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Solution structure of the antimicrobial peptide [Aba3,7,12,16]BTD-2
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 0.6 mM [Aba3,7,12,16]BTD, 10 uM DSS 90% H2O/10% D2O 4 ambient 298 2 2D 1H-1H NOESY 0.6 mM [Aba3,7,12,16]BTD, 10 uM DSS 90% H2O/10% D2O 4 ambient 298 3 2D 1H-13C HSQC 0.7 mM [Aba3,7,12,16]BTD, 10 uM DSS 100% D2O 4 ambient 298 4 2D DQF-COSY 0.6 mM [Aba3,7,12,16]BTD, 10 uM DSS 90% H2O/10% D2O 4 ambient 298 5 2D 1H-1H ECOSY 0.7 mM [Aba3,7,12,16]BTD, 10 uM DSS 100% D2O 4 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 500 2 Bruker AVANCE 600
NMR Refinement Method Details Software simulated annealing, torsion angle dynamics Structures were calculated using the scripts from the RECOORD database. Used to calculate preliminary structures CcpNmr
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 data analysis CcpNmr 2.1 CCPN 2 chemical shift assignment CcpNmr 2.1 CCPN 3 peak picking CcpNmr 2.1 CCPN 4 collection TopSpin 2.1 Bruker Biospin 5 processing TopSpin 2.1 Bruker Biospin 6 structure solution CYANA 3.0 Guntert, Mumenthaler and Wuthrich 7 refinement CNS 2.1 Brunger, Adams, Clore, Gros, Nilges and Read 8 refinement CYANA 3.0 Guntert, Mumenthaler and Wuthrich