4BVQ

Cyanuric acid hydrolase: evolutionary innovation by structural concatenation.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.7		THE PROTEIN WAS CONCENTRATED TO 10MG/ML AND WAS SET UP IN A 50:50 DROP WITH THE RESERVOIR BEING 38% V/V PEG MME 350 AND 100 MM HEPES PH 7.7

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.659	α = 90
b = 130.659	β = 90
c = 236.947	γ = 120

Symmetry
Space Group	H 3 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	ADSC QUANTUM 315	MIRRORS	2012-10-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2		Australian Synchrotron	MX2

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	1.89	43.7	99.7	0.24	18.9	36.7		61796		1

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	1.89	2	98		1.49	4.1	18.6

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	SIRAS	THROUGHOUT	NONE	1.9	43.75	58623	3122	99.77	0.17077	0.16979	0.18929	RANDOM	32.943

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]
-0.34	-0.34		-0.34		1.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.408
r_dihedral_angle_4_deg	16.791
r_dihedral_angle_3_deg	12.887
r_dihedral_angle_1_deg	5.24
r_mcangle_it	2.584
r_scbond_it	1.928
r_mcbond_it	1.622
r_mcbond_other	1.62
r_angle_refined_deg	1.098
r_angle_other_deg	0.825
r_chiral_restr	0.056
r_bond_refined_d	0.005
r_bond_other_d	0.005
r_gen_planes_refined	0.003
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_mcangle_other
r_scbond_other
r_scangle_it
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	5357
Nucleic Acid Atoms
Solvent Atoms	285
Heterogen Atoms	40

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
Auto-Rickshaw	phasing