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Confirmational analysis of the broad-spectrum antibacterial peptide, rantuerin-2csa: identification of a full length helix-turn-helix motif
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 1.5-2.0 mM Peptide 1:1 mixture of TFE-d3 and H2O 3.2 ambient 298 2 2D 1H-1H NOESY 1.5-2.0 mM Peptide 1:1 mixture of TFE-d3 and H2O 3.2 ambient 298 3 2D DQF-COSY 1.5-2.0 mM Peptide 1:1 mixture of TFE-d3 and H2O 3.2 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500 2 Bruker DRX 800
NMR Refinement Method Details Software torsion angle dynamics, simulated annealing, Conjugated gradient minimization, Powell minimization XwinNMR
NMR Ensemble Information Conformer Selection Criteria target function Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 3.5 Bruker Biospin 2 processing CYANA 2.0 Guntert, Mumenthaler and Wuthrich 3 refinement SYBYL 6.8.1 Tripos