2NLW

Solution structure of the RRM domain of human eukaryotic initiation factor 3b

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.8mM eIF3b-RRM unlabeled, 20mM HEPES, 90% H2O, 10% D2O	90% H2O/10% D2O	300mM	7.5	ambient	298
2	3D_15N-separated_NOESY	0.8mM eIF3b-RRM U-15N, 20mM HEPES, 90% H2O, 10% D2O	90% H2O/10% D2O	300mM	7.5	ambient	298
3	3D_13C-separated_NOESY	0.8mM eIF3b-RRM U-15N,13C, 20mM HEPES, 90% H2O, 10% D2O	90% H2O/10% D2O	300mM	7.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	500
2	Bruker	DMX	600
3	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
torsion angle dynamics, refinement by restrained molecular dynamics in a hydrated environment		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	16
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	Bruker
2	processing	XwinNMR	3.5	Bruker
3	data analysis	Sparky	3.98	Goddard/Kneller
4	structure solution	CYANA	2.1	Guntert, P
5	refinement	CNS	1.1	Brunger