3OQP

Crystal structure of a putative isochorismatase (Bxe_A0706) from BURKHOLDERIA XENOVORANS LB400 at 1.22 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.9	293	20.0% polyethylene glycol 3000, 0.15M sodium chloride, 0.1M HEPES pH 7.9, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.369	α = 90
b = 103.135	β = 98.94
c = 45.062	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2010-02-10	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837,0.97937,0.97898	SSRL	BL11-1

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	1.22	29.574	95.1	0.04	9.46			99282		-3	10.39

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	1.22	1.26	92.1		0.444	1.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.22	29.574	99237	4954	99.42	0.1413	0.14	0.1664	RANDOM	15.4416

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]
1.24		1.7	-2.11		1.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.854
r_dihedral_angle_4_deg	18.909
r_dihedral_angle_3_deg	11.644
r_sphericity_free	9.713
r_sphericity_bonded	6.295
r_dihedral_angle_1_deg	6.23
r_scangle_it	4.581
r_scbond_it	3.322
r_mcangle_it	2.478
r_mcbond_it	1.827
r_angle_refined_deg	1.776
r_rigid_bond_restr	1.689
r_mcbond_other	1.241
r_angle_other_deg	1.028
r_chiral_restr	0.111
r_bond_refined_d	0.018
r_gen_planes_refined	0.01
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3119
Nucleic Acid Atoms
Solvent Atoms	481
Heterogen Atoms	15

Software

Software
Software Name	Purpose
SHELX	phasing
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing