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NMR Structure and Localization of a Large Fragment of the SARS-CoV Fusion Protein: Implications in Viral Cell Fusion

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	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600
2	3D CBCA(CO)NH	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600
3	3D HNCA	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600
4	3D HN(CO)CA	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600
5	Hetronuclear NOE	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600
6	3D 1H-15N NOESY	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600
7	3D 1H-15N TOCSY	0.2 M [U-13C; U-15N] Large Fragment of the SARS-CoV Fusion Protein	90% H2O/10% D2O	50 mM	6.5	1 atm	298	Bruker DRX 600

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

NMR Refinement
Method	Details	Software
torsion angle dynamics		Sparky

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	CYANA		Guntert, Mumenthaler and Wuthrich
2	chemical shift assignment	Sparky		Goddard
3	peak picking	Sparky		Goddard