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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 2.27 45.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 141.331 α = 90 b = 67.194 β = 96.1 c = 106.558 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 210 2011-10-26 SINGLE
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.1 1.0 ALS 5.0.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.935 50 99.5 0.086 10.1 3.6 20407 80
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.935 3.11 99.8 0.475 3.7
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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1E8X 2.94 31.14 1.35 20402 1044 94.9 0.245 0.244 0.2406 0.271 0.2705 102.31
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] 4.827 0.6987 4.0965 4.6886
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.637 f_angle_d 1.531 f_chiral_restr 0.068 f_bond_d 0.008 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6735 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms 34
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction