8CGF

Interleukin-4 (wild type) pH 2.4

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-13C HSQC	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
2	2D 1H-15N HSQC	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
3	3D 1H-13C NOESY	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
4	3D 1H-15N NOESY	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
5	3D 1H-15N TOCSY	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
6	3D HCCH-COSY	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
7	3D HOHAHA-HSQC	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 750
8	2D HSQC IPAP	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 600
9	2D HSQC IPAP	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 600
10	2D HSQC IPAP	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 500
11	2D HSQC IPAP	1.5 mM [U-13C; U-15N] Interleukin-4	95% H2O/5% D2O	20 mM NaPi mM	2.4	1 atm	298	Oxford Oxford 500

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Oxford	Oxford	500
2	Oxford	Oxford	600
3	Oxford	Oxford	750

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	2
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH	3.6	Schwieters, Kuszewski, Tjandra and Clore
2	structure calculation	X-PLOR NIH	3.6	Schwieters, Kuszewski, Tjandra and Clore
3	chemical shift assignment	Felix		Accelrys Software Inc.
4	peak picking	Felix		Accelrys Software Inc.