1LA0

Solution Structure of Calcium Saturated Cardiac Troponin C in the Troponin C-Troponin I Complex

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	a/b TROSY	[15N, 2H]cTnC/cTnI complexes	10% 2H2O, 20 mM Tris-d11 (pH=6.8), 500 mM KCl, 10 mM CaCl2, 5 mM DTT, 5mM ?-mercaptoethanol, 0.1 mM pefabloc and 0.1 mM leupeptin.	500 mM KCl, 10 mM CaCl2	6.8	ambient	311
2	a/b TROSY	[15N, 2H]cTnC/cTnI complexes	(pH=6.8), 500 mM KCl, 10 mM CaCl2, 5 mM DTT, 5mM ?-mercaptoethanol, 0.1 mM pefabloc and 0.1 mM leupeptin. pF1.	500 mM KCl, 10 mM CaCl2	6.8	ambient	311
3	a/b TROSY	[15N, 2H]cTnC/cTnI complexes	(pH=6.8), 500 mM KCl, 10 mM CaCl2, 5 mM DTT, 5mM ?-mercaptoethanol, 0.1 mM pefabloc and 0.1 mM leupeptin. 4.5% molar ratio of 0.96 (C12E5/n-hexanol) lamellar phase	500 mM KCl, 10 mM CaCl2	6.8	ambient	313

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

NMR Refinement
Method	Details	Software
Rigid body minimization		X-PLOR

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1
Representative Model	(minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.84	Brunger/Clore