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Solution structure of the third helix of Antennapedia homeodomain derivatives (RQIKIWFRKWKK)
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1.5mM peptide; 90% TFEd2, 10% D2O 90% TFEd2, 10% D2O 3 ambient 300
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 500
NMR Refinement Method Details Software simulated annealing and molecular dynamics the structures are based on a total of 291 NOE-derived
distance restraints Felix
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 16 Representative Model 1 (fewest violations,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 processing Felix 97.2 San Diego, MSI 2 data analysis Felix 97.2 San Diego, MSI 3 refinement X-PLOR 3.851 BRUNGER 4 structure solution X-PLOR 3.851 BRUNGER