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Anabaena Sensory Rhodopsin Structure Determination from Paramagnetic Relaxation Enhancement and NMR Restraints
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 13C-13C DARR 0.9 w/w [U-13C; U-15N] Reconstituted protein, 0.09 w/w DMPC, 0.01 w/w DMPA CHES 10 mM 9 1 atm 277 Bruker AVANCE III 800 2 2D 13C-15N N-CA 0.9 w/w [U-13C; U-15N] Reconstituted protein, 0.09 w/w DMPC, 0.01 w/w DMPA CHES 10 mM 9 1 atm 277 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 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 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment CARA Keller and Wuthrich 2 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 3 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 4 peak picking CARA Keller and Wuthrich 5 collection TopSpin Bruker Biospin