1ZC5

Structure of the RNA signal essential for translational frameshifting in HIV-1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM RNA, 10mM Na phosphate buffer pH=6.4, 90% H2O, 10% D2O	90% H2O/10% D2O	10mM Na phosphate	6.4	ambient	283
2	2D TOCSY, DQF-COSY, HP COSY	1mM RNA, 10mM Na phosphate buffer pH=6.4	100% D2O	10mM Na phosphate	6.4	ambient	303
3	3D-HCCH-TOCSY, HSQC, 3D HCP	1mM RNA 15N, 13C, 10mM Na phosphate buffer pH=6.4	100% D2O	10mM Na phosphate	6.4	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	800
2	Bruker	DRX	600
3	Varian	INOVA	500

NMR Refinement
Method	Details	Software
simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	23
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	3.1
2	data analysis	Gifa	4.4	Delsuc, M.A.
3	data analysis	AURELIA
4	data analysis	Sparky	3.110
5	refinement	Discover

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.