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CYCLOOXYGENASE-2 (PROSTAGLANDIN SYNTHASE-2) COMPLEXED WITH A SELECTIVE INHIBITOR, SC-558 IN I222 SPACE GROUP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1PRH PROSTAGLANDIN SYNTHASE-1, PDB ENTRY 1PRH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8 20 MM SODIUM PHOSPHATE, 100 MM NACL, 0.6% BETA- OCTYLGLUCOSIDE, 10 MG/ML PROTEIN, 1MM INHIBITOR MIXED WITH A RESERVOIR SOLUTION CONTAINING 20-34% MONOMETHYL PEG 550, 10-240 MGCL2, 50 MM EPPS PH 8.0 IN THE RATIO OF 1:1
Crystal Properties Matthews coefficient Solvent content 2.54 52
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 181.17 α = 90 b = 132.81 β = 90 c = 122.74 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 113 IMAGE PLATE MARRESEARCH SUPPER MIRRORS 1996-04-02 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.8 40 96.9 0.088 0.088 11.9 4.35 35324 -0.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.81 2.91 92.7 0.326 0.326 2.16 3.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PROSTAGLANDIN SYNTHASE-1, PDB ENTRY 1PRH 2.8 8 2 31066 3110 88.5 0.22 0.22 0.309 RANDOM 20.6
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 Key Refinement Restraint Deviation x_scangle_it 2.5 x_mcangle_it 2 x_scbond_it 2 x_angle_deg 1.83 x_improper_angle_d 1.67 x_mcbond_it 1.5 x_bond_d 0.014 x_bond_d_na x_bond_d_prot x_angle_d
RMS Deviations Key Refinement Restraint Deviation x_scangle_it 2.5 x_mcangle_it 2 x_scbond_it 2 x_angle_deg 1.83 x_improper_angle_d 1.67 x_mcbond_it 1.5 x_bond_d 0.014 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8946 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 222
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling MERLOT phasing X-PLOR refinement