3EA1

Crystal Structure of the Y247S/Y251S Mutant of Phosphatidylinositol-Specific Phospholipase C from Bacillus Thuringiensis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION6.52909% PEG 8000, 0.2M Zinc Acetate, 0.1M Sodium Cacodylate, pH 6.5, vapor diffusion, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.3748.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.643α = 90
b = 97.064β = 90
c = 112.799γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCD2005-11-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X8C1.1000NSLSX8C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.755093.70.06918.45.962818
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.751.7997.50.3493.14270

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.755059709485789.50.1970.2320.465
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]
0.822-4.6713.849
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it2.919
c_scbond_it2.015
c_mcangle_it1.764
c_mcbond_it1.191
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4816
Nucleic Acid Atoms
Solvent Atoms622
Heterogen Atoms6

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
EPMRphasing
CNSrefinement
PDB_EXTRACTdata extraction