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Solution structure of HP7, a 12-residue beta hairpin
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY ~1.5 mM HP7, 20mM sodium phosphate buffer pH 6.0, DSS reference 90% H2O/10% D2O 20 mM sodium phosphate 6.0 ambient 280
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 750
NMR Refinement Method Details Software Simulated Annealing from Random Structures Followed by Steepest Descent Minimization XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with acceptable covalent geometry,structures with the least restraint violations Conformers Calculated Total Number 50 Conformers Submitted Total Number 43 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 2.6 Bruker 2 processing NMRPipe 2.1 Delaglio 3 data analysis Sparky 3.110 Goddard 4 structure solution CNS 1.1 Brunger 5 refinement Amber 6.0 UCSF