☰ Navigation Tabs
The structure of a chair-type G-quadruplex of the human telomeric variant in K+ solution
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 2.5 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3') 90% H2O/10% D2O 90 mM 7 ambient Pa 284 Varian INOVA 800 2 2D 1H-1H NOESY 2.5 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3') 100% D2O 90 mM 7 ambient Pa 284 Varian INOVA 800 3 2D 1H-1H TOCSY 2.5 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3') 100% D2O 90 mM 7 ambient Pa 284 Varian INOVA 500 4 2D 1H-1H COSY 2.5 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3') 100% D2O 90 mM 7 ambient Pa 284 Varian INOVA 800 5 2D 1H-13C HSQC 2.5 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*TP*GP*GP*G)-3') 100% D2O 90 mM 7 ambient Pa 284 Varian INOVA 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian INOVA 800 2 Varian INOVA 500
NMR Refinement Method Details Software simulated annealing the structures are based on a total of 304 distance constriants 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)
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR Varian 2 chemical shift calculation NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard 5 data analysis Sparky Goddard 6 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 7 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore