8OFK

Crystal structure of the cysteine-rich Gallus gallus urate oxidase in complex with the 8-azaxanthine inhibitor under reducing conditions (space group C 2 2 21)

This is a non-PDB format compatible entry.

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	DIAMOND BEAMLINE I24
Synchrotron site	Diamond
Beamline	I24
Temperature [K]	100
Detector technology	PIXEL
Collection date	2021-07-20
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.97950
Spacegroup name	C 2 2 21
Unit cell lengths	107.195, 125.475, 238.581
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	81.502 - 1.713
Rwork	0.181
R-free	0.20080
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.008
RMSD bond angle	1.362
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER
Refinement software	REFMAC (5.8.0267)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	81.502	1.742
High resolution limit [Å]	1.713	1.713
Rmerge	0.082	1.418
Rpim	0.042	0.768
Number of reflections	169907	8369
<I/σ(I)>	8.7	0.8
Completeness [%]	98.9	98.2
Redundancy	4.4	4
CC(1/2)	0.998	0.345

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	7.8	291.15	His6-tagged GgUOX at approx. 22 mg/ml in 50 mM Tris-HCl pH 8.0, 10 mM NaCl, 1 mM TCEP-HCl was incubated with a 20-fold molar excess of AZA. Crystals were obtained by mixing the protein with 8% PGA-LM, 0.3M KBr, 0.1M Tris-HCl pH 7.8 using a 1:1 ratio