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Cryo-EM structure of PI3Kalpha E545K mutation in complex with STX-478
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.629 f_angle_d 0.716 f_chiral_restr 0.043 f_plane_restr 0.008 f_bond_d 0.004
Sample Human PI3Kalpha E542K in complex with STX-478
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 4873921 Reported Resolution (Å) 3.01 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model Nominal Magnification Calibrated Magnification Source OTHER Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.5.1 MODEL REFINEMENT PHENIX 1.20.1_4487 RECONSTRUCTION cryoSPARC 4.5.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION