8U1T

SARS-CoV-2 Envelope Protein Transmembrane Domain: Dimeric Structure Determined by Solid-State NMR

SOLID-STATE NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N PISEMA	80 ug/mL [U-100% 15N] SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
2	2D 1H-15N PISEMA	80 ug/mL [U-15N]-Ile SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
3	2D 1H-15N PISEMA	80 ug/mL [U-15N]-Phe SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
4	2D 1H-15N PISEMA	80 ug/mL [U-15N]-Ala SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
5	2D 1H-15N PISEMA	80 ug/mL [U-15N]-Val SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
6	2D 1H-15N PISEMA	80 ug/mL [U-15N]-Thr SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
7	2D 1H-15N PISEMA	80 ug/mL [U-15N]-Leu SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE NEO 600
8	2D 1H-13C DARR	40 ug/mL [U-13C]-Leu, [U-13C]-Val SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE 600
9	2D 1H-13C DARR	20 ug/mL [U-13C]-Val, [U-13C]-Met SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE 600
10	2D 1H-13C DARR	20 ug/mL [U-13C]-Leu, [U-13C]-Phe SARS-CoV-2 envelope protein transmembrane peptide, 400 ug/mL POPC, 100 ug/mL POPG	Aqueous buffer	5 mM	7.5	1 atm	295	Bruker AVANCE 600
11	1D zg	100 saturated [U-15N] ammonium chloride salt	Aqueous buffer	5	7.5	1 atm	295	Bruker AVANCE NEO 600

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

NMR Refinement
Method	Details	Software
simulated annealing		NAMD

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	14
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	TopSpin		Bruker Biospin
3	chemical shift assignment	TopSpin		Bruker Biospin
4	data analysis	TopSpin		Bruker Biospin
5	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	refinement	NAMD		University of Illinois at Urbana Champaign: Theoretical and Computational Biophysics Group (TCB), Parallel Programming Laboratory (PPL)

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.