6GH0

Two-quartet kit* G-quadruplex is formed via double-stranded pre-folded structure

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.5 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 800
2	2D 1H-1H NOESY	0.5 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 600
3	1D 1H-15N HSQC	0.5 mM 10% 13C, 10% 15N DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 600
4	2D 1H-15N HSQC	0.5 mM 10% 13C, 10% 15N DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 600
5	2D 1H-13C HSQC	0.5 mM 10% 13C, 10% 15N DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 600
6	2D 1H-1H TOCSY	0.4 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	7.8	1 atm	310	Varian Uniform NMR System 800
7	2D 1H-13C HSQC aromatic	0.4 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 800
8	2D 1H-15N HSQC NH2 only	0.5 mM 10% 13C, 10% 15N DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 600
9	2D DQF-COSY	0.4 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	7.8	1 atm	310	Varian Uniform NMR System 800
10	2D 1H-1H NOESY	0.4 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 600
11	2D 1H-1H NOESY	0.4 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	7.4	1 atm	310	Varian Uniform NMR System 800
12	2D 1H-1H NOESY	0.4 mM DNA (5'-D(*GP*GP*CP*GP*AP*GP*GP*AP*GP*GP*GP*GP*CP*GP*TP*GP*GP*CP*CP*GP*GP*C)-3'), 100 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	7.8	1 atm	310	Varian Uniform NMR System 800

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

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	collection	VNMR	3.2A	Varian
2	processing	VNMR	3.2A	Varian
3	chemical shift assignment	Sparky	3.114	Goddard
4	peak picking	Sparky	3.114	Goddard
5	structure calculation	Amber	14	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
6	refinement	Amber	14	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman