1N6V

Average structure of the interferon-binding ectodomain of the human type I interferon receptor

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	0.4mM U-15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3	95% H2O/5% D2O	20mM Tris buffer	8	ambient	308
2	HNHA	0.4mM U-15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3	95% H2O/5% D2O	20mM Tris buffer	8	ambient	308
3	HNCA	0.35mM U-13C,15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3	95% H2O/5% D2O	20mM Tris buffer	8	ambient	308
4	HNCACB	0.35mM U-13C,15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3	95% H2O/5% D2O	20mM Tris buffer	8	ambient	308
5	CBCACONH	0.35mM U-13C,15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3	95% H2O/5% D2O	20mM Tris buffer	8	ambient	308
6	3D_13C-separated_NOESY	0.3mM U-13C,15N IFNAR2-EC; 20mM d-Tris pH 8, 0.02% NaN3	99% D2O	20mM Tris buffer	8	ambient	305

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

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing	Structure based upon 1947 NOE-derived distance restraints (1066 of which long range), 172 dihedral angle restraints (of which 88 experimental and 84 TALOS-derived), 138 hydrogen-bond restraints and 109 residual dipolar coupling restraints	XwinNMR

NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number	1
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	All experiments conducted in Shigemi tubes equipped with insert

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	3.0	Neidig
2	structure solution	CNS	1.1	Brunger
3	data analysis	NMRPipe	2.1	Delaglio
4	refinement	CNS	1.1	Brunger