.
2	processing	NMRPipe	1.8 Rev 2000.081.21.00	Delaglio, F.
3	data analysis	NMRView	4.0.3	Johnson, B.
4	data analysis	PIPP	4.2	Delaglio, F.