2MC2

X-ray crystallography-solution NMR hybrid structure of mouse RyR2 domain A

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT	90% H2O/10% D2O	0.328	7	ambient	288
2	3D CBCA(CO)NH	0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT	90% H2O/10% D2O	0.328	7	ambient	288
3	3D HNCACB	0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT	90% H2O/10% D2O	0.328	7	ambient	288
4	3D HNCO	0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT	90% H2O/10% D2O	0.328	7	ambient	288
5	3D HNCA	0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT	90% H2O/10% D2O	0.328	7	ambient	288
6	3D HN(CO)CA	0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT	90% H2O/10% D2O	0.328	7	ambient	288

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing	The RECOORD scripts [Proteins. 2005 Jun 1;59(4):662-72] were employed to reanneal and refine the structure with the addition of the new NMR restraints. PDB entry 3IM5 was used as the starting structure for refinement.	NMRPipe

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)

Additional NMR Experimental Information
Details	TROSY pulse sequences were employed.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	chemical shift assignment	XEASY		Bartels et al.
3	peak picking	XEASY		Bartels et al.
4	data analysis	TALOS		Cornilescu, Delaglio and Bax
5	geometry optimization	TALOS		Cornilescu, Delaglio and Bax
6	chemical shift calculation	TALOS		Cornilescu, Delaglio and Bax
7	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
8	structure solution	CNS		Brunger, Adams, Clore, Gros, Nilges and Read