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SOLUTION STRUCTURE OF THE PABC DOMAIN OF HUMAN POLY(A) BINDING PROTEIN
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 3mM 15N-labeled PABC; 50mM phosphate buffer; 0.1M NaCl; 1mM NaN3; pH 6.3 90% H2O/10% D2O 0.2 6.3 ambient 303 2 3D_13C-separated_NOESY 3mM 15N,13C-labeled PABC; 50mM phosphate buffer; 0.1M NaCl; 1mM NaN3; pH 6.3 100% D2O 0.2 6.3 ambient 303 3 2D_NOESY 3mM unlabeled PABC; 50mM phosphate buffer; 0.1M NaCl; 1mM NaN3; pH 6.3 90% H2O/10% D2O 0.2 6.3 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian UNITYPLUS 800 2 Bruker DRX 500
NMR Refinement Method Details Software simulated annealing The structures are based on 1862 NOE-derived distance constraints, 102 dihedral angles restraints and 33 hydrogen bonds. XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 190 Conformers Submitted Total Number 30 Representative Model 1 (lowest energy)
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 2.1 Bruker Spectrospin 2 processing Gifa 4.31 Delsuc 3 data analysis XEASY 1.3.13 Wuthrich 4 structure solution CNS 0.9 Brunger 5 structure solution ARIA 0.9 Nilges 6 refinement ARIA 0.9 Nilges