1IDV | pdb_00001idv

NMR structure of HCV ires RNA domain IIIC

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8	90% H2O/10% D2O	10 mM KCl	6.8	ambient	283
2	2D NOESY	10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8	99.996% D2O	10 mM KCl	6.8	ambient	298
3	DQF-COSY	10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8	99.996% D2O	10 mM KCl	6.8	ambient	298
4	2D TOCSY	10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8	99.996% D2O	10 mM KCl	6.8	ambient	298
5	31P Hetero-TOCSY	10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8	99.996% D2O	10 mM KCl	6.8	ambient	298
6	1H-13C HSQC	10 mM Sodium Phosphate buffer, 10 mM KCl, 0.05 mM EDTA, pH 6.8	99.996% D2O	10 mM KCl	6.8	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITYPLUS	750
2	Varian	UNITYPLUS	600

NMR Refinement
Method	Details	Software
simulated annealing molecular dynamics relaxation matrix analysis	The structures are based on 254 NOE restraints, 12 sugar pucker restraints and 9 hydrogen bonds	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum
Conformers Calculated Total Number	20
Conformers Submitted Total Number	10
Representative Model	10 (fewest noe violations)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.1	BRUNGER
2	refinement	MORASS	2.51	POST, MEADOWS, LUXON and GORENSTEIN