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Model of the HIV-1 gp41 membrane-proximal external region, transmembrane domain and cytoplasmic tail
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N TROSY HSQC 1.2 mM [U-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 2 3D TROSY HNCO 1.2 mM [U-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 3 3D TROSY HNCA 1.2 mM [U-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 4 2D 1H-15N TROSY HSQC 1 mM [ILV-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 5 2D 1H-13C HSQC 1 mM [ILV-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 8 3D 15N-edited NOESY-TROSY-HSQC 1 mM [ILV-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 7 3D 13C-edited NOESY 1 mM [ILV-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900 6 3D 15N-edited TROSY-NOESY-TROSY-HSQC 1 mM [ILV-100% 13C; U-100% 15N; U-85% 2H] HIV-1 gp41 MPER-TMD-CT, 40 mM DMPC, 80 mM DHPC, 40 mM MES, 1 % sodium azide 90% H2O/10% D2O 0 M 6.7 1 atm 308 Bruker AVANCE III 900
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 900
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 15 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 3 peak picking CARA Keller and Wuthrich 4 peak picking XEASY Bartels et al. 5 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 6 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore