☰ Navigation Tabs
Structure and dynamics of surfactin studied by NMR in micellar media
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 DQF-COSY 4mM surfactin in 90% H2O, 10% D2O (pH 5.1); 50mM SDS-d25 90% H2O/10% D2O 5.1 ambient 298 2 2D TOCSY 4mM surfactin in 90% H2O, 10% D2O (pH 5.1); 50mM SDS-d25 90% H2O/10% D2O 5.1 ambient 298 3 2D NOESY 4mM surfactin in 90% H2O, 10% D2O (pH 5.1); 50mM SDS-d25 90% H2O/10% D2O 5.1 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software distance geometry, simulated annealing the structures are based on a total of 49 restraints, 47 are NOE-derived
distance constraints and 2 are dihedral angle restraints X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations, structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 24 Representative Model 1 (closest to the average)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques
Computation: NMR Software # Classification Version Software Name Author 1 processing X-PLOR 3.851 2 refinement CHARMM 22 3 data analysis Gifa 4.0 Marc-Andre Delsuc 4 data analysis MOLMOL