3QHD | pdb_00003qhd

Crystal structure of 2-C-METHYL-D-ERYTHRITOL 2,4-CYCLODIPHOSPHATE Synthase from BURKHOLDERIA PSEUDOMALLEI bound to CYTIDINE, FOL795 and FOL955

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	289	BupsA.00122.a.A1 W29971. 27 MG/ML PROTEIN IN 20% PEG 4000, 100 MM TRIS, 200 MM NACL, 5 MM ZNCL2. CRYSTALS SOAKED IN 25 MM LIGANDS IN SAME BUFFER FOR 3 WEEKS, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.05	39.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 117.82	α = 90
b = 67.95	β = 96.3
c = 60.22	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+		2010-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.54178

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	1.7	20	97.7	0.023	30.36			50822		-3	25.006

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	1.7	1.74	80.5		0.125	5.59

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 3MBM	1.7	19.95	50777	2590	97.7	0.1584	0.1569	0.1913	0.1864	0.2193	RANDOM	22.0549

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]
					0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.802
r_dihedral_angle_4_deg	15.904
r_dihedral_angle_3_deg	12.438
r_dihedral_angle_1_deg	5.242
r_scangle_it	2.659
r_scbond_it	1.69
r_angle_refined_deg	1.398
r_mcangle_it	1.005
r_mcbond_it	0.592
r_chiral_restr	0.089
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3457
Nucleic Acid Atoms
Solvent Atoms	383
Heterogen Atoms	81

Software

Software
Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction