4YTY

Structure of rat xanthine oxidoreductase, C535A/C992R/C1324S, NADH bound form

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3AN1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.2	293	PEG 8000, lithium formate, DTT, sodium salicylate, EDTA, glycerol, HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.64	53.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 98.988	α = 90
b = 137.404	β = 90
c = 222.705	γ = 90

Symmetry
Space Group	P 21 21 21

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	ADSC QUANTUM 210r		2008-12-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1	Photon Factory	AR-NW12A

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	2.2	49.5	99.7	18.2	7.4		153088

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	MOLECULAR REPLACEMENT	THROUGHOUT	3AN1	2.2	49.5	145410	7678	99.65	0.18	0.1778	0.2211	RANDOM	21.237

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]
0.01			-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.404
r_dihedral_angle_4_deg	16.898
r_dihedral_angle_3_deg	14.121
r_dihedral_angle_1_deg	6.092
r_scangle_it	2.567
r_scbond_it	1.592
r_angle_refined_deg	1.294
r_mcangle_it	1.033
r_mcbond_it	0.643
r_nbtor_refined	0.299
r_nbd_refined	0.192
r_symmetry_vdw_refined	0.153
r_symmetry_hbond_refined	0.147
r_xyhbond_nbd_refined	0.122
r_chiral_restr	0.087
r_bond_refined_d	0.01
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	20071
Nucleic Acid Atoms
Solvent Atoms	1407
Heterogen Atoms	256

Software

Software
Software Name	Purpose
HKL-2000	data collection
REFMAC	refinement
PDB_EXTRACT	data extraction
SCALEPACK	data reduction
SCALEPACK	data scaling
MOLREP	phasing