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NMR SOLUTION STRUCTURE OF THE ANTICODON OF TRNA(LYS3) WITH T6A MODIFICATION AT POSITION 37
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1.2 mM RNA, 10 mM cacodylate buffer, pH 5.6, 0.1 mM EDTA 94% H2O, 6% D2O 5.6 1 atm 289
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 500
NMR Refinement Method Details Software global fold by distance geometry. Refinement by simulated annealing using the AMBER forcefield 272 restraints, 207 NOE-derived, 13 h-bond, 52 dihedral angle. Chi torsion was left unrestrained although likely anti for all residues. Felix
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 11 Representative Model 1 (minimized average structure of family a (struct 2-5))
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 Felix 98 msi 2 refinement Discover 98 msi