4WAB

Crystal structure of mPGES1 solved by native-SAD phasing


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE6.72938 %(V/V) 2-METHYL-2,4, -PENTANEDIOL (MPD), 0.4 M POTASSIUM NITRATE, 0.1 M POTASSIUM CITRATE, 0.1 M N-(CARBAMOYLMETHYL)IMINODIACETIC ACID (ADA) SODIUM PH 6.7. CRYSTALLIZED USING THE IN MESO (LIPIDIC CUBIC PHASE, LCP) METHOD AT 4 DEGREES CELCIUS WITH THE 8.8 MONOACYLGLYCEROL (8.8 MAG) DOPED WITH 2 MOL% OF DIOLEOYL PHOSPHATIDYLCHOLINE (DOPC) AS THE HOSTING LIPID.
Crystal Properties
Matthews coefficientSolvent content
3.2161.62

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.72α = 90
b = 86.72β = 90
c = 180.36γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 2M2012-12-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA2.0664SLSX06DA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.75099.431.0758.227480
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.72.77923.721855

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-FreeMean Isotropic B
X-RAY DIFFRACTIONSADFREE R-VALUE2.70443.361.921377467899.560.18080.17770.2405
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_d13.164
f_angle_d1.102
f_chiral_restr0.039
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1278
Nucleic Acid Atoms
Solvent Atoms19
Heterogen Atoms61

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing