3EIZ | pdb_00003eiz

Crystal structure of inorganic pyrophosphatase from burkholderia pseudomallei, H32 crystal form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.4	289	100 MM IMIDAZOLE, PH 5.4, 20% PEG 3500, 100 MM SODIUM THIOCYANATE, , pH 5.40, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.761	α = 90
b = 67.761	β = 90
c = 193.609	γ = 120

Symmetry
Space Group	H 3 2

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			2008-08-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	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	1.88	50	96	0.055	18.8	5.8		13774

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	1.88	1.95	82		0.353		3.4

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.88	50	13773	694		0.202	0.199	0.1982	0.258	0.2551	RANDOM	25.55

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]
-0.08	-0.04		-0.08		0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.558
r_dihedral_angle_4_deg	14.307
r_dihedral_angle_3_deg	13.991
r_dihedral_angle_1_deg	6.176
r_scangle_it	3.478
r_scbond_it	2.171
r_mcangle_it	1.546
r_angle_refined_deg	1.428
r_mcbond_it	0.883
r_chiral_restr	0.099
r_bond_refined_d	0.013
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1390
Nucleic Acid Atoms
Solvent Atoms	92
Heterogen Atoms

Software

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