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The Solution Structure of the Magnesium-bound Conantokin-G Mutant
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 2 mM Conantokin GNQO, 10 mM [U-100% 2H] HEPES, 0.01 mg/mL DSS, 10 mM sodium chloride, 40 mM magnesium chloride, 5 % [U-100% 2H] D2O 90% H2O/10% D2O 10 7 ambient 298 2 2D DQF-COSY 2 mM Conantokin GNQO, 10 mM [U-100% 2H] HEPES, 0.01 mg/mL DSS, 10 mM sodium chloride, 40 mM magnesium chloride, 5 % [U-100% 2H] D2O 90% H2O/10% D2O 10 7 ambient 298 3 2D 1H-1H NOESY 2 mM Conantokin GNQO, 10 mM [U-100% 2H] HEPES, 0.01 mg/mL DSS, 10 mM sodium chloride, 40 mM magnesium chloride, 5 % [U-100% 2H] D2O 90% H2O/10% D2O 10 7 ambient 298 4 2D 1H-15N HSQC 2 mM Conantokin GNQO, 10 mM [U-100% 2H] HEPES, 0.01 mg/mL DSS, 10 mM sodium chloride, 40 mM magnesium chloride, 5 % [U-100% 2H] D2O 90% H2O/10% D2O 10 7 ambient 298 5 2D 1H-13C HSQC 2 mM Conantokin GNQO, 10 mM [U-100% 2H] HEPES, 0.01 mg/mL DSS, 10 mM sodium chloride, 40 mM magnesium chloride, 5 % [U-100% 2H] D2O 90% H2O/10% D2O 10 7 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800
NMR Refinement Method Details Software simulated annealing X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 200 Conformers Submitted Total Number 10 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 2 chemical shift assignment TopSpin Bruker Biospin 3 peak picking Sparky Goddard 4 structure solution TALOS Cornilescu, Delaglio and Bax 5 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore