3IKF | pdb_00003ikf

Crystal structure of 2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase from Burkholderia pseudomallei with FOL fragment 717, imidazo[2,,1-b][1,3]thiazol-6-ylmethanol

X-RAY DIFFRACTION

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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, 20 mM FOL 717, 10 mM ZnCl2, pH 5.9, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.38

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.01	α = 90
b = 67.65	β = 96.27
c = 60.09	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+		2009-07-31	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	2.07	20	94.4	0.033	30.29			26980		-3	28.092

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	2.07	2.12	82.8		0.141	8.7		1735

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3F0E	2.07	19.49	26979	1374	94.58	0.178	0.175	0.1754	0.221	0.221	RANDOM	23.615

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]
-0.11		-0.01	0.15		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.396
r_dihedral_angle_4_deg	18.422
r_dihedral_angle_3_deg	14.069
r_dihedral_angle_1_deg	5.148
r_scangle_it	2.983
r_scbond_it	1.867
r_angle_refined_deg	1.656
r_mcangle_it	1.35
r_mcbond_it	0.75
r_chiral_restr	0.084
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3410
Nucleic Acid Atoms
Solvent Atoms	310
Heterogen Atoms	39

Software

Software
Software Name	Purpose
XSCALE	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction