Experiment: 4OP6

Urate OXIDASE + 8-AZAXANTHINE UNDER 40 BARS OXYGEN

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2IBA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH	8.5	291	10-15MG/ML URATE OXIDASE, 8-AZAXANTHINE IN EXCESS, 50MM TRIS ACETATE, 5-8% PEG8000, pH 8.5, BATCH, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.921	α = 90
b = 96.17	β = 90
c = 105.399	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	291	CCD	MAR CCD 165 mm	mirrors	2012-06-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.945	ESRF	BM14

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	1.65	70	100	0.044	33.6	5		49104	2	2	19.4

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	1.65	1.68	100		0.373	3.4	5	2417

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	RIGID BODY	THROUGHOUT	2IBA	1.65	20	46619	2485	99.95	0.16576	0.16455	0.1644	0.18855	0.1884	RANDOM	22.618

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]
1.65			-0.61		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.765
r_dihedral_angle_3_deg	13.472
r_dihedral_angle_4_deg	10.353
r_dihedral_angle_1_deg	6.074
r_angle_refined_deg	1.361
r_chiral_restr	0.092
r_bond_refined_d	0.009
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2362
Nucleic Acid Atoms
Solvent Atoms	224
Heterogen Atoms	14

Software

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