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NMR structure of the 13-cis-15-syn retinal in dark_adapted bacteriorhodopsin
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY residue specifically labeled purple membrane (12-20mg bacteriorhodopsin) suspended in 1% deuterated dodecal maltoside 10mm potassium phosphate buffer in D2O 1 6.5 1 atm 308 2 2D NOESY residue specifically labeled purple membrane (12-20mg bacteriorhodopsin) suspended in 1% deuterated dodecal maltoside 10mm potassium phosphate buffer in D2O 1 6.5 1 atm 313 3 2D NOESY residue specifically labeled purple membrane (12-20mg bacteriorhodopsin) suspended in 1% deuterated dodecal maltoside 10mm potassium phosphate buffer in D2O 1 6.5 1 atm 318
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 800 2 Bruker DMX 750
NMR Refinement Method Details Software simulated annealing the structure was also refined with SHIFTS (Author; Case, D) XwinNMR
NMR Ensemble Information Conformer Selection Criteria rmsd between observed and calulated chemical shifts Conformers Calculated Total Number 100 Conformers Submitted Total Number 12 Representative Model 1 (lowest rmsd of observed and calculated chemical shifts)
Computation: NMR Software # Classification Version Software Name Author 1 processing XwinNMR 2.6 Bruker AG 2 refinement Amber 4.1 Kollman, P.