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NMR structure of CaBP1 bound to the IQ motif of Cav1.2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 0.5 mM [U-100% 15N] CaBP1 C-Lobe, 0.75 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 800 2 3D CBCA(CO)NH 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 800 3 3D HNCACB 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 800 4 3D HCCH-TOCSY 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 600 5 3D HBHA(CO)NH 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 800 6 3D HNCO 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 800 7 3D HNCA 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 600 8 2D 1H-13C HSQC aliphatic 0.6 mM [U-100% 13C; U-100% 15N] CaBP1 C-Lobe, 0.9 mM CaV1.2 IQ motif, 1 mM Ca2+, 10 mM [U-100% 2H] Tris 90% H2O/10% D2O 10 mM 7.5 1 atm 300 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600 2 Bruker AVANCE III 800
NMR Refinement Method Details Software simulated annealing HADDOCK
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 400 Conformers Submitted Total Number 10 Representative Model 1 (closest to the average)
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRFx Norris 2 chemical shift assignment NMRFAM-SPARKY Lee 3 structure calculation HADDOCK Bonvin 4 refinement HADDOCK Bonvin 5 peak picking NMRFAM-SPARKY Lee