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NMR assignment and structure of a peptide derived from the fusion peptide of HIV-1 gp41 in the presence of dodecylphosphocholine micelles
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H COSY 0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS hexafluoroisopropanol/water 2 mM 6.8 1 atm 298 Bruker AVANCE 600 2 2D 1H-1H TOCSY 0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS hexafluoroisopropanol/water 2 mM 6.8 1 atm 298 Bruker AVANCE 600 3 2D 1H-1H NOESY 0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS hexafluoroisopropanol/water 2 mM 6.8 1 atm 298 Bruker AVANCE 600 4 2D 1H-13C HSQC aliphatic 0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS hexafluoroisopropanol/water 2 mM 6.8 1 atm 298 Bruker AVANCE 600 5 2D 1H-15N HSQC 0.6 mM scrFP-tag, 25 % [U-98% 2H] HFIP, 7.5 % H2O, 67.5 % [U-99% 2H] D2O, 2 mM HEPES, 0.1 mM DSS hexafluoroisopropanol/water 2 mM 6.8 1 atm 298 Bruker AVANCE 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600
NMR Refinement Method Details Software simulated annealing CYANA
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing TopSpin Bruker Biospin 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard 5 structure calculation CYANA Guntert, Mumenthaler and Wuthrich 6 refinement CYANA Guntert, Mumenthaler and Wuthrich