8A2B

EGFR kinase domain (L858R/V948R) in complex with 2-(6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-1-yl)-2-[6-[2-[4-[[4-(hydroxymethyl)-1-piperidyl]methyl]phenyl]ethynyl]-1-oxo-4-(trifluoromethyl)isoindolin-2-yl]-N-thiazol-2-yl-acetamide


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8A27 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP829325% PEG Smear High, 0.1M Tris, 0.2M magnesium chloride, 10% glycerole
Crystal Properties
Matthews coefficientSolvent content
2.3647.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.387α = 90
b = 75.387β = 90
c = 214.953γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2019-05-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1.0SLSX10SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
11.6965.2993.3125.118.527062
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.691.880.68

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT8A271.6965.2927062143369.210.21230.20980.2576RANDOM32.128
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]
-0.06-0.03-0.060.18
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.87
r_dihedral_angle_3_deg17.827
r_dihedral_angle_4_deg16.732
r_dihedral_angle_1_deg6.551
r_angle_refined_deg2.059
r_chiral_restr0.145
r_bond_refined_d0.012
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2196
Nucleic Acid Atoms
Solvent Atoms168
Heterogen Atoms48

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
STARANISOdata scaling
PHASERphasing