1HWQ | pdb_00001hwq

SOLUTION STRUCTURE OF THE VS RIBOZYME SUBSTRATE STEM-LOOP

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.5 mM VS RNA	90% H2O/10% D2O	5 mM NaCl	6.0	ambient	274
2	2D NOESY	1.5 mM VS RNA	100% D2O	5 mM NaCl	6.0	ambient	298
3	3D_13C-separated_NOESY	1.5 mM VS RNA, 13C, 15N labeled	100% D2O	5 mM NaCl	6.0	ambient	298
4	DQF-COSY	1.5 mM VS RNA	100% D2O	5 mM NaCl	6.0	ambient	298

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

NMR Refinement
Method	Details	Software
simulated annealing	These structures were calculated using a total of 568 restraints; including 335 NOE-derived distance constraints, 158 dihedral angle restraints, 12 planarity restraints, and 63 H-bond distance restraints.	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	2.6	Bruker
2	processing	XwinNMR	2.6	Bruker
3	data analysis	XEASY	1.3.13	Bartels, C.
4	structure solution	CNS	1.0	Brunger, A.
5	refinement	CNS	1.0	Brunger, A.