7LC8

SARS-CoV-2 spike Protein TM domain

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	55 mM 1,2-dimyristoyl-sn-Glycero-3-Phosphocholine, 100 mM 1,2-dihexanoyl-sn-Glycero-3-Phosphocholine, 20 mM TRIS, 0.02 % sodium azide, 20 mM sodium chloride, 1 mM [U-13C; U-15N; U-2H] Spike glycoprotein	90% H2O/10% D2O	20 mM	6.8	1 atm	303	Bruker AVANCE 600
2	3D HNCA	55 mM 1,2-dimyristoyl-sn-Glycero-3-Phosphocholine, 100 mM 1,2-dihexanoyl-sn-Glycero-3-Phosphocholine, 20 mM TRIS, 0.02 % sodium azide, 20 mM sodium chloride, 1 mM [U-13C; U-15N; U-2H] Spike glycoprotein	90% H2O/10% D2O	20 mM	6.8	1 atm	303	Bruker AVANCE 700
3	3D HNCO	55 mM 1,2-dimyristoyl-sn-Glycero-3-Phosphocholine, 100 mM 1,2-dihexanoyl-sn-Glycero-3-Phosphocholine, 20 mM TRIS, 0.02 % sodium azide, 20 mM sodium chloride, 1 mM [U-13C; U-15N; U-2H] Spike glycoprotein	90% H2O/10% D2O	20 mM	6.8	1 atm	303	Bruker AVANCE 700
4	3D 1H-15N NOESY	55 mM [U-99% 2H] 1,2-dimyristoyl-sn-Glycero-3-Phosphocholine, 100 mM [U-99% 2H] 1,2-dihexanoyl-sn-Glycero-3-Phosphocholine, 20 mM TRIS, 0.02 % sodium azide, 20 mM sodium chloride, 1 mM [U-13C; U-15N] Spike glycoprotein	90% H2O/10% D2O	20 mM	6.8	1 atm	303	Bruker AVANCE 700
5	3D HNCO	55 mM [U-99% 2H] 1,2-dimyristoyl-sn-Glycero-3-Phosphocholine, 100 mM [U-99% 2H] 1,2-dihexanoyl-sn-Glycero-3-Phosphocholine, 20 mM TRIS, 0.02 % sodium azide, 20 mM sodium chloride, 1 mM [U-13C; U-15N; U-2H] Spike glycoprotein	90% H2O/10% D2O	20 mM	6.8	1 atm	303	Bruker AVANCE 700
6	2D 1H-15N HSQC NH2 only	55 mM 1,2-dimyristoyl-sn-Glycero-3-Phosphocholine, 100 mM 1,2-dihexanoyl-sn-Glycero-3-Phosphocholine, 20 mM TRIS, 0.02 % sodium azide, 20 mM sodium chloride, 1 mM [U-15N; U-2H] Spike glycoprotein	90% H2O/10% D2O	20 mM	6.8	1 atm	303	Bruker AVANCE 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	150
Conformers Submitted Total Number	14
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH	2.48	Schwieters, Kuszewski, Tjandra and Clore
2	structure calculation	X-PLOR NIH	2.48	Schwieters, Kuszewski, Tjandra and Clore
3	chemical shift assignment	XEASY		Bartels et al.
4	peak picking	XEASY		Bartels et al.