3NRZ

Crystal Structure of Bovine Xanthine Oxidase in Complex with Hypoxanthine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	sitting batch	7	298	PEG 8000, pH 7.0, sitting batch, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.016	α = 90
b = 73.645	β = 97.05
c = 138.696	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	MAR CCD 165 mm		2008-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9793	APS	24-ID-C

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	1.8	23.5	95.1			246393	234367		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.8	1.847	95.1

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	1.8	23.5	246393	234367	11843	95.07	0.1986	0.1967	0.2344	RANDOM	23.8705

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		-0.02	0.76		0.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.269
r_dihedral_angle_4_deg	17.472
r_dihedral_angle_3_deg	15.422
r_dihedral_angle_1_deg	5.986
r_scangle_it	3.666
r_scbond_it	2.346
r_mcangle_it	1.432
r_angle_refined_deg	1.431
r_mcbond_it	0.898
r_nbtor_refined	0.304
r_symmetry_hbond_refined	0.278
r_symmetry_vdw_refined	0.259
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.165
r_chiral_restr	0.09
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	18881
Nucleic Acid Atoms
Solvent Atoms	1274
Heterogen Atoms	198

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing