5XGI

Crystal structure of PI3K complex with an inhibitor

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291.15	0.15M Lithium sulfate, 0.1M Tris-HCl pH 8.5, 28%(W/V) PEG2000MME

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.348	α = 90
b = 135.825	β = 90
c = 150.245	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	CMOS	DECTRIS PILATUS3 S 6M		2014-04-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL19U1	1.0000	SSRF	BL19U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.56	50	99.8	12.71	6.5		47786

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.56	2.65	99.7		2.17	6.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.56	50	45351	2366	99.3	0.24202	0.23947	0.29043	RANDOM	76.637

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]
1.62			-4.58		2.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.969
r_dihedral_angle_3_deg	14.401
r_dihedral_angle_4_deg	11.972
r_dihedral_angle_1_deg	5.413
r_long_range_B_refined	5.406
r_long_range_B_other	5.405
r_mcangle_it	3.135
r_mcangle_other	3.135
r_scangle_other	2.556
r_mcbond_it	1.773
r_mcbond_other	1.773
r_scbond_it	1.422
r_scbond_other	1.422
r_angle_refined_deg	1.036
r_angle_other_deg	0.85
r_chiral_restr	0.057
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10647
Nucleic Acid Atoms
Solvent Atoms	102
Heterogen Atoms	69

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data processing
SCALEPACK	data scaling
PHASER	phasing