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SARS-CoV-2 Envelope Protein Transmembrane Domain: Dimeric Structure Determined by 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)