2KFX

Structure of the N-terminal domain of human cardiac troponin C bound to calcium ion and to the inhibitor W7

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D-{1H,12C}-filtered-{1H,13C}-edited NOESY	0.8 mM [U-99% 13C; U-99% 15N] cNTnC, 4.9 mM CALCIUM ION, 0.8 mM N-(6-AMINOHEXYL)-5-CHLORO-1-NAPHTHALENESULFONAMIDE, 10 mM imidazole, 83 mM [U-99% 2H] DSS	100% D2O		6.75		303

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

NMR Refinement
Method	Details	Software
molecular dynamics		VnmrJ

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VnmrJ		Varian
2	processing	VnmrJ		Varian
3	refinement	Xplor-NIH	2.21	Schwieters, C. et al.

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.