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
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	294	25.0% PEG 3350, 0.2 M Li Sulfate, 0.1 M Bis-Tris pH 5.50, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.49

Crystal Data

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

Symmetry
Space Group	P 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	98	PIXEL	PSI PILATUS 6M	Mirrors	2011-08-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0	APS	17-ID

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	1.71	42.64	94.4	0.028	19.9	3.2	41633	39302			26.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.71	1.81	79.3		0.342	2.5	2.7	4780

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.71	42.64	39296	39296	1980	93.1	0.198	0.198	0.197	0.224	RANDOM	31.9

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]
-1.66		0.81	3.37		-1.71

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	18.8
c_scangle_it	3.32
c_mcangle_it	2.3
c_scbond_it	2.14
c_mcbond_it	1.43
c_angle_deg	0.8
c_improper_angle_d	0.62
c_bond_d	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2400
Nucleic Acid Atoms
Solvent Atoms	134
Heterogen Atoms	41

Software

Software
Software Name	Purpose
JDirector	data collection
CNX	refinement
autoPROC	data scaling
SCALA	data scaling
CNX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.