1P5P

Solution Structure of HCV IRES Domain II (minimized average structure)

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D S-NOESY	0.5-1.5mM HCV IRES domain II RNA 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	96% D2O, 4% H2O	100mM NaCl, 5mM MgCl2	6.40	ambient	298
2	2D NOESY	0.5-1.5mM HCV IRES domain II RNA 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	100% D2O	100mM NaCl, 5mM MgCl2	6.40	ambient	303
3	DQF-COSY	0.5-1.5mM HCV IRES domain II RNA 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	100% D2O	100mM NaCl, 5mM MgCl2	6.40	ambient	303
4	2D HP-COSY	0.5-1.5mM HCV IRES domain II RNA 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	100% D2O	100mM NaCl, 5mM MgCl2	6.40	ambient	303
5	3D_13C-separated_NOESY	0.5-1.5mM HCV IRES domain II RNA U-15N,13C 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	100% D2O	100mM NaCl, 5mM MgCl2	6.40	ambient	303
6	3D HCP	0.5-1.5mM HCV IRES domain II RNA U-15N,13C 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	100% D2O	100mM NaCl, 5mM MgCl2	6.40	ambient	303
7	3D HMQC-TOCSY	0.5-1.5mM HCV IRES domain II RNA U-15N,13C 10mM phosphate buffer 100mM sodium chloride 5mM magnesium chloride	100% D2O	100mM NaCl, 5mM MgCl2	6.40	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
see reference above	see reference above	VNMR

NMR Ensemble Information
Conformer Selection Criteria	minimized average structure
Conformers Calculated Total Number	200
Conformers Submitted Total Number	1
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	The structure was solved using triple resonance, multidimensional NMR spectroscopy and TROSY-type experiments to measure residual dipolar couplings

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	VNMR	6.1C	Varian
2	data analysis	Sparky	3	Goddard, T.D. & Kneller D.G.
3	refinement	X-PLOR	3.1	Brunger, A.T.
4	refinement	CNS	1.1	Brunger, A.T. et al
5	refinement	PALES	1	Zweckstetter, M. & Bax, A.