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HAIRPINLESS MUTANT OF OMEGA-ATRACOTOXIN-HV1A
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D_NOESY 3 mM hairpinless peptide, 0.1 mM TSP, 25 micromolar chloramphenicol 5% D2O, 95% H2O 0.005 4.9 1 atm 298 2 2D_TOCSY 3 mM hairpinless peptide, 0.1 mM TSP, 25 micromolar chloramphenicol 5% D2O, 95% H2O 0.005 4.9 1 atm 298 3 E-COSY 3 mM hairpinless peptide, 0.1 mM TSP, 25 micromolar chloramphenicol 5% D2O, 95% H2O 0.005 4.9 1 atm 298 4 2D_NOESY 3 mM hairpinless peptide, 0.1 mM TSP, 25 micromolar chloramphenicol 100% D2O 0.005 4.9 1 atm 298 5 E-COSY 3 mM hairpinless peptide, 0.1 mM TSP, 25 micromolar chloramphenicol 100% D2O 0.005 4.9 1 atm 298 6 2D_TOCSY 3 mM hairpinless peptide, 0.1 mM TSP, 25 micromolar chloramphenicol 100% D2O 0.005 4.9 1 atm 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600
NMR Refinement Method Details Software Torsion angle dynamics followed by dynamical simulated annealing The structures are based on a total of 231 NOE-derived distance restraints, 19 dihedral-angle restraints, and 16 restraints defining 8 hydrogen bonds. XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details This structure was determined using standard 2D homonuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 data analysis XwinNMR 2.0 Bruker 2 data analysis XEASY 1.3.13 Tae-he Xia and Christian Bartels 3 structure solution DYANA 1.5 Peter Guntert, Christian Mumenthaler, and Torsten Herrman 4 refinement X-PLOR 3.1 Axel Brunger