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NMR structures of GA95 and GB95, two designed proteins with 95% sequence identity but different folds and functions
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 2 3D HNCACB 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 3 3D CBCA(CO)NH 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 4 3D HBHA(CO)NH 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 5 3D H(CCO)NH 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 6 3D C(CO)NH 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 7 3D HNCO 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 8 3D 1H-15N NOESY 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 9 3D 1H-13C NOESY aliphatic 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293 10 3D 1H-13C NOESY aromatic 0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95 90% H2O/10% D2O 100 7.2 ambient 293
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600
NMR Refinement Method Details Software simulated annealing CNS
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry Conformers Calculated Total Number 300 Conformers Submitted Total Number 20 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.2 Brunger, Adams, Clore, Gros, Nilges and Read 2 collection XwinNMR 2.5 Bruker Biospin 3 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 4 data analysis Sparky 3 Goddard 5 refinement CNS 1.2 Brunger, Adams, Clore, Gros, Nilges and Read