3CKU

Urate oxidase from aspergillus flavus complexed with its inhibitor 8-azaxanthin and chloride

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	291	0.2MG/ML 8-AZAXANTHIN, 0.3M SODIUM CHLORIDE, 0.05M TRIS/HCL, 10-15% W/V PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.87	57.08

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.994	α = 90
b = 94.979	β = 90
c = 104.381	γ = 90

Symmetry
Space Group	I 2 2 2

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	MARMOSAIC 225 mm CCD	BENT MIRROR	2007-03-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.964	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.7	10	99.63	0.0555	0.0531	22	3.5	43251	42048	2	4	20.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.7	1.79	100		0.099	0.084	13.7	3.5	6302

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	1R4S	1.7	10	4	2	43014	42048	3340	99.4	0.2	0.197	0.193	0.251	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
10		2651

RMS Deviations
Key	Refinement Restraint Deviation
s_angle_d	0.077
s_similar_adp_cmpnt	0.061
s_non_zero_chiral_vol	0.058
s_zero_chiral_vol	0.042
s_bond_d	0.033
s_from_restr_planes	0.0285
s_anti_bump_dis_restr	0.013
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2396
Nucleic Acid Atoms
Solvent Atoms	275
Heterogen Atoms	16

Software

Software
Software Name	Purpose
SHELX	model building
SHELXL-97	refinement
DNA	data collection
MOSFLM	data reduction
SCALA	data scaling
FFT	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.