4BVR

Cyanuric acid hydrolase: evolutionary innovation by structural concatenation.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.6		THE PROTEIN WAS AT 1 MG/ML AFTER DIALYSIS WITH HEPES BUFFER AND CYANURIC ACID, THIS WAS ADDED IN A 3:1 RATIO TO THE RESERVIOR SOLUTION OF 38% V/V PEG 400 AND 100 MM HEPES PH 6.6

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 129.075	α = 90
b = 129.075	β = 90
c = 229.66	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	2012-11-16	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	2.58	42.5	100	0.14	12.5	11.1		23460		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	2.58	2.72	100		0.8	3.1	11.3

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3ZGR	2.58	41.59	22272	1188	99.86	0.17869	0.17628	0.22442	RANDOM	50.042

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]
0.12	0.12		0.12		-0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.867
r_dihedral_angle_4_deg	17.007
r_dihedral_angle_3_deg	14.332
r_dihedral_angle_1_deg	5.492
r_mcangle_it	5.24
r_scbond_it	4.024
r_mcbond_it	3.526
r_mcbond_other	3.524
r_angle_refined_deg	1.141
r_angle_other_deg	0.812
r_chiral_restr	0.061
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_gen_planes_other	0.003
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	5362
Nucleic Acid Atoms
Solvent Atoms	29
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing