8KF9

Stable G-quadruplex Conformation Formed in Promoter Region of Oncogene RET in 50 mM K+ solution

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	1 mM DNA (5'-D(*GP*GP*GP*TP*AP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*G)-3'), 30 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	6.8	1 atm	298	Agilent DD2 600
2	2D 1H-1H NOESY	1 mM DNA (5'-D(*GP*GP*GP*TP*AP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*G)-3'), 30 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	6.8	1 atm	298	Agilent DD2 600
3	2D DQF-COSY	1 mM DNA (5'-D(*GP*GP*GP*TP*AP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*G)-3'), 30 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	6.8	1 atm	298	Agilent DD2 600
4	2D 1H-1H TOCSY	1 mM DNA (5'-D(*GP*GP*GP*TP*AP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*G)-3'), 30 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	6.8	1 atm	298	Agilent DD2 600
5	1H-15N HSQC	0.1 mM U-6% 15N Guanine DNA (5'-D(*GP*GP*GP*TP*AP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*G)-3'), 30 mM potassium chloride, 20 mM potassium phosphate	100% D2O	100 mM	6.8	1 atm	298	Agilent DD2 800
6	2D 1H-13C HSQC	1 mM DNA (5'-D(*GP*GP*GP*TP*AP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*GP*GP*GP*GP*CP*G)-3'), 30 mM potassium chloride, 20 mM potassium phosphate	90% H2O/10% D2O	100 mM	6.8	1 atm	298	Agilent DD2 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600
2	Agilent	DD2	800
3	Agilent	DD2	600

NMR Refinement
Method	Details	Software
simulated annealing	the structures based on 52 hydrogen bosnd	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	15
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	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	chemical shift assignment	Sparky		Goddard