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Solution NMR structure of quadruplex d(TGGGTTTGGGTTGGGTTTGGG) in sodium conditions
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 5-6 mM D(*TP*GP*GP*GP*TP*TP*TP*GP*GP*GP*TP*TP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3', 20 mM sodium phosphate, 70 mM sodium chloride 100% D2O 95 6.8 ambient 293 2 2D 1H-1H DQF-COSY 5-6 mM D(*TP*GP*GP*GP*TP*TP*TP*GP*GP*GP*TP*TP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3', 20 mM sodium phosphate, 70 mM sodium chloride 100% D2O 95 6.8 ambient 293 3 2D 1H-1H NOESY 5-6 mM D(*TP*GP*GP*GP*TP*TP*TP*GP*GP*GP*TP*TP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3', 20 mM sodium phosphate, 70 mM sodium chloride 100% D2O 95 6.8 ambient 293 4 2D 1H-1H NOESY 5-6 mM D(*TP*GP*GP*GP*TP*TP*TP*GP*GP*GP*TP*TP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3', 20 mM sodium phosphate, 70 mM sodium chloride 93% H2O/7% D2O 95 6.8 ambient 278 5 2D 1H-31P HSQC 5-6 mM D(*TP*GP*GP*GP*TP*TP*TP*GP*GP*GP*TP*TP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3', 20 mM sodium phosphate, 70 mM sodium chloride 100% D2O 95 6.8 ambient 293 6 2D 1H-13C HMBC (H1-H8 long range correlation) 5-6 mM D(*TP*GP*GP*GP*TP*TP*TP*GP*GP*GP*TP*TP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3', 20 mM sodium phosphate, 70 mM sodium chloride 93% H2O/7% D2O 95 6.8 ambient 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian VNMRS 500 500
NMR Refinement Method Details Software DGSA-distance geometry simulated annealing, molecular dynamics VnmrJ
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection VnmrJ Varian 2 processing Felix Accelrys Software Inc. 3 chemical shift assignment Felix Accelrys Software Inc. 4 data analysis Felix Accelrys Software Inc. 5 chemical shift assignment Sparky Goddard 6 data analysis Sparky Goddard 7 data analysis MOLMOL Koradi, Billeter and Wuthrich 8 structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 9 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore