2AB3

Solution structures and characterization of HIV RRE IIB RNA targeting zinc finger proteins

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.2 mM ZNF29; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298
2	2D TOCSY	1.2 mM ZNF29; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298
3	DQF-COSY	1.2 mM ZNF29; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298
4	E-COSY	1.2 mM ZNF29; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298
5	13 C HSQC	1.2 mM ZNF29; 10 mM phosphate buffer pH *6.4, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate,"100%" D2O	100% D2O	~ 35 mM	6.8	ambient	298
6	15 N HSQC	1.2 mM ZNF29 15N; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298
7	HMQC NOESY	1.2 mM ZNF29 15N; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298
8	HMQC TOCSY	1.2 mM ZNF29 15N; 10 mM phosphate buffer pH 6.8, 2mM Mercaptoethanol, 200 uM Sodium Azide, 50 uM Zinc Sulfate, 90% H2O, 10% D2O	90% H2O/10% D2O	~ 35 mM	6.8	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	600

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics, molecular dynamics	The structure is based on a total of 316 restraints, 249 are NOE-derived distance restraints, 43 dihedral angle restraints, 16 distance restraints from hydrogen bonds, 8 distance constraints from coordinated Zinc ion.	XwinNMR

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

Additional NMR Experimental Information
Details	13 C HSQC done at natural abundance

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.5	Bruker Analytik GmbH
2	data analysis	Sparky	3	Goddard, T.D.
3	refinement	DYANA	1.5	Guentert, P.
4	refinement	Amber	7	Case et al

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.