4I1Z

Crystal structure of the monomeric (V948R) form of the gefitinib/erlotinib resistant EGFR kinase domain L858R+T790M

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	294	2.5-2.8M K Acetate, 0.1M ADA pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
4.63	73.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.603	α = 90
b = 107.603	β = 90
c = 104.025	γ = 120

Symmetry
Space Group	P 32 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	2011-02-12	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)	R Sym 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	2.97	53.8	99.7	0.142	0.142	14	9.8	14722	14678

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.97	3.13	99.7		0.531	0.531	4.4	10.4	2111

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	3	53.8	14231	14231	714	99.4	0.189	0.189	0.187	0.227	RANDOM	42.6

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]
1.28	12.55		1.28		-2.57

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	21.5
c_scangle_it	3.69
c_mcangle_it	2.64
c_scbond_it	2.25
c_mcbond_it	1.47
c_angle_deg	0.9
c_improper_angle_d	0.68
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2309
Nucleic Acid Atoms
Solvent Atoms	51
Heterogen Atoms

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.