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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 7.4 293 28.0%w/v PEG 3350, 0.1M HEPES/NaOHpH=7.4, 1.3M NaCl
Crystal Properties Matthews coefficient Solvent content 2.43 49.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.496 α = 90 b = 90.69 β = 111.67 c = 51.253 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+ 2011-07-19 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 45.35 98.2 10.4 2.6 25736 25.93
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 45.35 25736 1305 98.2 0.159 0.155 0.1582 0.222 0.2244 RANDOM 30.58
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] 3.4323 -0.1052 -6.1231 2.6908
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.85 t_omega_torsion 6.81 t_angle_deg 1.04 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 17.85 t_omega_torsion 6.81 t_angle_deg 1.04 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 2972 Nucleic Acid Atoms Solvent Atoms 551 Heterogen Atoms 26
Software Software Software Name Purpose BUSTER refinement d*TREK data reduction SCALA data scaling