7QA2

Solution structure of an intramolecular RNA G-quadruplex formed by the 6A mutant from a 22mer guanine-rich sequence within the 5'UTR of BCL-2 proto-oncogene

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	0.6 mM BCL-2 6A	90% H2O/10% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
2	2D 1H-1H NOESY	0.6 mM BCL-2 6A	100% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
3	2D 1H-1H TOCSY	0.6 mM BCL-2 6A	100% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
4	2D 1H-13C HSQC	0.6 mM BCL-2 6A	100% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
5	JR-HMBC	0.6 mM BCL-2 6A	90% H2O/10% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 600
6	H8N2 HNN-COSY	0.15 mM [U-13C; U-15N]-Gua BCL-2 6A	90% H2O/10% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
7	H1N2 HNN-COSY	0.15 mM [U-13C; U-15N]-Gua BCL-2 6A	90% H2O/10% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
8	constant-time HSQC	0.4 mM [U-13C; U-15N]-Ade BCL-2 6A	100% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 600
9	constant-time HSQC	0.15 mM [U-13C; U-15N]-Gua BCL-2 6A	100% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700
10	constant-time HSQC	0.4 mM [U-13C; U-15N]-Ura BCL-2 6A	100% D2O	2 mM	7.0	1 atm	298	Bruker AVANCE 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700

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	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	4.0.6	Bruker Biospin
2	chemical shift assignment	NMRFAM-SPARKY	1.414	Lee W, Tonelli M, Markley JL
3	peak picking	NMRFAM-SPARKY	1.414	Lee W, Tonelli M, Markley JL
4	structure calculation	X-PLOR NIH	3.0	Schwieters, Kuszewski, Tjandra and Clore
5	refinement	X-PLOR NIH	3.0	Schwieters, Kuszewski, Tjandra and Clore