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NMR structure of antimicrobial peptide distinctin in water
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 3.8mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 310 2 2D TOCSY 3.8mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 310 3 2D NOESY 3.8mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 300 4 2D TOCSY 3.8mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 300 5 2D NOESY 0.05mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 310 6 2D TOCSY 0.05mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 310 7 2D NOESY 0.05mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 300 8 2D TOCSY 0.05mM Natural Abundance Distinctin; NaN3 90% H2O/10% D2O NULL 6.8 ambient 300 9 2D NOESY 3.8mM Natural Abundance Distinctin; NaN3 100% D2O NULL 6.4 ambient 310 10 2D TOCSY 3.8mM Natural Abundance Distinctin; NaN3 100% D2O NULL 6.4 ambient 310
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software simulated annealing with cartesian coordinate dynamics the structures are based on a total of 636 restraints, 548 are NOE-derived distance constraints, 88 distance restraints from hydrogen bonds. Amber
NMR Ensemble Information Conformer Selection Criteria Structures within a prefixed threshold of amber energy, solvent accessible surface area and symmetry-based penalty functions (see jrnl) Conformers Calculated Total Number 150 Conformers Submitted Total Number 24 Representative Model 20 (structure within a prefixed threshold of amber energy, solvent accessible surface area and symmetry-based penalty functions)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 structure solution Amber 5 Kollman, Case 2 refinement Amber 5 Kollman, Case 3 data analysis MOLMOL 2K.2 Koradi 4 processing XwinNMR 2.0 Bruker