6JWD

structure of RET G-quadruplex in complex with berberine

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	1.4 mM RET G4-DNA, 1.68 mM BERBERINE, 20 mM Potassium Phosphate Monobasic, 80 mM potassium chloride	90% H2O/10% D2O	100 mM	6.8	1 atm	293	Agilent INOVA 600
2	2D 1H-1H TOCSY	1.4 mM RET G4-DNA, 1.68 mM BERBERINE, 20 mM Potassium Phosphate Monobasic, 80 mM potassium chloride	90% H2O/10% D2O	100 mM	6.8	1 atm	293	Agilent INOVA 600
3	2D 1H-1H COSY	1.4 mM RET G4-DNA, 1.68 mM BERBERINE, 20 mM Potassium Phosphate Monobasic, 80 mM potassium chloride	90% H2O/10% D2O	100 mM	6.8	1 atm	293	Agilent INOVA 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Agilent	INOVA	600

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	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRDraw		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	chemical shift assignment	Sparky		Goddard
3	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore