2P89

Solution structure of the 3' pseudouridyation pocket of U65 snoRNA with bound substrate

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	5 mM Sodium phosphate buffer, pH 6.0	90% H2O/10% D2O	5 mM	6	ambient	288
2	2D NOESY	5 mM Sodium phosphate buffer, pH 6.0	D2O	5 mM	6	ambient	288
3	13C-Filter/edited 2D NOESY	5 mM Sodium phosphate buffer, pH 6.0	D2O	5 mM	6	ambient	288
4	3D_13C-separated_NOESY	5 mM Sodium phosphate buffer, pH 6.0	D2O	5 mM	6	ambient	288
5	HSQC	5 mM Sodium phosphate buffer, pH 6.0	D2O	5 mM	6	ambient	288

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

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	the structures are based on 768 NOE-derived distance constraints, 404 dihedral angle restraints,106 distance restraints from hydrogen bonds, 32 RDC restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.1	Bruker
2	processing	XwinNMR	3.1	Bruker
3	data analysis	Sparky	3.113	T.D. Goddard and D. G. Kneller
4	refinement	X-PLOR	NIH	Brunger