8CX5

Crystal Structure of small molecule alpha,beta-ketoamide 4 covalently bound to K-Ras(G12R)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52980.1 M MES 6.5 30% w/v PEG 4K
Crystal Properties
Matthews coefficientSolvent content
2.0439.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 41.21α = 90
b = 65.661β = 101.85
c = 61.13γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2021-10-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.11.0000ALS8.2.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)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
11.7265.6696.30.1560.0710.97410.75.93255920.59
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.721.7592.81.8790.9920.4171.74.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE6UT01.7259.831.3832311163995.310.19010.18850.221124
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d19.1466
f_angle_d1.5074
f_chiral_restr0.076
f_bond_d0.0111
f_plane_restr0.0106
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2752
Nucleic Acid Atoms
Solvent Atoms207
Heterogen Atoms119

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
MOSFLMdata reduction
Aimlessdata scaling
PHASERphasing