2L53

Solution NMR Structure of apo-calmodulin in complex with the IQ motif of Human Cardiac Sodium Channel NaV1.5

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	1 mM entity_1-3, 1 mM entity_2-4	95% H2O/5% D2O	100	6.3	ambient	298
2	2D 1H-1H COSY	1 mM entity_1-3, 1 mM entity_2-4	95% H2O/5% D2O	100	6.3	ambient	298
3	2D 1H-15N HSQC	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
4	3D CBCA(CO)NH	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
5	3D HNCACB	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
6	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
7	3D 1H-13C NOESY	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
8	3D HNCO	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
9	3D H(CCO)NH	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
10	3D HCCH-TOCSY	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298
11	2D 1H-1H TOCSY	1 mM entity_1-3, 1 mM entity_2-4	95% H2O/5% D2O	100	6.3	ambient	298
12	3D HCCH-COSY	1 mM [U-99% 13C; U-99% 15N] calmodulin, 1 mM [U-99% 13C; U-99% 15N] entity_2-2	95% H2O/5% D2O	100	6.3	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800
2	Bruker	DRX	600

NMR Refinement
Method	Details	Software
molecular dynamics	restrained molecular dynamic	AMBER

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	AMBER	10	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollm
2	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
3	data analysis	TALOS		Cornilescu, Delaglio and Bax
4	data analysis	SPARKY		Goddard
5	chemical shift assignment	SPARKY		Goddard
6	collection	TOPSPIN		Bruker Biospin

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.