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NMR structures of the alpha7 nAChR transmembrane domain.
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318 2 2D 1H-13C HSQC 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318 3 3D HNCO 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318 4 3D HNCA 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318 5 3D HN(CO)CA 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318 6 3D 1H-15N NOESY 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318 7 3D 1H-13C NOESY 0.25 mM [U-100% 13C; U-100% 15N] protein 95% H2O/5% D2O 0.01 4.7 ambient 318
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600 2 Bruker AVANCE 800
NMR Refinement Method Details Software simulated annealing CYANA
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 25 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CYANA Guntert, Mumenthaler and Wuthrich 2 refinement CYANA Guntert, Mumenthaler and Wuthrich 3 chemical shift assignment Sparky Goddard 4 data analysis Sparky Goddard 5 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 6 processing NMRDraw Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax