7V3T

Solution structure of thrombin binding aptamer G-quadruplex bound a self-adaptive small molecule with rotated ligands

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1 mM TBA G4, 1 mM Pt compound, 75 mM potassium chloride, 25 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE III 700
2	2D TOCSY	1 mM TBA G4, 1 mM Pt compound, 75 mM potassium chloride, 25 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE III 600
3	2D NOESY	1 mM TBA G4, 1 mM Pt compound, 75 mM potassium chloride, 25 mM potassium phosphate	100% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE III 700
4	2D TOCSY	1 mM TBA G4, 1 mM Pt compound, 75 mM potassium chloride, 25 mM potassium phosphate	100% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE III 600
5	2D COSY	1 mM TBA G4, 1 mM Pt compound, 75 mM potassium chloride, 25 mM potassium phosphate	100% D2O	100 mM	7.0	1 atm	298	Bruker AVANCE III 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600
2	Bruker	AVANCE III	700

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing		X-PLOR NIH
molecular dynamics		Discovery Studio

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	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	structure calculation	Discovery Studio		Accelrys Software Inc.
3	chemical shift assignment	Sparky		Goddard
4	peak picking	Sparky		Goddard