7KAA

NMR solution structures of tirasemtiv drug bound to a fast skeletal troponin C-troponin I complex

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC NH2 only	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 800
2	2D 1H-13C HSQC aromatic	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 800
3	3D CBCA(CO)NH	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 600
4	3D HNCACB	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 600
5	3D C(CO)NH	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 600
6	3D H(CCO)NH	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 600
7	3D 1H-13C NOESY aliphatic	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 800
8	3D 1H-15N NOESY aliphatic	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 800
9	3D 1H-13C NOESY CNfiltered	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 600
10	2D 1H-15N HSQC CNfiltered	0.5 mM [U-13C; U-15N] TroponinC-Troponin I chimera, 10 mM Imidazole, 100 mM KCl	90% H2O/10% D2O	200 mM	6.7	1 atm	298	Varian INOVA 600

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

NMR Refinement
Method	Details	Software
simulated annealing	water refinement	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	25
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VnmrJ	3.2	Varian
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	chemical shift assignment	NMRViewJ		Johnson, One Moon Scientific
4	data analysis	NMRViewJ		Johnson, One Moon Scientific
5	peak picking	NMRViewJ		Johnson, One Moon Scientific
6	structure calculation	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
7	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore

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.