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Molecular structure of mouse apoferritin resolved at 2.7 Angstroms with the Glacios cryo-microscope
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3WNW
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.284 f_angle_d 1.524 f_chiral_restr 0.064 f_bond_d 0.015 f_plane_restr 0.006
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 95733 Reported Resolution (Å) 2.73 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry O
Map-Model Fitting and Refinement Id 1 (3WNW) Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 28
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 800 Maximum Defocus (nm) 1600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details microscope model is Thermofisher Glacios 200 kV
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0.5 IMAGE ACQUISITION EPU 2.1 CTF CORRECTION Gctf 1.0.6 MODEL FITTING UCSF Chimera 1.13.1 MODEL REFINEMENT PHENIX 1.9 INITIAL EULER ASSIGNMENT RELION 3.0.5 FINAL EULER ASSIGNMENT RELION 3.0.5 CLASSIFICATION RELION 3.0.5 RECONSTRUCTION RELION 3.0.5
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 211177