3NJ5

Crystal structure of chicken IL-1 hydrophobic cavity mutant 157

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	1.16M (NH4)2SO4, 0.1M Tris, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.98	37.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.8	α = 90
b = 38.666	β = 90
c = 103.334	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	77	CCD	ADSC QUANTUM 315		2010-05-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.0000	NSRRC	BL13B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.67	51.64	99.1			17348	17192

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.67	51.64	16465	16319	871	99.11	0.18055	0.17761	0.23723	RANDOM	21.497

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]
-0.98			1.71		-0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.796
r_dihedral_angle_4_deg	17.748
r_dihedral_angle_3_deg	13.948
r_dihedral_angle_1_deg	13.748
r_sphericity_free	7.154
r_scangle_it	5.327
r_sphericity_bonded	4.548
r_scbond_it	4.485
r_rigid_bond_restr	4.112
r_mcangle_it	2.696
r_mcbond_it	2.069
r_angle_refined_deg	1.786
r_nbtor_refined	0.311
r_nbd_refined	0.206
r_symmetry_vdw_refined	0.195
r_symmetry_hbond_refined	0.18
r_xyhbond_nbd_refined	0.167
r_chiral_restr	0.127
r_bond_refined_d	0.018
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1193
Nucleic Acid Atoms
Solvent Atoms	116
Heterogen Atoms

Software

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