3IKE

Crystal structure of 2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase from Burkholderia pseudomallei with cytosine

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3F0E	PDB entry 3F0E

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.9	289	20% PEG 3350, 0.2 M Mg Formate, 34.4 MG/ML protein, 0.4/0.4 uL drops, Crystal tracking ID 204112a1, pH 5.9, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.659	α = 90
b = 68.064	β = 96.29
c = 60.156	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	CCD	RIGAKU SATURN 944+		2009-07-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

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	2.3	50	99.9	0.089	12.8	3.2		21121

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	2.3	2.38	100		0.41	2.8	3.2	2105

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 3F0E	2.3	28.31	21111	1084	99.7	0.187	0.185	0.234	RANDOM	26.741

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]
-1.36		0.14	1.62		-0.23

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.953
r_dihedral_angle_4_deg	18.757
r_dihedral_angle_3_deg	15.073
r_dihedral_angle_1_deg	5.78
r_scangle_it	3.438
r_scbond_it	2.161
r_mcangle_it	1.473
r_angle_refined_deg	1.442
r_mcbond_it	0.816
r_chiral_restr	0.097

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.953
r_dihedral_angle_4_deg	18.757
r_dihedral_angle_3_deg	15.073
r_dihedral_angle_1_deg	5.78
r_scangle_it	3.438
r_scbond_it	2.161
r_mcangle_it	1.473
r_angle_refined_deg	1.442
r_mcbond_it	0.816
r_chiral_restr	0.097
r_bond_refined_d	0.015
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3398
Nucleic Acid Atoms
Solvent Atoms	241
Heterogen Atoms	29

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.