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SOLUTION STRUCTURE OF THE HYALURONAN BINDING DOMAIN OF HUMAN CD44
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 1 mM [U-13C; U-15N] protein 95% H2O/5% D2O <5mM 6.5 ambient 298 2 2D NOESY 1 mM protein 95% H2O/5% D2O <5mM 6.5 ambient 298 3 2D NOESY 1 mM protein 100% D2O <5mM 6.5 ambient 298 4 2D TOCSY 1 mM protein 95% H2O/5% D2O <5mM 6.5 ambient 298 5 HMQC-J 1 mM [U-15N] protein 95% H2O/5% D2O <5mM 6.5 ambient 298 6 CBCA(CO)NH 1 mM [U-13C; U-15N] protein 95% H2O/5% D2O <5mM 6.5 ambient 298 7 NH-Exchange HSQC 1 mM [U-15N] protein 100% D2O <5mM 6.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 GE OMEGA 750 2 GE OMEGA 600 3 GE OMEGA 500
NMR Refinement Method Details Software torsion angle dynamics
simulated annealing
refinement by molecular dynamics The structures are calculated from 2271 restraints, 2168 are NOE based, 47 dihedral constraints and 56 distance restraints from hydrogen bonds CNS
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy,target function Conformers Calculated Total Number 500 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.1 Brunger, A.T. 2 processing Felix 2.3 MSI, San Diego 3 structure solution SOPHIE 1.0 Pickford, A.R. 4 data analysis Sparky 2.0 Goddard, T.D. 5 data analysis XEASY 3.13 Xia, T 6 refinement SOPHIE 1.0 Pickford, A.R.