2WJ3

CRYSTAL STRUCTURE OF THE COFACTOR-DEVOID 1-H-3-HYDROXY-4- OXOQUINALDINE 2,4-DIOXYGENASE (HOD) FROM ARTHROBACTER NITROGUAJACOLICUS RU61A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		HIS6-HOD AT 150 MG/ML IN STORAGE BUFFER IN THE PRESENCE OF A RESERVOIR COMPOSED OF 1.65 M SODIUM/POTASSIUM TARTRATE, 0.1 M HEPES PH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.21

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.17	α = 90
b = 167.86	β = 90
c = 168.03	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 CCD	MIRRORS	2009-01-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04		Diamond	I04

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	2.09	53.15	99.6	0.07	11.8	4.4		75553			41.2

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	2.09	2.21	100		0.47	5.3	4.4

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	HOD H251A MUTANT SOLVED BY SAD IN SPACE GROUP P 43 21 2 AND NOT FULLY REFINED	2.09	53.16	71190	3878	97.5	0.198	0.196	0.232	TWIN LAW TAKEN INTO ACCOUNT	32.15

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]
1.99			-5.7		3.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.133
r_dihedral_angle_4_deg	19.457
r_dihedral_angle_3_deg	15.687
r_dihedral_angle_1_deg	6.464
r_scangle_it	2.898
r_scbond_it	1.872
r_angle_refined_deg	1.528
r_mcangle_it	1.107
r_angle_other_deg	1.02
r_mcbond_it	0.624
r_mcbond_other	0.208
r_chiral_restr	0.092
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_gen_planes_other	0.003
r_bond_other_d	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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8921
Nucleic Acid Atoms
Solvent Atoms	279
Heterogen Atoms	92

Software

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