5SXK

Crystal Structure of PI3Kalpha in complex with fragment 18


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4OVU 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7298NaFormate
Crystal Properties
Matthews coefficientSolvent content
3.0359.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.282α = 90
b = 115.838β = 90
c = 148.999γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX-2252015-02-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-ID0.97931APS31-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.5591.4599.70.1376.46.424161
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.553.6199.60.9345

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT4OVU3.5591.4522868123899.270.19750.19320.278RANDOM140.703
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]
0.72-0.950.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.189
r_dihedral_angle_3_deg19.004
r_dihedral_angle_4_deg16.71
r_mcangle_it14.377
r_mcbond_it9.304
r_mcbond_other9.296
r_dihedral_angle_1_deg7.725
r_angle_refined_deg1.544
r_angle_other_deg1.013
r_chiral_restr0.084
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.189
r_dihedral_angle_3_deg19.004
r_dihedral_angle_4_deg16.71
r_mcangle_it14.377
r_mcbond_it9.304
r_mcbond_other9.296
r_dihedral_angle_1_deg7.725
r_angle_refined_deg1.544
r_angle_other_deg1.013
r_chiral_restr0.084
r_bond_refined_d0.011
r_gen_planes_refined0.006
r_bond_other_d0.002
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10801
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms9

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
REFMACphasing