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Potent and Selective Inhibitors of PI3K-delta: Obtaining Isoform Selectivity from the Affinity Pocket and Tryptophan Shelf
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1E8X PDB ENTRY 1E8X
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 289 PEG 3350, 0.2M NH4SO4, 0.1M Tris-HCl 8.5, vapor diffusion, hanging drop, temperature 289K
Crystal Properties Matthews coefficient Solvent content 2.25 45.28
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 140.73 α = 90 b = 67.19 β = 96.76 c = 106.02 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 CCD ADSC QUANTUM 315 2011-12-01 SINGLE
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 34.392 95.6 0.046 22.5 3.2 85
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 2.8 2.95 91 0.331 0.331 2.1 3.2
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 (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1E8X 2.803 34.392 1.34 23292 1202 95.51 0.2437 0.2432 0.2533 0.2365 120.2513
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] -11.2848 7.946 0.4702 10.8146
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.205 f_angle_d 1.463 f_chiral_restr 0.094 f_bond_d 0.009 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6818 Nucleic Acid Atoms Solvent Atoms 12 Heterogen Atoms 36
Software Software Software Name Purpose SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction XSCALE data scaling