6USX

Identification of the Clinical Development Candidate MRTX849, a Covalent KRASG12C Inhibitor for the Treatment of Cancer


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4L8G4l8g.pdb

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.429329% PEG8K 0.1M NaCitrate pH 5.4 0.2M Amm Acetate
Crystal Properties
Matthews coefficientSolvent content
2.8256.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 88.57α = 90
b = 156.49β = 90
c = 62.98γ = 90
Symmetry
Space GroupC 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 2MOsmic confocal mirrors2019-01-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rrim I (All)Rpim I (All)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.273084.70.250.1359.723.6532164
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)RedundancyNumber Unique Reflections (All)
12.272.42690.250.1354.73.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4l8g.pdb2.2729.511804098087.310.1910.18730.2498Random46.102
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]
-3.266-0.4843.75
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.579
r_dihedral_angle_4_deg16.032
r_dihedral_angle_3_deg15.048
r_lrange_other8.929
r_lrange_it8.798
r_scangle_other7.624
r_scangle_it7.49
r_dihedral_angle_1_deg6.882
r_dihedral_angle_other_3_deg5.658
r_mcangle_it5.592
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.579
r_dihedral_angle_4_deg16.032
r_dihedral_angle_3_deg15.048
r_lrange_other8.929
r_lrange_it8.798
r_scangle_other7.624
r_scangle_it7.49
r_dihedral_angle_1_deg6.882
r_dihedral_angle_other_3_deg5.658
r_mcangle_it5.592
r_mcangle_other5.591
r_scbond_other5.45
r_scbond_it5.411
r_mcbond_other4.558
r_mcbond_it4.557
r_angle_refined_deg1.945
r_angle_other_deg1.34
r_nbd_other0.211
r_nbd_refined0.204
r_symmetry_nbd_other0.179
r_nbtor_refined0.175
r_symmetry_nbd_refined0.166
r_xyhbond_nbd_refined0.159
r_symmetry_xyhbond_nbd_refined0.158
r_chiral_restr0.085
r_symmetry_xyhbond_nbd_other0.082
r_metal_ion_refined0.077
r_symmetry_nbtor_other0.075
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2685
Nucleic Acid Atoms
Solvent Atoms75
Heterogen Atoms134

Software

Software
Software NamePurpose
REFMACrefinement
iMOSFLMdata reduction
SCALAdata scaling
PHASERphasing