2ILK

CRYSTAL STRUCTURE OF HUMAN INTERLEUKIN-10 AT 1.6 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.53	α = 90
b = 69.53	β = 90
c = 70.54	γ = 120

Symmetry
Space Group	P 32 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	FUJI		1995-05-04	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A		NSLS	X4A

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	1.5	30	86.4	0.069	1	10.1		27529		1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.6	10	3	21495					23.2

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	36.2
p_staggered_tor	16.3
p_scangle_it	7.812
p_scbond_it	5.298
p_mcangle_it	3.045
p_planar_tor	2.8
p_mcbond_it	2.169
p_xyhbond_nbd	0.332
p_multtor_nbd	0.263
p_chiral_restr	0.198
p_singtor_nbd	0.194
p_planar_d	0.058
p_angle_d	0.048
p_bond_d	0.016
p_plane_restr	0.016
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1264
Nucleic Acid Atoms
Solvent Atoms	303
Heterogen Atoms	15

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PROFFT	refinement