3BPL

Crystal structure of the IL4-IL4R-Common Gamma ternary complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	295	10% PEG8K, 8% ethylene glycol, 0.1M HEPES pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.21	61.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.578	α = 90
b = 86.652	β = 90
c = 175.671	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 315		2006-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	1.0	SSRL	BL11-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.93	50	99.5	0.124	11.3	4.8		17699	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.93	3.06	98.7		0.617	2.1	4.5	1724

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.93	40	16770	888	98.6	0.226	0.22228	0.29711	RANDOM	38.186

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-1			-0.86		1.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.334
r_dihedral_angle_4_deg	17.306
r_dihedral_angle_3_deg	14.228
r_scangle_it	3.287
r_dihedral_angle_1_deg	2.9
r_mcangle_it	2.28
r_scbond_it	2.145
r_mcbond_it	1.518
r_angle_refined_deg	1.328
r_nbtor_refined	0.326
r_symmetry_vdw_refined	0.319
r_nbd_refined	0.261
r_symmetry_hbond_refined	0.246
r_xyhbond_nbd_refined	0.175
r_chiral_restr	0.082
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4289
Nucleic Acid Atoms
Solvent Atoms	137
Heterogen Atoms	108

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing