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Solution Structure of Tachyplesin I Mutant TPY4 in water
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY TPY4 17 residue peptide 90%/10% H2O/D2O and 99% D2O
with 0.15% TFA, pH 3.0 0.15% 3.0 ambient 298 2 2D TOCSY TPY4 17 residue peptide 90%/10% H2O/D2O and 99% D2O
with 0.15% TFA, pH 3.0 0.15% 3.0 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software Simulated Annealing with complete cross-validation CNS
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 300 Conformers Submitted Total Number 31 Representative Model 1 (minimized average structure)
Additional NMR Experimental Information Details For reasons of overlap, data was collected at both 298K and 277K. NOEs from spectra at both temperatures were used.
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CNS 1.0 Brunger, Adams, Clore, DeLano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren 2 collection XwinNMR 6.1 Bruker 3 processing XwinNMR 6.1 Bruker 4 refinement CNS 1.0 Brunger, Adams, Clore, DeLano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren