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The structure of RNA aptamer for HIV Tat complexed with two argininamide molecules
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_15N-separated_NOESY 1.7mM RNA U-15N,13C; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 95% H2O/5% D2O 6.7 ambient 278 2 3D_13C-separated_NOESY 1.7mM RNA U-15N,13C; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308 3 2D NOESY 1.7mM RNA; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 95% H2O/5% D2O 6.7 ambient 278 4 2D NOESY 1.7mM RNA; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308 5 2D TOCSY 1.7mM RNA; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308 6 DQF-COSY 1.7mM RNA; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308 7 1H-31P HetCor 1.7mM RNA; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308 8 spin echo difference CT 1H-13C HSQC 1.7mM RNA U-15N,13C; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308 9 HNN-COSY 1.7mM RNA U-15N,13C; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 95% H2O/5% D2O 6.7 ambient 278 10 HNN-COSY 1.7mM RNA U-15N,13C; 6.8mM argininamide; 10mM sodium phosphate buffer; 30mM NaCl; 0.1mM EDTA 100% D2O 6.7 ambient 308
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600
NMR Refinement Method Details Software simulated annealing X-PLOR
NMR Ensemble Information Conformer Selection Criteria Conformers Calculated Total Number Conformers Submitted Total Number 1 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR 3.851 Brunger 2 refinement X-PLOR 3.851 Brunger