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Solution Structure of HIV-1 GP41 Transmembrane Domain in Bicelles
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D HNCO 500 uM [U-100% 13C; U-100% 15N; U-100% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 2 3D HNCA 500 uM [U-100% 13C; U-100% 15N; U-100% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 3 3D 1H-15N NOESY 500 uM [U-100% 13C; U-100% 15N; U-100% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 4 2D TROSY 500 uM [U-100% 13C; U-100% 15N; U-100% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 5 2D ARTSY 500 uM [U-100% 13C; U-100% 15N; U-100% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 6 2D ARTSY 100 uM [U-100% 15N; 80%-2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 7 2D ARTSY 100 uM [U-100% 15N; 80%-2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE II 900 8 2D ARTSY 40 uM [U-100% 15N; U-80% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE III 800 9 2D ARTSY 70 uM [U-100% 15N; U-80% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE III 800 10 2D TROSY 300 uM [U-100% 15N; U-80% 2H] HIV-1 GP41 Transmembrane domain 93% H2O/7% D2O 25 mM 6.5 1 bar 318 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE II 900 2 Bruker AVANCE III 800
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 60 Conformers Submitted Total Number 15 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment CcpNMR CCPN 3 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 4 data analysis NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 2 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore