4J6I

Discovery of thiazolobenzoxepin PI3-kinase inhibitors that spare the PI3-kinase beta isoform

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	289	PEG 3350, 0.2M NH4SO4, 0.1M Tris-HCl 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 143.671	α = 90
b = 67.161	β = 95.43
c = 106.655	γ = 90

Symmetry
Space Group	C 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	100	CCD	ADSC QUANTUM 315		2009-05-20		SINGLE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL7-1	0.97946	SSRL	BL7-1

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	2.87	50	97.5	0.055	12.5	3.6		22879			83

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	2.87	2.97	81.6		0.446		2.7	1890

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.9	19.85	1.34	22244	1115	98.26	0.2077	0.2053	0.2508	94.9072

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
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.398
f_angle_d	1.982
f_chiral_restr	0.092
f_bond_d	0.013
f_plane_restr	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6749
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	34

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-3000	data reduction

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.