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Structure of the C-domain Fragment of apo Calmodulin Bound to the IQ motif of Nav1.2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 2 2D 1H-13C HSQC 1.5 mM Voltage-dependent Sodium Channel v 1.2, 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin 100% D2O 100 6.5 ambient 298 3 3D CBCA(CO)NH 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 4 3D HNCO 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 5 3D HNCA 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 6 3D HNCACB 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 7 3D HBHA(CO)NH 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 8 3D HN(CO)CA 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 9 3D 1H-15N NOESY 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 10 3D 1H-13C NOESY 1.5 mM Voltage-dependent Sodium Channel v 1.2, 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin 100% D2O 100 6.5 ambient 298 11 3D HCCH-TOCSY 1.5 mM Voltage-dependent Sodium Channel v 1.2, 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin 100% D2O 100 6.5 ambient 298 12 2D 1H-1H TOCSY 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 13 2D 1H-1H TOCSY 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 14 2D 1H-1H NOESY 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298 15 3D HNHA 1.5 mM [U-100% 13C; U-100% 15N] C-domain of apo Calmodulin, 1.5 mM Voltage-dependent Sodium Channel v 1.2 95% H2O/5% D2O 100 6.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE II 800 2 Bruker AVANCE II 500
NMR Refinement Method Details Software torsion angle dynamics CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 300 Conformers Submitted Total Number 21 Representative Model 1 (energy minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.2 Brunger, Adams, Clore, Gros, Nilges and Read 2 chemical shift assignment Sparky Goddard 3 refinement CNS 1.2 Brunger, Adams, Clore, Gros, Nilges and Read