2WRY

Crystal structure of chicken cytokine interleukin 1 beta

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	9ILB	PDB ENTRY 9ILB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		10		PH 10

Crystal Properties
Matthews coefficient	Solvent content
1.93	35.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.739	α = 90
b = 38.476	β = 90
c = 102.111	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	293	CCD	MARRESEARCH		2008-09-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1		NSRRC	BL13B1

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	1.58	30	99.7	0.05	31.54	6.7		20047		1.5

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	1.58	1.64	98.9		0.56	3.56	6.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 9ILB	1.58	30	18959	1015	99.6	0.189	0.187	0.225	RANDOM	20.66

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]
0.05			0.21		-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.272
r_dihedral_angle_4_deg	18.467
r_dihedral_angle_3_deg	14.077
r_dihedral_angle_1_deg	7.583
r_sphericity_free	7.568
r_sphericity_bonded	5.686
r_scangle_it	4.988
r_scbond_it	3.513
r_mcangle_it	2.772
r_rigid_bond_restr	2.583
r_mcbond_it	1.914
r_angle_refined_deg	1.536
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.229
r_nbd_refined	0.219
r_xyhbond_nbd_refined	0.127
r_chiral_restr	0.105
r_symmetry_hbond_refined	0.105
r_bond_refined_d	0.013
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1207
Nucleic Acid Atoms
Solvent Atoms	72
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CCP4I	phasing