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Structure of Alzheimer Ab peptide in complex with an engineered binding protein
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_13C-separated_NOESY 400 uM [U-100% 13C; U-100% 15N] Abeta peptide, 400 uM ZAb3 dimers, 20 mM Na-phosphate buffer 90% H2O/10% D2O 20 mM sodium phophate 7.2 ambient 298 2 3D_15N-separated_NOESY 400 uM [U-100% 13C; U-100% 15N] Abeta peptide, 400 uM ZAb3 dimers, 20 mM Na-phosphate buffer 90% H2O/10% D2O 20 mM sodium phophate 7.2 ambient 298 3 3D_13C-separated_NOESY 400 uM Abeta peptide, 400 uM [U-100% 13C; U-100% 15N] ZAb3 dimers, 20 mM Na-phosphate buffer 90% H2O/10% D2O 20 mM sodium phophate 7.2 ambient 298 4 3D_15N-separated_NOESY 400 uM Abeta peptide, 400 uM [U-100% 13C; U-100% 15N] ZAb3 dimers, 20 mM Na-phosphate buffer 90% H2O/10% D2O 20 mM sodium phophate 7.2 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 900 2 Varian INOVA 800
NMR Refinement Method Details Software Ab initio simulated annealing Xplor-NIH
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 24 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details Intermolecular NOEs assigned based on 3D F1 (13C,15N)-filtered, F2 (13C or 15N)-edited NOESY experiments
Computation: NMR Software # Classification Version Software Name Author 1 structure solution Xplor-NIH 2.15.0 Kuszewski et al 2 data analysis CcpNmr Analysis 1.10 Varken et al 3 processing NMRPipe 2.3 DeLaglio 4 refinement Xplor-NIH 2.15.0 Kuszewski et al