7MYN

Cryo-EM Structure of p110alpha in complex with p85alpha


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4JPS 
experimental modelPDB 2IUG 
experimental modelPDB 2V1Y 
experimental modelPDB 6VO7 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.6328
f_angle_d0.6955
f_chiral_restr0.0449
f_plane_restr0.0046
f_bond_d0.0029
Sample
Heterodimer of PIK3CA with PIK3R1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles332105
Reported Resolution (Å)2.79
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (4JPS, 2IUG, 2V1Y, 6VO7)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCorrelation coefficient
Overall B Value98.68
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)70
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification46685
SourceOTHER
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0-beta2
CTF CORRECTIONGctf1.06
MODEL FITTINGPHENIX1.19.2-4158
MODEL REFINEMENTPHENIX1.19.2-4158
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION332105