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SOLUTION NMR STRUCTURE OF SELF-COMPLIMENTARY DUPLEX 5'-D(TCCG*CGGA)2 CONTAINING A TRIMETHYLENE CROSSLINK AT THE N2 POSITION OF G*
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 2 mM crosslinked duplex, 10 mM sodium phosphate buffer, 0.1 M NaCl, 50 mM EDTA, pH 7.1 99.996 % D2O 7.10 ambient 303 2 DQF-COSY 2 mM crosslinked duplex, 10 mM sodium phosphate buffer, 0.1 M NaCl, 50 mM EDTA, pH 7.1 90% H2O/10% D2O 3 PE-COSY
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AMX 500
NMR Refinement Method Details Software NOE-restrained molecular dynamics; simulated annealing Further details about the structural refinement including the trimethylene chain can be found in the journal article. Felix
NMR Ensemble Information Conformer Selection Criteria Conformers Calculated Total Number Conformers Submitted Total Number 1 Representative Model (minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 processing Felix 95 Biosym Technologies 2 iterative matrix relaxation MARDIGRAS B.A.Borgias, T.L.L.James 3 structure solution X-PLOR 3.1 A.T.Brunger 4 data analysis CORMA 3.85 J.W.Keepers, T.L.James 5 refinement X-PLOR 3.1 A.T.Brunger