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Structure of stacked G-quadruplex formed by human TERRA sequence in potassium solution
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-13C HSQC aliphatic 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 90% H2O/10% D2O 90 7 ambient 298 2 2D 1H-13C HSQC aromatic 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 90% H2O/10% D2O 90 7 ambient 298 3 2D 1H-1H TOCSY 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 90% H2O/10% D2O 90 7 ambient 298 4 2D 1H-1H COSY 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 90% H2O/10% D2O 90 7 ambient 298 5 2D 1H-1H NOESY 1.25 mM RNA (5'-R(*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')-1 90% H2O/10% D2O 90 7 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600 2 Bruker AVANCE 700
NMR Refinement Method Details Software DGSA-distance geometry simulated annealing, molecular dynamics X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Additional NMR Experimental Information Details The structure was determined using NOE
Computation: NMR Software # Classification Version Software Name Author 1 structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 2 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment Felix Accelrys Software Inc. 4 peak picking Felix Accelrys Software Inc.