5NYT

M2 G-quadruplex 20 wt% ethylene glycol

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.2 mM 0 M2 20EG	90% H2O/10% D2O	120 mM	6.5	1 bar	298	Varian Uniform NMR System 800
2	2D 1H-1H TOCSY	0.2 mM 0 M2 20EG	90% H2O/10% D2O	120 mM	6.5	1 bar	298	Varian Uniform NMR System 800
3	2D DQF-COSY	0.2 mM 0 M2 20EG	90% H2O/10% D2O	120 mM	6.5	1 bar	298	Varian Uniform NMR System 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Uniform NMR System	600
2	Varian	Uniform NMR System	800

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	Amber	14	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	collection	VNMR		Varian
3	chemical shift assignment	Sparky		Goddard