1G4I

Crystal structure of the bovine pancreatic phospholipase A2 at 0.97A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1SMALL TUBES7.6293MPD, calcium chloride, Tris buffer, pH 7.6, SMALL TUBES, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0138.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.532α = 90
b = 63.557β = 90
c = 37.624γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH1999-09-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

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
10.972099.80.06433.47.046663566635336.373
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)
10.970.9997.40.1726.893.28

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONPDB ENTRY 1UNE0.972066635666350.0940.094
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]
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.118
s_zero_chiral_vol0.111
s_anti_bump_dis_restr0.099
s_approx_iso_adps0.076
s_angle_d0.046
s_bond_d0.021
s_from_restr_planes0.0128
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms957
Nucleic Acid Atoms
Solvent Atoms247
Heterogen Atoms42

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97refinement