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Identification of the Clinical Development Candidate MRTX849, a Covalent KRASG12C Inhibitor for the Treatment of Cancer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4L8G 4l8g.pdb
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.4 293 29% PEG8K 0.1M
NaCitrate pH 5.4
0.2M Amm Acetate
Crystal Properties Matthews coefficient Solvent content 2.82 56.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 88.57 α = 90 b = 156.49 β = 90 c = 62.98 γ = 90
Symmetry Space Group C 2 2 2
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 2M Osmic confocal mirrors 2019-01-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) Rrim I (All) Rpim I (All) 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 2.27 30 84.7 0.25 0.135 9.72 3.65 32164
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rrim I (All) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.27 2.42 69 0.25 0.135 4.7 3.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 4l8g.pdb 2.27 29.51 18040 980 87.31 0.191 0.1873 0.192 0.2498 0.2552 Random 46.102
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] -3.266 -0.484 3.75
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.579 r_dihedral_angle_4_deg 16.032 r_dihedral_angle_3_deg 15.048 r_lrange_other 8.929 r_lrange_it 8.798 r_scangle_other 7.624 r_scangle_it 7.49 r_dihedral_angle_1_deg 6.882 r_dihedral_angle_other_3_deg 5.658 r_mcangle_it 5.592
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.579 r_dihedral_angle_4_deg 16.032 r_dihedral_angle_3_deg 15.048 r_lrange_other 8.929 r_lrange_it 8.798 r_scangle_other 7.624 r_scangle_it 7.49 r_dihedral_angle_1_deg 6.882 r_dihedral_angle_other_3_deg 5.658 r_mcangle_it 5.592 r_mcangle_other 5.591 r_scbond_other 5.45 r_scbond_it 5.411 r_mcbond_other 4.558 r_mcbond_it 4.557 r_angle_refined_deg 1.945 r_angle_other_deg 1.34 r_nbd_other 0.211 r_nbd_refined 0.204 r_symmetry_nbd_other 0.179 r_nbtor_refined 0.175 r_symmetry_nbd_refined 0.166 r_xyhbond_nbd_refined 0.159 r_symmetry_xyhbond_nbd_refined 0.158 r_chiral_restr 0.085 r_symmetry_xyhbond_nbd_other 0.082 r_metal_ion_refined 0.077 r_symmetry_nbtor_other 0.075 r_bond_refined_d 0.011 r_gen_planes_refined 0.009 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2685 Nucleic Acid Atoms Solvent Atoms 75 Heterogen Atoms 134
Software Software Software Name Purpose REFMAC refinement iMOSFLM data reduction SCALA data scaling PHASER phasing