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Ca2+-regulatory region (CLD) from soybean calcium-dependent protein kinase-alpha (CDPK) in the presence of Ca2+ and the junction domain (JD)
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_13C-separated_NOESY 0.8 mM U-15N,13C CLD; 0.9 mM unlabelled JD peptide; 50 mM H2-Imidazole, pH 7.3;
150 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O 95% H2O/5% D2O 150 mM NaCl, 10 mM CaCl2, 50 mM H2-Imidazole 7.3 ambient 313 2 3D_15N-separated_NOESY 0.8 mM U-15N,13C CLD; 0.9 mM unlabelled JD peptide; 50 mM H2-Imidazole, pH 7.3;
150 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O 95% H2O/5% D2O 150 mM NaCl, 10 mM CaCl2, 50 mM H2-Imidazole 7.3 ambient 313 3 3D_15N-separated_NOESY 0.8 mM U-15N,13C CLD; 0.9 mM unlabelled JD peptide; 50 mM H2-Imidazole, pH 7.3;
150 mM NaCl; 10 mM CaCl2; 95% H2O, 5% D2O 95% H2O/5% D2O 200 mM NaCl, 10 mM CaCl2, 50 mM H2-Imidazole 7.3 ambient 313
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 800 2 Bruker AVANCE 500
NMR Refinement Method Details Software simulated annealing; molecular dynamics; matrix relaxation Based on 3051 unambiguous NOE-derived restraints, 1183 ambiguous NOE-derived restraints,
122 dihedral angle restraints (TALOS derived), 45 HN residual dipolar coupling restraints XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry,structures with favorable
non-bond energy,structures with the least restraint violations Conformers Calculated Total Number 200 Conformers Submitted Total Number 15
Additional NMR Experimental Information Details The structure was determined using triple-resonance NMR spectroscopy
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 2.6 Bruker 2 processing NMRPipe 2.1 Delaglio and Bax 3 data analysis NMRView 5.04 Johnson 4 structure solution CNS 1.1 Brunger 5 iterative matrix relaxation ARIA 1.2 Nilges 6 collection VNMR unknown Varian 7 refinement CNS 1.1 Brunger