2LRX

RNA structural dynamics are modulated through anti-folding by chaperones

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
2	2D 1H-13C HSQC	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
3	2D 1H-1H NOESY	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
4	3D HNCO	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
5	3D 1H-15N NOESY	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
6	3D HNHA	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
7	3D 1H-13C NOESY	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298
8	3D HNCACB	1 mM [U-99% 13C; U-99% 15N] CTD-StpA	90% H2O/10% D2O	.075	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	500
3	Bruker	AVANCE	600
4	Bruker	AVANCE	700

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	chemical shift assignment	Sparky		Goddard
4	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read