2FEY

The structure of stem loop IV of Tetrahymena telomerase RNA

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1 MM unlabelled samples	10 mM SODIUM PHOSHATE, PH 6.0, 100% D2O	10mM	6.0	1 atm	298
2	2D TOCSY	1 MM unlabelled samples	10 mM SODIUM PHOSHATE, PH 6.0, 100% D2O	10mM	6.0	1 atm	298
3	3D_13C-separated_NOESY	0.5 mM, 15N,13C-labelled	10 mM SODIUM PHOSHATE, PH 6.0, 100% D2O	10mM	6.0	1 atm	298
4	HCP TRIPLE RESONANCE	0.5 mM, 15N,13C-labelled	10 mM SODIUM PHOSHATE, PH 6.0, 100% D2O	10mM	6.0	1 atm	298
5	3D 13C-31P HETCOR	0.5 mM, 15N,13C-labelled	10 mM SODIUM PHOSHATE, PH 6.0, 100% D2O	10mM	6.0	1 atm	298
6	3D 13C TOCSY-HSQC	0.5 mM, 15N,13C-labelled	10 mM SODIUM PHOSHATE, PH 6.0, 100% D2O	10mM	6.0	1 atm	298
7	HNN-COSY	0.5 mM, 15N,13C-labelled	10 mM SODIUM PHOSHATE, PH 6.0, 90% H2O, 10% D2O	10mM	6.0	1 atm	298
8	IPAP-HSQC	0.5 mM, 15N,13C-labelled	10 MM SODIUM SUCCINATE, PH 6.0, 14 MG/ML PF1 BACTERIAPHAGE, 100% D2O	10mM	6.0	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DMX	750
3	Varian	INOVA	600

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS, simulated annealing		X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (fewest violations,lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR	2.9.7	Clore, G.M. & Kuszewski, J.
2	processing	NMRPipe	2.3	F. Delaglio, S. Grzesiek, G. W. Vuister, G. Zhu, J. Pfeifer and A. Bax
3	data analysis	Sparky	3.110	T. D. Goddard and D. G. Kneller
4	collection	XwinNMR	3.0	Bruker
5	refinement	X-PLOR	2.9.7	Clore, G.M. & Kuszewski, J.