3QAQ

Crystal structure of PI3K-gamma in complex with triazine-benzimidazole 1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.3	298	21% PEG 3350, 0.1 M Tris pH 7.3, 245 mM ammonium sulfate, 5 mM EDTA, VAPOR DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.95

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 145.395	α = 90
b = 68.579	β = 94.69
c = 106.501	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		2008-06-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.0000	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	2.9	30	99.7	0.09	20	3.7	23416	23346		-3

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)
	2.9	3	97		0.383	2.2	3.1

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1E8Y	2.9	30	21655	1688	99.65	0.2205	0.21681	0.2654	RANDOM	88.731

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]
-3.58		1.16	5.1		-1.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.239
r_dihedral_angle_3_deg	16.675
r_dihedral_angle_4_deg	15.63
r_dihedral_angle_1_deg	5.234
r_scangle_it	1.871
r_scbond_it	1.11
r_mcangle_it	1.054
r_angle_refined_deg	1.032
r_mcbond_it	0.579
r_nbtor_refined	0.301
r_nbd_refined	0.191
r_symmetry_vdw_refined	0.152
r_symmetry_hbond_refined	0.138
r_xyhbond_nbd_refined	0.127
r_chiral_restr	0.068
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6773
Nucleic Acid Atoms
Solvent Atoms	13
Heterogen Atoms	42

Software

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