1JH3

Solution structure of tyrosyl-tRNA synthetase C-terminal domain.

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.2mM protein, U-15N	20mM potassium phosphate, 90% H2O, 10% D2O		6.8	ambient	308
2	2D NOESY	1.0mM protein	20mM potassium phosphate, 100% D2O		6.8	ambient	308
3	HMQC-J	1.2mM protein, U-15N	20mM potassium phosphate, 90% H2O, 10% D2O		6.8	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Bruker	DRX	800

NMR Refinement
Method	Details	Software
torsion angle dynamics simulated annealing	Structures were calculated using 1352 meaningful upper distance restraints, 71 dihedral angle restraints and 33 hydrogen bonds.	XEASY

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	XEASY	1.2	Bartels, Xia, Billeter, Guntert
2	structure solution	DYANA	1.5	Guntert, Mumenthaler, Herrmann
3	refinement	OPAL	2.6	Luginbuhl, Guntert, Billeter
4	collection	VNMR	6.1b