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Cryo-EM Structure of p110alpha in complex with p85alpha
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4JPS experimental model PDB 2IUG experimental model PDB 2V1Y experimental model PDB 6VO7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.6328 f_angle_d 0.6955 f_chiral_restr 0.0449 f_plane_restr 0.0046 f_bond_d 0.0029
Sample Heterodimer of PIK3CA with PIK3R1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 332105 Reported Resolution (Å) 2.79 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (4JPS, 2IUG, 2V1Y, 6VO7) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value 98.68 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 70
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification 46685 Source OTHER Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0-beta2 CTF CORRECTION Gctf 1.06 MODEL FITTING PHENIX 1.19.2-4158 MODEL REFINEMENT PHENIX 1.19.2-4158
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 332105