Experiment: 3EA2

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

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	290	9% PEG 8000, 0.2M Zinc Acetate, 0.1M Sodium Cacodylate, pH 6.5, vapor diffusion, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.11

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.518	α = 90
b = 97.226	β = 90
c = 112.727	γ = 90

Symmetry
Space Group	P 21 21 21

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			2005-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	1.1000	NSLS	X8C

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	1.95	50	93.9	0.087	14.5	6.9		45672

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)
	1.95	2	100		0.348		6.9	3230

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.95	50	44143	3579	91.1	0.189	0.1899	0.226	0.2268	21.651

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]
1.327			-5.606		4.28

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	2.843
c_scbond_it	1.991
c_mcangle_it	1.808
c_mcbond_it	1.254

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4816
Nucleic Acid Atoms
Solvent Atoms	628
Heterogen Atoms	30

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
CNS	refinement
PDB_EXTRACT	data extraction