9K70 | pdb_00009k70

A (3+1) hybrid G-quadruplex assembled between two strands of human telomeric DNA and RNA

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	0.8 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 0.8 mM RNA (5'-R(*UP*AP*GP*GP*GP*U)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 100 % [U-100% 2H] D2O	100% D2O	0.22 mM	6.8	1 atm	288	Bruker AVANCE 600
2	2D 1H-1H NOESY	0.8 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 0.8 mM RNA (5'-R(*UP*AP*GP*GP*GP*U)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-100% 2H] D2O, 95 % H2O	95% H2O/5% D2O	0.22 mM	6.8	1 atm	288	Bruker AVANCE 600
3	2D 1H-13C HSQC	0.8 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 0.8 mM RNA (5'-R(*UP*AP*GP*GP*GP*U)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 100 % [U-100% 2H] D2O	100% D2O	0.22 mM	6.8	1 atm	288	Bruker AVANCE 600
4	2D 1H-15N HSQC	0.8 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 0.8 mM RNA (5'-R(*UP*AP*GP*GP*GP*U)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 5 % [U-100% 2H] D2O, 95 % H2O	95% H2O/5% D2O	0.22 mM	6.8	1 atm	288	Bruker AVANCE 500
5	2D DQF-COSY	0.8 mM DNA (5'-D(*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*GP*GP*G)-3'), 0.8 mM RNA (5'-R(*UP*AP*GP*GP*GP*U)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 100 % [U-100% 2H] D2O	100% D2O	0.22 mM	6.8	1 atm	288	Bruker AVANCE 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	500
Conformers Submitted Total Number	12
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	chemical shift assignment	CcpNmr Analysis		CCPN
3	data analysis	CcpNmr Analysis		CCPN
4	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore