2L2J

Solution NMR structure of the lower part of the R/G stem loop RNA

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	1.5 mM RNA (42-MER)-1	90% H2O/10% D2O	20	6.2	AMBIENT	278
2	3D 1H-13C NOESY	1.5 mM RNA (42-MER)-2	100% D2O	20	6.2	AMBIENT	278
3	2D 1H-13C HSQC	1.5 mM RNA (42-MER)-2	100% D2O	20	6.2	AMBIENT	278
4	2D 1H-1H TOCSY	1.5 mM RNA (42-MER)-1	90% H2O/10% D2O	20	6.2	AMBIENT	278

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX, AVANCE	500

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS, SIMULATED ANNEALING		AMBER

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	refinement	AMBER		CASE, D.A. ET AL.
2	structure solution	TOPSPIN	2.0	Bruker Biospin
3	structure solution	SPARKY		Goddard
4	structure solution	CYANA		Guntert, Mumenthaler and Wuthrich

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.