4I22

Structure of the monomeric (V948R)gefitinib/erlotinib resistant double mutant (L858R+T790M) EGFR kinase domain co-crystallized with gefitinib


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.529425.0% PEG 3350, 0.2 M Li Sulfate, 0.1 M Bis-Tris pH 5.50, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.5952.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.519α = 90
b = 35.486β = 112.89
c = 77.781γ = 90
Symmetry
Space GroupP 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray98PIXELPSI PILATUS 6MMirrors2011-08-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-ID1.0APS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.7142.6494.40.02819.93.2416333930226.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.711.8179.30.3422.52.74780

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.7142.643929639296198093.10.1980.1980.1970.224RANDOM31.9
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]
-1.660.813.37-1.71
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.8
c_scangle_it3.32
c_mcangle_it2.3
c_scbond_it2.14
c_mcbond_it1.43
c_angle_deg0.8
c_improper_angle_d0.62
c_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2400
Nucleic Acid Atoms
Solvent Atoms134
Heterogen Atoms41

Software

Software
Software NamePurpose
JDirectordata collection
CNXrefinement
autoPROCdata scaling
SCALAdata scaling
CNXphasing