2MKM

G-triplex structure and formation propensity

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D DQF-COSY	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
2	2D 1H-1H TOCSY	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
3	2D 1H-1H NOESY	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
4	2D 1H-1H ROESY	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
5	2D JR-HMBC	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
6	E.COSY	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
7	2D 31P-1H HSQC	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
8	2D 31P-1H COSY	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
9	2D 13C-1H HSQC	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274
10	IPAP	0.7 mM DNA (5'-D(*GP*GP*TP*TP*GP*GP*TP*GP*TP*GP*G)-3'), 70 mM potassium chloride, 10 mM potassium phosphate, 0.2 mM EDTA	90% H2O/10% D2O	0.08	7	ambient	274

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	900
2	Bruker	AVANCE	800
3	Bruker	AVANCE	700
4	Bruker	AVANCE	600
5	Bruker	DRX	500
6	Bruker	AVANCE	950

NMR Refinement
Method	Details	Software
restrained Molecular Dynamics (rMD)		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	400
Conformers Submitted Total Number	10
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
2	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, Kollman
3	chemical shift assignment	CARA	2.1	Keller and Wuthrich
4	collection	TopSpin		Bruker Biospin
5	processing	TopSpin		Bruker Biospin