Experiment: 7UMD

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	1 mM RNA (40-MER), 10 mM potassium phosphate	100% D2O	50 mM	6.5	1 atm	298	Bruker AVANCE III 600
2	2D 1H-1H TOCSY	1 mM RNA (40-MER), 10 mM potassium phosphate	100% D2O	50 mM	6.5	1 atm	298	Bruker AVANCE III 600
3	2D 1H-1H NOESY	1 mM RNA (40-MER), 10 mM potassium phosphate	95% H2O/5% D2O	50 mM	6.5	1 atm	298	Bruker AVANCE III 800
4	2D 1H-1H NOESY	1 mM [U-2H] RNA (40-MER), 10 mM potassium phosphate	100% D2O	50 mM	6.5	1 atm	298	Bruker AVANCE III 600
5	2D 1H-1H TOCSY	1 mM RNA (40-MER), 10 mM potassium phosphate	100% D2O	50 mM	6.5	1 atm	298	Bruker AVANCE III 700
6	2D 1H-1H NOESY	1 mM RNA (40-MER), 10 mM potassium phosphate	100% D2O	50 mM	6.5	1 atm	298	Bruker AVANCE III 700

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600
2	Bruker	AVANCE III	700
3	Bruker	AVANCE III	800

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	400
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.