5EK8

Crystal structure of a 9R-lipoxygenase from Cyanothece PCC8801 at 2.7 Angstroms


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.527740% pentaerythritol propoxylate (5/4 PO/OH), 0.14 M KCl and 50 mM HEPES
Crystal Properties
Matthews coefficientSolvent content
3.2562.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 121.166α = 90
b = 121.166β = 90
c = 234.673γ = 120
Symmetry
Space GroupP 64 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-11-10MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X120.91736, 1.03663EMBL/DESY, HAMBURGX12

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Rrim I (All)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
12.72099.70.0870.0990.09119.65.52871728631-350.82
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.899.90.6750.8241.794.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSIRASFREE R-VALUE2.719.7631.3228582144499.740.2010.19860.2462Random selection
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
f_dihedral_angle_d13.968
f_angle_d0.823
f_chiral_restr0.033
f_bond_d0.004
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5403
Nucleic Acid Atoms
Solvent Atoms51
Heterogen Atoms2

Software

Software
Software NamePurpose
PHENIXrefinement
XSCALEdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
SHELXCDphasing
autoSHARPphasing
ARPmodel building