2V4L

complex of human phosphoinositide 3-kinase catalytic subunit gamma (p110 gamma) with PIK-284

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CHX	PDB ENTRY 2CHX

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		RESERVOIR: 16-17% PEG 4000, 250 MM (NH4)2SO4 AND 100MM TRIS PH 7.5 PROTEIN: 4 MG/ML IN A BUFFER CONTAINING 0.5 MM (NH4)2SO4, 20 MM TRIS PH 7.2, 1% ETHYLENE GLYCOL, 0.02% CHAPS AND 5 MM DTT DROPS WERE 1MICROLITER PROTEIN PLUS 1 MICROLITER RESERVOIR

Crystal Properties
Matthews coefficient	Solvent content
2.49	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 144.353	α = 90
b = 68.44	β = 95.33
c = 106.619	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 CCD	TORROIDAL MIRROR	2005-01-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	2.5	54.4	99.7	0.05	10	3.7		33672		-3.7

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	2.5	2.64	97.4		0.32	1.7	3.8

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 2CHX	2.5	54.39	33672	1440	97.2	0.25	0.248	0.296	RANDOM	21.03

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]
-1.33		1.06	2.93		-1.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	7.157
r_scangle_it	2.349
r_angle_refined_deg	1.457
r_scbond_it	1.447
r_mcangle_it	0.934
r_angle_other_deg	0.867
r_mcbond_it	0.512
r_symmetry_hbond_refined	0.489
r_symmetry_vdw_refined	0.426
r_symmetry_vdw_other	0.303
r_nbd_other	0.226
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.198
r_nbtor_other	0.088
r_chiral_restr	0.083
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6850
Nucleic Acid Atoms
Solvent Atoms	50
Heterogen Atoms	20

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing