4PH9

The structure of Ibuprofen bound to cyclooxygenase-2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529623-34% PAA-5100, 100mM HEPES (pH 7.5), 20mM MgCl2, 0.6% BoG
Crystal Properties
Matthews coefficientSolvent content
2.7555.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.941α = 90
b = 132.228β = 90
c = 180.462γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102012-09-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE A10.97590CHESSA1

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
11.814098.430.05613.64.7128926128926-324.49
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)
11.811.87590.80.40372.492.495835

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEPDB entry 3HS51.8135.551283166401980.1620.160.197Random selection29.97
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_d14.929
f_angle_d1.31
f_chiral_restr0.061
f_bond_d0.013
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8944
Nucleic Acid Atoms
Solvent Atoms1128
Heterogen Atoms72

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data collection
HKL-2000data reduction
PHASERphasing
PDB_EXTRACTdata extraction
Cootmodel building