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guanidino neomycin B recognition of an HIV-1 RNA helix
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1mM mM HIV-1 frameshift site RNA, 0.5mM mM [U,G,C,A] 100% 15N, 100% 13C HIV-1 frameshift site RNA 100% D2O 50 6.8 ambient 303 2 2D 1H-1H TOCSY 1mM mM HIV-1 frameshift site RNA, 0.5mM mM [U,G,C,A] 100% 15N, 100% 13C HIV-1 frameshift site RNA 100% D2O 50 6.8 ambient 303 3 2D HMBC 1mM mM HIV-1 frameshift site RNA, 0.5mM mM [U,G,C,A] 100% 15N, 100% 13C HIV-1 frameshift site RNA 100% D2O 50 6.8 ambient 303 4 2D 1H-13C HSQC 1mM mM HIV-1 frameshift site RNA, 0.5mM mM [U,G,C,A] 100% 15N, 100% 13C HIV-1 frameshift site RNA 100% D2O 50 6.8 ambient 303 5 2D 1H-13C HSQC 1mM mM HIV-1 frameshift site RNA, 0.5mM mM [U,G,C,A] 100% 15N, 100% 13C HIV-1 frameshift site RNA 100% D2O 50 6.8 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DMX 750 2 Bruker DMX 600 3 Varian INOVA 900 4 Varian INOVA 800
NMR Refinement Method Details Software molecular dynamics Amber
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)
Computation: NMR Software # Classification Version Software Name Author 1 refinement Amber Case, D.A. et al. 2 structure solution CNS Brunger, A.T. et al. 3 structure visualization MOLMOL Koradi, R. et al. 4 chemical shift assignment Sparky Goddard, T.D. et al. 5 structure solution X-PLOR NIH Schwieters, C.D. et al. 6 collection XwinNMR Bruker Biospin 7 collection NMRPipe Delaglio, F. et al.