6JCE | pdb_00006jce

NMR solution and X-ray crystal structures of a DNA containing both right-and left-handed parallel-stranded G-quadruplexes

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	1.5 mM TBA-TT-Block2, 70 mM potassium chloride, 20 mM potassium phosphate, 20 uM DSS	90% H2O/10% D2O	90 mM	7	1 atm	298	Bruker AVANCE III 800
2	2D 1H-1H NOESY	1.5 mM TBA-TT-Block2, 70 mM potassium chloride, 20 mM potassium phosphate, 20 uM DSS	90% H2O/10% D2O	90 mM	7	1 atm	298	Bruker AVANCE III 800
3	2D 1H-13C HSQC aliphatic	1.5 mM TBA-TT-Block2, 70 mM potassium chloride, 20 mM potassium phosphate, 20 uM DSS	90% H2O/10% D2O	90 mM	7	1 atm	298	Bruker AVANCE II 600
4	2D 1H-13C HSQC aromatic	1.5 mM TBA-TT-Block2, 70 mM potassium chloride, 20 mM potassium phosphate, 20 uM DSS	90% H2O/10% D2O	90 mM	7	1 atm	298	Bruker AVANCE II 600
5	2D 1H-1H TOCSY	1.5 mM TBA-TT-Block2, 70 mM potassium chloride, 20 mM potassium phosphate, 20 uM DSS	90% H2O/10% D2O	90 mM	7	1 atm	298	Bruker AVANCE II 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE II	600
2	Bruker	AVANCE III	800

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	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	Sparky		Goddard
2	collection	TopSpin		Bruker Biospin
3	peak picking	Sparky		Goddard
4	processing	TopSpin		Bruker Biospin
5	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore