2KQV

SARS coronavirus-unique domain (SUD): Three-domain molecular architecture in solution and RNA binding. I: Structure of the SUD-M domain of SUD-MC

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D [15N,1H]-HSQC	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
2	2D [13C,1H]-HSQC	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
3	3D 15N-resolved [1H,1H-NOESY	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
4	3D aliphatic 13C-resolved [1H,1H]-NOESY	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
5	4D APSY-HACANH	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
6	5D APSY-CBCACONH	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
7	5D APSY-HACACONH	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
8	4D APSY-HNCOCA	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298
9	3D aromatic 13C-resolved [1H,1H]-NOESY	1.0 mM [U-98% 13C; U-98% 15N] SUD-MC, 25 mM sodium phosphate, 150 mM sodium chloride, 2 mM sodium azide	90% H2O/10% D2O	0.227	6.8	ambient	298

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

NMR Refinement
Method	Details	Software
torsion angle dynamics		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	80
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	chemical shift assignment	CARA	CARA	Keller and Wuthrich
3	chemical shift assignment	MATCH		Volk, J., Herrmann, T., W thrich, K
4	chemical shift assignment	ASCAN		Fiorito F, Herrmann T, Damberger FF, W thrich K.
5	refinement	CANDID		Herrmann T, G ntert P, W thrich K
6	refinement	OPALp		Luginb hl P, G ntert P, Billeter M, W thrich K.
7	refinement	UNIO		Herrmann T, Wuthrich K
8	peak picking	ATNOS		Herrmann T, G ntert P, W thrich K

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.