2KUW

Solution Structure of K10 TLS RNA (A-form mutant in lower helix)

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 RNA (48-MER)-1	95% H2O/5% D2O	0.01	6.0	ambient	298
2	2D 1H-1H NOESY	0.6 mM RNA (48-MER)-2	100% D2O	0.01	6.0	ambient	298
3	2D 1H-1H TOCSY	0.6 mM RNA (48-MER)-2	100% D2O	0.01	6.0	ambient	298
4	2D DQF-COSY	0.6 mM RNA (48-MER)-2	100% D2O	0.01	6.0	ambient	298
5	2D HP COSY	0.6 mM RNA (48-MER)-2	100% D2O	0.01	6.0	ambient	298
6	2D HNN COSY	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-3	95% H2O/5% D2O	0.01	6.0	ambient	298
7	3D HCCH-TOCSY	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-4	100% D2O	0.01	6.0	ambient	298
8	3D HCCH-COSY	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-4	100% D2O	0.01	6.0	ambient	298
9	3D 13C NOESY-HSQC	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-4	100% D2O	0.01	6.0	ambient	298
10	3D HCP	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-4	100% D2O	0.01	6.0	ambient	298
11	3D 13C HMQC TOCSY	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-4	100% D2O	0.01	6.0	ambient	298
12	2D 13C CT-TROSY	0.8 mM [U-99% 13C; U-99% 15N] RNA (48-MER)-4	100% D2O	0.01	6.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	600
2	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
simulated annealing, restrained molecular dynamics with RDCs		TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	400
Conformers Submitted Total Number	11
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	STRUCTURE WAS DETERMINED USING TRIPLE RESONANCE, MULTIDIMENSIONAL NMR SPECTROSCOPY AND TROSY-TYPE EXPERIMENTS TO MEASURE RESIDUAL DIPOLAR COUPLINGS

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	TopSpin		Bruker Biospin
3	peak picking	Sparky		Goddard
4	chemical shift assignment	Sparky		Goddard
5	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore