6RGT

Crystal structure of the cofactor-free Aspergillus flavus urate oxidase T57A variant anaerobically complexed with 9-methyl uric acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE		293	20 MG/ML UOX T57A IN 50 MM TRIS-HCL PH 8.0 SATURATED WITH 9-METHYL URIC ACID, 8% PEG 8000 - CRYSTALS GROWN ANAEROBICALLY

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.291	α = 90
b = 95.116	β = 90
c = 104.503	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	OXFORD SAPPHIRE CCD		2017-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	OXFORD DIFFRACTION NOVA	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.6	14.02	99.8	0.104	0.117	0.051	0.996	9.3	4.9		52248

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.69	99.7		1.411	1.738	0.991	0.361	0.9	3

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	4CW0	1.6	14.02	49561	2683	99.68	0.16295	0.16152	0.18905	RANDOM	17.011

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]
1.6			-0.57		-1.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.089
r_dihedral_angle_4_deg	15.705
r_dihedral_angle_3_deg	12.634
r_long_range_B_refined	7.663
r_dihedral_angle_1_deg	7.166
r_long_range_B_other	6.49
r_scangle_other	3.272
r_mcangle_it	2.903
r_mcangle_other	2.903
r_scbond_it	2.053
r_scbond_other	2.053
r_mcbond_it	1.841
r_mcbond_other	1.815
r_angle_refined_deg	1.596
r_angle_other_deg	1.459
r_chiral_restr	0.08
r_bond_refined_d	0.011
r_gen_planes_refined	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2404
Nucleic Acid Atoms
Solvent Atoms	597
Heterogen Atoms	37

Software

Software
Software Name	Purpose
REFMAC	refinement
CrysalisPro	data reduction
Aimless	data scaling
REFMAC	phasing