1GA3

NMR STRUCTURE OF INTERLEUKIN-13

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 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA	95% H2O/5% D2O	50mM NaCl	6.1	ambient	298	Varian INOVA 500
2	3D_13C-separated_NOESY	1 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA	95% H2O/5% D2O	50mM NaCl	6.1	ambient	298	Varian INOVA 500
3	HNCACB	1 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA	95% H2O/5% D2O	50mM NaCl	6.1	ambient	298	Varian INOVA 500
4	CACBCONH	1 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA	95% H2O/5% D2O	50mM NaCl	6.1	ambient	298	Varian INOVA 500
5	4D CC-NOESY	1 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA	95% H2O/5% D2O	50mM NaCl	6.1	ambient	298	Varian INOVA 600
6	4D CN-NOESY	1 mM [U-100% 13C; U-100% 15N] IL-13, 25 mM phosphate buffer, 50 mM sodium chloride, 1 mM EDTA	95% H2O/5% D2O	50mM NaCl	6.1	ambient	298	Varian INOVA 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	INOVA	600

NMR Refinement
Method	Details	Software
torsion angle dynamics		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	Using 3D and 4D NMR.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
2	data analysis	ANSIG		Kraulis
3	structure calculation	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
4	structure calculation	ARIA		Linge, O'Donoghue and Nilges
5	refinement	ARIA		Linge, O'Donoghue and Nilges