1KOS

SOLUTION NMR STRUCTURE OF AN ANALOG OF THE YEAST TRNA PHE T STEM LOOP CONTAINING RIBOTHYMIDINE AT ITS NATURALLY OCCURRING POSITION

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	NOESY	100% D2O, 94% WATER/6% D2O			6.0		298
2	DQF-COSY	100% D2O, 94% WATER/6% D2O			6.0		298
3	TOCSY	100% D2O, 94% WATER/6% D2O			6.0		298
4	HSQC	100% D2O, 94% WATER/6% D2O			6.0		298
5	HETCOR	100% D2O, 94% WATER/6% D2O			6.0		298
6	HETEROTOCSY	100% D2O, 94% WATER/6% D2O			6.0		298
7	HETEROTOCSY-NOESY	100% D2O, 94% WATER/6% D2O			6.0		298
8	DQ	100% D2O, 94% WATER/6% D2O			6.0		298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX500	500

NMR Refinement
Method	Details	Software
DISTANCE GEOMETRY AND SIMULATED ANNEALING	REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	LOWEST ENERGY STRUCTURES
Conformers Calculated Total Number	50
Conformers Submitted Total Number	8

Additional NMR Experimental Information
Details	EXPERIMENTS IN 100% D2O CONDUCTED AT 283, 288,293, AND 298 KELVIN; EXPERIMENTS IN 6% D2O/ 94% H2O CONDUCTED AT 274 AND 283 KELVIN.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.851	BRUNGER
2	structure solution	X-PLOR

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.