5SXF

Crystal Structure of PI3Kalpha in complex with fragment 9

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	NaFormate

Crystal Properties
Matthews coefficient	Solvent content
2.97	58.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.346	α = 90
b = 115.92	β = 90
c = 147.185	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS3 S 6M		2014-10-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.0	ALS	5.0.2

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	3.45	91.07	100	0.112	7	7.3		25565

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.45	3.51	100		0.938	0.818		7.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	4OVU	3.46	91.07	24200	1314	98.8	0.1983	0.1946	0.2668	RANDOM	127.991

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]
4.56			1.13		-5.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.663
r_dihedral_angle_3_deg	19.063
r_dihedral_angle_4_deg	15.095
r_mcangle_it	12.718
r_mcbond_it	8.16
r_mcbond_other	8.147
r_dihedral_angle_1_deg	7.257
r_angle_refined_deg	1.483
r_angle_other_deg	0.971
r_chiral_restr	0.079
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9970
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	12

Software

Software
Software Name	Purpose
HKL-2000	data collection
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
REFMAC	phasing