2M27

Major G-quadruplex structure formed in human VEGF promoter, a monomeric parallel-stranded quadruplex

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.2 mM DNA (5'-D(*CP*GP*GP*GP*GP*CP*GP*GP*GP*CP*CP*TP*TP*GP*GP*GP*CP*GP*GP*GP*GP*T)-3')	90% H2O/10% D2O	100	7.0	ambient	298
2	2D 1H-1H TOCSY	0.2 mM DNA (5'-D(*CP*GP*GP*GP*GP*CP*GP*GP*GP*CP*CP*TP*TP*GP*GP*GP*CP*GP*GP*GP*GP*T)-3')	90% H2O/10% D2O	100	7.0	ambient	298
3	2D 1H-1H COSY	0.2 mM DNA (5'-D(*CP*GP*GP*GP*GP*CP*GP*GP*GP*CP*CP*TP*TP*GP*GP*GP*CP*GP*GP*GP*GP*T)-3')	90% H2O/10% D2O	100	7.0	ambient	298

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

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	10
Conformers Submitted Total Number	10
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH		Brunger
2	geometry optimization	X-PLOR NIH		Brunger
3	refinement	X-PLOR NIH		Brunger