2HST

Solution structure of the middle domain of human eukaryotic translation termination factor eRF1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-separated_NOESY	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 100% D2O	100% D2O	50 mM KCl	7.0	ambient	298
2	3D_15N-separated_NOESY	1mM M-eRF1 U-15N; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298
3	3D_15N-separated_NOESY	1mM M-eRF1 U-15N; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	278
4	2D NOESY	1mM M-eRF1; 20mM phosphate buffer K; 100% D2O	100% D2O	50 mM KCl	7.0	ambient	298
5	HNHA	1mM M-eRF1 U-15N; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298
6	DQF-COSY	1mM M-eRF1; 20mM phosphate buffer K; 100% D2O	100% D2O	50 mM KCl	7.0	ambient	298
7	HNCA	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298
8	HNCA	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	278
9	HNCOCA	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298
10	HNCOCA	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	278
11	HNCO	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298
12	HNCACB	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298
13	CACBCOHN	1mM M-eRF1 U-15N,13C; 20mM phosphate buffer K; 95% H2O, 5% D2O	95% H2O/5% D2O	50 mM KCl	7.0	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Varian	UNITYPLUS	500
3	Varian	INOVA	600
4	Varian	INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing		VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	50
Conformers Submitted Total Number	25
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1c	Varian
2	processing	NMRPipe	2.3	Delaglio
3	data analysis	Sparky	3.111	Goddard
4	data analysis	ARIA	1.6	Nilges
5	structure solution	CNS	1.1	BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,READ,RICE,SIMONSON,WARREN
6	refinement	XPLOR-NIH	2.11.2	C.D.SCHWIETERS,J.J.KUSZEWSKI,N.TJANDRA,G.MARIUS CLORE

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.