5LQH

A two-quartet G-quadruplex formed by human telomere in KCl solution at pH 5.0

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1D 1H-15N HSQC	1 mM 8% 13C, 8% 15N DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	90% H2O/10% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 600
2	2D 1H-15N HSQC NH2 only	1 mM 8% 13C, 8% 15N DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	90% H2O/10% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 600
3	2D 1H-13C HSQC aromatic	1 mM 8% 13C, 8% 15N DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	90% H2O/10% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 600
4	2D 1H-1H TOCSY	1 mM DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	90% H2O/10% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 600
5	2D 1H-1H TOCSY	1 mM DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	100% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 600
6	2D NOESY	1 mM DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	100% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 800
9	2D NOESY	1 mM DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	90% H2O/10% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 800
8	2D ROESY	1 mM DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	90% H2O/10% D2O	70 mM	5.0	1 atm	278	Varian Uniform NMR System 600
7	2D DQF-COSY	1 mM DNA (5'-D(*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*G)-3'), 70 mM potassium chloride	100% D2O	70 mM	5.0	1 atm	278	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	collection	VNMR		Varian
2	processing	VNMR		Varian
3	chemical shift assignment	VNMR		Varian
4	peak picking	Sparky		Goddard
5	chemical shift 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