2REA

Crystal structures of C2ALPHA-PI3 kinase PX-domain domain indicate conformational change associated with ligand binding.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	0.1M MALEIC ACID/NAOH, 10% GLYCEROL, PH 6.00, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K

Crystal Properties
Matthews coefficient	Solvent content
2.85	56.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.866	α = 90
b = 56.866	β = 90
c = 92.995	γ = 120

Symmetry
Space Group	P 31 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	105	IMAGE PLATE	RIGAKU RAXIS IV	MIRRORS OSMIC	2004-11-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	30	89.4	0.028	40	3.5	5731	5731

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)
	2.5	2.59	70.9		0.107	9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1OCS	2.5	27.19	5456	5456	250	89.35	0.23454	0.23454	0.23097	0.31808	RANDOM	40.838

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.927
r_dihedral_angle_3_deg	20.831
r_dihedral_angle_1_deg	10.018
r_dihedral_angle_4_deg	8.59
r_scangle_it	5.209
r_scbond_it	3.658
r_mcangle_it	3.358
r_angle_refined_deg	2.814
r_mcbond_it	2.026
r_nbtor_refined	0.345
r_nbd_refined	0.294
r_symmetry_hbond_refined	0.284
r_xyhbond_nbd_refined	0.225
r_chiral_restr	0.16
r_symmetry_vdw_refined	0.156
r_bond_refined_d	0.034
r_gen_planes_refined	0.012
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	945
Nucleic Acid Atoms
Solvent Atoms	19
Heterogen Atoms

Software

Software
Software Name	Purpose
EPMR	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling