Experiment: 6PK9

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	0.9 mM RNA	90% H2O/10% D2O	20 mM Sodium Phosphate + 0.01 mM EDTA	6.0	1 atm	278	Bruker AVANCE III 800
2	2D 1H-1H TOCSY	0.6 mM RNA	100% D2O	none	6.0	1 atm	298	Bruker AVANCE III 600
3	2D 1H-1H NOESY	0.6 mM RNA	100% D2O	none	6.0	1 atm	298	Bruker AVANCE III 600
4	2D 1H-1H NOESY	0.6 mM RNA	100% D2O	none	6.0	1 atm	298	Bruker AVANCE III 600
5	2D 1H-15N HSQC	0.5 mM [U-13C; U-15N] RNA	90% H2O/10% D2O	20 mM Sodium Phosphate + 0.01 mM EDTA	6.0	1 atm	278	Bruker AVANCE III 600
6	2D 1H-13C HSQC	0.5 mM [U-13C; U-15N] RNA	100% D2O	none	6.0	1 atm	298	Bruker AVANCE III 800

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

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	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

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

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.