3F0D

High resolution crystal structure of 2C-methyl-D-erythritol 2,4-cyclodiphosphatase synthase from Burkholderia pseudomallei

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	289	PACT screen condition c8, 0.1 M Tris HCL, 20% PEG 4000, 0.2 M NaCl, 34.4. mg/mL protein, 0.4 uL/0.4 uL drops, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 157.887	α = 90
b = 69.042	β = 130.15
c = 116.581	γ = 90

Symmetry
Space Group	C 1 2 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				2008-08-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97934	APS	23-ID-D

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	1.2	50	93.3	0.081	15.8	4		271861

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	1.2	1.29			0.52	2.2	3.3	24496

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.2	50	271861	13745	91.16	0.186	0.185	0.209	RANDOM	20.638

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]
-1.75		-0.97	1.94		-1.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.309
r_dihedral_angle_3_deg	14.946
r_dihedral_angle_4_deg	13.608
r_sphericity_free	10.168
r_sphericity_bonded	6.366
r_dihedral_angle_1_deg	5.739
r_scangle_it	4.946
r_scbond_it	3.459
r_mcangle_it	2.628
r_mcbond_it	1.776
r_rigid_bond_restr	1.692
r_angle_refined_deg	1.663
r_angle_other_deg	1.019
r_mcbond_other	0.991
r_chiral_restr	0.11
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6705
Nucleic Acid Atoms
Solvent Atoms	504
Heterogen Atoms	6

Software

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