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Exploitation of a Novel Binding Pocket in Human Lipoprotein-Associated Phospholipase A2 (Lp-PLA<sub>2</sub>) Discovered Through X-Ray Fragment Screening
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.4 297 28.0%w/v PEG 3350, 0.1M HEPES/NaOHpH=7.4, 1.3M NaCl
Crystal Properties Matthews coefficient Solvent content 2.43 49.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.649 α = 90 b = 90.931 β = 111.91 c = 51.199 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 93 CCD RIGAKU SATURN 944+ 2011-01-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E+ SUPERBRIGHT 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.06 30.79 97.5 15.5 2.7 25585 23.02
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2.06 30.79 25585 1298 97.5 0.159 0.156 0.1582 0.213 0.2173 RANDOM 27.504
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] 1.3695 -1.0646 1.3853 -2.7548
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.89 t_omega_torsion 6.69 t_angle_deg 1 t_bond_d 0.012 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.89 t_omega_torsion 6.69 t_angle_deg 1 t_bond_d 0.012 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2978 Nucleic Acid Atoms Solvent Atoms 545 Heterogen Atoms 21
Software Software Software Name Purpose BUSTER refinement d*TREK data reduction SCALA data scaling