5XI1

Structural Insight of Flavonoids binding to CAG repeat RNA that causes Huntington's Disease (HD) and Spinocerebellar Ataxia (SCAs)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.54 mM RNA (5'-R(P*CP*CP*GP*CP*AP*GP*CP*GP*G)-3'), 3.08 mM MYC	90% H2O/10% D2O	10 mM	7.2	760 mmHg	300	Bruker AVANCE III 500
2	2D 1H-13C HSQC	1.54 mM RNA (5'-R(P*CP*CP*GP*CP*AP*GP*CP*GP*G)-3'), 3.08 mM MYC	90% H2O/10% D2O	10 mM	7.2	760 mmHg	300	Bruker AVANCE III 500

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	500

NMR Refinement
Method	Details	Software
simulated annealing	9 intermolecular restrainst	Discover

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	TopSpin	3.1	Bruker Biospin
2	refinement	Discover		Accelrys Software Inc.
3	processing	TopSpin		Bruker Biospin
4	processing	Sparky		Goddard