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Solution structure of alpha-conotoxin AuIB
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2mM peptide 90% H2O/10% D2O 0 3.5 atmospheric atm 290 2 2D TOCSY 2mM peptide 90% H2O/10% D2O 0 3.5 atmospheric atm 290 3 E-COSY 2mM peptide 90% H2O/10% D2O 0 3.5 atmospheric atm 290 4 DQF-COSY 2mM peptide 90% H2O/10% D2O 0 3.5 atmospheric atm 290
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 750 2 Bruker ARX 500
NMR Refinement Method Details Software simulated annealing, molecular dynamics, energy minimisation in a CHARM forcefield 32 medium and 18 long range NOEs were included, 7 dihedral angle restraints were included, 5 H-bond restraints were included XwinNMR
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 20 Representative Model 8 (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 collection XwinNMR 2.6 Bruker 2 processing XwinNMR 2.6 Bruker 3 refinement X-PLOR 3.851 then 3.1f Brunger 4 structure solution X-PLOR 3.851 then 3.1f Brunger