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SOLUTION STRUCTURE OF THE TRUNCATED PBX HOMEODOMAIN
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 2.5 mM PBX U-15N; 10 mM phosphate buffer; 1 mM DTT; 90% H2O, 10% D2O 90% H2O/10% D2O 4.8 ambient 303 2 HNHA 2.5 mM PBX U-15N; 10 mM phosphate buffer; 1 mM DTT; 90% H2O, 10% D2O 90% H2O/10% D2O 4.8 ambient 303 3 2D NOESY 2 mM PBX; 1mM DTT; 90% H2O, 10% D2O 90% H2O/10% D2O 6.0 ambient 303 4 2D NOESY 4 mM PBX; 20 mM phosphate buffer; 1 mM DTT; 100% D2O 100% D2O 6.0 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software dynamical annealing 1338 restraints, 1268 NOE-derived distance constraints, 48 dihedral angle restraints, 22 distance restraints from hydrogen bonds XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 30 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 2.0 Bruker 2 processing Gifa 4.2 Pons, Malliavin, Delsuc 3 structure solution CNS 0.5 Brunger 4 data analysis XEASY 1.3.13 Bartels, Xia, Billeter, Guntert, Wuthrich 5 refinement CNS 0.5 Brunger