2EVY

GNYA tetranucleotide loops found in poliovirus oriL by in vivo SELEX (un)expectedly form a YNMG-like structure

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1 mM oligonucleotide;	90% H2O/10% D2O	5 mM	6.2	ambient	300
2	2D NOESY	1 mM oligonucleotide	100% D2O	5 mM	6.2	ambient	300
3	2D TOCSY	1 mM oligonucleotide	100% D2O	5 mM	6.2	ambient	300
4	DQF-COSY	1 mM oligonucleotide	100% D2O	5 mM	6.2	ambient	300
5	13C, 1H HSQC	1 mM oligonucleotide	100% D2O	5 mM	6.2	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
torsion angle dynamics		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	18
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.1	F. Delaglio
2	data analysis	Sparky	3.106	T.D. Goddard, D.G. Kneller
3	structure solution	X-PLOR	X-PLOR NIH	A.T. Brunger
4	refinement	X-PLOR	X-PLOR NIH	A.T. Brunger