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Structure of cyclotide Kalata B1 in DPC micelles solution
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 3.6mM Kalata B1, 216mM perdeuterated DPC, 90% H2O, 10% D2O 90% H2O/10% D2O 0 2.8 ambient 313 2 2D TOCSY 3.6mM Kalata B1, 216mM perdeuterated DPC, 90% H2O, 10% D2O 90% H2O/10% D2O 0 2.8 ambient 313 3 DQF-COSY 3.6mM Kalata B1, 216mM perdeuterated DPC, 90% H2O, 10% D2O 90% H2O/10% D2O 0 2.8 ambient 313 4 long-range HMQC 3.6mM Kalata B1 100% D2O 0 2.8 ambient 313
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500 2 Varian UNITY 600
NMR Refinement Method Details Software simulated annealing in torsion angle space No energy minimization was done CYANA
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations, target function Conformers Calculated Total Number 100 Conformers Submitted Total Number 20 Representative Model 1 (fewest violations)
Additional NMR Experimental Information Details This structure was determined from 1H homonuclear data in combination with 3JHBC' measured for Cys residues in D2O solution.
Computation: NMR Software # Classification Version Software Name Author 1 structure solution CYANA 1.01 Guntert,P. 2 processing XwinNMR 2.6 Bruker 3 processing VNMR 6.1c Varian 4 data analysis XEASY x Bartels,C. 5 refinement CYANA 1.01 P.Guntert