1K6G

Solution Structure of Conserved AGNN Tetraloops: Insights into Rnt1p RNA Processing

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1mM RNA, 10mM Na Phosphate, pH 6.4	100% D2O	10 mM Na Phosphate	6.4	ambient	293
2	2D NOESY	1mM RNA, 10mM Na Phosphate, pH 6.4	95% H20-5% D20	10 mM Na Phosphate	6.4	ambient	278
3	2D DQF-COSY	1mM RNA, 10mM Na Phosphate, pH 6.4	100% D2O	10 mM Na Phosphate	6.4	ambient	293
4	2D TOCSY	1mM RNA, 10mM Na Phosphate, pH 6.4	95% H20-5% D20	10 mM Na Phosphate	6.4	ambient	293
5	3D NOESY-HMQC	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	100% D2O	10 mM Na Phosphate	6.4	ambient	293
6	3D HCCH-TOCSY	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	100% D2O	10 mM Na Phosphate	6.4	ambient	293
7	HP COSY	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	100% D2O	10 mM Na Phosphate	6.4	ambient	293
8	HSQC	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	95% H20-5% D20	10 mM Na Phosphate	6.4	ambient	293
9	HSQC	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	95% H20-5% D20	10 mM Na Phosphate	6.4	ambient	278
10	3D HCP	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	95% H20-5% D20	10 mM Na Phosphate	6.4	ambient	293
11	HNN COSY	1mM RNA, 15N,13C, 10mM Na Phosphate, pH 6.4	95% H20-5% D20	10 mM Na Phosphate	6.4	ambient	278

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

NMR Refinement
Method	Details	Software
simulated annealing		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	25
Conformers Submitted Total Number	20
Representative Model	1 (n/a)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR
2	processing	XwinNMR
3	data analysis	AURELIA
4	structure solution	Discover
5	refinement	Discover