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NMR Structure of CBP Bromodomain in complex with p53 peptide
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D_15N-HSQC 0.5mM CBP bromodomain U-15N; 0.5mM P53 peptide; 100mM phosphate buffer; pH 6.5 90% H2O/10% D2O 6.5 ambient 298 2 3D CBCA(CO)NH 0.5mM CBP bromodomain U-15N,13C,75% 2H; 0.5mM P53 peptide;100mM phosphate buffer; pH 6.5 90% H2O/10% D2O 6.5 ambient 298 3 3D HCCH-TOCSY 0.5mM CBP bromodomain U-15N,13C; 0.5mM P53 peptide;100mM phosphate buffer; pH 6.5 99.9%D2O 6.5 ambient 298 4 3D_13C-edited_13C/15N-filtered_NOESY 0.5mM CBP bromodomain U-15N,13C; 0.5mM P53 peptide;100mM phosphate buffer; pH 6.5 99.9%D2O 6.5 ambient 298 5 3D_15N-separated_NOESY 0.5mM CBP bromodomain U-15N; 0.5mM P53 peptide; 100mM phosphate buffer; pH 6.5 90% H2O/10% D2O 6.5 ambient 298 6 3D_13C-separated_NOESY 0.5mM CBP bromodomain U-15N,13C; 0.5mM P53 peptide;100mM phosphate buffer; pH 6.5 90% H2O/10% D2O 6.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500 2 Bruker DRX 600
NMR Refinement Method Details Software distance geometry
simulated annealing 71 inter-molecular NOEs are observed between protein and peptide. NMRPipe
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20
Additional NMR Experimental Information Details The structure was determined using triple-resonance NMR spectroscopy.
Computation: NMR Software # Classification Version Software Name Author 1 processing NMRPipe 1 Frank Delaglio 2 data analysis NMRView 5.0.3 Bruce Johnson 3 structure solution X-PLOR 3.1 Axel Brunger 4 iterative matrix relaxation ARIA 0.1 Michael Nilges 5 refinement X-PLOR 3.1 Axel Brunger