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Optimisation of Potent, Efficacious, Selective and Blood-Brain Barrier Penetrating Inhibitors Targeting EGFR Exon20 Insertion Mutations
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2GS2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 PEG 8K 20%w/v, MPD 5%v/v, PCPT 0.1M pH 7.5
Crystal Properties Matthews coefficient Solvent content 2.14 42.63
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.421 α = 90 b = 99.845 β = 114.08 c = 85.196 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 100 PIXEL DECTRIS PILATUS 6M 2020-07-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04 0.97950 Diamond I04
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) 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 3.019 77.78 86.1 0.996 6.1 3.4 8460
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.019 3.286 0.512
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 MOLECULAR REPLACEMENT THROUGHOUT 3.019 49.92 8443 408 66.9 0.2376 0.2324 0.222 0.3415 0.3163 RANDOM 83.87
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] -0.1416 0.0141 3.0607 -2.9191
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 21.41 t_omega_torsion 2.71 t_angle_deg 0.88 t_bond_d 0.007 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 21.41 t_omega_torsion 2.71 t_angle_deg 0.88 t_bond_d 0.007 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 4376 Nucleic Acid Atoms Solvent Atoms 19 Heterogen Atoms 68
Software Software Software Name Purpose autoPROC data reduction STARANISO data scaling BUSTER refinement PHASER phasing