2CHW

A pharmacological map of the PI3-K family defines a role for p110 alpha in signaling: The structure of complex of phosphoinositide 3- kinase gamma with inhibitor PIK-39

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1E8Z	PDB ENTRY 1E8Z

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5		VAPOUR DIFFUSION 1 MICROLITER PROTEIN PLUS 1 MICROLITER RESERVOIR RESERVOIR: 17% PEG 4000, 250 MM AMMONIUM SULFATE AND 100 MM TRIS PH 7.5 PROTEIN: 4 MG/ML IN 0.5 MM AMMONIUM SULFATE, 20 MM TRIS PH 7.2, 1% ETHYLENE GLYCOL, 0.02% CHAPS AND 5 MM DTT

Crystal Properties
Matthews coefficient	Solvent content
2.4	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 143.804	α = 90
b = 67.523	β = 95.45
c = 106.311	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	2.6	62.14	99.9	0.06	17.72	3.68		31445		-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	2.6	2.74	100		0.45	2.15	3.7

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 1E8Z	2.6	62.14	30150	1295	99.8	0.24	0.237	0.299	RANDOM	62.69

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]
-1.28		-0.52	1.87		-0.68

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.485
r_dihedral_angle_3_deg	20.775
r_dihedral_angle_4_deg	17.625
r_dihedral_angle_1_deg	6.724
r_scangle_it	2.015
r_angle_refined_deg	1.419
r_scbond_it	1.286
r_mcangle_it	0.984
r_mcbond_it	0.562
r_nbtor_refined	0.311
r_nbd_refined	0.242
r_symmetry_vdw_refined	0.212
r_symmetry_hbond_refined	0.188
r_xyhbond_nbd_refined	0.172
r_chiral_restr	0.096
r_bond_refined_d	0.015
r_gen_planes_refined	0.005
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_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	6807
Nucleic Acid Atoms
Solvent Atoms	8
Heterogen Atoms	31

Software

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