1FYJ

SOLUTION STRUCTURE OF MULTI-FUNCTIONAL PEPTIDE MOTIF-1 PRESENT IN HUMAN GLUTAMYL-PROLYL TRNA SYNTHETASE (EPRS).

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O	90% H2O/10% D2O	no salt	5.0	ambient	303
2	3D_15N-separated_NOESY	~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O	90% H2O/10% D2O	no salt	5.0	ambient	303
3	DQF-COSY	~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O	90% H2O/10% D2O	no salt	5.0	ambient	303
4	HNHA	~2mM EPRS-R1 U-15N; 90% H2O, 10% D2O	90% H2O/10% D2O	no salt	5.0	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	600

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	814 NOE-derived distance constraints, 91 dihedral angle restraints,29 hydrogen bonds restraints, and 49 J coupling constants are used.	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	6 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	1.7	Delaglio,F.
2	data analysis	PIPP	4.2.5	Garretr, D.
3	structure solution	X-PLOR	3.851	Bunger, A.T.
4	refinement	X-PLOR	3.851	Bunger, A.T.

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.