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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 4.6 293 23% PEG8K
0.1M NaCitrate pH 4.6
0.2M Amm Acetate
Crystal Properties Matthews coefficient Solvent content 2.34 47.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 39.769 α = 90 b = 50.9 β = 90 c = 89.649 γ = 90
Symmetry Space Group P 21 21 21
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 2017-05-24 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) 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 2.03 30 93.8 0.117 11.16 6.46 12000
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.03 2.08 92.4 0.249 0.115 6.1 6.6
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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4L8G.pdb 2.03 29.749 11476 567 93.248 0.136 0.1315 0.2257 0.2298 16.29
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] 0.322 -0.666 0.344
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.848 r_dihedral_angle_4_deg 21.138 r_dihedral_angle_3_deg 15.42 r_dihedral_angle_1_deg 6.514 r_lrange_it 5.479 r_scangle_it 5.165 r_scbond_it 4.37 r_rigid_bond_restr 3.007 r_mcangle_it 2.825 r_mcbond_it 2.254
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.848 r_dihedral_angle_4_deg 21.138 r_dihedral_angle_3_deg 15.42 r_dihedral_angle_1_deg 6.514 r_lrange_it 5.479 r_scangle_it 5.165 r_scbond_it 4.37 r_rigid_bond_restr 3.007 r_mcangle_it 2.825 r_mcbond_it 2.254 r_angle_refined_deg 1.967 r_nbtor_refined 0.318 r_nbd_refined 0.23 r_symmetry_nbd_refined 0.227 r_xyhbond_nbd_refined 0.17 r_symmetry_xyhbond_nbd_refined 0.163 r_chiral_restr 0.136 r_bond_refined_d 0.011 r_gen_planes_refined 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1354 Nucleic Acid Atoms Solvent Atoms 120 Heterogen Atoms 70
Software Software Software Name Purpose REFMAC refinement iMOSFLM data reduction SCALEPACK data scaling PHASER phasing