7DO1

Solution structure of a heteromolecular telomeric (3+1) G-quadruplex containing right loop progression

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	4 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 4.2 mM DNA (5'-D(*TP*TP*AP*GP*GP*G)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 10 % v/v [U-99% 2H] D2O, 90 % v/v H2O	90% H2O/10% D2O	0.1 M	6.8	1 atm	303	Bruker AVANCE 600
2	2D 1H-1H NOESY	4 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 4.2 mM DNA (5'-D(*TP*TP*AP*GP*GP*G)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 100 % v/v [U-99% 2H] D2O	100% D2O	0.1 M	6.8	1 atm	303	Bruker AVANCE 600
3	2D 1H-15N HSQC	4 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 4.2 mM DNA (5'-D(*TP*TP*AP*GP*GP*G)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 10 % v/v [U-99% 2H] D2O, 90 % v/v H2O	90% H2O/10% D2O	0.1 M	6.8	1 atm	303	Bruker AVANCE 600
4	2D 1H-13C HSQC	4 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 4.2 mM DNA (5'-D(*TP*TP*AP*GP*GP*G)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 100 % v/v [U-99% 2H] D2O	100% D2O	0.1 M	6.8	1 atm	303	Bruker AVANCE 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	3.6.2	Bruker Biospin
2	chemical shift assignment	CcpNmr Analysis	2.4.2	CCPN
3	geometry optimization	X-PLOR NIH	3.0.3	Schwieters, Kuszewski, Tjandra and Clore
4	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore